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Sample records for astrobiologist scouting red

  1. The Cyborg Astrobiologist: scouting red beds for uncommon features with geological significance

    NASA Astrophysics Data System (ADS)

    McGuire, Patrick Charles; Díaz-Martínez, Enrique; Ormö, Jens; Gómez-Elvira, Javier; Rodríguez-Manfredi, José Antonio; Sebastián-Martínez, Eduardo; Ritter, Helge; Haschke, Robert; Oesker, Markus; Ontrup, Jörg

    2005-04-01

    The `Cyborg Astrobiologist' has undergone a second geological field trial, at a site in northern Guadalajara, Spain, near Riba de Santiuste. The site at Riba de Santiuste is dominated by layered deposits of red sandstones. The Cyborg Astrobiologist is a wearable computer and video camera system that has demonstrated a capability to find uncommon interest points in geological imagery in real time in the field. In this second field trial, the computer vision system of the Cyborg Astrobiologist was tested at seven different tripod positions, on three different geological structures. The first geological structure was an outcrop of nearly homogeneous sandstone, which exhibits oxidized-iron impurities in red areas and an absence of these iron impurities in white areas. The white areas in these `red beds' have turned white because the iron has been removed. The iron removal from the sandstone can proceed once the iron has been chemically reduced, perhaps by a biological agent. In one instance the computer vision system found several (iron-free) white spots to be uncommon and therefore interesting, as well as several small and dark nodules. The second geological structure was another outcrop some 600 m to the east, with white, textured mineral deposits on the surface of the sandstone, at the bottom of the outcrop. The computer vision system found these white, textured mineral deposits to be interesting. We acquired samples of the mineral deposits for geochemical analysis in the laboratory. This laboratory analysis of the crust identifies a double layer, consisting of an internal millimetre-size layering of calcite and an external centimetre-size efflorescence of gypsum. The third geological structure was a 50 cm thick palaeosol layer, with fossilized root structures of some plants. The computer vision system also found certain areas of these root structures to be interesting. A quasi-blind comparison of the Cyborg Astrobiologist's interest points for these images with the

  2. The Cyborg Astrobiologist: first field experience

    NASA Astrophysics Data System (ADS)

    McGuire, Patrick Charles; Ormö, Jens; Díaz Martínez, Enrique; Rodríguez Manfredi, José Antonio; Gómez Elvira, Javier; Ritter, Helge; Oesker, Markus; Ontrup, Jörg

    2004-07-01

    We present results from the first geological field tests of the "Cyborg Astrobiologist", which is a wearable computer and video camcorder system that we are using to test and train a computer-vision system towards having some of the autonomous decision-making capabilities of a field-geologist and field-astrobiologist. The Cyborg Astrobiologist platform has thus far been used for testing and development of the following algorithms and systems: robotic acquisition of quasi-mosaics of images; real-time image segmentation; and real-time determination of interesting points in the image mosaics. The hardware and software systems function reliably, and the computer-vision algorithms are adequate for the first field tests. In addition to the proof-of-concept aspect of these field tests, the main result of these field tests is the enumeration of those issues that we can improve in the future, including: detection and accounting for shadows caused by three-dimensional jagged edges in the outcrop; reincorporation of more sophisticated texture-analysis algorithms into the system; creation of hardware and software capabilities to control the camera's zoom lens in an intelligent manner; and, finally, development of algorithms for interpretation of complex geological scenery. Nonetheless, despite these technical inadequacies, this Cyborg Astrobiologist system, consisting of a camera-equipped wearable-computer and its computer-vision algorithms, has demonstrated its ability in finding genuinely interesting points in real-time in the geological scenery, and then gathering more information about these interest points in an automated manner.

  3. Scout Platoon

    DTIC Science & Technology

    1999-04-01

    order, is not rigid , and the steps are not necessarily sequential. The tasks involved in some steps (such as initiate movement, issue the warning...from a very rigid extreme with obvious front and rear boundaries and closely tied adjacent units to a dispersed and decentralized structure with few...themselves to a less rigid framework that challenges the scout’s ability to maintain an accurate picture of the battlefield. To have a clear picture of

  4. Scouting for Handicapped Students.

    ERIC Educational Resources Information Center

    Frith, Greg H.; Stork, Julia

    1982-01-01

    Establishing a scouting program for handicapped students involves determining student interest, securing leadership, determining the extent of integration, and selecting and relating activities to the school curriculum. (CL)

  5. National Boy Scout Jamboree

    NASA Technical Reports Server (NTRS)

    1989-01-01

    This video looks at a NASA sponsored exhibit at the National Boy Scout Jamboree in Fredricksburg, VA. Boy Scouts are shown interacting with NASA researchers and astronauts and touring mockups of Space Station Freedom and Apollo 11. NASA's program to encourage the researchers of tomorrow is detailed.

  6. Scouting for the Physically Handicapped.

    ERIC Educational Resources Information Center

    Boy Scouts of America, New Brunswick, NJ.

    Designed to assist Scout leaders working with physically handicapped boys, the booklet offers ideas for program content and for aiding the handicapped boys in Boy Scout advancement. How Scouting can help handicapped boys physically and emotionally, and what the Scout leader should know about a boy's handicap are discussed. Suggestions are made for…

  7. Mars scouts: an overview

    NASA Technical Reports Server (NTRS)

    Matousek, S.

    2001-01-01

    The Mars program institutes the Mars Scout Missions in order to address science goals in the program not otherwise covered in the baseline Mars plan. Mars Scout Missions will be Principle-Investigator (PI) led science missions. Analogous to the Discovery Program, PI led investigations optimize the use of limited resources to accomplish the best focused science and allow the flexibility to quickly respond to discoveries at Mars. Scout missions also require unique investments in technology and reliance upon Mars-based infrastructure such as telecom relay orbiters.

  8. Rotorcraft as Mars Scouts

    NASA Technical Reports Server (NTRS)

    Young, L. A.; Aiken, E. W.; Gulick, V.; Mancinelli, R.; Briggs, G. A.; Rutkowski, Michael (Technical Monitor)

    2002-01-01

    A new approach for the robotic exploration of Mars is detailed in this paper: the use of small, ultralightweight, autonomous rotary-wing aerial platforms. Missions based on robotic rotorcraft could make excellent candidates for NASA Mars Scout program. The paper details the work to date and future planning required for the development of such 'Mars rotorcraft.'

  9. Boy Scouts for Henry.

    PubMed

    Allen, Richard E

    2006-01-01

    "Can we do anything for you?" The question was embarrassing. Henry had been poked and prodded and preserved far beyond his wishes. In a medical system that scorns comfort care, a resident physician is troubled by the case of an elderly man with poor quality of life. An awkward attempt at a Boy Scout service project emphasizes how poorly we comfort the terminally ill despite modern technology and interventionalism.

  10. Scout Sensor Requirements Study

    DTIC Science & Technology

    1989-07-21

    for Night Vision and Electrol-Optics (CNVEO). It is a distinct level of acquisition so its inclusion makes sense for our purposes. 7-3. Detection is...security were evaluated using the Night Vision Laboratory Sensor Performance Model to determine which is most restrictive. Classifying full-sized targets...systems in the field (AN/PVS-7B Night Vision Goggles, AN/PVS-4 Individual Served Weapon Sight) work very well. They assist the scout in night navigation

  11. Gemini Scout Control Software

    SciTech Connect

    Clinton Hobart, Justin Garretson

    2010-11-23

    The Gemini Scout Control Software consists of two Windows applications that allow the Gemini Scout vehicle to be controlled by an operator. The Embedded application runs on the vehicle's Gemini Scout Control Software onboard computer and controls the vehicle's various motors and sensors. This application reports the vehicle's status and receives vehicle commands overthe local-area-network. The Embedded applicationalso allows the user to control the vehicle using a USB game-pad connected directly to the vehicle. The Operator Control Unit (OCU) application runs on an external PC and communicates with the vehicle via an Ethernet connection. The OCU application sends commands to and receives data from the Embedded application running on the vehicle. The OCU application also communicates directly with the digital video encoders and radios in order to display video from the vehicle's cameras and the status of the radio link. The OCU application has a graphical user interface (GUI) that displays the vehicle's status and allows the user to change various vehicle settings. Finally, the OCU application receives input from a USB game-pad connected to the PC in order to control the vehicle's functions.

  12. Tim Becomes an Eagle Scout.

    ERIC Educational Resources Information Center

    Fredericks, Bud

    1987-01-01

    A parent recounts his Downs Syndrome son's integration into a regular Boy Scout troop and subsequent earning of the Eagle rank. His Eagle project involved speaking about his disability in local elementary, junior high, and senior high schools. Policies of the Boy and Girl Scout organizations concerning disabled members are summarized. (CB)

  13. Scouting for the Mentally Retarded.

    ERIC Educational Resources Information Center

    Boy Scouts of America, New Brunswick, NJ.

    The handbook for leaders discusses ways in which scouting helps and how the unit serves the boys. Advancement, rank, and the boys are discussed; boy scout tests (tenderfoot and second class interpretation for mentally retarded boys), group activities, and a sample ceremony are detailed. Listings are given of membership provisions, helps for…

  14. Outdoor Education in Girl Scouting.

    ERIC Educational Resources Information Center

    Kennedy, Carolyn L.

    This book was written to help Girl Scout leaders prepare themselves and the girls with whom they work to enjoy outdoor experiences together. It complements the age-level handbook and leaders' guide, and training provided by the local Girl Scout council. The book contains nine chapters. The first chapter lists age-level characteristics of girls,…

  15. Outdoor Education in Girl Scouting.

    ERIC Educational Resources Information Center

    Kennedy, Carolyn L.

    This book was written to help Girl Scout leaders prepare themselves and the girls with whom they work to enjoy outdoor experiences together. It complements the age-level handbook and leaders' guide, and training provided by the local Girl Scout council. The book contains nine chapters. The first chapter lists age-level characteristics of girls,…

  16. SCOUT Nozzle Data Book

    NASA Technical Reports Server (NTRS)

    Shieds, S.

    1976-01-01

    Available analyses and material property information are summarized relevant to the design of four rocket motor nozzles currently incorporated in the four solid propellant rocket stages of the NASA SCOUT launch vehicle. The nozzles discussed include those for the following motors: (1) first stage - Algol IIIA; (2) second stage - Castor IIA; (3) third stage - Antares IIA; and (4) fourth stage - Altair IIIA. Separate sections for each nozzle provide complete data packages. Information on the Antares IIB motor which had limited usage as an alternate motor for the third stage is included.

  17. Boy Scouts of America: Mainstreaming and Handicapped Awareness.

    ERIC Educational Resources Information Center

    Exceptional Parent, 1982

    1982-01-01

    The article reviews mainstreaming efforts of the Boy Scouts who currently have about 190,000 disabled scouts participating, about two-thirds in regular scouting units and the remaining in special scouting units for the disabled. (DB)

  18. Near Earth Asteroid (NEA) Scout

    NASA Technical Reports Server (NTRS)

    Johnson, Les; Castillo-Rogez, Julie; Dervan, Jared; McNutt, Leslie

    2017-01-01

    NASA is developing solar sail propulsion for a near-term Near Earth Asteroid (NEA) reconnaissance mission that will lay the groundwork for the future use of solar sails. The NEA Scout mission will use the sail as primary propulsion allowing it to survey and image one NEA's of interest for future human exploration. NEA Scout will launch on the first mission of the Space Launch System (SLS) in 2018. After its first encounter with the Moon, NEA Scout will enter the sail characterization phase by the 86 square meter sail deployment. A mechanical Active Mass Translation (AMT) system, combined with the remaining ACS propellant, will be used for sail momentum management. The spacecraft will perform a series of lunar flybys to achieve optimum departure trajectory before beginning its two year-long cruise. About one month before the asteroid flyby, NEA Scout will start its approach phase using optical navigation on top of radio tracking. The solar sail will provide NEA Scout continuous low thrust to enable a relatively slow flyby of the target asteroid under lighting conditions favorable to geological imaging. Once complete, NASA will have demonstrated the capability to fly low-cost, high delta V CubeSats to perform interplanetary missions.

  19. NASA Participates in Scout Jamboree

    NASA Image and Video Library

    2017-07-25

    NASA Acting Chief Technologist Douglas Terrier leads a discussion titled “NASA Technologies for Explorers on Earth” during the Boy Scouts of America National Jamboree, Tuesday, July 25, 2017 at the Summit Bechtel Reserve in Glen Jean, West Virginia. Photo Credit: (NASA/Bill Ingalls)

  20. NASA Participates in Scout Jamboree

    NASA Image and Video Library

    2017-07-25

    Greg “Box” Johnson, executive director of Center for the Advancement of Science in Space (CASIS) and former astronaut, foreground, and NASA Acting Chief Technologist Douglas Terrier watch as attendees of the Boy Scouts of America National Jamboree launch a weather balloon, Tuesday, July 25, 2017 at the Summit Bechtel Reserve in Glen Jean, West Virginia. Photo Credit: (NASA/Bill Ingalls)

  1. NASA Participates in Scout Jamboree

    NASA Image and Video Library

    2017-07-25

    NASA Research Specialist Michael Brandon, left, demonstrates a visualization tool to NASA Acting Chief Technologist Douglas Terrier during the Boy Scouts of America National Jamboree, Tuesday, July 25, 2017 at the Summit Bechtel Reserve in Glen Jean, West Virginia. Photo Credit: (NASA/Bill Ingalls)

  2. Scouting for the Visually Handicapped.

    ERIC Educational Resources Information Center

    McMullen, A. Robert, Ed.

    Intended for parents of visually handicapped boys, the booklet describes advantages and opportunities of boy scouting for the visually handicapped. It is stressed that boys with visual handicaps are more like other boys than unlike them. Noted are practical ways to compensate for the boy's lack of sight such as Braille versions of the Scout…

  3. Solids Accumulation Scouting Studies

    SciTech Connect

    Duignan, M. R.; Steeper, T. J.; Steimke, J. L.

    2012-09-26

    The objective of Solids Accumulation activities was to perform scaled testing to understand the behavior of remaining solids in a Double Shell Tank (DST), specifically AW-105, at Hanford during multiple fill, mix, and transfer operations. It is important to know if fissionable materials can concentrate when waste is transferred from staging tanks prior to feeding waste treatment plants. Specifically, there is a concern that large, dense particles containing plutonium could accumulate in poorly mixed regions of a blend tank heel for tanks that employ mixing jet pumps. At the request of the DOE Hanford Tank Operations Contractor, Washington River Protection Solutions, the Engineering Development Laboratory of the Savannah River National Laboratory performed a scouting study in a 1/22-scale model of a waste staging tank to investigate this concern and to develop measurement techniques that could be applied in a more extensive study at a larger scale. Simulated waste tank solids: Gibbsite, Zirconia, Sand, and Stainless Steel, with stainless steel particles representing the heavier particles, e.g., plutonium, and supernatant were charged to the test tank and rotating liquid jets were used to mix most of the solids while the simulant was pumped out. Subsequently, the volume and shape of the mounds of residual solids and the spatial concentration profiles for the surrogate for heavier particles were measured. Several techniques were developed and equipment designed to accomplish the measurements needed and they included: 1. Magnetic particle separator to remove simulant stainless steel solids. A device was designed and built to capture these solids, which represent the heavier solids during a waste transfer from a staging tank. 2. Photographic equipment to determine the volume of the solids mounds. The mounds were photographed as they were exposed at different tank waste levels to develop a composite of topographical areas. 3. Laser rangefinders to determine the volume of

  4. Integrated reliability program for Scout research vehicle.

    NASA Technical Reports Server (NTRS)

    Morris, B. V.; Welch, R. C.

    1967-01-01

    Integrated reliability program for Scout launch vehicle in terms of design specification, review functions, malfunction reporting, failed parts analysis, quality control, standardization and certification

  5. Reaching for the Stars: NASA Space Science for Girl Scouts (Girl Scout Stars)

    NASA Astrophysics Data System (ADS)

    DeVore, E. K.; Harman, P. K.; Berg, J.; Friedman, W.; Fahy, J.; Henricks, J.; Chin, W.; Hudson, A.; Grissom, C.; Lebofsky, L. A.; McCarthy, D.; Gurton, S. P.; White, V.; Summer, T.; Mayo, L.; Patel, R.; Bass, K.

    2016-12-01

    Girl Scout Stars aims to enhance science, technology, engineering and mathermatics (STEM) experiences for Girl Scouts in grades K-12 through the national Girl Scout Leadership Experience. New space science badges are being created for every Girl Scout level. Using best practices, we engage girls and volunteers with the fundamental STEM concepts that underpin our human quest to explore the universe. Through early and sustained exposure to the people and assets of NASA and the excitement of NASA's Mission, they explore STEM content, discoveries, and careers. Today's tech savvy Girl Scout volunteers prefer just-in-time materials and asynchronous learning. The Girl Scout Volunteer Tool Kit taps into the wealth of online materials provided by NASA for the new space science badges. Training volunteers supports troop activities for the younger girls. For older girls, we enhance Girl Scout summer camp activities, support in-depth experiences at University of Arizona's Astronomy Camp, and "Destination" events for the 2017 total solar eclipse. We partner with the Night Sky Network to engage amateur astronomers with Girl Scouts. Univeristy of Arizona also leads Astronomy Camp for Girl Scout volunteers. Aires Scientific leads eclipse preparation and summer sessions at NASA Goddard Space Flight Center for teams of volunteers, amateur astronomers and older Girl Scouts. There are 1,900,000 Girl Scouts and 800,000 volunteers in the USA. During development, we work with the Girl Scouts of Northern California (50,000 girl members and 31,000 volunteers) and expand across the USA to 121 Girl Scout councils over five years. SETI Institute leads the experienced space science educators and scientists at Astronomical Society of the Pacific, University of Arizona, and Aires Scientific. Girl Scouts of the USA leads dissemination of Girl Scout Stars to Councils across the USA with support of Girl Scouts of Northern California. Through professional development of Girl Scout volunteers, Girl

  6. Boy Scouts, School Policies and the Law.

    ERIC Educational Resources Information Center

    Jones, Rebecca

    2001-01-01

    The Boy Scouts of America's anti-gay and anti-atheist youth policies are forcing school districts to reconsider sponsoring troops and allowing meetings on campus. To most school boards, banning Boy Scouts organizations seems unthinkable. The meeting-space question boils down to existence of anti-discrimination policies. (MLH)

  7. Getting Prepared: Nonformal Education in Boy Scouts.

    ERIC Educational Resources Information Center

    Kleinfeld, Judith; Shinkwin, Anne

    An intensive study of boys' experiences in two Boy Scout groups shows that scout programs provide important educational functions that schools and homes do not. Detailed field notes were taken on 75 events of the 2 groups, semi-structured interviews were conducted with 20 boys and their parents to explore what parents and boys felt they were…

  8. PRoViScout: a planetary scouting rover demonstrator

    NASA Astrophysics Data System (ADS)

    Paar, Gerhard; Woods, Mark; Gimkiewicz, Christiane; Labrosse, Frédéric; Medina, Alberto; Tyler, Laurence; Barnes, David P.; Fritz, Gerald; Kapellos, Konstantinos

    2012-01-01

    Mobile systems exploring Planetary surfaces in future will require more autonomy than today. The EU FP7-SPACE Project ProViScout (2010-2012) establishes the building blocks of such autonomous exploration systems in terms of robotics vision by a decision-based combination of navigation and scientific target selection, and integrates them into a framework ready for and exposed to field demonstration. The PRoViScout on-board system consists of mission management components such as an Executive, a Mars Mission On-Board Planner and Scheduler, a Science Assessment Module, and Navigation & Vision Processing modules. The platform hardware consists of the rover with the sensors and pointing devices. We report on the major building blocks and their functions & interfaces, emphasizing on the computer vision parts such as image acquisition (using a novel zoomed 3D-Time-of-Flight & RGB camera), mapping from 3D-TOF data, panoramic image & stereo reconstruction, hazard and slope maps, visual odometry and the recognition of potential scientifically interesting targets.

  9. Reaching for the Stars: NASA Science for Girl Scouts (Girl Scout Stars)

    NASA Astrophysics Data System (ADS)

    DeVore, Edna; Harman, Pamela; Girl Scouts of the USA; Girl Scouts of Northern California; University of Arizona; Astronomical Society of the Pacific; Aires Scientific

    2017-01-01

    Girl Scout Stars aims to enhance STEM experiences for Girl Scouts in grades K-12. New space science badges are being created for every Girl Scout level. Using best practices, we engage girls and volunteers with the fundamental STEM concepts that underpin our human quest to explore the universe. Through early and sustained exposure to the people and assets of NASA and the excitement of NASA’s Mission, they explore STEM content, discoveries, and careers. Today’s tech savvy Girl Scout volunteers prefer just-in-time materials and asynchronous learning. The Volunteer Tool Kit taps into the wealth of NASA's online materials for the new space science badges. Training volunteers supports troop activities for the younger girls. For older girls, we enhance Girl Scout summer camp activities, support in-depth experiences at Univ. of Arizona’s Astronomy Camp, and “Destination” events for the 2017 total solar eclipse. We partner with the Night Sky Network to engage amateur astronomers with Girl Scouts. Univ. of Arizona also leads Astronomy Camp for Girl Scout volunteers. Aires Scientific leads eclipse preparation and summer sessions at NASA Goddard Space Flight Center for teams of volunteers, amateur astronomers and older Girl Scouts.There are 1,900,000 Girl Scouts and 800,000 volunteers in the USA. During development, we work with the Girl Scouts of Northern California (50,000 girl members and 31,000 volunteers) and expand across the USA to 121 Girl Scout councils over five years. SETI Institute leads the space science educators and scientists at Astronomical Society of the Pacific, Univ. of Arizona, and Aires Scientific. Girl Scouts of the USA leads dissemination of Girl Scout Stars with support of Girl Scouts of Northern California. Through professional development of Girl Scout volunteers, Girl Scout Stars enhances public science literacy. Girl Scout Stars supports the NASA Science Mission Directorate Science Education Objectives and NASA’s STEM Engagement and

  10. Near-Earth Asteroid Scout

    NASA Technical Reports Server (NTRS)

    McNutt, Leslie; Johnson, Les; Clardy, Dennon; Castillo-Rogez, Julie; Frick, Andreas; Jones, Laura

    2014-01-01

    Near-Earth Asteroids (NEAs) are an easily accessible object in Earth's vicinity. Detections of NEAs are expected to grow in the near future, offering increasing target opportunities. As NASA continues to refine its plans to possibly explore these small worlds with human explorers, initial reconnaissance with comparatively inexpensive robotic precursors is necessary. Obtaining and analyzing relevant data about these bodies via robotic precursors before committing a crew to visit a NEA will significantly minimize crew and mission risk, as well as maximize exploration return potential. The Marshall Space Flight Center (MSFC) and Jet Propulsion Laboratory (JPL) are jointly examining a mission concept, tentatively called 'NEA Scout,' utilizing a low-cost CubeSats platform in response to the current needs for affordable missions with exploration science value. The NEA Scout mission concept would be a secondary payload on the Space Launch System (SLS) Exploration Mission 1 (EM-1), the first planned flight of the SLS and the second un-crewed test flight of the Orion Multi-Purpose Crew Vehicle (MPCV).

  11. Science Education in the Boy Scouts of America

    ERIC Educational Resources Information Center

    Hintz, Rachel Sterneman

    2009-01-01

    This study of science education in the Boy Scouts of America focused on males with Boy Scout experience. The mixed-methods study topics included: merit badge standards compared with National Science Education Standards, Scout responses to open-ended survey questions, the learning styles of Scouts, a quantitative assessment of science content…

  12. Science Education in the Boy Scouts of America

    ERIC Educational Resources Information Center

    Hintz, Rachel Sterneman

    2009-01-01

    This study of science education in the Boy Scouts of America focused on males with Boy Scout experience. The mixed-methods study topics included: merit badge standards compared with National Science Education Standards, Scout responses to open-ended survey questions, the learning styles of Scouts, a quantitative assessment of science content…

  13. Making Good Boys Better: Nonformal Education in Boy Scouts.

    ERIC Educational Resources Information Center

    Kleinfeld, Judith; Shinkwin, Anne

    This paper on a widespread nonformal American educational experience, the Boy Scouts, describes the close relationship between family socialization and scouting, and the education that occurs in three key scouting settings: camp-outs, troop meetings, and scout service projects. The paper argues that certain types of families deliberately use…

  14. Astronomy for Mile-Hi Girl Scouts

    NASA Astrophysics Data System (ADS)

    Morrow, C. A.; Fuller, L.

    1999-12-01

    The Space Science Institute engaged Denver area astronomers in collaboration with the Girl Scouts - Mile Hi Council to plan, implement, and evaluate workshops on astronomy and Mars exploration for Junior Girl Scouts (ages 9-11) and their Troop Leaders. We designed a workshop for the Scouts that would enable them to earn their Sky Watch badge. In addition we implemented a workshop for Troop Leaders who want to implement badge-related space science activities within their troops. This talk (or poster) will report on our experiences and lessons learned in these workshops. Our work was supported by the NASA IDEAS program.

  15. Leadership Workshops for Adult Girl Scout Leaders

    NASA Astrophysics Data System (ADS)

    Lebofsky, Larry A.; McCarthy, Donald; DeVore, Edna; Harman, Pamela; Reaching Stars Team

    2016-10-01

    This year, the University of Arizona is conducting its first two Leadership Workshops for Girl Scout adult leaders. These workshops are being supported by a five-year NASA Collaborative Agreement, Reaching for the Stars: NASA Science for Girl Scouts (www.seti.org/GirlScoutStars), through the SETI Institute in collaboration with the University of Arizona, Girl Scouts of the USA (GSUSA), the Girl Scouts of Northern California, the Astronomical Society of the Pacific, and Aries Scientific, Inc. These workshops are an outgrowth of Astronomy Camp for Girl Scout Leaders, a 14-year "Train the Trainer" program funded by NASA through the James Webb Space Telescope's Near Infrared Camera (NIRCam) education and outreach team. We are continuing our long-term relationship with all Girl Scout Councils to engage girls and young women not only in science and math education, but also in the astronomical and technological concepts relating to NASA's scientific mission. Our training aligns with the GSUSA Journey: It's Your Planet-Love It! and introduces participants to some of the activities that are being developed by the Girl Scout Stars team for GSUSA's new space science badges for all Girl Scout levels being developed as a part of Reaching for the Stars: NASA Science for Girl Scouts.The workshops include hands-on activities in basic astronomy (night sky, stars, galaxies, optics, telescopes, etc.) as well as some more advanced concepts such as lookback time and the expansion of the Universe. Since the inception of our original Astronomy Camp in 2003, our team has grown to include nearly 280 adult leaders, staff, and volunteers from over 79 Councils in 43 states and the District of Columbia so they can, in turn, teach young women essential concepts in astronomy, the night sky environment, applied math, and engineering. Our workshops model what astronomers do by engaging participants in the process of science inquiry, while equipping adults to host astronomy-related programs with

  16. Near Earth Asteroid Scout Solar Sail

    NASA Image and Video Library

    2015-12-10

    NEA (Near Earth Asteroid) Scout Solar Sail, deployed, with team members: Alex Sobey, Andy Heaton, Olive Stohlmann, Leslie McNutt, Tiffany Russell Lockett, Roy Young, Les Johnson, Kevin Sykes, Tom Bryan

  17. MQ-8 Fire Scout Unmanned Aircraft System (MQ-8 Fire Scout)

    DTIC Science & Technology

    2015-12-01

    Selected Acquisition Report (SAR) RCS: DD-A&T(Q&A)823-253 MQ-8 Fire Scout Unmanned Aircraft System (MQ-8 Fire Scout) As of FY 2017 President’s...Manager POE - Program Office Estimate RDT&E - Research, Development, Test, and Evaluation SAR - Selected Acquisition Report SCP - Service Cost Position

  18. Scouting out a Progressive Role Model: Here Come the Girl Scouts!

    ERIC Educational Resources Information Center

    Cushman, Mary

    2014-01-01

    Shana Corey's picture book, "Here Come the Girl Scouts!: The Amazing All-True Story of Juliette 'Daisy' Gordon Low and Her Great Adventure" describes Low's life as one of excitement, boldness, and fun. The "birthday" of Girl Scouts falls conveniently near the middle of Women's History Month, on March…

  19. Preliminary Humanities Tech Scout Report [and] Scouting for Multimedia, the Search Goes On.

    ERIC Educational Resources Information Center

    Muyskens, Lois

    In 1990, the Dallas County Community College District's (DCCCD's) Computer Center recruited three technology scouts (faculty members interested in media) to locate, preview, and evaluate multimedia products that could be used in the classroom. The technology scout for the humanities found and previewed products that could be used in…

  20. Scouting out a Progressive Role Model: Here Come the Girl Scouts!

    ERIC Educational Resources Information Center

    Cushman, Mary

    2014-01-01

    Shana Corey's picture book, "Here Come the Girl Scouts!: The Amazing All-True Story of Juliette 'Daisy' Gordon Low and Her Great Adventure" describes Low's life as one of excitement, boldness, and fun. The "birthday" of Girl Scouts falls conveniently near the middle of Women's History Month, on March…

  1. The Pascal Mars Scout Mission

    NASA Technical Reports Server (NTRS)

    Haberle, R. M.

    2003-01-01

    Pascal is a Mars Climate Network Mission that is being developed for NASA's Mars Scout Program. The mission would establish a network of 18 science weather stations distributed across the entire surface of Mars that operates for 3-10 Mars years (5.6- 18.8 Earth years). Pascal's instrument suite combines entry data from accelerometers and descent cameras, with landed data from pressure, opacity, temperature, wind speed, and water vapor to create a detailed global picture of Martian climate and weather. A panoramic landed camera system acquires images every 30 Sols to monitor changes in the landing environment due to winds. Analysis of data from the science stations, taken as often as once every 15 minutes, will provide a depth of understanding that will vastly increase our knowledge of Mars, and significantly impact site selection for future NASA missions. Pascal is the first mission ever to sample - in situ - the full global diversity of Mars and provide a continuous long-term presence on its surface.

  2. The Pascal Mars Scout Mission

    NASA Technical Reports Server (NTRS)

    Haberle, R. M.

    2003-01-01

    Pascal is a Mars Climate Network Mission that is being developed for NASA's Mars Scout Program. The mission would establish a network of 18 science weather stations distributed across the entire surface of Mars that operates for 3-10 Mars years (5.6- 18.8 Earth years). Pascal's instrument suite combines entry data from accelerometers and descent cameras, with landed data from pressure, opacity, temperature, wind speed, and water vapor to create a detailed global picture of Martian climate and weather. A panoramic landed camera system acquires images every 30 Sols to monitor changes in the landing environment due to winds. Analysis of data from the science stations, taken as often as once every 15 minutes, will provide a depth of understanding that will vastly increase our knowledge of Mars, and significantly impact site selection for future NASA missions. Pascal is the first mission ever to sample - in situ - the full global diversity of Mars and provide a continuous long-term presence on its surface.

  3. Live ultrasound volume reconstruction using scout scanning

    NASA Astrophysics Data System (ADS)

    Meyer, Amelie; Lasso, Andras; Ungi, Tamas; Fichtinger, Gabor

    2015-03-01

    Ultrasound-guided interventions often necessitate scanning of deep-seated anatomical structures that may be hard to visualize. Visualization can be improved using reconstructed 3D ultrasound volumes. High-resolution 3D reconstruction of a large area during clinical interventions is challenging if the region of interest is unknown. We propose a two-stage scanning method allowing the user to perform quick low-resolution scouting followed by high-resolution live volume reconstruction. Scout scanning is accomplished by stacking 2D tracked ultrasound images into a low-resolution volume. Then, within a region of interest defined in the scout scan, live volume reconstruction can be performed by continuous scanning until sufficient image density is achieved. We implemented the workflow as a module of the open-source 3D Slicer application, within the SlicerIGT extension and building on the PLUS toolkit. Scout scanning is performed in a few seconds using 3 mm spacing to allow region of interest definition. Live reconstruction parameters are set to provide good image quality (0.5 mm spacing, hole filling enabled) and feedback is given during live scanning by regularly updated display of the reconstructed volume. Use of scout scanning may allow the physician to identify anatomical structures. Subsequent live volume reconstruction in a region of interest may assist in procedures such as targeting needle interventions or estimating brain shift during surgery.

  4. NEA Scout Solar Sail: Half-scale Fold Time Lapse

    NASA Image and Video Library

    In this time lapse, the Near-Earth Asteroid Scout (NEA Scout) CubeSat team rolls a half-scale prototype of the small satellite's solar sail in preparation for a deployment test. During its mission,...

  5. Scout trajectory error propagation computer program

    NASA Technical Reports Server (NTRS)

    Myler, T. R.

    1982-01-01

    Since 1969, flight experience has been used as the basis for predicting Scout orbital accuracy. The data used for calculating the accuracy consists of errors in the trajectory parameters (altitude, velocity, etc.) at stage burnout as observed on Scout flights. Approximately 50 sets of errors are used in Monte Carlo analysis to generate error statistics in the trajectory parameters. A covariance matrix is formed which may be propagated in time. The mechanization of this process resulted in computer program Scout Trajectory Error Propagation (STEP) and is described herein. Computer program STEP may be used in conjunction with the Statistical Orbital Analysis Routine to generate accuracy in the orbit parameters (apogee, perigee, inclination, etc.) based upon flight experience.

  6. These Our Brothers: A Guide to Scouting with the Handicapped.

    ERIC Educational Resources Information Center

    Boy Scouts of America, New Brunswick, NJ.

    The Boy Scout World Bureau pamphlet is designed to assist Scouters who are interested in bringing Scouting to the handicapped boy. Procedures for introducing the handicapped to Scouting are outlined; and topics such as outdoor camping, activities, badges and uniform, service, and general principles are covered. (CD)

  7. Educational Work of the Boy Scouts. Bulletin, 1921, No. 41

    ERIC Educational Resources Information Center

    Barclay, Lorne W.

    1921-01-01

    Scouting continues to enjoy the cordial endorsement of school men everywhere in the US. More and more those interested are coming to see the enormous possibilities of cooperation between the scout movement and the schools. Many schools now give credit for scout work done outside of the schools. Many more are in hearty sympathy with the program as…

  8. Improved guidance hardware study for the scout launch vehicle

    NASA Technical Reports Server (NTRS)

    Schappell, R. T.; Salis, M. L.; Mueller, R.; Best, L. E.; Bradt, A. J.; Harrison, R.; Burrell, J. H.

    1972-01-01

    A market survey and evaluation of inertial guidance systems (inertial measurement units and digital computers) were made. Comparisons were made to determine the candidate systems for use in the Scout launch vehicle. Error analyses were made using typical Scout trajectories. A reaction control system was sized for the fourth stage. The guidance hardware to Scout vehicle interface was listed.

  9. The Implementation of Character Education through Scout Activities

    ERIC Educational Resources Information Center

    Mislia; Mahmud, Alimuddin; Manda, Darman

    2016-01-01

    This research aims at describing the factors influencing the extracurricular activities especially scouting. This research also aims at describing the Scouts skills that can form the students' character. This research is also to describe the strategies for the formation of the students' character through scout activities. This research was a…

  10. Science education in the Boy Scouts of America

    NASA Astrophysics Data System (ADS)

    Hintz, Rachel Sterneman

    This study of science education in the Boy Scouts of America focused on males with Boy Scout experience. The mixed-methods study topics included: merit badge standards compared with National Science Education Standards, Scout responses to open-ended survey questions, the learning styles of Scouts, a quantitative assessment of science content knowledge acquisition using the Geology merit badge, and a qualitative analysis of interview responses of Scouts, Scout leaders, and scientists who were Scouts. The merit badge requirements of the 121 current merit badges were mapped onto the National Science Education Standards: 103 badges (85.12%) had at least one requirement meeting the National Science Education Standards. In 2007, Scouts earned 1,628,500 merit badges with at least one science requirement, including 72,279 Environmental Science merit badges. "Camping" was the "favorite thing about Scouts" for 54.4% of the boys who completed the survey. When combined with other outdoor activities, what 72.5% of the boys liked best about Boy Scouts involved outdoor activity. The learning styles of Scouts tend to include tactile and/or visual elements. Scouts were more global and integrated than analytical in their thinking patterns; they also had a significant intake element in their learning style. Earning a Geology merit badge at any location resulted in a significant gain of content knowledge; the combined treatment groups for all location types had a 9.13% gain in content knowledge. The amount of content knowledge acquired through the merit badge program varied with location; boys earning the Geology merit badge at summer camp or working as a troop with a merit badge counselor tended to acquire more geology content knowledge than boys earning the merit badge at a one-day event. Boys retained the content knowledge learned while earning the merit badge. Scientists, Scout leaders, and Scouts felt that Scouts learned science through participation in the Boy Scout program

  11. Environmental protection requirements for scout/shuttle auxiliary stages

    NASA Technical Reports Server (NTRS)

    Qualls, G. L.; Kress, S. S.; Storey, W. W.; Ransdell, P. N.

    1980-01-01

    The requirements for enabling the Scout upper stages to endure the expected temperature, mechanical shock, acoustical and mechanical vibration environments during a specified shuttle mission were determined. The study consisted of: determining a shuttle mission trajectory for a 545 kilogram (1200 pound) Scout payload; compilation of shuttle environmental conditions; determining of Scout upper stages environments in shuttle missions; compilation of Scout upper stages environmental qualification criteria and comparison to shuttle mission expected environments; and recommendations for enabling Scout upper stages to endure the exptected shuttle mission environments.

  12. Scouts behave as streakers in honeybee swarms

    NASA Astrophysics Data System (ADS)

    Greggers, Uwe; Schöning, Caspar; Degen, Jacqueline; Menzel, Randolf

    2013-08-01

    Harmonic radar tracking was used to record the flights of scout bees during takeoff and initial flight path of two honeybee swarms. One swarm remained intact and performed a full flight to a destination beyond the range of the harmonic radar, while a second swarm disintegrated within the range of the radar and most of the bees returned to the queen. The initial stretch of the full flight is characterized by accelerating speed, whereas the disintegrating swarm flew steadily at low speed. The two scouts in the swarm displaying full flight performed characteristic flight maneuvers. They flew at high speed when traveling in the direction of their destination and slowed down or returned over short stretches at low speed. Scouts in the disintegrating swarm did not exhibit the same kind of characteristic flight performance. Our data support the streaker bee hypothesis proposing that scout bees guide the swarm by traveling at high speed in the direction of the new nest site for short stretches of flight and slowing down when reversing flight direction.

  13. Transforming an icon: Girl Scouts of America.

    PubMed

    Tompkins, Michelle; Inzunza, Victor

    2008-01-01

    The Girl Scouts is four years away from celebrating its centennial and has helped nurture courage, confidence, and character in more than fifty million girls. There are a quarter million troops, but mission, program, fundraising, and branding occur at the national level. These exciting programs are described here.

  14. Scout launch vehicle, phases 4 and 5

    NASA Technical Reports Server (NTRS)

    Mccracken, D. C.; Leiss, A.; Horrocks, E. R.; Turpen, N. H.

    1974-01-01

    The historical data of the Scout launch vehicle program for Phases IV and V (vehicles 138 through 177) is presented for the FY 1966 through FY 1971 time period. Technical data and accounting information are detailed to provide a total picture of the program.

  15. BOY SCOUTS - SPACE TASK GROUP - ASTRONAUT SHEPARD

    NASA Image and Video Library

    1961-06-19

    S61-02455 (19 June 1961) --- Astronaut Alan B. Shepard Jr. met and talked with Boy Scouts from Franklin, Virginia on June 19, 1961. They are photographed in front of the NASA Space Task Group building at Langley Space Flight Center. Photo credit: NASA or National Aeronautics and Space Administration

  16. Soil and Water Conservation Activities for Scouts.

    ERIC Educational Resources Information Center

    Soil Conservation Service (USDA), Washington, DC.

    The purpose of the learning activities outlined in this booklet is to help Scouts understand some conservation principles which hopefully will lead to the development of an attitude of concern for the environment and a commitment to help with the task of using and managing soil, water, and other natural resources for long range needs as well as…

  17. NASA's Near Earth Asteroid Scout Mission

    NASA Technical Reports Server (NTRS)

    Johnson, Les; McNutt, Leslie; Castillo-Rogez, Julie

    2017-01-01

    NASA is developing solar sail propulsion for a near-term Near Earth Asteroid (NEA) reconnaissance mission and laying the groundwork for their future use in deep space science and exploration missions. The NEA Scout mission, funded by NASA's Advanced Exploration Systems Program and managed by NASA MSFC, will use the sail as primary propulsion allowing it to survey and image one or more NEA's of interest for possible future human exploration. NEA Scout uses a 6U cubesat (to be provided by NASA's Jet Propulsion Laboratory), an 86 m2 solar sail and will weigh less than 14 kilograms. The solar sail for NEA Scout will be based on the technology developed and flown by the NASA NanoSail-D and The Planetary Society's Lightsail-A. Four 7 m stainless steel booms wrapped on two spools (two overlapping booms per spool) will be motor deployed and pull the sail from its stowed volume. The sail material is an aluminized polyimide approximately 3 microns thick. NEA Scout will launch on the Space Launch System (SLS) first mission in 2018 and deploy from the SLS after the Orion spacecraft is separated from the SLS upper stage. The NEA Scout spacecraft will stabilize its orientation after ejection using an onboard cold-gas thruster system. The same system provides the vehicle Delta-V sufficient for a lunar flyby. After its first encounter with the moon, the 86 m2 sail will deploy, and the sail characterization phase will begin. A mechanical Active Mass Translation (AMT) system, combined with the remaining ACS propellant, will be used for sail momentum management. Once the system is checked out, the spacecraft will perform a series of lunar flybys until it achieves optimum departure trajectory to the target asteroid. The spacecraft will then begin its two year-long cruise. About one month before the asteroid flyby, NEA Scout will pause to search for the target and start its approach phase using a combination of radio tracking and optical navigation. The solar sail will provide

  18. Measure Landscape Diversity with Logical Scout Agents

    NASA Astrophysics Data System (ADS)

    Wirth, E.; Szabó, G.; Czinkóczky, A.

    2016-06-01

    The Common Agricultural Policy reform of the EU focuses on three long-term objectives: viable food production, sustainable management of natural resources and climate action with balanced territorial development. To achieve these goals, the EU farming and subsidizing policies (EEA, 2014) support landscape heterogeneity and diversity. Current paper introduces an agent-based method to calculate the potential of landscape diversity. The method tries to catch the nature of heterogeneity using logic and modelling as opposed to the traditional statistical reasoning. The outlined Random Walk Scouting algorithm registers the land cover crossings of the scout agents to a Monte Carlo integral. The potential is proportional with the composition and the configuration (spatial character) of the landscape. Based on the measured points a potential map is derived to give an objective and quantitative basis to the stakeholders (policy makers, farmers).

  19. "Wild Scouts": Swedish Scouting Preparing Responsible Citizens for the Twenty-First Century

    ERIC Educational Resources Information Center

    Westberg Brostrom, Anna

    2013-01-01

    The aim of this article is to analyze the Swedish scout program. Socialization is used as a theoretical tool in the analysis. The method is inspired by critical discourse analysis. What are children and young people being prepared for, how is it accomplished, and by whom? The findings reveal two discourses: doing things as an investment for the…

  20. "Wild Scouts": Swedish Scouting Preparing Responsible Citizens for the Twenty-First Century

    ERIC Educational Resources Information Center

    Westberg Brostrom, Anna

    2013-01-01

    The aim of this article is to analyze the Swedish scout program. Socialization is used as a theoretical tool in the analysis. The method is inspired by critical discourse analysis. What are children and young people being prepared for, how is it accomplished, and by whom? The findings reveal two discourses: doing things as an investment for the…

  1. Scouting It Out: Interpreting Water Resources at the National Jamboree.

    ERIC Educational Resources Information Center

    Hays, Dave

    1998-01-01

    Federal natural-resource-management agencies combined efforts with volunteer scouting staff to develop a conservation area at the 1997 National Boy Scout Jamboree. Profiles the program, which adopted the theme of environmental stewardship, and focuses on how the U.S. Army Corps of Engineers interpreted water resources. The exhibit highlighted the…

  2. Educational Work of the Girl Scouts. Bulletin, 1921, No. 46

    ERIC Educational Resources Information Center

    Bryant, Louise Stevens

    1921-01-01

    The Girl Scouts, a national organization, is open to any girl who expresses her desire to join and voluntarily accepts the promise and the laws. The object of the Girl Scouts is to bring to all girls the opportunity for group experience outdoor life, and to learn through work, but more by play, to serve their community. Patterned after the Girl…

  3. The Youth Protection Program of the Boy Scouts of America.

    ERIC Educational Resources Information Center

    Potts, Lawrence F.

    1992-01-01

    This article describes the Boy Scout Youth Protection Program. This program involves a booklet for parents, and preparation and distribution of 2 videos for boys aged 6 to 9 and 10 to 14, respectively; formal policies to protect scouts from abuse within the organization; and a prompt reporting and communication system. (Author/DB)

  4. Scout 2008 Version 1.0 User Guide

    EPA Science Inventory

    The Scout 2008 version 1.0 software package provides a wide variety of classical and robust statistical methods that are not typically available in other commercial software packages. A major part of Scout deals with classical, robust, and resistant univariate and multivariate ou...

  5. Educational Work of the Boy Scouts. Bulletin, 1919, No. 24

    ERIC Educational Resources Information Center

    Barclay, Lorne W.

    1919-01-01

    Scouting has been described as the process of making real boys into real men by a real program that works. This program is adapted to the boy's leisure hours, but its principles are the kind that permeate every phase of his life, becoming part and parcel of himself. Character development is the keynote of scouting. By precept and practice it…

  6. Scout 2008 Version 1.0 User Guide

    EPA Science Inventory

    The Scout 2008 version 1.0 software package provides a wide variety of classical and robust statistical methods that are not typically available in other commercial software packages. A major part of Scout deals with classical, robust, and resistant univariate and multivariate ou...

  7. Lunar Scout Two spacecraft gravity experiment

    NASA Astrophysics Data System (ADS)

    Cheng, Andrew F.

    1993-03-01

    Measurement of the gravity field of the Moon has a high science priority because of its implications for the internal structure and thermal history of the Moon, and it has a high priority for future exploration activities because of the influence of lunar gravity on spacecraft navigation and orbit maintenance. The current state of knowledge in the lunar gravity field (and the uncertainty in the knowledge) is based primarily on data accumulated from the Lunar Orbiter and Apollo programs. Data are sparse and emphasize the equatorial band (+/- 30 deg) on the near side of the Moon. There are no tracking data on the far side and only the Lunar Orbiter 5 provides a small amount of high inclination data. A host of gravity models developed from different combinations of tracking data have large discrepancies in their predictions of spacecraft motion and orbit lifetimes. There are also large disagreements in the Mercator projections of the gravity acceleration from each model, especially on the far side, where the contours tend to have no obvious relationship with the local topography. The science and engineering requirements for global gravity field mapping will be satisfied with continuous radio metric tracking of Lunar Scout 1 in a low polar orbit using the Deep Space Network and Lunar Scout 2 in a high elliptical orbit. The gravity field of the Moon will be mapped during the Scout Program using a two spacecraft concept. In the two spacecraft concept, one spacecraft is placed in a high altitude eccentric orbit while the second spacecraft is in a low altitude polar orbit. The gravity experiment requires a radio frequency that will permit two-way Doppler tracking between the spacecraft and the Deep Space Network (DSN). Both spacecraft carry NASA standard transponder systems for data transmission to Earth as well as for tracking and orbit determination. Data sufficient to produce a gravity field map could be acquired within one month with this system.

  8. Lunar Scout Two spacecraft gravity experiment

    NASA Technical Reports Server (NTRS)

    Cheng, Andrew F.

    1993-01-01

    Measurement of the gravity field of the Moon has a high science priority because of its implications for the internal structure and thermal history of the Moon, and it has a high priority for future exploration activities because of the influence of lunar gravity on spacecraft navigation and orbit maintenance. The current state of knowledge in the lunar gravity field (and the uncertainty in the knowledge) is based primarily on data accumulated from the Lunar Orbiter and Apollo programs. Data are sparse and emphasize the equatorial band (+/- 30 deg) on the near side of the Moon. There are no tracking data on the far side and only the Lunar Orbiter 5 provides a small amount of high inclination data. A host of gravity models developed from different combinations of tracking data have large discrepancies in their predictions of spacecraft motion and orbit lifetimes. There are also large disagreements in the Mercator projections of the gravity acceleration from each model, especially on the far side, where the contours tend to have no obvious relationship with the local topography. The science and engineering requirements for global gravity field mapping will be satisfied with continuous radio metric tracking of Lunar Scout 1 in a low polar orbit using the Deep Space Network and Lunar Scout 2 in a high elliptical orbit. The gravity field of the Moon will be mapped during the Scout Program using a two spacecraft concept. In the two spacecraft concept, one spacecraft is placed in a high altitude eccentric orbit while the second spacecraft is in a low altitude polar orbit. The gravity experiment requires a radio frequency that will permit two-way Doppler tracking between the spacecraft and the Deep Space Network (DSN). Both spacecraft carry NASA standard transponder systems for data transmission to Earth as well as for tracking and orbit determination. Data sufficient to produce a gravity field map could be acquired within one month with this system.

  9. Gamma ray spectrometer for Lunar Scout 2

    NASA Technical Reports Server (NTRS)

    Moss, C. E.; Burt, W. W.; Edwards, B. C.; Martin, R. A.; Nakano, George H.; Reedy, R. C.

    1993-01-01

    We review the current status of the Los Alamos program to develop a high-resolution gamma-ray spectrometer for the Lunar Scout-II mission, which is the second of two Space Exploration Initiative robotic precursor missions to study the Moon. This instrument will measure gamma rays in the energy range of approximately 0.1 - 10 MeV to determine the composition of the lunar surface. The instrument is a high-purity germanium crystal surrounded by an CsI anticoincidence shield and cooled by a split Stirling cycle cryocooler. It will provide the abundance of many elements over the entire lunar surface.

  10. Phoenix - The First Mars Scout Mission

    NASA Technical Reports Server (NTRS)

    Goldstein, Barry; Shotwell, Robert

    2008-01-01

    As the first of the new Mars Scouts missions, the Phoenix project was selected by NASA in August of 2003. Four years later, almost to the day, Phoenix was launched from Cape Canaveral Air Station and successfully injected into an interplanetary trajectory on its way to Mars. On May 25, 2008 Phoenix conducted the first successful powered decent on Mars in over 30 years. This paper will highlight some of the key changes since the 2008 IEEE paper of the same name, as well as performance through cruise, landing at the north pole of Mars and some of the preliminary results of the surface mission.

  11. Phoenix - The First Mars Scout Mission

    NASA Technical Reports Server (NTRS)

    Goldstein, Barry; Shotwell, Robert

    2008-01-01

    As the first of the new Mars Scouts missions, the Phoenix project was selected by NASA in August of 2003. Four years later, almost to the day, Phoenix was launched from Cape Canaveral Air Station and successfully injected into an interplanetary trajectory on its way to Mars. On May 25, 2008 Phoenix conducted the first successful powered decent on Mars in over 30 years. This paper will highlight some of the key changes since the 2008 IEEE paper of the same name, as well as performance through cruise, landing at the north pole of Mars and some of the preliminary results of the surface mission.

  12. Girl Scouts settle complaints over reluctance to admit girl.

    PubMed

    1999-12-24

    The Girl Scouts have settled a claim of discrimination made against New York's Adirondack Girl Scout Council and the national Girl Scouts organization for refusing admittance of a third-grader into the Brownies because of her HIV infection. The settlement occurred without adjudication on the key point of whether volunteer-based organizations such as the Girl Scouts are places of public accommodation under the New York Human Rights Act. The parties agreed that the Adirondack council will revise its HIV policy so that volunteers know they cannot deny admission to HIV-positive candidates; that the council will educate its troop leaders and staff on HIV transmission, universal precautions, and the organization's policy of nondiscrimination; and that the national Girl Scouts' organization will continue to investigate any allegations of HIV discrimination against applicants.

  13. User's operating procedures. Volume 1: Scout project information programs

    NASA Technical Reports Server (NTRS)

    Harris, C. G.; Harris, D. K.

    1985-01-01

    A review of the user's operating procedures for the Scout Project Automatic Data System, called SPADS is given. SPADS is the result of the past seven years of software development on a Prime minicomputer located at the Scout Project Office. SPADS was developed as a single entry, multiple cross reference data management and information retrieval system for the automation of Project office tasks, including engineering, financial, managerial, and clerical support. The instructions to operate the Scout Project Information programs in data retrieval and file maintenance via the user friendly menu drivers is presented.

  14. User's operating procedures. Volume 2: Scout project financial analysis program

    NASA Technical Reports Server (NTRS)

    Harris, C. G.; Haris, D. K.

    1985-01-01

    A review is presented of the user's operating procedures for the Scout Project Automatic Data system, called SPADS. SPADS is the result of the past seven years of software development on a Prime mini-computer located at the Scout Project Office, NASA Langley Research Center, Hampton, Virginia. SPADS was developed as a single entry, multiple cross-reference data management and information retrieval system for the automation of Project office tasks, including engineering, financial, managerial, and clerical support. This volume, two (2) of three (3), provides the instructions to operate the Scout Project Financial Analysis program in data retrieval and file maintenance via the user friendly menu drivers.

  15. The Boy Scouts of America: Slowly Changing.

    PubMed

    Pynes, Joan E

    2016-01-01

    The Boy Scouts of America National Executive Board (BSA) recently changed its longstanding policy of excluding gay youth up to the age of 18. Gay participants of its coed Venturing program would be allowed to be members until the age of 21. However, lesbians and homosexuals are still not permitted to be troop leaders. This article discusses the evolution of the change in BSA's policy, discusses the timeline of other proposals in regard to BSA's acceptance of gay youth, and suggests that changes in public opinion and the reaction of BSAs stakeholders lead to changes in the BSA policy. The BSA made a change to become more compatible with the environment in which it operates.

  16. Phoenix--the first Mars Scout mission.

    PubMed

    Shotwell, Robert

    2005-01-01

    NASA has initiated the first of a new series of missions to augment the current Mars Program. In addition to the systematic series of planned, directed missions currently comprising the Mars Program plan, NASA has started a series of Mars Scout missions that are low cost, price fixed, Principal [correction of Principle] Investigator-led projects. These missions are intended to provide an avenue for rapid response to discoveries made as a result of the primary Mars missions, as well as allow more risky technologies and approaches to be applied in the investigation of Mars. The first in this new series is the Phoenix mission which was selected as part of a highly competitive process. Phoenix will use the Mars 2001 Lander that was discontinued in 2000 and apply a new set of science objectives and mission objectives and will validate this soft lander architecture for future applications. This paper will provide an overview of both the Program and the Project.

  17. Nondestructive testing of Scout rocket motors

    NASA Technical Reports Server (NTRS)

    Oaks, A. E.

    1972-01-01

    The nondestructive tests applied to Scout rocket motors were reviewed and appraised. Analytical techniques were developed to evaluate the capabilities of the radiographic and ultrasonic procedures used. Major problem areas found were the inadequacy of high voltage radiography for detecting unbonds and propellant cracks having narrow widths, the inability to relate the ultrasonic signals received from flat-bottomed holes in standards to those received from real defects and in the general area of the specification of acceptance criteria and how these were to be met. To counter the deficiencies noted, analyses were conducted to the potential utility of radiometric, acoustic, holographic and thermographic techniques for motor and nozzle bond inspection, a new approach to qualifying magnetic particle inspection and the application of acoustic emission analysis to the evaluation of proof and leak test data.

  18. Developmental Trajectories of Youth Character: A Five-Wave Longitudinal Study of Cub Scouts and Non-Scout Boys.

    PubMed

    Wang, Jun; Ferris, Kaitlyn A; Hershberg, Rachel M; Lerner, Richard M

    2015-12-01

    Youth development programs, such as the Boy Scouts of America, aim to develop positive attributes in youth (e.g., character virtues, prosocial behaviors, and positive civic actions), which are necessary for individuals and societies to flourish. However, few developmental studies have focused on how specific positive attributes develop through participation in programs such as the Boy Scouts of America. As part of the Character and Merit Project, this article examined the developmental trajectories of character and other positive attributes, which are of focal concern of the Boy Scouts of America and the developmental literature. Data were collected from 1398 Scouts (M = 8.59 years, SD = 1.29 years, Range 6.17-11.92 years) and 325 non-Scout boys (M = 9.06 years, SD = 1.43 years, Range 6.20-11.81 years) over five waves of testing across a two-and-half-year period. Latent growth-curve analyses of self-report survey data examined the developmental trajectories of the attributes. Older youth rated themselves lower than younger participants on helpfulness, reverence, thriftiness, and school performance. However, all youth had moderately high self-ratings on all the attributes. Across waves, Scouts' self-ratings increased significantly for cheerfulness, helpfulness, kindness, obedience, trustworthiness, and hopeful future expectations. Non-Scout boys' self-ratings showed no significant change for any attributes except for a significant decrease in religious reverence among non-Scout boys from religious institutions. We discuss implications for positive youth development and for the role of the Boy Scouts of America programming in character development.

  19. MH-60 Seahawk/MQ-8 Fire Scout Interoperability

    DTIC Science & Technology

    2010-09-27

    RADAR SAR/ ISAR FLIR Tracks ESM IFF • Fire Scout EO FLIR AIS 83 2. Alternative-1 Alternative-1 improves upon the baseline... RADAR to be incorporated into the Fire Scout, but both have the capability for automatic detection and tracking . This automated capability enables...maintained. Automatic track generation, long range and 360-degree RADAR coverage capabilities result in highly efficient Phase I activities. The

  20. 1972 Report to Congress: Boy Scouts of America.

    ERIC Educational Resources Information Center

    Boy Scouts of America, New Brunswick, NJ.

    BOYPOWER '76 is an eight-year, long-range plan with emphasis on members and units, trained unit leaders, and national standard units. In the annual report to Congress of the Boy Scouts of America, charts are provided as an analysis tool for studying the progress of the Boy Scouts as it relates to BOYPOWER '76 and its monthly and final objectives.…

  1. Evaluating Boy Scout Geology Education, A Pilot Study

    NASA Astrophysics Data System (ADS)

    Hintz, R. S.; Thomson, B.

    2008-12-01

    This study investigated geology knowledge acquisition by Boy Scouts through use of the Boy Scout Geology Merit Handbook. In this study, boys engaged in hands-on interactive learning following the requirements set forth in the Geology Merit Badge Handbook. The purposes of this study were to determine the amount of geology content knowledge engendered in adolescent males through the use of the Geology Merit Badge Handbook published by the Boy Scouts of America; to determine if single sex, activity oriented, free-choice learning programs can be effective in promoting knowledge development in young males; and to determine if boys participating in the Scouting program believed their participation helped them succeed in school. Members of a local Boy Scout Troop between the ages of 11 and 18 were invited to participate in a Geology Merit Badge program. Boys who did not already possess the badge were allowed to self-select participation. The boys' content knowledge of geology, rocks, and minerals was pre- and post-tested. Boys were interviewed about their school and Scouting experiences; whether they believed their Scouting experiences and work in Merit Badges contributed to their success in school. Contributing educational theories included single-sex education, informal education with free-choice learning, learning styles, hands-on activities, and the social cognitive theory concept of self-efficacy. Boys who completed this study seemed to possess a greater knowledge of geology than they obtained in school. If boys who complete the Boy Scout Geology Merit Badge receive additional geological training, their field experiences and knowledge acquired through this learning experience will be beneficial, and a basis for continued scaffolding of geologic knowledge.

  2. Scouts: Using Numbers to Explore Mars In Situ

    NASA Technical Reports Server (NTRS)

    Blaney, D. L.; Wilson, G. R.

    2000-01-01

    Mars is a planet with a complex geologic history involving fluvial, volcanic, aeolian, atmospheric, and impact processes. Many critical questions about Mars are still heatedly debated within the scientific community and we still have much to discover. The current Mars exploration philosophy involves remote observation of the planet from orbit and intensive in situ study of a few sites on the surface. Orbital data provides a global picture while in situ investigations provide detailed knowledge at a single location. Mars Scouts are proposed to provide access to multiple locations on Mars. They address the emerging program needs of exploring the diversity of the planet globally in ways that cannot be achieved from orbit. The goal of the Scout is to find a way to investigate many locations on the surface of Mars in an affordable and efficient manner. We have only visited three locations on the surface of Mars, which have very similar characteristics. Increased numbers allows more types of locations to be investigated. The hallmarks of Scouts are numbers and access. Thus the capability of a single Scout will be limited. The science return from a single Scout will be significantly less than from a large science lander or an orbiting spacecraft. Scouts rely on their numbers to collectively provide a substantial increase in our knowledge of Mars. Scouts potentially serve two purposes in the Mars exploration architecture. First, Scouts are a science exploration tool. They provide access to places on Mars we currently can't explore because program focus, surface roughness, elevation, or latitude that we know are scientifically interesting. Scouts can react to new discoveries and evolving ideas about Mars. They can be used to test theories which until proven would not warrant the investment of a large lander. Second, Scouts enable better large scale missions by providing ground truth of remote sensing data and allowing us to "know" sites in advance before sending large

  3. Scouts: Using Numbers to Explore Mars In Situ

    NASA Astrophysics Data System (ADS)

    Blaney, D. L.; Wilson, G. R.

    2000-07-01

    Mars is a planet with a complex geologic history involving fluvial, volcanic, aeolian, atmospheric, and impact processes. Many critical questions about Mars are still heatedly debated within the scientific community and we still have much to discover. The current Mars exploration philosophy involves remote observation of the planet from orbit and intensive in situ study of a few sites on the surface. Orbital data provides a global picture while in situ investigations provide detailed knowledge at a single location. Mars Scouts are proposed to provide access to multiple locations on Mars. They address the emerging program needs of exploring the diversity of the planet globally in ways that cannot be achieved from orbit. The goal of the Scout is to find a way to investigate many locations on the surface of Mars in an affordable and efficient manner. We have only visited three locations on the surface of Mars, which have very similar characteristics. Increased numbers allows more types of locations to be investigated. The hallmarks of Scouts are numbers and access. Thus the capability of a single Scout will be limited. The science return from a single Scout will be significantly less than from a large science lander or an orbiting spacecraft. Scouts rely on their numbers to collectively provide a substantial increase in our knowledge of Mars. Scouts potentially serve two purposes in the Mars exploration architecture. First, Scouts are a science exploration tool. They provide access to places on Mars we currently can't explore because program focus, surface roughness, elevation, or latitude that we know are scientifically interesting. Scouts can react to new discoveries and evolving ideas about Mars. They can be used to test theories which until proven would not warrant the investment of a large lander. Second, Scouts enable better large scale missions by providing ground truth of remote sensing data and allowing us to "know" sites in advance before sending large

  4. Concept for Mars Volcanic Emission Life Scout

    NASA Technical Reports Server (NTRS)

    2004-01-01

    This artist's rendition depicts a concept for a Mars orbiter that would scrutinize the martian atmosphere for chemical traces of life or environments supportive of life that might be present anywhere on the planet.

    The concept is named the Mars Volcanic Emission and Life Scout, or Marvel. It would equip a Mars orbiter with two types of instruments proven useful in studying Earth's atmosphere from Earth orbit. One, a solar occultation infrared spectrometer, would look sideways through Mars' atmosphere toward the setting or rising Sun for an extremely sensitive reading of what chemicals are in the air that sunlight passes through before hitting the instrument. The other, a submillimeter spectrometer would survey the atmosphere continuously, including during dust storms and polar night, to seek localized surface sources of the chemicals of interest. The infrared spectrometer has very high sensitivity for one chemical of great interest: methane, which is produced by many types of microbes, as well as by some volcanic sources. The submillimeter spectrometer has very high sensitivity for water vapor. Localized concentrations of water vapor in the atmosphere could identify places where subsurface water sources may be venting.

  5. Concept for Mars Volcanic Emission Life Scout

    NASA Technical Reports Server (NTRS)

    2004-01-01

    This artist's rendition depicts a concept for a Mars orbiter that would scrutinize the martian atmosphere for chemical traces of life or environments supportive of life that might be present anywhere on the planet.

    The concept is named the Mars Volcanic Emission and Life Scout, or Marvel. It would equip a Mars orbiter with two types of instruments proven useful in studying Earth's atmosphere from Earth orbit. One, a solar occultation infrared spectrometer, would look sideways through Mars' atmosphere toward the setting or rising Sun for an extremely sensitive reading of what chemicals are in the air that sunlight passes through before hitting the instrument. The other, a submillimeter spectrometer would survey the atmosphere continuously, including during dust storms and polar night, to seek localized surface sources of the chemicals of interest. The infrared spectrometer has very high sensitivity for one chemical of great interest: methane, which is produced by many types of microbes, as well as by some volcanic sources. The submillimeter spectrometer has very high sensitivity for water vapor. Localized concentrations of water vapor in the atmosphere could identify places where subsurface water sources may be venting.

  6. Mike Mumma, Astrobiologist

    NASA Image and Video Library

    Astrobiology is the study of the origin, evolution, distribution, and future of life in the universe. The Goddard Center for Astrobiology and the NASA Astrobiology Institute focus on this amazing f...

  7. A Field Application of Situational Leadership: A Critique of The Boy Scouts of America

    ERIC Educational Resources Information Center

    Weinberg, Sanford B.

    1977-01-01

    Examines the 1972 revisions in the internal organizational policies of the National Council of the Boy Scouts of America. Contends that investigation in a field setting demonstrates the continuation of a basic flaw in the scouting leadership system. (MH)

  8. Test Plan - Solids Accumulation Scouting Studies

    SciTech Connect

    Duignan, M. R.; Steeper, T. J.; Steimke, J. L.; Fowley, M. D.

    2012-05-10

    This plan documents the highlights of the Solids Accumulations Scouting Studies test; a project, from Washington River Protection Solutions (WRPS), that began on February 1, 2012. During the last 12 weeks considerable progress has been made to design and plan methods that will be used to estimate the concentration and distribution of heavy fissile solids in accumulated solids in the Hanford double-shell tank (DST) 241-AW-105 (AW-105), which is the primary goal of this task. This DST will be one of the several waste feed delivery staging tanks designated to feed the Pretreatment Facility (PTF) of the Waste Treatment and Immobilization Plant (WTP). Note that over the length of the waste feed delivery mission AW-105 is currently identified as having the most fill empty cycles of any DST feed tanks, which is the reason for modeling this particular tank. At SRNL an existing test facility, the Mixing Demonstration Tank, which will be modified for the present work, will use stainless steel particles in a simulant that represents Hanford waste to perform mock staging tanks transfers that will allow solids to accumulate in the tank heel. The concentration and location of the mock fissile particles will be measured in these scoping studies to produce information that will be used to better plan larger scaled tests. Included in these studies is a secondary goal of developing measurement methods to accomplish the primary goal. These methods will be evaluated for use in the larger scale experiments. Included in this plan are the several pretest activities that will validate the measurement techniques that are currently in various phases of construction. Aspects of each technique, e.g., particle separations, volume determinations, topographical mapping, and core sampling, have been tested in bench-top trials, as discussed herein, but the actual equipment to be employed during the full test will need evaluation after fabrication and integration into the test facility.

  9. Collaborating with Planetaria to Improve Girl Scout's Appreciation of Astronomy

    NASA Technical Reports Server (NTRS)

    Adams, Mitzi; Phillips, Tony; Whitt, April

    2003-01-01

    We have collaborated with two planetaria, Fernbank Science Center's Jim Cherry planetarium in Atlanta, Georgia and the Von Braun Planetarium in Huntsville, Alabama to enhance the appreciation of various astronomical topics among Girl Scouts. Major events sponsored by our partnership were sleepovers in the planetaria during which we studied the total solar eclipse of June 2001 and observed the Eta Aquarid meteor shower of May 2003. Other events included programs on stellar spectroscopy and space physics. As an added inducement for participation, we have sponsored the production of "pins", which Girl Scouts can earn after satisfying specific requirements. This poster will show samples of the pins, requirements, and online resources for the Girl Scouts.

  10. Teaming Up with Girl Scouts for Online Nutrition Information

    PubMed Central

    Pullen, Kimberly; Tucker, Betty; Tarver, Talicia

    2013-01-01

    Three librarians at LSU Health Shreveport partnered with staff members at the Shreveport service center staff of the Girl Scouts of Louisiana – Pines to the Gulf to teach girls about nutrition. The librarians provided instruction to the staff on healthelinks, MedlinePlus, and the other National Library of Medicine databases. They worked with the staff to incorporate these online resources into the nutrition curriculum for the Girl Scout leaders to use with their troops. They also provided two laptop computers, promotional items, and teaching aids. The program was repeated in the summer for week-long day camps designed to introduce girls to Scouting. The librarians had the opportunity to work directly with over one hundred girls at these camps to introduce them to authoritative, age-appropriate web sites on nutrition. PMID:24223515

  11. Collaborating with Planetaria to Improve Girl Scout's Appreciation of Astronomy

    NASA Technical Reports Server (NTRS)

    Adams, Mitzi; Phillips, Tony; Whitt, April

    2003-01-01

    We have collaborated with two planetaria, Fernbank Science Center's Jim Cherry planetarium in Atlanta, Georgia and the Von Braun Planetarium in Huntsville, Alabama to enhance the appreciation of various astronomical topics among Girl Scouts. Major events sponsored by our partnership were sleepovers in the planetaria during which we studied the total solar eclipse of June 2001 and observed the Eta Aquarid meteor shower of May 2003. Other events included programs on stellar spectroscopy and space physics. As an added inducement for participation, we have sponsored the production of "pins", which Girl Scouts can earn after satisfying specific requirements. This poster will show samples of the pins, requirements, and online resources for the Girl Scouts.

  12. CryoScout: A Descent Through the Mars Polar Cap

    NASA Technical Reports Server (NTRS)

    Hecht, M. H.; Saunders, R. S.

    2003-01-01

    CryoScout was proposed as a subsurface investigation of the stratigraphic climate record embedded in Mars North Polar cap. After landing on a gentle landscape in the midst of the mild summer season, CryoScout was to use the continuous polar sunlight to power the descent of a cryobot, a thermal probe, into the ice at a rate of about 1 m per day. CryoScout would probe deep enough into this time capsule to see the effects of planetary obliquity variations and discrete events such as dust storms or volcanic eruptions. By penetrating tens of meters of ice, the mission would explore at least one of the dominant "MOC layers" observed in exposed layered terrain.

  13. CryoScout: A Descent Through the Mars Polar Cap

    NASA Technical Reports Server (NTRS)

    Hecht, M. H.; Saunders, R. S.

    2003-01-01

    CryoScout was proposed as a subsurface investigation of the stratigraphic climate record embedded in Mars North Polar cap. After landing on a gentle landscape in the midst of the mild summer season, CryoScout was to use the continuous polar sunlight to power the descent of a cryobot, a thermal probe, into the ice at a rate of about 1 m per day. CryoScout would probe deep enough into this time capsule to see the effects of planetary obliquity variations and discrete events such as dust storms or volcanic eruptions. By penetrating tens of meters of ice, the mission would explore at least one of the dominant "MOC layers" observed in exposed layered terrain.

  14. 32 CFR 621.4 - Issues, loans, and donations for scouting.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... section provides information relative to issue, loan or donation of Government property to the Boy Scouts... Equipment and Providing of Transportation and Other Services to the Boy Scouts of America for World and... by area commanders is included as figure 7-5. (d) World and National Boy Scout Jamborees. The Act...

  15. 32 CFR 621.4 - Issues, loans, and donations for scouting.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... section provides information relative to issue, loan or donation of Government property to the Boy Scouts... Equipment and Providing of Transportation and Other Services to the Boy Scouts of America for World and... by area commanders is included as figure 7-5. (d) World and National Boy Scout Jamborees. The Act...

  16. 32 CFR 621.4 - Issues, loans, and donations for scouting.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... section provides information relative to issue, loan or donation of Government property to the Boy Scouts... Equipment and Providing of Transportation and Other Services to the Boy Scouts of America for World and... by area commanders is included as figure 7-5. (d) World and National Boy Scout Jamborees. The Act...

  17. Spreading the use of solar cooking by Girl Scouts

    SciTech Connect

    Pulliam, B.

    1992-12-31

    The author describes the advantages of using organizations such as the World Organization of Girl Guides and Girl Scouts to include solar cooking technology in their programs. The national organizations involved have researched the needs and resources of their countries and have developed plans to meet their unique needs. The need is great for contributions to purchase materials. This need would be best met with large grants to the World Organization of the Scouting movement where staff could provide oversight and evaluation of projects. Projects from several countries are presented as illustration.

  18. Phoenix - the First Mars Scout Mission

    NASA Technical Reports Server (NTRS)

    Goldstein, Barry; Shotwell, Robert

    2008-01-01

    As the first of the new Mars Scouts missions, the Phoenix project was selected by NASA in August of 2003. Four years later, almost to the day, Phoenix was launched from Cape Canaveral Air Station and successfully injected into an interplanetary trajectory on its way to Mars. This paper will highlight some of the key changes since the 2006 IEEE paper of the same name, as well as activities, challenges and problems encountered on the way to the launch pad. Phoenix Follows the water responding directly to the recently published data from Dr. William Boynton, PI (and Phoenix co-I) of the Mars Odyssey Gamma Ray Spectrometer (GRS). GRS data indicate extremely large quantities of water ice (up to 50% by mass) within the upper 50 cm of the northern polar regolith. Phoenix will land within the north polar region at 68.2 N, 233.4 W identified by GRS to harbor near surface water ice and provide in-situ confirmation of this extraordinary find. Our mission will investigate water in all its phases, and will investigate the history of water as evidenced in the soil characteristics that will be carefully examined by the powerful suite of onboard instrumentation. Access to the critical subsurface region expected to contain this information is made possible by a third generation robotic arm capable of excavating the expected Martian regolith to a depth of 1m. Phoenix has four primary science objectives: 1) Determine the polar climate and weather, interaction with the surface, and composition of the lower atmosphere around 70 N for at least 90 sols focusing on water, ice, dust, noble gases, and CO2. Determine the atmospheric characteristics during descent through the atmosphere. 2) Characterize the geomorphology and active processes shaping the northern plains and the physical properties of the near surface regolith focusing on the role of water. 3) Determine the aqueous mineralogy and chemistry as well as the adsorbed gases and organic content of the regolith. Verify the Odyssey

  19. Lunar scout: A Project Artemis proposal

    NASA Technical Reports Server (NTRS)

    1992-01-01

    The results of a student project to design a lunar lander in the context of a specifically defined mission are presented. The Lunar Scout will be launched from Cape Canaveral, Florida onboard a Delta II launch vehicle. The Delta II will carry the lander and its payload to a 1367 km orbit. Once it reaches that altitude, a STAR 48A solid rocket motor will kick the spacecraft into a lunar trajectory. After burnout of the lunar insertion motor, it will be jettisoned from the spacecraft. The flight from the earth to the moon will take approximately 106.4 hours. During this time the battery, which was fully charged prior to launch, will provide all power to the spacecraft. Every hour, the spacecraft will use its sun sensors and star trackers to update its position, maintain some stabilization and relay it back to earth using the dipole antennas. At the start of its lunar trajectory, the spacecraft will fire one of its 1.5 N thrusters to spin in at a very small rate. The main reason for this is to prevent one side of the spacecraft from overheating in the sun. When the spacecraft nears the moon, it will orient itself for the main retro burn. At an altitude of 200 km, a 4400 N bipropellant liquid thruster will ignite to slow the spacecraft. During the burn, the radar altimeter will be turned on to guide the spacecraft. The main retro rocket will slow the lander to 10 m/s at an approximate altitude of 40 km above the moon. From there, the space craft will use four 4.5 N hydrazine vertical thrusters and 1.5 N horizontal thrusters to guide the spacecraft to a soft landing. Once on the ground, the lander will shutoff the radar and attitude control systems. After the debris from the impact has settled, the six solar panels will be deployed to begin recharging the batteries and to power up the payload. The feedhorn antenna will then rotate to fix itself on the earth. Once it moves, it will stay in that position for the spacecraft's lifetime. The payload will then be activated to

  20. Quick Overview Scout 2008 Version 1.0

    EPA Science Inventory

    The Scout 2008 version 1.0 statistical software package has been updated from past DOS and Windows versions to provide classical and robust univariate and multivariate graphical and statistical methods that are not typically available in commercial or freeware statistical softwar...

  1. Girl Scouts: A Strong Ally for Rural Education.

    ERIC Educational Resources Information Center

    Ricard, Virginia B.

    With much to offer rural girls as well as much to learn from them, Girl Scouting is trying to reach more girls and adults in rural areas. The challenges include economic setbacks for farming, unemployment, isolated populations, and changing rural culture. Along with the challenges are the many resources of rural areas and the congruence between…

  2. Interest Projects for Cadette and Senior Girl Scouts.

    ERIC Educational Resources Information Center

    Ayala, Sandy; And Others

    Noting the importance of choosing a project that is interesting or relevant to one's personal goals, this manual provides activities which can be undertaken to earn cadette and senior level girl scout interest patches. Part 1 of the manual deals with procedures to develop an interest project, including working with consultants, interviewing,…

  3. Rule Interprets Law on Boy Scouts' Access to Schools

    ERIC Educational Resources Information Center

    Trotter, Andrew

    2006-01-01

    The Department of Education has issued final rules underscoring that school districts must accommodate the Boy Scouts of America and certain other youth groups that ask to use schools for meetings and recruitment. Schools risk loss of their federal education aid if they do not comply with the requirement included in the No Child Left Behind Act.…

  4. Interest Projects for Cadette and Senior Girl Scouts.

    ERIC Educational Resources Information Center

    Ayala, Sandy; And Others

    Noting the importance of choosing a project that is interesting or relevant to one's personal goals, this manual provides activities which can be undertaken to earn cadette and senior level girl scout interest patches. Part 1 of the manual deals with procedures to develop an interest project, including working with consultants, interviewing,…

  5. Quick Overview Scout 2008 Version 1.0

    EPA Science Inventory

    The Scout 2008 version 1.0 statistical software package has been updated from past DOS and Windows versions to provide classical and robust univariate and multivariate graphical and statistical methods that are not typically available in commercial or freeware statistical softwar...

  6. SCOUT: simultaneous time segmentation and community detection in dynamic networks

    PubMed Central

    Hulovatyy, Yuriy; Milenković, Tijana

    2016-01-01

    Many evolving complex real-world systems can be modeled via dynamic networks. An important problem in dynamic network research is community detection, which finds groups of topologically related nodes. Typically, this problem is approached by assuming either that each time point has a distinct community organization or that all time points share a single community organization. The reality likely lies between these two extremes. To find the compromise, we consider community detection in the context of the problem of segment detection, which identifies contiguous time periods with consistent network structure. Consequently, we formulate a combined problem of segment community detection (SCD), which simultaneously partitions the network into contiguous time segments with consistent community organization and finds this community organization for each segment. To solve SCD, we introduce SCOUT, an optimization framework that explicitly considers both segmentation quality and partition quality. SCOUT addresses limitations of existing methods that can be adapted to solve SCD, which consider only one of segmentation quality or partition quality. In a thorough evaluation, SCOUT outperforms the existing methods in terms of both accuracy and computational complexity. We apply SCOUT to biological network data to study human aging. PMID:27881879

  7. Oceanography. Boy Scouts of America Merit Badge Series.

    ERIC Educational Resources Information Center

    Boy Scouts of America, Irving, TX.

    Presented are various activities and projects intended to help Boy Scouts earn a merit badge in oceanography. Each project and/or activity is related to a requirement (objective) found in a list at the beginning of the booklet. Topic areas and/or related activities and projects include: (1) nature of oceanography (naming oceanography branches,…

  8. Near Earth Asteroid Scout Thrust and Torque Model

    NASA Technical Reports Server (NTRS)

    Heaton, Andrew; Ahmad, Naeem; Miller, Kyle

    2017-01-01

    The Near Earth Asteroid (NEA) Scout is a solar sail mission whose objective is to scout at least one Near Earth Asteroid in preparation for manned missions to asteroids. NEA Scout will use a solar sail as the primary means of propulsion. Thus it is important for mission planning to accurately characterize the thrust of the sail. Additionally, the solar sail creates a relatively large solar disturbance torque that must be mitigated. For early mission design studies a flat plate model of the solar sail with a fixed center of pressure was adequate, but as mission concepts and the sail design matured, greater fidelity was required. Here we discuss the progress to a three-dimensional sail model that includes the effects of tension and thermal deformation that has been derived from a large structural Finite Element Model (FEM) developed by the Langley Research Center. We have found that the deformed sail membrane affects torque relatively much more than thrust. We have also found that other than uncertainty over the precise shape, the effect of small (approximately millimeter scale) wrinkles on the diffusivity of the sail is the leading remaining source of uncertainty. We demonstrate that millimeter-scale wrinkles can be modeled analytically as a change in the fraction of specular reflection. Finally we discuss the implications of these results for the NEA Scout mission.

  9. SCOUT: simultaneous time segmentation and community detection in dynamic networks

    NASA Astrophysics Data System (ADS)

    Hulovatyy, Yuriy; Milenković, Tijana

    2016-11-01

    Many evolving complex real-world systems can be modeled via dynamic networks. An important problem in dynamic network research is community detection, which finds groups of topologically related nodes. Typically, this problem is approached by assuming either that each time point has a distinct community organization or that all time points share a single community organization. The reality likely lies between these two extremes. To find the compromise, we consider community detection in the context of the problem of segment detection, which identifies contiguous time periods with consistent network structure. Consequently, we formulate a combined problem of segment community detection (SCD), which simultaneously partitions the network into contiguous time segments with consistent community organization and finds this community organization for each segment. To solve SCD, we introduce SCOUT, an optimization framework that explicitly considers both segmentation quality and partition quality. SCOUT addresses limitations of existing methods that can be adapted to solve SCD, which consider only one of segmentation quality or partition quality. In a thorough evaluation, SCOUT outperforms the existing methods in terms of both accuracy and computational complexity. We apply SCOUT to biological network data to study human aging.

  10. Oceanography. Boy Scouts of America Merit Badge Series.

    ERIC Educational Resources Information Center

    Boy Scouts of America, Irving, TX.

    Presented are various activities and projects intended to help Boy Scouts earn a merit badge in oceanography. Each project and/or activity is related to a requirement (objective) found in a list at the beginning of the booklet. Topic areas and/or related activities and projects include: (1) nature of oceanography (naming oceanography branches,…

  11. Seeding Social Norms about Energy Conservation among Girl Scouts

    ERIC Educational Resources Information Center

    Bernstein, Debra; Puttick, Gillian

    2014-01-01

    Three studies examined whether a social norm message (SNM) to Girl Scouts who had completed an energy conservation program would impact behavior and attitudes. Studies 1 and 2 were conducted with girls recently completing the program, study 3 was conducted with girls completing the program one year earlier. Results suggest that the SNM may impact…

  12. Near Earth Asteroid Scout Solar Sail Thrust and Torque Model

    NASA Technical Reports Server (NTRS)

    Heaton, Andy; Ahmad, Naeem; Miller, Kyle

    2017-01-01

    The Near Earth Asteroid (NEA) Scout is a solar sail mission whose objective is to scout at least one Near Earth Asteroid to help prepare for human missions to Near Earth Asteroids. NEA Scout will launch as a secondary payload on the first SLS-Orion mission. NEA Scout will perform a small trim maneuver shortly after deploy from the spent SLS upper stage using a cold gas propulsion system, but from that point on will depend entirely on the solar sail for thrust. As such, it is important to accurately characterize the thrust of the sail in order to achieve mission success. Additionally, the solar sail creates a relatively large solar disturbance torque that must be mitigated. For early mission design studies a flat plate model of the solar sail with a fixed center of pressure was adequate, but as mission concepts and the sail design matured, greater fidelity was required. Here we discuss the progress to a three-dimensional sail model that includes the effects of tension and thermal deformation that has been derived from a large structural Finite Element Model (FEM) developed by the Langley Research Center. We have found that the deformed sail membrane affects torque relatively much more than thrust; a flat plate model could potentially model thrust well enough to close mission design studies, but a three-dimensional solar sail is essential to control system design. The three-dimensional solar sail model revealed that thermal deformations of unshielded booms would create unacceptably large solar disturbance torques. The original large FEM model was used in control and mission simulations, but was resulted in simulations with prohibitive run times. This led us to adapt the Generalized Sail Model (GSM) of Rios-Reyes. A design reference sail model has been baselined for NEA Scout and has been used to design the mission and control system for the sailcraft. Additionally, since NEA Scout uses reaction wheels for attitude pointing and control, the solar torque model is

  13. Speaking Spanish like a Boy Scout: Language Socialization, Resistance, and Reproduction in a Heritage Language Scout Troop

    ERIC Educational Resources Information Center

    Guardado, Martin

    2009-01-01

    This article offers a critical analysis of the language socialization of Spanish-speaking families in a Scout group in Metro Vancouver. Using tools of discourse analysis, the article examines the language use patterns of the participants, particularly focusing on the language ideologies to which they oriented themselves and the identities indexed…

  14. Scouting For Approval: Lessons on Medical Device Regulation in an Era of Crowdfunding from Scanadu's "Scout".

    PubMed

    Smith, Colleen

    2015-01-01

    Internet crowdfunding, a new and increasingly popular method of raising capital to develop products and businesses, has recently come into conflict with the Food and Drug Administration's (FDA's) regulation of medical devices. This Article examines the issues that arise when companies pre-sell medical devices via crowdfunding campaigns before gaining FDA approval of the devices. Because Internet crowdfunding has only been in use for a few years, little has been written about it academically, particularly about its interaction with FDA regulations. The rising interest in crowdfunding, coupled with the downturn in investment in the American medical device industry, make this a salient issue that is ripe for FDA review. This Article uses the crowdfunding campaign Scanadu, a medical device company, conducted in 2013 to raise money to develop its in-home diagnostic device, the "Scout," as a starting point for this analysis. Because it is extremely costly to develop a device and obtain FDA approval, medical device companies should be able to utilize crowdfunding to raise the necessary capital. However, because of the possible dangers medical devices pose, FDA needs to review the risks created by allowing companies to crowdfund medical devices and should issue guidance to help companies comply with FDA regulations while still allowing them to take advantage of the benefits of crowdfunding. This guidance should ensure the continued commitment to consumer safety that is at the core of FDA regulation.

  15. 76 FR 46325 - Agency Information Collection Activities: Proposed Collection; Comments Requested: Red Ribbon...

    Federal Register 2010, 2011, 2012, 2013, 2014

    2011-08-02

    ...: Red Ribbon Week Patch DEA Form 316 and 316A ACTION: 30-Day Notice of Information Collection under... Participate and Red Ribbon Week Patch Activity Report. (3) Agency form number, if any, and the applicable... the information from Boy/Girl Scout Troop Leaders that express an interest in participating in DEA Red...

  16. Gradient Scouting in Reversed-Phase HPLC Revisited

    ERIC Educational Resources Information Center

    Alcazar, A.; Jurado, J. M.; Gonzalez, A. G.

    2011-01-01

    Gradient scouting is the best way to decide the most suitable elution mode in reversed-phase high-performance liquid chromatography (RP-HPLC). A simple rule for this decision involves the evaluation of the ratio [delta]t/t[subscript G] (where [delta]t is the difference in the retention time between the last and the first peak and t[subscript G] is…

  17. Gradient Scouting in Reversed-Phase HPLC Revisited

    ERIC Educational Resources Information Center

    Alcazar, A.; Jurado, J. M.; Gonzalez, A. G.

    2011-01-01

    Gradient scouting is the best way to decide the most suitable elution mode in reversed-phase high-performance liquid chromatography (RP-HPLC). A simple rule for this decision involves the evaluation of the ratio [delta]t/t[subscript G] (where [delta]t is the difference in the retention time between the last and the first peak and t[subscript G] is…

  18. Injury surveillance at the 1985 National Boy Scout Jamboree.

    PubMed

    Wetterhall, S F; Waxweiler, R J

    1988-01-01

    Few studies have examined the rate of injuries for those attending summer camps and other recreational facilities. We developed a surveillance system for the 1985 National Boy Scout Jamboree to determine the incidence, nature, and cause of injuries among participants. To characterize the more severe injuries among scouts, we monitored referral visits to an onsite Army hospital. During the 9 day event there was a total of 179 injuries requiring referral visits among the 24,885 scouts, for an overall incidence of 8.5 injuries per 10,000 person-days. Twenty-eight injuries (16%) involved fractures. Ten injuries required hospitalization, for an overall rate of 0.5 per 10,000 person-days. Thirty-six (20%) of the injuries occurred during six organized athletic activities. Of these six, two new Jamboree activities, the bucking bronco and bicycle motocross racing, had the highest event-specific rates, 14.4 and 11.4 injuries per 10,000 participants, respectively. These two events also accounted for one-third of all fractures. In contrast, there were no firearm-related injuries among the 32,616 participants in riflery events. This simple and inexpensive surveillance system provided a mechanism for monitoring activity modifications, as well as useful information for the selection and planning of organized activities at future Jamborees and similar recreational events.

  19. Astronomy Patch Day: An Interactive Astronomy Experience for Girl Scouts

    NASA Astrophysics Data System (ADS)

    Knierman, K. A.; McCarthy, D. W.; Schutz, K.

    2005-12-01

    To help encourage a new generation of women in science, we have created Astronomy Patch Day for the Sahuaro Girl Scout Council in Tucson, Arizona. This all-day event is an interactive experience for Girl Scouts ages 5-18 to learn about astronomical concepts and women in astronomy. Our first Astronomy Patch Day, held on March 19, 2005, in conjunction with the Sahuaro Council's annual Science, Math, and Related Technologies (SMART) program, was very successful, reaching about 150-200 girls and their leaders. Individual troops rotated every half hour among our six activity booths: Earth-Moon, Solar System, Stars, Galaxies, Universe, and Ask an Astronomer, which were staffed by trained Girl Scout Leaders as well as faculty, post-doctoral researchers, and graduate students from Steward Observatory. To earn a patch, younger girls (ages 5-12) had to complete activities at three booths and older girls had to complete all six activities. Positive feedback for this event was received from both the girls and leaders. We plan to hold Astronomy Patch Day annually, possibly with different and/or additional activities in future years. K. Knierman is supported by an Arizona/NASA Space Grant Fellowship. This outreach program is supported by NIRCam/JWST E/PO.

  20. SCOUT: A Fast Monte-Carlo Modeling Tool of Scintillation Camera Output

    PubMed Central

    Hunter, William C. J.; Barrett, Harrison H.; Lewellen, Thomas K.; Miyaoka, Robert S.; Muzi, John P.; Li, Xiaoli; McDougald, Wendy; MacDonald, Lawrence R.

    2011-01-01

    We have developed a Monte-Carlo photon-tracking and readout simulator called SCOUT to study the stochastic behavior of signals output from a simplified rectangular scintillation-camera design. SCOUT models the salient processes affecting signal generation, transport, and readout. Presently, we compare output signal statistics from SCOUT to experimental results for both a discrete and a monolithic camera. We also benchmark the speed of this simulation tool and compare it to existing simulation tools. We find this modeling tool to be relatively fast and predictive of experimental results. Depending on the modeled camera geometry, we found SCOUT to be 4 to 140 times faster than other modeling tools. PMID:22072297

  1. Scout: orbit analysis and hazard assessment for NEOCP objects

    NASA Astrophysics Data System (ADS)

    Farnocchia, Davide; Chesley, Steven R.; Chamberlin, Alan B.

    2016-10-01

    It typically takes a few days for a newly discovered asteroid to be officially recognized as a real object. During this time, the tentative discovery is published on the Minor Planet Center's Near-Earth Object Confirmation Page (NEOCP) until additional observations confirm that the object is a real asteroid rather than an observational artifact or an artificial object. Also, NEOCP objects could have a limited observability window and yet be scientifically interesting, e.g., radar and lightcurve targets, mini-moons (temporary Earth captures), mission accessible targets, close approachers or even impactors. For instance, the only two asteroids discovered before an impact, 2008 TC3 and 2014 AA, both reached the Earth less than a day after discovery. For these reasons we developed Scout, an automated system that provides an orbital and hazard assessment for NEOCP objects within minutes after the observations are available. Scout's rapid analysis increases the chances of securing the trajectory of interesting NEOCP objects before the ephemeris uncertainty grows too large or the observing geometry becomes unfavorable. The generally short observation arcs, perhaps only a few hours or even less, lead severe degeneracies in the orbit estimation process. To overcome these degeneracies Scout relies on systematic ranging, a technique that derives possible orbits by scanning a grid in the poorly constrained space of topocentric range and range rate, while the plane-of-sky position and motion are directly tied to the recorded observations. This scan allows us to derive a distribution of the possible orbits and in turn identify the NEOCP objects of most interest to prioritize followup efforts. In particular, Scout ranks objects according to the likelihood of an impact, estimates the close approach distance, the Earth-relative minimum orbit intersection distance and v-infinity, and computes scores to identify objects more likely to be an NEO, a km-sized NEO, a Potentially

  2. Outbreak of Neisseria meningitidis capsular group W among scouts returning from the World Scout Jamboree, Japan, 2015

    PubMed Central

    Smith-Palmer, Alison; Oates, Ken; Webster, Diana; Taylor, Sarah; Scott, Kevin J; Smith, Gemma; Parcell, Benjamin; Lindstrand, Ann; Wallensten, Anders; Fredlund, Hans; Widerström, Micael; McMenamin, Jim

    2016-01-01

    The 23rd World Scout Jamboree was held in Japan from 28 July to 8 August 2015 and was attended by over 33,000 scouts from 162 countries. An outbreak of invasive meningococcal disease capsular group W was investigated among participants, with four confirmed cases identified in Scotland, who were all associated with one particular scout unit, and two confirmed cases in Sweden; molecular testing showed the same strain to be responsible for illness in both countries. The report describes the public health action taken to prevent further cases and the different decisions reached with respect to how wide to extend the offer of chemoprophylaxis in the two countries; in Scotland, chemoprophylaxis was offered to the unit of 40 participants to which the four cases belonged and to other close contacts of cases, while in Sweden chemoprophylaxis was offered to all those returning from the Jamboree. The report also describes the international collaboration and communication required to investigate and manage such multinational outbreaks in a timely manner. PMID:27918267

  3. Being Prepared: The Application of Character Building and the Beginning of the Boy Scouts of America.

    ERIC Educational Resources Information Center

    Phelps, Richard

    The beginnings of the Boy Scouts are traced, with particular emphasis on ideological foundation, social reform objectives of the founders (Sir Robert Baden-Powell, Daniel Carter Beard, and Ernest Thompson) and its relationship to other reform movements of the Progressive Era. The philosophical base of scouting is characterized as: 1) a…

  4. Art, Boys, and the Boy Scout Movement: Lord Baden-Powell

    ERIC Educational Resources Information Center

    Chalmers, F. Graeme; Dancer, Andrea A.

    2007-01-01

    Robert Stephenson Smyth Baden-Powell (1857-1941), founder of the Boy Scout Movement in 1907, was a British military hero during the Boer War. Within an ethos and era of empire-building, athleticism, soldier-heroes and the pursuit of "manliness," Baden-Powell valued the arts and adapted his artistic skill to his wartime and Scouting activities. His…

  5. Green is for growing: the Girl Scout experience with environmental programs

    Treesearch

    Mary A. Rhomberg

    1977-01-01

    With neighborhood organization, program flexibility, and child participation in the planning and implementation of activities, the Girl Scout program is designed to be highly responsive to the varying needs of individual groups of girls. There is no fixed agenda or focus on a single aspect of environmental education. Instead, the Girl Scout concept of total environment...

  6. 32 CFR 621.4 - Issues, loans, and donations for scouting.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 23 January 1973, Subject: Military Transportation Support for Boy Scout Jamborees; and Memo of 19 August 1974, Subject: Military Transportation Support for Boy Scout Jamborees, the DOD is authorized to... Book Officer is authorized direct communication with the source of supply, other military department...

  7. 32 CFR 621.4 - Issues, loans, and donations for scouting.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 23 January 1973, Subject: Military Transportation Support for Boy Scout Jamborees; and Memo of 19 August 1974, Subject: Military Transportation Support for Boy Scout Jamborees, the DOD is authorized to... is authorized direct communication with the source of supply, other military department liaison...

  8. The Control of Sexuality in the Early British Boy Scouts Movement

    ERIC Educational Resources Information Center

    Pryke, Sam

    2005-01-01

    This article looks at the way in which the early (1907-1922) British Boy Scouts movement attempted to control sexuality through archival examination of the organization's preoccupation with preventing masturbation or, as it was generally referred to, "self abuse". Having briefly outlined the origination and nature of the Scouts, it considers why…

  9. The Control of Sexuality in the Early British Boy Scouts Movement

    ERIC Educational Resources Information Center

    Pryke, Sam

    2005-01-01

    This article looks at the way in which the early (1907-1922) British Boy Scouts movement attempted to control sexuality through archival examination of the organization's preoccupation with preventing masturbation or, as it was generally referred to, "self abuse". Having briefly outlined the origination and nature of the Scouts, it considers why…

  10. Thermal Design Validation of the Mars Scout Phoenix Payload

    NASA Technical Reports Server (NTRS)

    Tsuyuki, Glenn T.; Lee, Chern-Jiin

    2007-01-01

    This slide presentation reviews the validation of the thermal design for the Mars Scout Phoenix Payload. It includes a description of the Phoenix Mission, the science objectives, the timeline, and the flight system and payloads that were on the lander. The initial responsibility for the development and validation the thermal design was with the developers. This process lacked overall system engineering, there was a difference of thermal expertise, and the number of institutions involved complicated the interactions. The revised approach for payload thermal design validation is described.

  11. A Cost Benefit Analysis of Fire Scout Vertical Takeoff and Landing Tactical Unmanned Aerial Vehicle (VTUAV) Operator Alternatives

    DTIC Science & Technology

    2012-03-01

    2012). 25 This deployment is part of an ongoing effort to determine manning for Fire Scout. According to Captain Patrick Smith , Fire Scout program...William Vann , and Frank Wood. MQ-8B Fire Scout Program Support Analysis. EMBA Project Report, Monterey: Naval Postgraduate School, 2009, 14. Gertler

  12. Comparison of standardized clinical evaluation of wounds using ruler length by width and Scout length by width measure and Scout perimeter trace.

    PubMed

    Langemo, Diane; Spahn, James; Spahn, Thomas; Pinnamaneni, V Chowdry

    2015-03-01

    The study objective was to examine precision in wound measurement using a recently Food and Drug Administration-approved Scout (WoundVision, LLC, Indianapolis, Indiana) device to measure wound length (L) and width (W). Wound perimeter and a ruler measurement of L and W were also made. Images of 40 actual patient wounds were measured using the Scout device. All 3 techniques (length, width, perimeter) demonstrated acceptable within and between reader precision; however, the best precision was in wound perimeter measurement.

  13. Design and Development of NEA Scout Solar Sail Deployer Mechanism

    NASA Technical Reports Server (NTRS)

    Sobey, Alexander R.; Lockett, Tiffany Russell

    2016-01-01

    The 6U (approximately10cm x 20cm x 30cm) cubesat Near Earth Asteroid (NEA) Scout, projected for launch in September 2018 aboard the maiden voyage of the Space Launch System (SLS), will utilize a solar sail as its main method of propulsion throughout its approximately 3 year mission to a near earth asteroid. Due to the extreme volume constraints levied onto the mission, an acutely compact solar sail deployment mechanism has been designed to meet the volume and mass constraints, as well as provide enough propulsive solar sail area and quality in order to achieve mission success. The design of such a compact system required the development of approximately half a dozen prototypes in order to identify unforeseen problems and advance solutions. Though finite element analysis was performed during this process in an attempt to quantify forces present within the mechanism during deployment, both the boom and the sail materials do not lend themselves to achieving high-confidence results. This paper focuses on the obstacles of developing a solar sail deployment mechanism for such an application and the lessons learned from a thorough development process. The lessons presented here will have significant applications beyond the NEA Scout mission, such as the development of other deployable boom mechanisms and uses for gossamer-thin films in space.

  14. Design and Development of NEA Scout Solar Sail Deployer Mechanism

    NASA Technical Reports Server (NTRS)

    Sobey, Alexander R.; Lockett, Tiffany Russell

    2016-01-01

    The 6U (approximately 10cm x 20cm x 30cm) cubesat Near Earth Asteroid (NEA) Scout1, projected for launch in September 2018 aboard the maiden voyage of the Space Launch System (SLS), will utilize a solar sail as its main method of propulsion throughout its approximately 3 year mission to a Near Earth Asteroid (NEA). Due to the extreme volume constraints levied onto the mission, an acutely compact solar sail deployment mechanism has been designed to meet the volume and mass constraints, as well as provide enough propulsive solar sail area and quality in order to achieve mission success. The design of such a compact system required the development of approximately half a dozen prototypes in order to identify unforeseen problems, advance solutions, and build confidence in the final design product. This paper focuses on the obstacles of developing a solar sail deployment mechanism for such an application and the lessons learned from a thorough development process. The lessons presented will have significant applications beyond the NEA Scout mission, such as the development of other deployable boom mechanisms and uses for gossamer-thin films in space.

  15. Design and Development of NEA Scout Solar Sail Deployer Mechanism

    NASA Technical Reports Server (NTRS)

    Sobey, Alexander R.; Lockett, Tiffany Russell

    2016-01-01

    The 6U (approx.10 cm x 20 cm x 30 cm) cubesat Near Earth Asteroid (NEA) Scout1, projected for launch in September 2018 aboard the maiden voyage of the Space Launch System, will utilize a solar sail as its main method of propulsion throughout its approx.3-year mission to a Near Earth Asteroid. Due to the extreme volume constraints levied onto the mission, an acutely compact solar sail deployment mechanism has been designed to meet the volume and mass constraints, as well as provide enough propulsive solar sail area and quality in order to achieve mission success. The design of such a compact system required the development of approximately half a dozen prototypes in order to identify unforeseen problems, advance solutions, and build confidence in the final design product. This paper focuses on the obstacles of developing a solar sail deployment mechanism for such an application and the lessons learned from a thorough development process. The lessons presented will have significant applications beyond the NEA Scout mission, such as the development of other deployable boom mechanisms and uses for gossamer-thin films in space.

  16. Scout-view Assisted Interior Micro-CT

    PubMed Central

    Sen Sharma, Kriti; Holzner, Christian; Vasilescu, Dragoş M.; Jin, Xin; Narayanan, Shree; Agah, Masoud; Hoffman, Eric A.; Yu, Hengyong; Wang, Ge

    2013-01-01

    Micro computed tomography (micro-CT) is a widely-used imaging technique. A challenge of micro-CT is to quantitatively reconstruct a sample larger than the field-of-view (FOV) of the detector. This scenario is characterized by truncated projections and associated image artifacts. However, for such truncated scans, a low resolution scout scan with an increased FOV is frequently acquired so as to position the sample properly. This study shows that the otherwise discarded scout scans can provide sufficient additional information to uniquely and stably reconstruct the interior region of interest. Two interior reconstruction methods are designed to utilize the multi-resolution data without a significant computational overhead. While most previous studies used numerically truncated global projections as interior data, this study uses truly hybrid scans where global and interior scans were carried out at different resolutions. Additionally, owing to the lack of standard interior micro-CT phantoms, we designed and fabricated novel interior micro-CT phantoms for this study to provide means of validation for our algorithms. Finally, two characteristic samples from separate studies were scanned to show the effect of our reconstructions. The presented methods show significant improvements over existing reconstruction algorithms. PMID:23732478

  17. Mars Phoenix Scout Thermal Evolved Gas Analyzer (TEGA) Database: Thermal Database Development and Analysis

    NASA Technical Reports Server (NTRS)

    Sutter, B.; Archer, D.; Niles, P. B.; Stein, T. C.; Hamara, D.; Boynton, W. V.; Ming, D. W.

    2017-01-01

    The Mars Phoenix Scout Lander mission in 2008 examined the history of water, searched for organics, and evaluated the potential for past/present microbial habitability in a martian arctic ice-rich soil [1]. The Thermal Evolved Gas Analyzer (TEGA) instrument measured the isotopic composition of atmospheric CO2 and detected volatile bearing mineralogy (perchlorate, carbonate, hydrated mineral phases) in the martian soil [2-7]. The TEGA data are archived at the Planetary Data System (PDS) Geosciences Node but are reported in forms that require further processing to be of use to the non-TEGA expert. The soil and blank TEGA thermal data are reported as duty cycle and must be converted to differential power (mW) to allow for enthalpy calculations of exothermic/endothermic transitions. The exothermic/endothermic temperatures are also used to determine what phases (inorganic/organic) are present in the sample. The objectives of this work are to: 1) Describe how interpretable thermal data can be created from TEGA data sets on the PDS and 2) Provide additional thermal data interpretation of two Phoenix soils (Baby Bear, Wicked Witch) and include interpretations from three unreported soils (Rosy Red 1, 2, and Burning Coals).

  18. Fat practices and consumption among African-American adolescent Boy Scouts: the impact of meal source.

    PubMed

    Cullen, Karen Weber; Bishop, Reyna G; de Moor, Carl

    2002-01-01

    This study investigated the fat consumption and dietary fat practices of 183 African-American Boy Scouts, members of urban (low socioeconomic status [SES]) and church-affiliated (middle SES) troops by meal source. The scouts completed 2 24-hour dietary recalls. Total kilocalories (kcal), % kcal from fat and saturated fat, and high and low fat practices were calculated by meal location (home, school, restaurant). About 50% of all meals were eaten at home, 35% at school, and 15% in restaurants. Scouts consumed greater than the recommended amounts of total kcal from fat and saturated fat at all meal locations. Low SES scouts reported more school meals, and fewer home and restaurant meals compared with middle SES scouts. For all scouts, restaurant meals were associated with less healthy dietary fat behaviors and higher kcal consumption. Scouts consuming 2 school meals reported more low fat practices compared to those eating one school meal. Interventions targeting African-American adolescents should focus on building skills for choosing low-fat foods at all meal locations, particularly restaurants.

  19. Supervisory controlled operations of UAVs for tracking and surveillance of vehicle targets (SCOUTS)

    NASA Astrophysics Data System (ADS)

    Fischer, Amber; Denny, Nathan

    2008-04-01

    In this paper, we present SCOUTS, an autonomous system for the allocation of multiple small UAVs equipped with video sensors specifically geared to tracking and reacquisition of vehicle targets in urban environments. To demonstrate SCOUTS performance, we test our system in a simulation incorporating the key challenges encountered by real-time UAV tracking scenarios, including unreliable reports from poor image quality, disruption latency in communication, and temporary gaps in persistent surveillance requiring target re-acquisition strategies. The results provided in this paper establish SCOUTS as a robust approach to this challenging problem.

  20. Considerations Affecting Satellite and Space Probe Research with Emphasis on the "Scout" as a Launch Vehicle

    NASA Technical Reports Server (NTRS)

    Posner, Jack (Editor)

    1961-01-01

    This report reviews a number of the factors which influence space flight experiments. Included are discussions of payload considerations, payload design and packaging, environmental tests, launch facilities, tracking and telemetry requirements, data acquisition, processing and analysis procedures, communication of information, and project management. Particular emphasis is placed on the "Scout" as a launching vehicle. The document includes a description of the geometry of the "Scout" as well as its flight capabilities and limitations. Although oriented toward the "Scout" vehicle and its payload capabilities, the information presented is sufficiently general to be equally applicable to most space vehicle systems.

  1. Phoenix Mars Scout Parachute Flight Behavior and Observations

    NASA Technical Reports Server (NTRS)

    Adams, Douglas S.; Witkowski, Allen; Kandis, Mike

    2011-01-01

    The data returned from the successful Phoenix Mars Scout mission are analyzed in order to determine characteristics and behaviors of the supersonic parachute that was used to slow the entry body during its descent to the surface. At least one significant drag reduction event was observed when the vehicle was traveling at Mach 1.6; this is consistent with previously reported terrestrial high altitude testing and is likely associated with an area oscillation of the parachute. The parachute is shown to possess some lateral instability relative to the anti-velocity vector that is also at a level that is consistent with the same historic data. Ramifications of the lateral instability and, in particular, the unsteadiness in the parachute drag are discussed as energizing elements of the entry body wrist mode. The apparent coefficient of drag for the parachute is calculated and shown to have relatively small variations on an average basis over the supersonic portion of flight.

  2. Phoenix Mars Scout Parachute Flight Behavior and Observations

    NASA Technical Reports Server (NTRS)

    Adams, Douglas S.; Witkowski, Allen; Kandis, Mike

    2011-01-01

    The data returned from the successful Phoenix Mars Scout mission are analyzed in order to determine characteristics and behaviors of the supersonic parachute that was used to slow the entry body during its descent to the surface. At least one significant drag reduction event was observed when the vehicle was traveling at Mach 1.6; this is consistent with previously reported terrestrial high altitude testing and is likely associated with an area oscillation of the parachute. The parachute is shown to possess some lateral instability relative to the anti-velocity vector that is also at a level that is consistent with the same historic data. Ramifications of the lateral instability and, in particular, the unsteadiness in the parachute drag are discussed as energizing elements of the entry body wrist mode. The apparent coefficient of drag for the parachute is calculated and shown to have relatively small variations on an average basis over the supersonic portion of flight.

  3. Effluent sampling of Scout D and Delta launch vehicle exhausts

    NASA Technical Reports Server (NTRS)

    Hulten, W. C.; Storey, R. W.; Gregory, G. L.; Woods, D. C.; Harris, F. S., Jr.

    1974-01-01

    Characterization of engine-exhaust effluents (hydrogen chloride, aluminum oxide, carbon dioxide, and carbon monoxide) has been attempted by conducting field experiments monitoring the exhaust cloud from a Scout-Algol III vehicle launch and a Delta-Thor vehicle launch. The exhaust cloud particulate size number distribution (total number of particles as a function of particle diameter), mass loading, morphology, and elemental composition have been determined within limitations. The gaseous species in the exhaust cloud have been identified. In addition to the ground-based measurements, instrumented aircraft flights through the low-altitude, stabilized-exhaust cloud provided measurements which identified CO and HCI gases and Al2O3 particles. Measurements of the initial exhaust cloud during formation and downwind at several distances have established sampling techniques which will be used for experimental verification of model predictions of effluent dispersion and fallout from exhaust clouds.

  4. Wet Chemistry experiments on the 2007 Phoenix Mars Scout Lander mission: Data analysis and results

    NASA Astrophysics Data System (ADS)

    Kounaves, S. P.; Hecht, M. H.; Kapit, J.; Gospodinova, K.; DeFlores, L.; Quinn, R. C.; Boynton, W. V.; Clark, B. C.; Catling, D. C.; Hredzak, P.; Ming, D. W.; Moore, Q.; Shusterman, J.; Stroble, S.; West, S. J.; Young, S. M. M.

    2010-01-01

    Chemical analyses of three Martian soil samples were performed using the Wet Chemistry Laboratories on the 2007 Phoenix Mars Scout Lander. One soil sample was obtained from the top ˜2 cm (Rosy Red) and two were obtained at ˜5 cm depth from the ice table interface (Sorceress 1 and Sorceress 2). When mixed with water in a ˜1:25 soil to solution ratio (by volume), a portion of the soil components solvated. Ion concentrations were measured using an array of ion selective electrodes and solution conductivity using a conductivity cell. The measured concentrations represent the minimum leachable ions in the soil and do not take into account species remaining in the soil. Described is the data processing and analysis for determining concentrations of seven ionic species directly measured in the soil/solution mixture. There were no significant differences in concentrations, pH, or conductivity, between the three samples. Using laboratory experiments, refinement of the surface calibrations, and modeling, we have determined a pH for the soil solution of 7.7(±0.3), under prevalent conditions, carbonate buffering, and PCO2 in the cell headspace. Perchlorate was the dominant anion in solution with a concentration for Rosy Red of 2.7(±1) mM. Equilibrium modeling indicates that measured [Ca2+] at 0.56(±0.5) mM and [Mg2+] at 2.9(±1.5) mM, are consistent with carbonate equilibrium for a saturated solution. The [Na+] and [K+] were 1.4(±0.6), and 0.36(±0.3) mM, respectively. Results indicate that the leached portion of soils at the Phoenix landing site are slightly alkaline and dominated by carbonate and perchlorate. However, it should be noted that there is a 5-15 mM discrepancy between measured ions and conductivity and another species may be present.

  5. SCOUT: a fast Monte-Carlo modeling tool of scintillation camera output†

    PubMed Central

    Hunter, William C J; Barrett, Harrison H.; Muzi, John P.; McDougald, Wendy; MacDonald, Lawrence R.; Miyaoka, Robert S.; Lewellen, Thomas K.

    2013-01-01

    We have developed a Monte-Carlo photon-tracking and readout simulator called SCOUT to study the stochastic behavior of signals output from a simplified rectangular scintillation-camera design. SCOUT models the salient processes affecting signal generation, transport, and readout of a scintillation camera. Presently, we compare output signal statistics from SCOUT to experimental results for both a discrete and a monolithic camera. We also benchmark the speed of this simulation tool and compare it to existing simulation tools. We find this modeling tool to be relatively fast and predictive of experimental results. Depending on the modeled camera geometry, we found SCOUT to be 4 to 140 times faster than other modeling tools. PMID:23640136

  6. Momentum Management for the NASA Near Earth Asteroid Scout Solar Sail Mission

    NASA Technical Reports Server (NTRS)

    Heaton, Andrew; Diedrich, Benjamin L.; Orphee, Juan; Stiltner, Brandon; Becker, Christopher

    2017-01-01

    The Momentum Management (MM) system is described for the NASA Near Earth Asteroid Scout (NEA Scout) cubesat solar sail mission. Unlike many solar sail mission proposals that used solar torque as the primary or only attitude control system, NEA Scout uses small reaction wheels (RW) and a reaction control system (RCS) with cold gas thrusters, as described in the abstract "Solar Sail Attitude Control System for Near Earth Asteroid Scout Cubesat Mission." The reaction wheels allow fine pointing and higher rates with low mass actuators to meet the science, communication, and trajectory guidance requirements. The MM system keeps the speed of the wheels within their operating margins using a combination of solar torque and the RCS.

  7. A feasibility study for Scout polar launches from NASA Wallops Flight Center

    NASA Technical Reports Server (NTRS)

    Myler, T. R.

    1975-01-01

    The feasibility of launching the Scout vehicle into a polar orbit from Wallops Flight Center is discussed. The impact of proposed flights on vehicle hardware and range safety are defined. The launch and flight modes are described.

  8. Temperature-Driven Shape Changes of the Near Earth Asteroid Scout Solar Sail

    NASA Technical Reports Server (NTRS)

    Stohlman, Olive R.; Loper, Erik R.; Lockett, Tiffany E.

    2017-01-01

    Near Earth Asteroid Scout (NEA Scout) is a NASA deep space Cubesat, scheduled to launch on the Exploration Mission 1 flight of the Space Launch System. NEA Scout will use a deployable solar sail as its primary propulsion system. The sail is a square membrane supported by rigid metallic tapespring booms, and analysis predicts that these booms will experience substantial thermal warping if they are exposed to direct sunlight in the space environment. NASA has conducted sunspot chamber experiments to confirm the thermal distortion of this class of booms, demonstrating tip displacement of between 20 and 50 centimeters in a 4-meter boom. The distortion behavior of the boom is complex and demonstrates an application for advanced thermal-structural analysis. The needs of the NEA Scout project were supported by changing the solar sail design to keep the booms shaded during use of the solar sail, and an additional experiment in the sunspot chamber is presented in support of this solution.

  9. Scout and Guides, Key Users of Astronomy & Planetary Sciences Outreach that Support Education

    NASA Astrophysics Data System (ADS)

    Brumfitt, A.; Thompson, L.

    Few people outside of the Scouting and Guide movement would appreciate that these world wide organisations have an active youth membership of over 40 million children and young adults. These two organisations rely on external specialist expert knowledge for the effective delivery of their education and award schemes. The high membership and established program delivery pathways make these organisations excellent vehicles for outreach programs. In particular Scouts and Guides are able to introduce astronomy and planetary sciences into their informal education programs at a timing that best suits the child and not one constrained by the schedule of formal education. It is the global voluntary nature of membership of these organisations that make them extremely effective learning vehicles. The members both youth and leader are highly motivated. These two organisations have a structured education program for youth members based on both individual pursuits or targets and group projects. The organisations has as part of their infra structure benchmarks for the measure of excellence in achievement and education at all levels. Scouts and Guides are a way of encompassing knowledge and lighting candles for life long learning. Scouts and guides address all year groups of formal education from primary through to tertiary levels, from cubs and brownies through various levels to Rovers and Rangers. Space is seen as relevant to Scouting and Guides, the Guide movement UK has recently adopted a "Go for it" challenge award for youth members to investigate space science. Similar awards exist in the Scouting movement in Europe, USA and Australia. The ready adoption of Space science fits well with scouting principles as Space is perceived as the "New Frontier of Discovery". In October 2007, Scouts and Guides from Europe will gather at Tidbinbilla deep space Tracking Station, Australia for the first Scout and Guide International Space Camp. The model used for this camp was based on a

  10. Technical note: CT scout views of the cervical spine in severely head-injured patients.

    PubMed

    Perugini, S; Bonetti, M G; Ghirlanda, S; Fresina, A; Salvolini, U

    1996-04-01

    The objective of this study was the validation of a CT multiprojection scout view method for the evaluation of cervical spine integrity in severely head-injured patients. Following brain CT, 130 consecutive patients underwent anteroposterior, laterolateral, and 45 degrees right and left oblique scout views of the cervical spine. The method allowed direct and prompt detection of traumatic lesions of the cervical spine in ten cases without moving the patients from the scanner table.

  11. "5 A Day" achievement badge for urban boy scouts: formative evaluation results.

    PubMed

    Cullen, K W; Baranowski, T; Baranowski, J; Warnecke, C; de Moor, C; Nwachokor, A; Hajek, R A; Jones, L A

    1998-01-01

    Certain cancers are more common among African Americans (AA). Fruit and vegetables (F&V) reduce cancer risk, but Americans, and African Americans in particular, do not meet the "5 A Day" goal. Scouting organizations, particularly urban Boy Scout groups that target inner-city youth, provide promising channels for nutritional behavioral change programs. Focus groups were conducted with urban Boy Scouts and their parents to identify factors influencing F&V consumption and evaluate potential intervention activities. Twenty-four-hour dietary recalls were collected from 85 area Boy Scouts. A national data set was used to obtain values for F&V consumption by African American and European American (boys age 0-16). Vegetable preferences were low and a negative peer influence for vegetables was reported. The group has limited food-preparation skills, but both parents and scouts reported that F&V were available in their homes. Use of goal setting and use of problem-solving techniques were limited. The local scouts' mean F&V intake was 3.2 servings per day. Ethnic differences in F&V consumption were identified in the national data. Based on these results and previous interventions in schools, an overall structure for the intervention was developed to include eight weekly troop sessions and two camping sessions, parent newsletters, seven weekly home badge assignments, and ten comic books.

  12. Exploring Division Boy Scouts of America, Girl Scouts of the U.S.A., and Career Education. Monographs on Career Education.

    ERIC Educational Resources Information Center

    Hoyt, Kenneth B.

    This document is one in a series of monographs aimed at providing a narrative summary of ideas and thoughts gathered from particular community segments represented in a series of mini-conferences held to discuss the concept of collaboration in career education. In this monograph, the career education activities of the Girl Scouts of the United…

  13. Scouts, forests, and ticks: Impact of landscapes on human-tick contacts.

    PubMed

    De Keukeleire, Mathilde; Vanwambeke, Sophie O; Somassè, Elysée; Kabamba, Benoît; Luyasu, Victor; Robert, Annie

    2015-07-01

    Just as with forest workers or people practicing outdoor recreational activities, scouts are at high risk for tick bites and tick-borne infections. The risk of a tick bite is shaped not only by environmental and climatic factors but also by land management. The aim of this study was to assess which environmental conditions favour scout-tick contacts, and thus to better understand how these factors and their interactions influence the two components of risk: hazard (related to vector and host ecology) and exposure of humans to disease vectors. A survey was conducted in the summer of 2009 on the incidence of tick bites in scout camps taking place in southern Belgium. Joint effects of landscape composition and configuration, weather, climate, forest and wildlife management were examined using a multiple gamma regression with a log link. The landscape was characterized by buffers of varying sizes around the camps using a detailed land use map, and accounting for climate and weather variables. Landscape composition and configuration had a significant influence on scout-tick contacts: the risk was high when the camp was surrounded by a low proportion of arable land and situated in a complex and fragmented landscape. The distance to the nearest forest patch, the composition of the forest ecotone as well as weather and climatic factors were all significantly associated with scout-tick contacts. Both hazard- and exposure-related variables significantly contributed to the frequency of scout-tick contact. Our results show that environmental conditions favour scout-tick contacts. For example, we emphasize the impact of accessibility of environments suitable for ticks on the risk of contact. We also highlight the significant effect of both hazard and exposure. Our results are consistent with current knowledge, but further investigations on the effect of forest management, e.g. through its impact on forest structure, on the tick-host-pathogen system, and on humans exposure, is

  14. Scout: high-performance heterogeneous computing made simple

    SciTech Connect

    Jablin, James; Mc Cormick, Patrick; Herlihy, Maurice

    2011-01-26

    Researchers must often write their own simulation and analysis software. During this process they simultaneously confront both computational and scientific problems. Current strategies for aiding the generation of performance-oriented programs do not abstract the software development from the science. Furthermore, the problem is becoming increasingly complex and pressing with the continued development of many-core and heterogeneous (CPU-GPU) architectures. To acbieve high performance, scientists must expertly navigate both software and hardware. Co-design between computer scientists and research scientists can alleviate but not solve this problem. The science community requires better tools for developing, optimizing, and future-proofing codes, allowing scientists to focus on their research while still achieving high computational performance. Scout is a parallel programming language and extensible compiler framework targeting heterogeneous architectures. It provides the abstraction required to buffer scientists from the constantly-shifting details of hardware while still realizing higb-performance by encapsulating software and hardware optimization within a compiler framework.

  15. Energy behaviours of northern California Girl Scouts and their families

    SciTech Connect

    Boudet, H; Ardoin, NM; Flora, J; Armel, KC; Desai, M; Robinson, TN

    2014-10-01

    Climate change is likely the most critical societal challenge to the futures of today's children. Mitigation will require a concerted effort to change household energy behaviour electricity use, transportation and food consumption patterns. A first step to changing behaviour is to better understand current behaviour and its intrapersonal (knowledge and attitudes), interpersonal (norms, communication and behaviour) and contextual (demographics and geography) correlates. To date, our understanding of the energy behaviours of children is limited. To begin to fill this gap, we report the results of a survey on the electricity, transportation and food-related energy behaviours of 323 fourth- and fifth-grade girls and their parents in 31 Girl Scout troops in Northern California. Our findings show positive attitudes and perceived norms toward energy-saving behaviours among child and adult respondents, but low or moderate levels of knowledge, communication, and behaviour, particularly for behaviours that require adult assistance. Girls' choices about electricity behaviours appear to be governed by intrapersonal and interpersonal influences, while transportation behaviour is constrained by geographic context. Food-related behaviour, particularly meat consumption, was not readily modelled. Policy and education-related implications for future interventions aimed at enhancing children's energy-saving behaviours are discussed. (C) 2014 Elsevier Ltd. All rights reserved.

  16. Concept for Mars Volcanic Emission Life Scout (3-D)

    NASA Technical Reports Server (NTRS)

    2004-01-01

    This artist's rendition depicts a concept for a Mars orbiter that would scrutinize the martian atmosphere for chemical traces of life or environments supportive of life that might be present anywhere on the planet. The illustration is presented as a three-dimensional stereo view.

    The concept is named the Mars Volcanic Emission and Life Scout, or Marvel. It would equip a Mars orbiter with two types of instruments proven useful in studying Earth's atmosphere from Earth orbit. One, a solar occultation infrared spectrometer, would look sideways through Mars' atmosphere toward the setting or rising Sun for an extremely sensitive reading of what chemicals are in the air that sunlight passes through before hitting the instrument. The other, a submillimeter spectrometer would survey the atmosphere continuously, including during dust storms and polar night, to seek localized surface sources of the chemicals of interest. The infrared spectrometer has very high sensitivity for one chemical of great interest: methane, which is produced by many types of microbes, as well as by some volcanic sources. The submillimeter spectrometer has very high sensitivity for water vapor. Localized concentrations of water vapor in the atmosphere could identify places where subsurface water sources may be venting.

  17. Zoonotic Infections in Military Scout and Tracker Dogs in Vietnam

    PubMed Central

    Alexander, A. D.; Binn, L. N.; Elisberg, B.; Husted, P.; Huxsoll, D. L.; Marshall, J. D.; Needy, C. F.; White, A. D.

    1972-01-01

    Significant levels of antibodies indicative of a variety of zoonotic infections were demonstrated in sera collected from 64 U.S. military scout and tracker dogs after service in the Republic of Vietnam (RVN). Scrub typhus antibodies were found in 45% of the specimens, melioidosis in 19%, group B arbovirus in 49%, and leptospirosis in 62%. Only 38% of the seropositive reactions for leptospirosis could be related to overseas infections. Tests were conducted on paired sera obtained from 32 of the dogs before service in RVN. Significant increases in titer were demonstrated with scrub typhus, melioidosis, leptospirosis, plague, group B arbovirus, and Rickettsia canada antigens. After 2 to 6 months of service in RVN, 8 of 19 dogs developed antibody titers to at least one of four zoonotic diseases. Only 3 of 45 dogs with 7 or more months of service failed to develop antibodies to one or more of the agents. The serological findings pose questions on the potential epidemiological importance and veterinary significance of scrub typhus, group B arbovirus, leptospirosis, and melioidosis infections in dogs. PMID:4564881

  18. Concept for Mars Volcanic Emission Life Scout (3-D)

    NASA Technical Reports Server (NTRS)

    2004-01-01

    This artist's rendition depicts a concept for a Mars orbiter that would scrutinize the martian atmosphere for chemical traces of life or environments supportive of life that might be present anywhere on the planet. The illustration is presented as a three-dimensional stereo view.

    The concept is named the Mars Volcanic Emission and Life Scout, or Marvel. It would equip a Mars orbiter with two types of instruments proven useful in studying Earth's atmosphere from Earth orbit. One, a solar occultation infrared spectrometer, would look sideways through Mars' atmosphere toward the setting or rising Sun for an extremely sensitive reading of what chemicals are in the air that sunlight passes through before hitting the instrument. The other, a submillimeter spectrometer would survey the atmosphere continuously, including during dust storms and polar night, to seek localized surface sources of the chemicals of interest. The infrared spectrometer has very high sensitivity for one chemical of great interest: methane, which is produced by many types of microbes, as well as by some volcanic sources. The submillimeter spectrometer has very high sensitivity for water vapor. Localized concentrations of water vapor in the atmosphere could identify places where subsurface water sources may be venting.

  19. Phoenix Mars Scout UHF Relay-Only Operations

    NASA Technical Reports Server (NTRS)

    Lewicki, Christopher A.; Krajewski, Joel; Ilott, Peter; Dates, Jason

    2006-01-01

    The Phoenix Mars Scout Lander will launch in August 2007 and land on the northern plains of Mars in May of 2008. In a departure from traditional planetary surface mission operations, it will have no direct-to-Earth communications capability and will rely entirely on Mars-orbiting relays in order to facilitate command and control as well as the return of science and engineering data. The Mars Exploration Rover missions have demonstrated the robust data-return capability using this architecture, and also have demonstrated the capability of using this method for command and control. The Phoenix mission will take the next step and incorporate this as the sole communications link. Operations for 90 Sols will need to work within the constraints of Odyssey and Mars Reconnaissance Orbiter communications availability, anomalies must be diagnosed and responded to through an intermediary and on-board fault responses must be tolerant to loss of a relay. These and other issues pose interesting challenges and changes in paradigm for traditional space operations and spacecraft architecture, and the approach proposed for the Phoenix mission is detailed herein.

  20. Comparative brain transcriptomic analyses of scouting across distinct behavioural and ecological contexts in honeybees

    PubMed Central

    Liang, Zhengzheng S.; Mattila, Heather R.; Rodriguez-Zas, Sandra L.; Southey, Bruce R.; Seeley, Thomas D.; Robinson, Gene E.

    2014-01-01

    Individual differences in behaviour are often consistent across time and contexts, but it is not clear whether such consistency is reflected at the molecular level. We explored this issue by studying scouting in honeybees in two different behavioural and ecological contexts: finding new sources of floral food resources and finding a new nest site. Brain gene expression profiles in food-source and nest-site scouts showed a significant overlap, despite large expression differences associated with the two different contexts. Class prediction and ‘leave-one-out’ cross-validation analyses revealed that a bee's role as a scout in either context could be predicted with 92.5% success using 89 genes at minimum. We also found that genes related to four neurotransmitter systems were part of a shared brain molecular signature in both types of scouts, and the two types of scouts were more similar for genes related to glutamate and GABA than catecholamine or acetylcholine signalling. These results indicate that consistent behavioural tendencies across different ecological contexts involve a mixture of similarities and differences in brain gene expression. PMID:25355476

  1. [AntibioticScout: Online tool for antimicrobial stewardship in veterinary medicine].

    PubMed

    Peter, R; Müntener, C; Demuth, D; Heim, D; Mevissen, M; Schüpbach-Regula, G; Schuller, S; Stucki, F; Willi, B; Naegeli, H

    2016-12-01

    Resistances to antimicrobials pose serious public health challenges. This issue concerns both human and veterinary medicine and can only be solved by a multidisciplinary approach. A comprehensive concept is, therefore, being worked out within the StAR (strategy antibiotic resistance) program in order to preserve the effectiveness of antibiotics for humans as well as animals. In this context, the AntibioticScout (www.AntibioticScout. ch) offers a new online tool for the prudent use of antibiotics in veterinary medicine. By involving all stakeholders, the guidelines included in the AntibioticScout will result in a nationwide accepted standard for the treatment of bacterial infections in animals. An additional system for the rapid reporting of cases of suspected lack of efficacy of antimicrobials is integrated to allow early detection of emerging resistance and the immediate launch of risk mitigation measures. A first version of the AntibioticScout for the treatment of dogs, cats and horses is available by the end of 2016. All stakeholders are now invited to contribute to the development of the AntibioticScout decision support.

  2. CubeSat Mission- Near-Earth Asteroid Scout (animation only, no audio)

    NASA Image and Video Library

    2016-09-21

    The Near-Earth Asteroid Scout, or NEA Scout, is a robotic reconnaissance mission that will deploy a 6U CubeSat to fly by and return data from an asteroid representative of possible human destinations. Using a solar sail for its propulsion system, it will perform reconnaissance of an asteroid, take pictures and observe its position in space. Launching on NASA's Space Launch System rocket, the CubeSat deployment animation starts at the 1:25 timecode with the solar sail deployment animation beginning at the 2:54 timecode. The NEA Scout team is currently evaluating a range of targets, and is continually updating the candidate pool based on new discoveries and expected performance. NEA Scout is one of three payloads selected by NASA’s Human Exploration and Operations Mission Directorate. These small satellites were chosen to address Strategic Knowledge Gaps (SKGs) and help inform research strategies and prioritize technology development for future human and robotic exploration. It is being developed at NASA’s Marshall Space Flight Center in Huntsville, Alabama. Learn more by visiting http://www.nasa.gov/content/nea-scout

  3. Comparative brain transcriptomic analyses of scouting across distinct behavioural and ecological contexts in honeybees.

    PubMed

    Liang, Zhengzheng S; Mattila, Heather R; Rodriguez-Zas, Sandra L; Southey, Bruce R; Seeley, Thomas D; Robinson, Gene E

    2014-12-22

    Individual differences in behaviour are often consistent across time and contexts, but it is not clear whether such consistency is reflected at the molecular level. We explored this issue by studying scouting in honeybees in two different behavioural and ecological contexts: finding new sources of floral food resources and finding a new nest site. Brain gene expression profiles in food-source and nest-site scouts showed a significant overlap, despite large expression differences associated with the two different contexts. Class prediction and 'leave-one-out' cross-validation analyses revealed that a bee's role as a scout in either context could be predicted with 92.5% success using 89 genes at minimum. We also found that genes related to four neurotransmitter systems were part of a shared brain molecular signature in both types of scouts, and the two types of scouts were more similar for genes related to glutamate and GABA than catecholamine or acetylcholine signalling. These results indicate that consistent behavioural tendencies across different ecological contexts involve a mixture of similarities and differences in brain gene expression.

  4. Performance of future elite players at the NFL Scouting Combine.

    PubMed

    Hedlund, David P

    2017-09-11

    The purpose of this study is to examine players' physical and performance measures taken at the NFL Scouting Combine and compare these to their future performance in the NFL. From 2002-2016, three types of player data (N=5,506) were collected from secondary data sources. Results players earned on various NFL Scouting Combine drills and measurements (e.g., height, weight, 40-yard dash time, vertical jump, bench press repetitions, shuttle run time, and 3-cone drill time), the position players play on the field (e.g., quarterback, running back, wide receiver, tight end, offensive line, defensive line, linebacker, and defensive back), and if players received elite performance awards (e.g., Pro Bowl and All-Pro selections) in the future were collected. After analyzing the data, the results indicate that (1) NFL quarterbacks that received All-Pro and Pro Bowl awards tend to be taller, weigh more, run faster in the 40-yard dash, jump higher, complete more bench presses, and are slower for the shuttle run and 3-cone drill; (2) All-Pro and Pro Bowl NFL running backs tend to weight more, run the 40-yard dash faster, do not jump as high, complete more bench presses, and complete the shuttle run and 3-cone drills slower; (3) NFL wide receivers that were selected for the Pro Bowl or as All-Pros tend to be taller, weigh more, run the 40-yard dash faster, have a higher vertical jump, and run the 3-cone drill faster; (4) NFL tight ends that received All-Pro and Pro Bowl awards tend to be taller, weight more, run the 40-yard dash faster, jump higher, complete more bench presses, run the shuttle run slower, and complete the 3-cone drill faster; (5) All-Pro and Pro Bowl NFL offensive linemen tend to run the 40-yard dash faster, jump higher, are able to complete more bench presses, and run both the shuttle run and 3-cone drill faster; (6) NFL defensive linemen that were selected as All-Pro and Pro Bowl players tend to be taller, weight more, run the 40-yard dash faster, jump higher

  5. Scouting for talent: appointment practices of women professors in academic medicine.

    PubMed

    Van den Brink, Marieke

    2011-06-01

    This paper contributes to current literature on the under-representation of women in academic medicine by critically examining appointment practices for medical professors in the Netherlands. By opening the black box of these highly secretive appointments, it is shown how allegedly gender-neutral practices contribute to the perpetuation of gender inequalities in academic medicine. The methods employed include quantitative analysis of 286 appointment reports and qualitative interviews with 21 scouts. The analysis revealed a dominant pattern of recruitment by invitation by male scouts, leading to three gender mechanisms of inclusion and exclusion through formal/informal networking. When candidates are recruited through homogeneous male networks, the pool of potential candidates is drastically restricted. Women are not seen as obvious choices for professorships since their commitment to the job is questioned. Furthermore, women do not correspond to the image of the ideal manager since they do not appear to conform to the gendered preconceptions of leadership held by the predominantly male scouts.

  6. a Positive Science and Technology Experience for Junior GIRL Scouts Through a College Service Learning Project

    NASA Astrophysics Data System (ADS)

    Guertin, Laura A.; Rufo, Jennifer L.

    The authors have begun hosting interactive and collaborative activities at the Pennsylvania State University Delaware County campus for Junior Girl Scouts to earn science- and technology-related badges. Undergraduate nonscience majors enrolled in an introductory-level science course are required to complete a service learning project by developing and conducting a series of hands-on exercises for area Junior Girl Scouts. The girls are given the opportunity to use technological tools such as Internet searching and Palm Pilot handheld computers to complete the requirements for a science badge. The activities are detailed and supplemented with a corresponding program workbook that promotes women in science careers. Postproject evaluations show the scouts reporting higher interest in science, more positive attitudes toward science, and a desire to earn more science-related badges. The undergraduates report a strong desire to complete additional projects to help serve the community.

  7. Radiation exposure contribution of the scout abdomen radiograph in common pediatric fluoroscopic procedures.

    PubMed

    Rao, Anil G; Simmons, Cephus E; Thacker, Paul G; Collins, Heather; Ritenour, E Russell; Hill, Jeanne G

    2016-08-01

    Contrast enema, voiding cystourethrography and upper gastrointestinal studies are the most common fluoroscopic procedures in children. Scout abdomen radiographs have been routinely obtained prior to fluoroscopy and add to the radiation exposure from these procedures. Elimination of unnecessary routine scout radiographs in select studies might significantly reduce radiation exposure to children and improve the overall benefit-to-risk ratio of these fluoroscopic procedures. To determine the radiation exposure contribution of the preliminary/scout abdomen radiographs with respect to the radiation exposure of the total procedure. We retrospectively collected demographic information and radiation exposure values of dose area product (in Gy-cm(2)) and entrance air kerma (in mGy) - initially for the scout abdomen radiographs done prior to fluoroscopy and subsequently the total procedural radiation values (the combined values of the scout radiograph and fluoroscopic radiation exposure) - in children who underwent contrast enemas, voiding cystourethrograms and upper gastrointestinal studies in a 4-month period. The radiation parameters, including fluoroscopy time, dose area product and entrance air kerma, were available in the log book maintained in the fluoroscopy suite. Fluoroscopy procedures were performed on a single fluoroscopy machine using four frames per second pulse rate and other radiation-minimizing techniques. Usage of the grid to obtain scout radiographs was also recorded. The proportion of radiation exposure from the scout radiograph relative to that of the total procedure was calculated by dividing the individual parameters of the scout to the total procedural values and multiplied by 100 to express these values as a percentage. We calculated mean, median and range and performed statistical analysis of the data. A total of 151 procedures performed on 71 males and 80 females qualified for the study. The age range of the patients was 2 days to 18 years, with

  8. An investigation of low-dose 3D scout scans for computed tomography

    NASA Astrophysics Data System (ADS)

    Gomes, Juliana; Gang, Grace J.; Mathews, Aswin; Stayman, J. Webster

    2017-03-01

    Purpose: Commonly 2D scouts or topograms are used prior to CT scan acquisition. However, low-dose 3D scouts could potentially provide additional information for more effective patient positioning and selection of acquisition protocols. We propose using model-based iterative reconstruction to reconstruct low exposure tomographic data to maintain image quality in both low-dose 3D scouts and reprojected topograms based on those 3D scouts. Methods: We performed tomographic acquisitions on a CBCT test-bench using a range of exposure settings from 16.6 to 231.9 total mAs. Both an anthropomorphic phantom and a 32 cm CTDI phantom were scanned. The penalized-likelihood reconstructions were made using Matlab and CUDA libraries and reconstruction parameters were tuned to determine the best regularization strength and delta parameter. RMS error between reconstructions and the highest exposure reconstruction were computed, and CTDIW values were reported for each exposure setting. RMS error for reprojected topograms were also computed. Results: We find that we are able to produce low-dose (0.417 mGy) 3D scouts that show high-contrast and large anatomical features while maintaining the ability to produce traditional topograms. Conclusions: We demonstrated that iterative reconstruction can mitigate noise in very low exposure CT acquisitions to enable 3D CT scout. Such additional 3D information may lead to improved protocols for patient positioning and acquisition refinements as well as a number of advanced dose reduction strategies that require localization of anatomical features and quantities that are not provided by simple 2D topograms.

  9. Scout: An Impact Analysis Tool for Building Energy-Efficiency Technologies

    SciTech Connect

    Harris, Chioke; Langevin, Jared; Roth, Amir; Phelan, Patrick; Parker, Andrew; Ball, Brian; Brackney, Larry

    2016-08-26

    Evaluating the national impacts of candidate U.S. building energy-efficiency technologies has historically been difficult for organizations with large energy efficiency portfolios. In particular, normalizing results from technology-specific impact studies is time-consuming when those studies do not use comparable assumptions about the underlying building stock. To equitably evaluate its technology research, development, and deployment portfolio, the U.S. Department of Energy's Building Technologies Office has developed Scout, a software tool that quantitatively assesses the energy and CO2 impacts of building energy-efficiency measures on the national building stock. Scout efficiency measures improve upon the unit performance and/or lifetime operational costs of an equipment stock baseline that is determined from the U.S. Energy Information Administration Annual Energy Outlook (AEO). Scout measures are characterized by a market entry and exit year, unit performance level, cost, and lifetime. To evaluate measures on a consistent basis, Scout uses EnergyPlus simulation on prototype building models to translate measure performance specifications to whole-building energy savings; these savings impacts are then extended to a national scale using floor area weighting factors. Scout represents evolution in the building stock over time using AEO projections for new construction, retrofit, and equipment replacements, and competes technologies within market segments under multiple adoption scenarios. Scout and its efficiency measures are open-source, as is the EnergyPlus whole building simulation framework that is used to evaluate measure performance. The program is currently under active development and will be formally released once an initial set of measures has been analyzed and reviewed.

  10. Assessment of Prosocial-Altruistic Behavior of Members and Non-Members of the Scout Movement

    ERIC Educational Resources Information Center

    Ruiz-Olivares, Rosario; Pino, M. Jose; Herruzo, Javier

    2013-01-01

    The aim of this study is to evaluate the differences in prosocial altruistic behavior between children and young students who belong to the scout movement and those who do not belong to this or any other similar movement. The prosocial altruistic behavior has been assessed with questionnaires for the school: self-evaluation, teacher, classmate,…

  11. MuseumScouts: Exploring How Schools, Museums and Interactive Technologies Can Work Together to Support Learning

    ERIC Educational Resources Information Center

    Wishart, Jocelyn; Triggs, Pat

    2010-01-01

    In this paper we report on the successes and challenges of a creative project involving museums, schools and interactive technologies. The MuseumScouts project is EU Comenius 2.1 funded and involves teachers, teacher educators, museum staff, students and researchers from five European countries: Germany (Berlin and Munich), Lithuania (Vilnius),…

  12. Bringing Dinosaur Science to the Junior Girl Scouts through a College Service-Learning Project

    ERIC Educational Resources Information Center

    Guertin, Laura A.; Cao, Edna T.; Craig, Karen A.; George, Alice E.; Goldson, Shana T.; Makatche, Shanon P.; Radusevich, Brett T.; Sandor, Charles W.; Takos, Anya T.; Tuller, Ryan; Williams, James K.; Williams, Michael A.

    2004-01-01

    Undergraduate students in an introductory-level geoscience course successfully designed and conducted a science badge day for the Junior Girl Scouts. With national concerns that girls turn away from science at a young age, a service-learning project was incorporated into a college course with the end result providing a group of girls a positive…

  13. Development and Evolution of Agriculturally Related Merit Badges Offered by the Boy Scouts of America

    ERIC Educational Resources Information Center

    Terry, Robert, Jr.

    2013-01-01

    Badges of Merit have been a primary component of Scouting programs since the inception of the movement more than 100 years ago. The diverse range of subjects for merit badges has included 32 programs relating directly to agriculture. The focus of this historical research was to identify when agriculturally related merit badges were introduced,…

  14. The Community Service-Minded Geographer: Geography and the Boy Scouts of America Merit Badge Program.

    ERIC Educational Resources Information Center

    Lyons, Robin R.

    1992-01-01

    Suggests that geographers can serve their communities as Boy Scout merit badge counselors. Identifies several merit badge projects that are closely related to geography topics. Discusses projects involving (1) environmental science; (2) geology; (3) oceanography; (4) orienteering; (5) weather; (6) U.S. cultures; (7) community citizenship; and (8)…

  15. Leadership Skills Training for Youths through the Exploring Program of Boy Scouts of America.

    ERIC Educational Resources Information Center

    Geiger, Brian F.; Willis, A. Sandra

    This paper describes the Leadership Opportunity Forums for high school students sponsored by the Explorer's Post of the Birmingham Area Council of the Boy Scouts of America. The goal of the forum was to increase student leadership behaviors through informational sessions, needs assessment, informal discussions, shared meals, outdoor physical…

  16. European Gender Lessons: Girls and Boys at Scout Camps in Denmark, Portugal, Russia and Slovakia

    ERIC Educational Resources Information Center

    Nielsen, Harriet Bjerrum

    2004-01-01

    The article investigates the tensions between and within models of gender equality and gender complementarity by studying children who are in the midst of learning to apply these gender models in practice. Children (aged 11-15 years) were observed and interviewed while they participated in scout camps in Denmark, Portugal, Slovakia and Russia.…

  17. Unit of Training Involving Handicapped Scouts: Scoutmaster's Guide. Adult Leader Development.

    ERIC Educational Resources Information Center

    Boy Scouts of America, New Brunswick, NJ.

    Described in the Scoutmaster's Guide are discussion topics and sensory awareness activities to be used by adult leaders in helping Boy Scouts to understand and involve handicapped peers in troop activities. Among suggested activities for a troop development session are discussions of the five senses and of similarities between handicapped and…

  18. Two Boy Scout Troops: The Impact of the Troop Culture on What Boys Learn.

    ERIC Educational Resources Information Center

    Shinkwin, Anne; Kleinfeld, Judith

    Troop ideology as defined by the scoutmaster and other involved adults radically altered the learning experiences of boys in two Boy Scout troops, even though both adhered to the official program. Using observation and interviews, researchers studied all aspects of the troops over 7 months. One troop, whose scoutmaster was benevolent and…

  19. Unit of Training Involving Handicapped Scouts: Instructor's Guide. Adult Leadership Development.

    ERIC Educational Resources Information Center

    Boy Scouts of America, New Brunswick, NJ.

    The Instructor's Guide is intended for use in training adult leaders to foster understanding and involvement of the handicapped in Boy Scout troop activities. Suggestions are offered for organizing two leadership training sessions which include defining types of handicaps, conducting buzz group discussions on similarities between handicapped and…

  20. Environmental Assessment for the Space Complex-5 SCOUT Launcher Relocation, Vandenberg Air Force Base, California

    DTIC Science & Technology

    2009-01-01

    itself an endangered species, the buckwheat is. however. the host plant for an ESA-listed buttertly, the EI Segundo Blue Butterfly. Because this...endangered butterf!) relies on this host plant for part of its life cycle, this buckwheat is generally treated as a protected species. The SCOUT Launcher and

  1. Supporting Teachers' Management of Middle School Social Dynamics: The Scouting Report Process

    ERIC Educational Resources Information Center

    Farmer, Thomas W.; Chen, Chin-Chih; Hamm, Jill V.; Moates, Meredith M.; Mehtaji, Meera; Lee, David; Huneke, Michelle R.

    2016-01-01

    This describes the "scouting report" as an approach that social and behavior intervention specialists can use to help middle-level teachers create social contexts that support productive social roles and relationships of students with disabilities. Building from research on early adolescent social dynamics and context-based interventions…

  2. The Application of Systems Thinking for 21st Century Operations (The Senior Scout Case Study)

    DTIC Science & Technology

    2007-11-02

    the demands of today’s Information Age. The purpose of this paper is to assess the value of systems thinking as a conceptual process for managing the...complexity of today’s operational environment. Using the Senior Scout Case Study, we will examine some of the applications of systems thinking on a

  3. 5 a day Achievement Badge for African-American Boy Scouts: pilot outcome results.

    PubMed

    Baranowski, Tom; Baranowski, Janice; Cullen, Karen W; deMoor, Carl; Rittenberry, LaTroy; Hebert, David; Jones, Lovell

    2002-03-01

    Boy Scouts are an important channel to complement school-based programs to enable boys to eat more fruit, 100% juice, and vegetables (FJV) for chronic disease prevention. The "5 a Day Achievement Badge" program was presented on a pilot study basis to African-American Boy Scout troops in Houston. Troops were the unit of recruitment and random assignment to treatment and control groups. The badge program was presented in Fall 1997 by trained dietitians and included activities to increase availability and accessibility of fruit and vegetables at scouts' homes, increase preferences for vegetables, and train in the preparation of FaSST (fast, simple, safe, and tasty) recipes. Weekly comic books demonstrated and reinforced what scouts were expected to do at home. A weekly newsletter with recipes was sent to parents. The program was revised and presented to the control group in Winter 1998. Two 24-h recalls were the primary assessment tools. Telephone interviews were conducted with parents. The intervention resulted in a 0.8 FJV serving difference (post values of treatment versus control groups with pre value covaried). The changes obtained suggest that the intervention was effective in promoting dietary change. (C)2002 American Health Foundation and Elsevier Science (USA).

  4. Effects of goal setting on dietary and physical activity changes in the Boy Scout badge projects

    USDA-ARS?s Scientific Manuscript database

    This study evaluates the relationship of goal setting to low-fat vegetable (LV) and fruit/100% juice (FJ) consumption and physical activity (PA) change. A total of 473 10- to 14-year-old Boy Scouts from Houston took part in a 9-week intervention. A two-group (LV and FJ or PA) intervention design was...

  5. Boy Scout 5-a-day badge: Outcome results of a troop and internet intervention

    USDA-ARS?s Scientific Manuscript database

    The effects of a Boy Scout Five-A-Day Badge program on fruit-juice (FJ) and low fat vegetable (LV) consumption were evaluated using a two-condition (treatment, active-attention placebo-control) group randomized trial, with 3 data collection periods (baseline, immediate post, 6-month post). Forty-two...

  6. 78 FR 38452 - Price for the 2013 Girl Scouts of the USA Young Collector Set

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-06-26

    ... From the Federal Register Online via the Government Publishing Office DEPARTMENT OF THE TREASURY United States Mint Price for the 2013 Girl Scouts of the USA Young Collector Set AGENCY: United States...: Marc Landry, Acting Associate Director for Sales and Marketing; United States Mint; 801 9th Street...

  7. Effects of Goal Setting on Dietary and Physical Activity Changes in the Boy Scout Badge Projects

    ERIC Educational Resources Information Center

    Latif, Hira; Watson, Kathy; Nguyen, Nga; Thompson, Debbe; Baranowski, Janice; Jago, Russell; Cullen, Karen W.; Baranowski, Tom

    2011-01-01

    Background: This study evaluates the relationship of goal setting to low-fat vegetable (LV) and fruit/100% juice (FJ) consumption and physical activity (PA) change. Methods: A total of 473 10- to 14-year-old Boy Scouts from Houston took part in a 9-week intervention. A two-group (LV and FJ or PA) intervention design was used with each group…

  8. Supporting Teachers' Management of Middle School Social Dynamics: The Scouting Report Process

    ERIC Educational Resources Information Center

    Farmer, Thomas W.; Chen, Chin-Chih; Hamm, Jill V.; Moates, Meredith M.; Mehtaji, Meera; Lee, David; Huneke, Michelle R.

    2016-01-01

    This describes the "scouting report" as an approach that social and behavior intervention specialists can use to help middle-level teachers create social contexts that support productive social roles and relationships of students with disabilities. Building from research on early adolescent social dynamics and context-based interventions…

  9. Implications of Boy Scout group use of public lands for natural resource managers: a regional comparison

    Treesearch

    Gail A. Vander Stoep

    1992-01-01

    Resource managers can apply group-specific rather than generic communications and management strategies to different public land user groups. This study compares use patterns of one user group, Boy Scout troops, from two regions of the United States. It identifies their public land use patterns, activities, needs, and motivations. Results can be used by resource...

  10. Effects of Goal Setting on Dietary and Physical Activity Changes in the Boy Scout Badge Projects

    ERIC Educational Resources Information Center

    Latif, Hira; Watson, Kathy; Nguyen, Nga; Thompson, Debbe; Baranowski, Janice; Jago, Russell; Cullen, Karen W.; Baranowski, Tom

    2011-01-01

    Background: This study evaluates the relationship of goal setting to low-fat vegetable (LV) and fruit/100% juice (FJ) consumption and physical activity (PA) change. Methods: A total of 473 10- to 14-year-old Boy Scouts from Houston took part in a 9-week intervention. A two-group (LV and FJ or PA) intervention design was used with each group…

  11. European Gender Lessons: Girls and Boys at Scout Camps in Denmark, Portugal, Russia and Slovakia

    ERIC Educational Resources Information Center

    Nielsen, Harriet Bjerrum

    2004-01-01

    The article investigates the tensions between and within models of gender equality and gender complementarity by studying children who are in the midst of learning to apply these gender models in practice. Children (aged 11-15 years) were observed and interviewed while they participated in scout camps in Denmark, Portugal, Slovakia and Russia.…

  12. Cardiac gating calibration by the Septal Scout for magnetic resonance coronary angiography

    PubMed Central

    2014-01-01

    Background Electrocardiogram (ECG) gating is commonly used to synchronize imaging windows to diastasis periods over multiple heartbeats in magnetic resonance (MR) coronary angiography. Calibration of the ECG gating parameters is typically based on a cine cardiovascular MR (CMR) video of the beating heart. Insufficient temporal resolution in the cine-CMR method, however, may produce gating errors and motion artifacts. It was previously shown that tissue Doppler echocardiography (TDE) can identify accurate diastasis window timings by observing the movement of the interventricular septum (IVS). We present a new CMR technique, the Septal Scout, for measuring IVS motion. We demonstrate that cardiac gating windows determined by the Septal Scout produce sharper coronary MR angiography images than windows determined by cine-CMR. Methods 9 healthy volunteers were scanned on a GE Optima 450w 1.5T MR system. Cine-CMR was acquired and used to identify the start and end times of the diastasis window (Wcine). The Septal Scout employs a one-dimensional steady-state free precession (SSFP) readout along the ventricular septum prescribed from the 4-chamber view. The Septal Scout data is processed to produce a septal velocity function, from which the diastasis window was determined (Wsep). Non-contrast-enhanced MR angiography was performed twice for each volunteer: once gated to Wcine, once to Wsep. Vessel sharpness was assessed subjectively by two experienced observers, and quantitatively by full width half maximum (FWHM) measurements of cross-sectional vessel profiles. In addition, TDE was performed on a subcohort of 6 volunteers where diastasis windows (WTDE) were determined from the IVS velocity measured in the 4-chamber view. W sep and W TDE were compared using Pearson’s correlation. Results MRA acquisitions were successful in all volunteers. Vessel segments produced smaller FWHM measurements and were deemed sharper when imaged during the Septal Scout gating windows (p < 0

  13. Scout Rover Applications for Forward Acquisition of Soil and Terrain Data

    NASA Astrophysics Data System (ADS)

    Sonsalla, R.; Ahmed, M.; Fritsche, M.; Akpo, J.; Voegele, T.

    2014-04-01

    As opposed to the present mars exploration missions future mission concepts ask for a fast and safe traverse through vast and varied expanses of terrain. As seen during the Mars Exploration Rover (MER) mission the rovers suffered a lack of detailed soil and terrain information which caused Spirit to get permanently stuck in soft soil. The goal of the FASTER1 EU-FP7 project is to improve the mission safety and the effective traverse speed for planetary rover exploration by determining the traversability of the terrain and lowering the risk to enter hazardous areas. To achieve these goals, a scout rover will be used for soil and terrain sensing ahead of the main rover. This paper describes a highly mobile, and versatile micro scout rover that is used for soil and terrain sensing and is able to co-operate with a primary rover as part of the FASTER approach. The general reference mission idea and concept is addressed within this paper along with top-level requirements derived from the proposed ESA/NASA Mars Sample Return mission (MSR) [4]. Following the mission concept and requirements [3], a concept study for scout rover design and operations has been performed [5]. Based on this study the baseline for the Coyote II rover was designed and built as shown in Figure 1. Coyote II is equipped with a novel locomotion concept, providing high all terrain mobility and allowing to perform side-to-side steering maneuvers which reduce the soil disturbance as compared to common skid steering [6]. The rover serves as test platform for various scout rover application tests ranging from locomotion testing to dual rover operations. From the lessons learned from Coyote II and for an enhanced design, a second generation rover (namely Coyote III) as shown in Figure 2 is being built. This rover serves as scout rover platform for the envisaged FASTER proof of concept field trials. The rover design is based on the test results gained by the Coyote II trials. Coyote III is equipped with two

  14. Big Explosions and Strong Gravity: NASA/Girl Scout Project Searching for Nationwide Partners

    NASA Astrophysics Data System (ADS)

    Eyermann, Sarah E.; Hornschemeier, A.; Krishnamurthi, A.; Feaga, L.

    2008-05-01

    We are looking for national partners for our Big Explosions and Strong Gravity (BESG) Girl Scout collaboration. This is an activity designed to put real astronomers in the classroom, and was originally set into motion using money from the Chandra X-ray Observatory E/PO program. The girls who participate in this event range from 11 to 17 years old. Although all the activities are gender-neutral, we have chosen girls due to their underrepresentation in science. We target this age range due to the general decline in interest in math and science that occurs at or after children reach this critical age (meaning that we reach them early enough to have a positive effect). BESG is a Girl Scout patch-earning event where over the course of a day, girls explore Supernovae, Black Holes, the abundance of elements in the universe, and spectroscopy. This event has been run three times over the past four years with the Girl Scouts of Central Maryland, and by the time of this meeting will have been run once more as a test run of our new manual. Thanks to a NASA ROSES grant, we are now working to expand this program nationally. Within the next year, it will be run at a second test council, and then we would like for it to run in approximately 5 new locations around the country. Towards this end, we are looking for Girl Scout councils and astronomers who can partner up to run this activity. We can supply manuals, remote support through our experienced team, and through our NASA ROSES grant, may be able to help provide supplies for the first five Girl Scout/astronomer teams available to conduct BESG in 2009.

  15. Big Explosions, Strong Gravity: Making Girl Scouts ACEs of Space through Chandra Outreach

    NASA Astrophysics Data System (ADS)

    Hornschemeier, A. E.; Lochner, J. C.; Ganguly, R.; Feaga, L. M.; Ford, K. E. S.

    2005-12-01

    Thanks to two years of Chandra E/PO funding we have carried out a number of successful activities with the Girl Scouts of Central Maryland, focusing on girls in the 11-17 year age range. Our reasons for targeting this age range include the general decline in interest in math and science that occurs at or after children reach this critical age (meaning that we reach them early enough to have a positive effect). We initially target girls due to their underrepresentation in science, but the actitivities are all gender-neutral and highly adaptable to other groups. The program includes two components, in collaboration with Girl Scouts of Central Maryland. The first component is a well-established one-day Girl Scout patch activity entitled Big Explosions and Strong Gravity (BESG) where the girls earn a patch for their badge sash. The four BESG activities, mostly adapted from existing E/PO material, are available on the World Wide Web for use by others. The activities cover the electromagnetic spectrum as a tool for astronomy, the cosmic abundance of the elements and the supernova origin of many of the elements, black holes and their detection, and supernova explosions/stellar evolution. Thus far approximately 200 girls and their parents have participated in BESG and it has now become part of the council culture. The second activity is new and is part of the relatively new Girl Scout Studio 2B program, which is a girl-led program for the 11-17 year age range. Based on several meetings with small groups of girls and adults, we have formed a Studio 2B "club" called the ACE of Space Club (Astronomical Cosmic Exploration). We'll describe our experiences interacting with the Girl Scouts in this girl-led program.

  16. Will the integration of a Girl Scout STEM workshop improve the interest and confidence of underserved millenial students in STEM?

    NASA Astrophysics Data System (ADS)

    Mayberry, Jestine

    This study addressed how the impact of Girl Scout workshop would improve the interest and confidence of millennial students in Science, Technology, Engineering, and Math (STEM) careers. This study sought to determine if a three-week Girl Scout curriculum would impact urban female students' interest in STEM, confidence in science, and motivation to pursue STEM careers. The curriculum included hands-on STEM activities along with a guest speaker. The Girl Scouts completed the Test of Science-Related Attitudes (TOSRA) to determine their attitude toward science. Girl Scouts, parents, and troop leaders completed a post-workshop survey based on their experience. Chi Square tests, frequencies, and an ANOVA were run to analyze the results, which indicated an increase in interest and confidence.

  17. NEA Scout and Lunar Flashlight: Two NearTerm Interplanetary CubeSat Missions

    NASA Technical Reports Server (NTRS)

    Johnson, Les

    2015-01-01

    NASA is developing two small satellite missions as part of the Advanced Exploration Systems (AES) Program, both of which will use a solar sail to enable their scientific objectives. Solar sails reflect sunlight from a large, mirror-like sail made of a lightweight, highly reflective material to provide thrust. This continuous photon pressure provides propellantless thrust, allowing for very high delta V maneuvers in space. Lunar Flashlight, managed by the NASA Jet Propulsion Laboratory, will search for and map volatiles in permanently shadowed lunar craters using a solar sail as a gigantic mirror to steer sunlight into them, then examine the reflected light with a spectrometer. The Lunar Flashlight spacecraft will also use the solar sail to maneuver into a lunar polar orbit. The mission will demonstrate a low-cost capability to explore, locate and estimate the size and composition of ice deposits on the Moon. The Near Earth Asteroid (NEA) Scout mission, managed by the NASA Marshall Space Flight Center will survey and image a Near Earth Asteroid for possible future human exploration using a smallsat propelled by a solar sail. Detections of NEAs are expected to grow in the near future, offering increasing target opportunities. Obtaining and analyzing relevant data about these bodies via robotic precursors before committing a crew to visit them is essential. The NEA Scout spacecraft is nearly identical to the one being developed for Lunar Flashlight, with the science instrument package being the primary difference. The NEA Scout solar sail will provide the primary propulsion taking the 6U cubesat from near the Earth to its final asteroid destination and the Lunar Flashlight sail will provide the propulsion necessary for its spacecraft to enter lunar orbit. Both projects will use an 85 m2 solar sail developed by NASA MSFC. The NEA Scout and Lunar Flashlight flight systems are based on a 6U cubesat form factor, with a stowed envelope of 10 x 20 x 30 cm and a mass of less

  18. Characterization of Genomic Variants Associated with Scout and Recruit Behavioral Castes in Honey Bees Using Whole-Genome Sequencing

    PubMed Central

    Southey, Bruce R.; Zhu, Ping; Carr-Markell, Morgan K.; Liang, Zhengzheng S.; Zayed, Amro; Li, Ruiqiang; Robinson, Gene E.; Rodriguez-Zas, Sandra L.

    2016-01-01

    Among forager honey bees, scouts seek new resources and return to the colony, enlisting recruits to collect these resources. Differentially expressed genes between these behaviors and genetic variability in scouting phenotypes have been reported. Whole-genome sequencing of 44 Apis mellifera scouts and recruits was undertaken to detect variants and further understand the genetic architecture underlying the behavioral differences between scouts and recruits. The median coverage depth in recruits and scouts was 10.01 and 10.7 X, respectively. Representation of bacterial species among the unmapped reads reflected a more diverse microbiome in scouts than recruits. Overall, 1,412,705 polymorphic positions were analyzed for associations with scouting behavior, and 212 significant (p-value < 0.0001) associations with scouting corresponding to 137 positions were detected. Most frequent putative transcription factor binding sites proximal to significant variants included Broad-complex 4, Broad-complex 1, Hunchback, and CF2-II. Three variants associated with scouting were located within coding regions of ncRNAs including one codon change (LOC102653644) and 2 frameshift indels (LOC102654879 and LOC102655256). Significant variants were also identified on the 5’UTR of membrin, and 3’UTRs of laccase 2 and diacylglycerol kinase theta. The 60 significant variants located within introns corresponded to 39 genes and most of these positions were > 1000 bp apart from each other. A number of these variants were mapped to ncRNA LOC100578102, solute carrier family 12 member 6-like gene, and LOC100576965 (meprin and TRAF-C homology domain containing gene). Functional categories represented among the genes corresponding to significant variants included: neuronal function, exoskeleton, immune response, salivary gland development, and enzymatic food processing. These categories offer a glimpse into the molecular support to the behaviors of scouts and recruits. The level of association

  19. SU-E-T-431: Feasiblity of Using CT Scout Images for 2D LDR Brachytherpay Planning

    SciTech Connect

    Ha, J; Weaver, R

    2015-06-15

    Purpose: i) To show the feasibility of using CT scout images for 2D low-dose rate brachytherapy planning with BrachyVision (version 10.4); ii) to show their advantages and disadvantages over DRRs. Methods: A phantom was constructed to house a Fletcher-Suite applicator. The phantom is made of Styrofoam with metal BBs positioned at well-defined separations. These markers are used to assess the image distortion in the scout images. Unlike DRRs, scout images are distorted only in the direction normal to the couch direction; therefore, they needed to be scaled unidirectionally prior to importing into BrachyVision. In addition to confirming the scaling is performed correctly by measuring distances between well-positioned BB, we also compare a LDR plan using scout images to a 3D CT-based plan. Results: There is no distortion of the image along the couch direction due to the collimation of the CT scanner. The distortion in the transverse plane can be corrected by multiplying by the ratio of distances between source-to-isocenter and source-to-detector. The results show the distance separations between BBs as measured in scout images and by a caliber are within a few millimeters. Dosimetrically, the difference between the dose rates to points A and B based on scout images and on 3D CT are less than a few percents. The accuracy can be improved by correcting for the distortion on the transverse plane. Conclusion: It is possible to use CT scout images for 2D planning in BrachyVision. This is an advantage because scout images have no metal artifacts often present in CT images or DRRs. Another advantage is the lack of distortion in the couch direction. One major disadvantage is that the image distortion due to beam divergence can be large. This is due to the inherent short distance between source-to-isocenter and source-to-detector on a CT scanner.

  20. A self-instructional manual for installing low-cost/no-cost weatherization materials: Experimental validation with scouts

    PubMed Central

    Pavlovich, Mark; Greene, Brandon F.

    1984-01-01

    In this study, we describe the development and evaluation of a self-instructional program for installing 10 low-cost/no-cost weatherization materials (e.g., weatherstripping, caulking). This program was a weatherization and retrofit manual (WARM) providing step-by-step instructions and illustrations. Boy and Girl Scouts participated and used either the WARM or existing product instructions (EPI) to apply the materials. Scouts installed the materials properly only when they used the WARM. PMID:16795671

  1. A self-instructional manual for installing low-cost/no-cost weatherization materials: Experimental validation with scouts.

    PubMed

    Pavlovich, M; Greene, B F

    1984-01-01

    In this study, we describe the development and evaluation of a self-instructional program for installing 10 low-cost/no-cost weatherization materials (e.g., weatherstripping, caulking). This program was a weatherization and retrofit manual (WARM) providing step-by-step instructions and illustrations. Boy and Girl Scouts participated and used either the WARM or existing product instructions (EPI) to apply the materials. Scouts installed the materials properly only when they used the WARM.

  2. Site handbook: data acquisition system information, Shelly Ridge Program Center for the Girl Scouts of greater Philadelphia, Miquon, Pennsylvania

    SciTech Connect

    Not Available

    1985-01-01

    Data were collected at the Shelly Ridge Girl Scout Center using an Aeolian Kinetics PDL-24 data acquisition system. Instantaneous data readings were recorded each 15 seconds by the microprocessor. These channel readings were then averaged to produce hourly values which were then stored on an audio cassette. These hourly data were then transcribed to the AIAF archive. The Girl Scout Center features an 861 square foot unvented Trombe wall, a direct gain sunspace, and two rooftop collectors for heating domestic water.

  3. A group-randomized controlled trial for health promotion in Girl Scouts: healthier troops in a SNAP (Scouting Nutrition & Activity Program).

    PubMed

    Rosenkranz, Richard R; Behrens, Timothy K; Dzewaltowski, David A

    2010-02-19

    Girl Scouting may offer a viable channel for health promotion and obesity prevention programs. This study evaluated the effectiveness of an intervention program delivered through Girl Scout Junior troops that was designed to foster healthful troop meeting environments and increase obesity prevention behaviors at home. Seven Girl Scout troops were randomized to intervention (n = 3, with 34 girls) or standard-care control (n = 4, with 42 girls) conditions. Girls ranged in age from 9 to 13 years (mean 10.5 years). Intervention troop leaders were trained to implement policies promoting physical activity (PA) and healthful eating opportunities at troop meetings, and to implement a curriculum promoting obesity-prevention behaviors at home. The primary outcome variable was child body mass index (BMI) z-score. Secondary outcomes included accelerometer-assessed PA levels in troop meetings, direct observations of snack offerings, time spent in physically active meeting content, and leader encouragement of PA and healthful eating. The intervention was delivered with good fidelity, and intervention troops provided greater opportunities for healthful eating and PA (x2 = 210.8, p < .001), relative to control troops. In troop meetings, intervention troop leaders promoted PA (x2 = 23.46, p < .001) and healthful eating (x2 = 18.14, p < .001) more frequently, and discouraged healthful eating and PA less frequently (x2 = 9.63, p = .002) compared to control troop leaders. Most effects of the intervention on individual-level variables of girls and parents were not significantly different from the control condition, including the primary outcome of child BMI z-score (F1, 5 = 0.42, p = .544), parent BMI (F1, 5 = 1.58, p = .264), and related behavioral variables. The notable exception was for objectively assessed troop PA, wherein girls in intervention troops accumulated significantly less sedentary (x2 = 6.3, p = .011), significantly more moderate (x2 = 8.2, p = .004), and more moderate

  4. A group-randomized controlled trial for health promotion in Girl Scouts: Healthier Troops in a SNAP (Scouting Nutrition & Activity Program)

    PubMed Central

    2010-01-01

    Background Girl Scouting may offer a viable channel for health promotion and obesity prevention programs. This study evaluated the effectiveness of an intervention program delivered through Girl Scout Junior troops that was designed to foster healthful troop meeting environments and increase obesity prevention behaviors at home. Methods Seven Girl Scout troops were randomized to intervention (n = 3, with 34 girls) or standard-care control (n = 4, with 42 girls) conditions. Girls ranged in age from 9 to 13 years (mean 10.5 years). Intervention troop leaders were trained to implement policies promoting physical activity (PA) and healthful eating opportunities at troop meetings, and to implement a curriculum promoting obesity-prevention behaviors at home. The primary outcome variable was child body mass index (BMI) z-score. Secondary outcomes included accelerometer-assessed PA levels in troop meetings, direct observations of snack offerings, time spent in physically active meeting content, and leader encouragement of PA and healthful eating. Results The intervention was delivered with good fidelity, and intervention troops provided greater opportunities for healthful eating and PA (x2 = 210.8, p < .001), relative to control troops. In troop meetings, intervention troop leaders promoted PA (x2 = 23.46, p < .001) and healthful eating (x2 = 18.14, p < .001) more frequently, and discouraged healthful eating and PA less frequently (x2 = 9.63, p = .002) compared to control troop leaders. Most effects of the intervention on individual-level variables of girls and parents were not significantly different from the control condition, including the primary outcome of child BMI z-score (F1, 5 = 0.42, p = .544), parent BMI (F1, 5 = 1.58, p = .264), and related behavioral variables. The notable exception was for objectively assessed troop PA, wherein girls in intervention troops accumulated significantly less sedentary (x2 = 6.3, p = .011), significantly more moderate (x2 = 8.2, p

  5. Discrete particle swarm optimization with scout particles for library materials acquisition.

    PubMed

    Wu, Yi-Ling; Ho, Tsu-Feng; Shyu, Shyong Jian; Lin, Bertrand M T

    2013-01-01

    Materials acquisition is one of the critical challenges faced by academic libraries. This paper presents an integer programming model of the studied problem by considering how to select materials in order to maximize the average preference and the budget execution rate under some practical restrictions including departmental budget, limitation of the number of materials in each category and each language. To tackle the constrained problem, we propose a discrete particle swarm optimization (DPSO) with scout particles, where each particle, represented as a binary matrix, corresponds to a candidate solution to the problem. An initialization algorithm and a penalty function are designed to cope with the constraints, and the scout particles are employed to enhance the exploration within the solution space. To demonstrate the effectiveness and efficiency of the proposed DPSO, a series of computational experiments are designed and conducted. The results are statistically analyzed, and it is evinced that the proposed DPSO is an effective approach for the studied problem.

  6. THORON-SCOUT - first diffusion based active Radon and Thoron monitor

    NASA Astrophysics Data System (ADS)

    Wagner, W.; Streil, T.; Oeser, V.; Horak, G.; Duzynski, M.

    2016-10-01

    THORON-SCOUT is a stand-alone diffusion based active Radon and Thoron monitor for long term indoor measurements to evaluate the human health risk due to activity concentration in the breathing air. Alpha-particle spectroscopy of Po isotopes, being the progeny of the decay of the radioactive noble gas Radon, is applied to separately monitor activity contributions of 222Rn and 220Rn (Thoron) as well. In this work we show that the portion of Thoron (Tn) may locally be remarkable and even dominating and cannot be neglected as often has been assumed up to now. Along with tobacco consumption, Rn radioactivity turned out to be a dangerous cause of lung cancer, especially in older badly vented buildings situated in regions of radioactive geological formations. THORON-SCOUT allows a precise examination of the indoor atmosphere with respect to Rn and Inactivity concentration and, therefore, a realistic evaluation of corresponding health risk.

  7. Outbreak of leptospirosis during a scout camp in the Luxembourg Belgian province, Belgium, summer 2012.

    PubMed

    Mori, M; VAN Esbroeck, M; Depoorter, S; Decaluwe, W; Vandecasteele, S J; Fretin, D; Reynders, M

    2015-06-01

    An outbreak of leptospirosis occurred in the South of Belgium, during August 2012, in teenagers who participated in two consecutive adventure scout camps near the Semois river. Among the symptomatic patient population (ten scouts), clinical manifestations included headache (70%), myalgia (50%), fever (50%), bilateral conjunctival injection (50%), general malaise (30%), vomiting (20%), anorexia (20%) and cough (20%). Some of the cases presented elevated blood creatinine (40%), or proteinuria (30%). Three patients were confirmed by serology and one by polymerase chain reaction. Potential risk factors included direct contact with a muskrat and indirect contact with potentially contaminated environments including the river water. Prospective environmental investigation carried out near the river banks 2 weeks after the outbreak identified Ondatra zibethicus (muskrat) as one Leptospira sp. reservoir.

  8. Discrete Particle Swarm Optimization with Scout Particles for Library Materials Acquisition

    PubMed Central

    Lin, Bertrand M. T.

    2013-01-01

    Materials acquisition is one of the critical challenges faced by academic libraries. This paper presents an integer programming model of the studied problem by considering how to select materials in order to maximize the average preference and the budget execution rate under some practical restrictions including departmental budget, limitation of the number of materials in each category and each language. To tackle the constrained problem, we propose a discrete particle swarm optimization (DPSO) with scout particles, where each particle, represented as a binary matrix, corresponds to a candidate solution to the problem. An initialization algorithm and a penalty function are designed to cope with the constraints, and the scout particles are employed to enhance the exploration within the solution space. To demonstrate the effectiveness and efficiency of the proposed DPSO, a series of computational experiments are designed and conducted. The results are statistically analyzed, and it is evinced that the proposed DPSO is an effective approach for the studied problem. PMID:24072983

  9. Big Explosions and Strong Gravity: Partnering with Girl Scouts and Expanding to the Nation

    NASA Astrophysics Data System (ADS)

    Eyermann, Sarah E.; Hornschemeier, A.; Shkolyar, S.

    2010-01-01

    Big Explosions and Strong Gravity (BESG) is an activity designed to allow girls to interact with actual astronomers. In this Girl Scout patch-earning event, girls spend a day exploring supernovae, black holes, the abundance of elements in the universe, and spectroscopy. The girls who participate in this event range from about 11 to 14 years old. Although all the activities are gender-neutral, we have chosen girls due to their underrepresentation in science. There is a general decline in interest in math and science that occurs at or after children reach this critical age. By targeting this age range, we hope to reach them early enough to have a positive effect. BESG is a collaboration between Girl Scouts and scientists, and was originally set into motion using money from the Chandra X-ray Observatory E/PO program. It was originally run with the Girl Scouts of Central Maryland and scientists in the Baltimore and Washington DC areas. Thanks to a NASA ROSES grant, we are now working to expand this program nationally. Already the program has been piloted in one other council, and others have been trained, either in person or through NASA Goddard's Distance Learning Network (DLN). During the pilot phase, we would like for it to be run in at least 5 new locations around the country. We are still seeking partners to make this happen. We can supply manuals, remote support through our experienced team, and through our NASA ROSES grant, may be able to help provide supplies for the first five Girl Scout/astronomer teams available to conduct BESG in 2009/early 2010.

  10. Solar Sail Attitude Control System for the NASA Near Earth Asteroid Scout Mission

    NASA Technical Reports Server (NTRS)

    Orphee, Juan; Diedrich, Ben; Stiltner, Brandon; Becker, Chris; Heaton, Andrew

    2017-01-01

    An Attitude Control System (ACS) has been developed for the NASA Near Earth Asteroid (NEA) Scout mission. The NEA Scout spacecraft is a 6U cubesat with an eighty-six square meter solar sail for primary propulsion that will launch as a secondary payload on the Space Launch System (SLS) Exploration Mission 1 (EM-1) and rendezvous with a target asteroid after a two year journey, and will conduct science imagery. The spacecraft ACS consists of three major actuating subsystems: a Reaction Wheel (RW) control system, a Reaction Control System (RCS), and an Active Mass Translator (AMT) system. The reaction wheels allow fine pointing and higher rates with low mass actuators to meet the science, communication, and trajectory guidance requirements. The Momentum Management System (MMS) keeps the speed of the wheels within their operating margins using a combination of solar torque and the RCS. The AMT is used to adjust the sign and magnitude of the solar torque to manage pitch and yaw momentum. The RCS is used for initial de-tumble, performing a Trajectory Correction Maneuver (TCM), and performing momentum management about the roll axis. The NEA Scout ACS is able to meet all mission requirements including attitude hold, slews, pointing for optical navigation and pointing for science with margin and including flexible body effects. Here we discuss the challenges and solutions of meeting NEA Scout mission requirements for the ACS design, and present a novel implementation of managing the spacecraft Center of Mass (CM) to trim the solar sail disturbance torque. The ACS we have developed has an applicability to a range of potential missions and does so in a much smaller volume than is traditional for deep space missions beyond Earth.

  11. Information from Searching Content with an Ontology-Utilizing Toolkit (iSCOUT).

    PubMed

    Lacson, Ronilda; Andriole, Katherine P; Prevedello, Luciano M; Khorasani, Ramin

    2012-08-01

    Radiology reports are permanent legal documents that serve as official interpretation of imaging tests. Manual analysis of textual information contained in these reports requires significant time and effort. This study describes the development and initial evaluation of a toolkit that enables automated identification of relevant information from within these largely unstructured text reports. We developed and made publicly available a natural language processing toolkit, Information from Searching Content with an Ontology-Utilizing Toolkit (iSCOUT). Core functions are included in the following modules: the Data Loader, Header Extractor, Terminology Interface, Reviewer, and Analyzer. The toolkit enables search for specific terms and retrieval of (radiology) reports containing exact term matches as well as similar or synonymous term matches within the text of the report. The Terminology Interface is the main component of the toolkit. It allows query expansion based on synonyms from a controlled terminology (e.g., RadLex or National Cancer Institute Thesaurus [NCIT]). We evaluated iSCOUT document retrieval of radiology reports that contained liver cysts, and compared precision and recall with and without using NCIT synonyms for query expansion. iSCOUT retrieved radiology reports with documented liver cysts with a precision of 0.92 and recall of 0.96, utilizing NCIT. This recall (i.e., utilizing the Terminology Interface) is significantly better than using each of two search terms alone (0.72, p=0.03 for liver cyst and 0.52, p=0.0002 for hepatic cyst). iSCOUT reliably assembled relevant radiology reports for a cohort of patients with liver cysts with significant improvement in document retrieval when utilizing controlled lexicons.

  12. MAIL LOG, program theory, volume 1. [Scout project automatic data system

    NASA Technical Reports Server (NTRS)

    Harris, D. K.

    1979-01-01

    The program theory used to obtain the software package, MAIL LOG, developed for the Scout Project Automatic Data System, SPADS, is described. The program is written in FORTRAN for the PRIME 300 computer system. The MAIL LOG data base consists of three main subfiles: (1) incoming and outgoing mail correspondence; (2) design information releases and reports; and (3) drawings and engineering orders. All subroutine descriptions, flowcharts, and MAIL LOG outputs are given and the data base design is described.

  13. Operative strategies of HLB's scouts of a citrus property within the State of Sao Paulo, Brazil.

    PubMed

    Gonçalves, Glaucia Helena; Menegon, Nilton Luiz

    2012-01-01

    This research aimed to study the activity of the HLB's scouts, workers whose function is to identify symptomatic plants, in order to understand the physical constraints, cognitive and organizational involved in accomplishing the task, characterizing the operative approach used to identify diseased plants, and to elucidate what aspects hinder the identification of symptoms. The method adopted for the research was the Ergonomic Analysis of Work--EAW [6]. The results, after validation with the operators and management, allowed understanding the complex relationships between the physical, cognitive and organizational aspects present on activity. Major difficulties were observed mainly in relation to the disposal of the scouts on the platforms and in relation to working hours, at the beginning and end of the journey. Important findings have highlighted strategies, unknown by the organization, used by scouts to locate candidates' trees to the fine analysis of investigation of symptoms. In conclusion, the analysis enable to understand the constraints and find technical and organizational solutions to the survey work on citrus groves as well as it showed signs and symptoms not investigated yet or rarely considered by researchers involved on searches aimed at increasing the ability to diagnose the disease in the field.

  14. Responses to Three USARIEM Job Analysis Questionnaires (JAQs) Conducted with Cavalry Scouts and Armor Crewmen (MOSs 19D and 19K)

    DTIC Science & Technology

    2016-11-18

    indicated as being more important but less frequently done . For cavalry scouts, these tasks were: 1) with the assistance of another Soldier, pulling a... done . For cavalry scouts, this task was using a shovel or entrenching tool to JAQ Responses Among Cavalry Scouts and Armor Crewmen (19D & 19K) Page...said they had done only eight or fewer of the 12 tasks addressed by the 19K-specific JAQ within the same time period. Second, expectations and the

  15. Acquisition, preprocessing, and reconstruction of ultralow dose volumetric CT scout for organ-based CT scan planning

    SciTech Connect

    Yin, Zhye De Man, Bruno; Yao, Yangyang; Wu, Mingye; Montillo, Albert; Edic, Peter M.; Kalra, Mannudeep

    2015-05-15

    Purpose: Traditionally, 2D radiographic preparatory scan images (scout scans) are used to plan diagnostic CT scans. However, a 3D CT volume with a full 3D organ segmentation map could provide superior information for customized scan planning and other purposes. A practical challenge is to design the volumetric scout acquisition and processing steps to provide good image quality (at least good enough to enable 3D organ segmentation) while delivering a radiation dose similar to that of the conventional 2D scout. Methods: The authors explored various acquisition methods, scan parameters, postprocessing methods, and reconstruction methods through simulation and cadaver data studies to achieve an ultralow dose 3D scout while simultaneously reducing the noise and maintaining the edge strength around the target organ. Results: In a simulation study, the 3D scout with the proposed acquisition, preprocessing, and reconstruction strategy provided a similar level of organ segmentation capability as a traditional 240 mAs diagnostic scan, based on noise and normalized edge strength metrics. At the same time, the proposed approach delivers only 1.25% of the dose of a traditional scan. In a cadaver study, the authors’ pictorial-structures based organ localization algorithm successfully located the major abdominal-thoracic organs from the ultralow dose 3D scout obtained with the proposed strategy. Conclusions: The authors demonstrated that images with a similar degree of segmentation capability (interpretability) as conventional dose CT scans can be achieved with an ultralow dose 3D scout acquisition and suitable postprocessing. Furthermore, the authors applied these techniques to real cadaver CT scans with a CTDI dose level of less than 0.1 mGy and successfully generated a 3D organ localization map.

  16. Acquisition, preprocessing, and reconstruction of ultralow dose volumetric CT scout for organ-based CT scan planning.

    PubMed

    Yin, Zhye; Yao, Yangyang; Montillo, Albert; Wu, Mingye; Edic, Peter M; Kalra, Mannudeep; De Man, Bruno

    2015-05-01

    Traditionally, 2D radiographic preparatory scan images (scout scans) are used to plan diagnostic CT scans. However, a 3D CT volume with a full 3D organ segmentation map could provide superior information for customized scan planning and other purposes. A practical challenge is to design the volumetric scout acquisition and processing steps to provide good image quality (at least good enough to enable 3D organ segmentation) while delivering a radiation dose similar to that of the conventional 2D scout. The authors explored various acquisition methods, scan parameters, postprocessing methods, and reconstruction methods through simulation and cadaver data studies to achieve an ultralow dose 3D scout while simultaneously reducing the noise and maintaining the edge strength around the target organ. In a simulation study, the 3D scout with the proposed acquisition, preprocessing, and reconstruction strategy provided a similar level of organ segmentation capability as a traditional 240 mAs diagnostic scan, based on noise and normalized edge strength metrics. At the same time, the proposed approach delivers only 1.25% of the dose of a traditional scan. In a cadaver study, the authors' pictorial-structures based organ localization algorithm successfully located the major abdominal-thoracic organs from the ultralow dose 3D scout obtained with the proposed strategy. The authors demonstrated that images with a similar degree of segmentation capability (interpretability) as conventional dose CT scans can be achieved with an ultralow dose 3D scout acquisition and suitable postprocessing. Furthermore, the authors applied these techniques to real cadaver CT scans with a CTDI dose level of less than 0.1 mGy and successfully generated a 3D organ localization map.

  17. Combined use of transverse and scout computed tomography scans to localize radioactive seeds in an interstitial brachytherapy implant.

    PubMed

    Yue, N; Chen, Z; Bond, J E; Son, Y H; Nath, R

    1999-04-01

    Various techniques have been developed to localize radioactive sources in brachytherapy implants. The most common methods include the orthogonal film method, the stereo-shift film method, and recently, direct localization from a series of contiguous CT transverse images. The major advantage of the CT method is that it provides the seed locations relative to anatomic structures. However, it is often the case that accurate identification and localization of the sources become difficult because of partial source artifacts in more than one transverse cut and other artifacts on CT images. A new algorithm has been developed to combine the advantages of using a pair of orthogonal scout views with the advantages of using a stack of transverse cuts. In the new algorithm, a common reference point is used to correlate CT transverse images and two orthogonal scout CT scans (AP and lateral). The radioactive sources are localized on CT transverse images. At the same time, the sources are displayed automatically on the two CT scout scans. In this way, the individual sources can be clearly distinguished and ambiguities arising from partial source artifacts are resolved immediately. Because of the finite slice thickness of transverse cuts, the longitudinal coordinates are more accurately obtained from the scout views. Therefore, the longitudinal coordinates of seeds localized on the transverse cuts are adjusted so that they match the position of the seeds on scout views. The algorithm has been tested on clinical cases and has proved to be a time saving and accurate method.

  18. Great Scouts! CyberGuides for Subject Searching on the Web. Discover the Internet That Speaks to Your Specific Information Needs.

    ERIC Educational Resources Information Center

    Paul, Nora; Williams, Margot; Hane, Paula, J., Ed.

    This guide profiles the best of the Internet's "scout sites"--Web sites that provide access to the most important online sources of information on specific subjects. Scout sites act as Web directories, offering researchers an alternative to search engines by providing organized collections of links to the most appropriate and useful Web…

  19. Scout: short-arc orbit analysis and hazard assessment for newly discovered asteroids

    NASA Astrophysics Data System (ADS)

    Farnocchia, Davide; Chesley, Steven R.; Micheli, Marco

    2016-05-01

    It typically takes a few days for a newly discovered asteroid to be officially recognized as a real object. This time is needed to collect additional data and make sure the observations belong to an actual asteroid rather than being an artifact or corresponding to an artificial object. However, asteroids could experience an Earth close approach or even an impact only a few days or less after the discovery observations, as in the cases of 2008 TC3 and 2014 AA, i.e., the only two asteroids discovered before an Earth impact. In such cases, a rapid identification of the close approach or impact dramatically improves the chances of securing the asteroid's trajectory with additional observations prior to impact. Scout is an automated system that provides an orbital and hazard assessment for new potential asteroid discoveries within minutes after the observations are available. Since the time interval covered by the observations is generally short, perhaps only a few hours or even less, there are severe degeneracies in the orbit estimation process. To overcome these degeneracies Scout relies on systematic ranging, a technique that scans the poorly constrained space of topocentric range and range rate, while the plane-of-sky position and motion are directly tied to the recorded observations. This scan allows us to identify the possible orbits and the regions corresponding to collision solutions, as well as potential impact times and locations. From the probability distribution of the observation errors, Scout derives a probability distribution in the orbital space and in turn estimates several metrics of interest, e.g., probability of an Earth impact, of a close approach to Earth, and of being a mission-accessible target.

  20. Near Earth Asteroid Scout Solar Sail Engineering Development Unit Test Suite

    NASA Technical Reports Server (NTRS)

    Lockett, Tiffany Russell; Few, Alexander; Wilson, Richard

    2017-01-01

    The Near Earth Asteroid (NEA) Scout project is a 6U reconnaissance mission to investigate a near Earth asteroid utilizing an 86m(sub 2) solar sail as the primary propulsion system. This will be the largest solar sail NASA has launched to date. NEA Scout is currently manifested on the maiden voyage of the Space Launch System in 2018. In development of the solar sail subsystem, design challenges were identified and investigated for packaging within a 6U form factor and deployment in cis-lunar space. Analysis was able to capture understanding of thermal, stress, and dynamics of the stowed system as well as mature an integrated sail membrane model for deployed flight dynamics. Full scale system testing on the ground is the optimal way to demonstrate system robustness, repeatability, and overall performance on a compressed flight schedule. To physically test the system, the team developed a flight sized engineering development unit with design features as close to flight as possible. The test suite included ascent vent, random vibration, functional deployments, thermal vacuum, and full sail deployments. All of these tests contributed towards development of the final flight unit. This paper will address several of the design challenges and lessons learned from the NEA Scout solar sail subsystem engineering development unit. Testing on the component level all the way to the integrated subsystem level. From optical properties of the sail material to fold and spooling the single sail, the team has developed a robust deployment system for the solar sail. The team completed several deployments of the sail system in preparation for flight at half scale (4m) and full scale (6.8m): boom only, half scale sail deployment, and full scale sail deployment. This paper will also address expected and received test results from ascent vent, random vibration, and deployment tests.

  1. High-throughput and multiplexed regeneration buffer scouting for affinity-based interactions.

    PubMed

    Geuijen, Karin P M; Schasfoort, Richard B; Wijffels, Rene H; Eppink, Michel H M

    2014-06-01

    Affinity-based analyses on biosensors depend partly on regeneration between measurements. Regeneration is performed with a buffer that efficiently breaks all interactions between ligand and analyte while maintaining the active binding site of the ligand. We demonstrated a regeneration buffer scouting using the combination of a continuous flow microspotter with a surface plasmon resonance imaging platform to simultaneously test 48 different regeneration buffers on a single biosensor. Optimal regeneration conditions are found within hours and consume little amounts of buffers, analyte, and ligand. This workflow can be applied to any ligand that is coupled through amine, thiol, or streptavidin immobilization. Copyright © 2014 Elsevier Inc. All rights reserved.

  2. Youth cancer education through a combined American Cancer Society-Boy Scouts of America pilot program.

    PubMed

    Presant, C A; Presant, S L; Mack, J; Atterbury, G B; French, R A; Schroeder, T

    1987-01-01

    A pilot cancer education program for Boy Scouts in grades six through nine was developed. Motivation to complete requirements was provided by awarding a "Cancer Awareness Patch." Content of the program included health issues related to smoking and tobacco use, diet, and sun exposure, plus education about the practice of testicular self-examination, and sunscreen usage. Retention of factual material was good up to 18 months post-program. Participants developed positive attitudes toward lifestyle development and volunteerism. The program is recommended for supplementation of school health promotion curricula.

  3. Comparison of computed tomography scout based reference point localization to conventional film and axial computed tomography.

    PubMed

    Jiang, Lan; Templeton, Alistair; Turian, Julius; Kirk, Michael; Zusag, Thomas; Chu, James C H

    2011-01-01

    Identification of source positions after implantation is an important step in brachytherapy planning. Reconstruction is traditionally performed from films taken by conventional simulators, but these are gradually being replaced in the clinic by computed tomography (CT) simulators. The present study explored the use of a scout image-based reconstruction algorithm that replaces the use of traditional film, while exhibiting low sensitivity to metal-induced artifacts that can appear in 3D CT methods. In addition, the accuracy of an in-house graphical software implementation of scout-based reconstruction was compared with seed location reconstructions for 2 phantoms by conventional simulator and CT measurements. One phantom was constructed using a planar fixed grid of 1.5-mm diameter ball bearings (BBs) with 40-mm spacing. The second was a Fletcher-Suit applicator embedded in Styrofoam (Dow Chemical Co., Midland, MI) with one 3.2-mm-diameter BB inserted into each of 6 surrounding holes. Conventional simulator, kilovoltage CT (kVCT), megavoltage CT, and scout-based methods were evaluated by their ability to calculate the distance between seeds (40 mm for the fixed grid, 30-120 mm in Fletcher-Suit). All methods were able to reconstruct the fixed grid distances with an average deviation of <1%. The worst single deviations (approximately 6%) were exhibited in the 2 volumetric CT methods. In the Fletcher-Suit phantom, the intermodality agreement was within approximately 3%, with the conventional sim measuring marginally larger distances, with kVCT the smallest. All of the established reconstruction methods exhibited similar abilities to detect the distances between BBs. The 3D CT-based methods, with lower axial resolution, showed more variation, particularly with the smaller BBs. With a software implementation, scout-based reconstruction is an appealing approach because it simplifies data acquisition over film-based reconstruction without requiring any specialized equipment

  4. Flex Dynamics Avoidance Control of the NEA Scout Solar Sail Spacecraft's Reaction Control System

    NASA Technical Reports Server (NTRS)

    Heaton Andrew; Stiltner, Brandon; Diedrich, Benjamin; Becker, Christopher; Orphee, Juan

    2017-01-01

    The Attitude Control System (ACS) is developed for a Near Earth Asteroid (NEA) Scout mission using a solar sail. The NEA-Scout spacecraft is a 6U cubesat with an 86 square-meter solar sail. NEA Scout will launch on Space Launch System (SLS) Exploration Mission 1 (EM-1), currently scheduled to launch in 2018. The spacecraft will rendezvous with a target asteroid after a two year journey, and will conduct science imagery. The solar sail spacecraft ACS consists of three major actuating subsystems: a Reaction Wheel (RW) control system, a Reaction Control System (RCS), and an Adjustable Mass Translator (AMT) system. The three subsystems allow for a wide range of spacecraft attitude control capabilities, needed for the different phases of the NEA-Scout mission. Because the sail is a flexible structure, care must be taken in designing a control system to avoid exciting the structural modes of the sail. This is especially true for the RCS, which uses pulse actuated, cold-gas jets to control the spacecraft's attitude. While the reaction wheels can be commanded smoothly, the RCS jets are simple on-off actuators. Long duration firing of the RCS jets - firings greater than one second - can be thought of as step inputs to the spacecraft's torque. On the other hand, short duration firings - pulses on the order of 0.1 seconds - can be thought of as impulses in the spacecraft's torque. These types of inputs will excite the structural modes of the spacecraft, causing the sail to oscillate. Sail oscillations are undesirable for many reasons. Mainly, these oscillations will feed into the spacecraft attitude sensors and pointing accuracy, and long term oscillations may be undesirable over the lifetime of the solar sail. In order to limit the sail oscillations, an RCS control scheme is being developed to minimize sail excitations. Specifically, an input shaping scheme similar to the method described in Reference 1 will be employed. A detailed description of the RCS control scheme will

  5. A systems approach of the nondestructive evaluation techniques applied to Scout solid rocket motors.

    NASA Technical Reports Server (NTRS)

    Oaks, A. E.

    1971-01-01

    Review and appraisal of the status of the nondestructive tests applied to Scout solid-propellant rocket motors, using analytical techniques to evaluate radiography for detecting internal discontinuities such as voids and unbonds. Information relating to selecting, performing, controlling, and evaluating the results of NDE tests was reduced to a common simplified format. With these data and the results of the analytical studies performed, it was possible to make the basic appraisals of the ability of a test to meet all pertinent acceptance criteria and, where necessary, provide suggestions to improve the situation.

  6. Safety analysis of holmium-166 microsphere scout dose imaging during radioembolisation work-up: A cohort study.

    PubMed

    Braat, Arthur J A T; Prince, Jip F; van Rooij, Rob; Bruijnen, Rutger C G; van den Bosch, Maurice A A J; Lam, Marnix G E H

    2017-08-07

    Radioembolisation is generally preceded by a scout dose of technetium-99m-macroaggregated albumin to estimate extrahepatic shunting of activity. Holmium-166 microspheres can be used as a scout dose (±250 MBq) and as a therapeutic dose. The general toxicity of a holmium-166 scout dose ((166)Ho-SD) and safety concerns of an accidental extrahepatic deposition of (166)Ho-SD were investigated. All patients who received a (166)Ho-SD in our institute were reviewed for general toxicity and extrahepatic depositions. The absorbed dose in extrahepatic tissue was calculated on SPECT/CT and correlated to clinical toxicities. In total, 82 patients were included. No relevant clinical toxicity occurred. Six patients had an extrahepatic deposition of (166)Ho-SD (median administered activity 270 MBq). The extrahepatic depositions (median activity 3.7 MBq) were located in the duodenum (3x), gastric fundus, falciform ligament and the lesser curvature of the stomach, and were deposited in a median volume of 15.3 ml, which resulted in an estimated median absorbed dose of 3.6 Gy (range 0.3-13.8 Gy). No adverse events related to the extrahepatic deposition of the (166)Ho-SD occurred after a median follow-up of 4 months (range 1-12 months). These results support the safety of 250 MBq (166)Ho-SD in a clinical setting. • A holmium-166 scout dose is safe in a clinical setting. • Holmium-166 scout dose is a safe alternative for (99m) Tc-MAA for radioembolisation work-up. • Holmium-166 scout dose potentially has several benefits over (99m) Tc-MAA for radioembolisation work-up.

  7. Realistic global scouting for pests and diseases on cut rose crops.

    PubMed

    Bout, Alexandre; Boll, Roger; Mailleret, Ludovic; Poncet, Christine

    2010-12-01

    Scouting is considered an essential component of integrated pest management strategies, but most of the techniques, which involve visual assessment, remain too time-consuming for application on a commercial scale. The global scouting method proposed here for greenhouse rose (Rosa spp.) crops combines several rapid visual methods for common pests and diseases, in a single sampling process. A 2-min observation time per sampling unit is required, with two observers. The sampling unit consists of a single stem with its flower and the corresponding basal foliage. A 90-unit regular grid (1 U/6.4 m2) was used, with weekly assessments, including a spatial distribution approach, for pest monitoring. Different grid sizes were simulated and tested with reference data, to determine whether to decrease the number of sampling units. A grid size of 1 U/21 m2 was found to be acceptable, with no significant loss of information. A more realistic and cheaper sampling strategy of this type is more likely to be accepted by growers, increasing the efficiency of crop monitoring and leading to more rational decisions.

  8. Lunar scout missions: Galileo encounter results and application to scientific problems and exploration requirements

    NASA Technical Reports Server (NTRS)

    Head, J. W.; Belton, M.; Greeley, R.; Pieters, C.; Mcewen, A.; Neukum, G.; Mccord, T.

    1993-01-01

    The Lunar Scout Missions (payload: x-ray fluorescence spectrometer, high-resolution stereocamera, neutron spectrometer, gamma-ray spectrometer, imaging spectrometer, gravity experiment) will provide a global data set for the chemistry, mineralogy, geology, topography, and gravity of the Moon. These data will in turn provide an important baseline for the further scientific exploration of the Moon by all-purpose landers and micro-rovers, and sample return missions from sites shown to be of primary interest from the global orbital data. These data would clearly provide the basis for intelligent selection of sites for the establishment of lunar base sites for long-term scientific and resource exploration and engineering studies. The two recent Galileo encounters with the Moon (December, 1990 and December, 1992) illustrate how modern technology can be applied to significant lunar problems. We emphasize the regional results of the Galileo SSI to show the promise of geologic unit definition and characterization as an example of what can be done with the global coverage to be obtained by the Lunar Scout Missions.

  9. Cosmic rays: a review for astrobiologists.

    PubMed

    Ferrari, Franco; Szuszkiewicz, Ewa

    2009-05-01

    Cosmic rays represent one of the most fascinating research themes in modern astronomy and physics. Significant progress is being made toward an understanding of the astrophysics of the sources of cosmic rays and the physics of interactions in the ultrahigh-energy range. This is possible because several new experiments in these areas have been initiated. Cosmic rays may hold answers to a great number of fundamental questions, but they also shape our natural habitat and influence the radiation environment of our planet Earth. The importance of the study of cosmic rays has been acknowledged in many fields, including space weather science and astrobiology. Here, we concentrate on the astrobiological aspects of cosmic rays with regard to the enormous amount of new data available, some of which may, in fact, improve our knowledge about the radiation of cosmic origin on Earth. We focus on fluxes arriving at Earth and doses received, and will guide the reader through the wealth of scientific literature on cosmic rays. We have prepared a concise and self-contained source of data and recipes useful for performing interdisciplinary research in cosmic rays and their effects on life on Earth.

  10. Why Earth cryopegs are interesting to astrobiologists?

    NASA Astrophysics Data System (ADS)

    Rivkina, Elizaveta; Spirina, Elena; Demidov, Nikita; Shcherbakova, Viktoria; Yoshikawa, Kenji; Gilichinsky, David

    The lenses of perennially overcooled water brines (cryopegs) derived from ancient marine sedi-ments and sandwiched within permafrost 10 to 120,000 years ago after the placeArctic Ocean regressions. In these lenses freezing is prevented by freezing-point depression due to the dis-solved salt and they remain liquid at the in situ temperatures down to -11oC as a result of their high sodium-chloride concentration (3-5 mol/l). Cryopegs make up the only habitat on Earth that is characterized by permanently subzero temperatures, high salinity, and isolation from the influence of external factors during geological time. During last years the biodiversity of cryopeg's indigenous microbial community along the Arctic coast of placePlaceNamePolar PlaceTypeOcean (Kara and placeEast Siberian Sea, placePla-ceNameJamal PlaceTypePeninsula and placePlaceTypeCape PlaceNameBarrow) were studied and the new species representing the different genera have been isolated and described. There were found both aerobic and anaerobic microorganisms: Psychrobacters, Sulfate-reducers, Clostridia, etc. The isolated bacteria grew at subzero temperatures, and were also tolerant to salt concentra-tions up to metricconverterProductID3 M3 M NaCl. The microorganisms detected in cryopegs are halophilic and psychrophilic organisms at the same time. The microbial activity detected in cryopegs (14C-labeled glucose consumption) at temperatures as low as metricconverterProductID-15?C-15C-15° C documents the fact that subzero temper-atures themselves do not exclude biochemical reactions. In situ microbial activity and survival of microorganisms in a low-temperature high-salt aquatic environment on a geological time scale indicates the special type of microbial adaptation. From the astrobiological perspective, mineral-enriched brines provide the only opportunity for free water within the Martian subsurface permafrost, formed when Mars became dry and cold. These brines, just as terrestrial cryopegs, may contain microorganisms adapted to low tem-perature and high salinity. The halotolerant and halophilic, psychrophilic and psychrotrophic microbial community within Arctic water brines, represent the model of a plausible prototype for Martian microbial life. Based on the maps of temperature and salt distribution on the surface of Mars, areas most favorable for existence of cryopegs may be detected.

  11. Martin Brasier (1947-2014): astrobiologist

    NASA Astrophysics Data System (ADS)

    McMahon, Sean; Cockell, Charles

    2015-10-01

    How did life on Earth begin? What does the search for life in the distant past tell us about the search for life on distant planets? How should the most ancient and ambiguous putative biosignatures be critically evaluated? How did the Earth-life system evolve through the dramatic upheavals of the Precambrian-Cambrian boundary? When and why did eukaryotes begin to produce mineralized skeletons? These are among the astrobiological questions to which palaeobiologist Martin Brasier made profound contributions in a career spanning nearly half a century and tragically cut short late last year. Here, we summarize and celebrate Martin's contributions to astrobiology.

  12. Effects of a behaviour change intervention for Girl Scouts on child and parent energy-saving behaviours

    NASA Astrophysics Data System (ADS)

    Boudet, Hilary; Ardoin, Nicole M.; Flora, June; Armel, K. Carrie; Desai, Manisha; Robinson, Thomas N.

    2016-08-01

    Energy education programmes for children are hypothesized to have great potential to save energy. Such interventions are often assumed to impact child and family behaviours. Here, using a cluster-randomized controlled trial with 30 Girl Scout troops in Northern California, we assess the efficacy of two social cognitive theory-based interventions focused on residential and food-and-transportation energy-related behaviours of Girl Scouts and their families. We show that Girl Scouts and parents in troops randomly assigned to the residential energy intervention significantly increased their self-reported residential energy-saving behaviours immediately following the intervention and after more than seven months of follow-up, compared with controls. Girl Scouts in troops randomly assigned to the food-and-transportation energy intervention significantly increased their self-reported food-and-transportation energy-saving behaviours immediately following the intervention, compared with controls, but not at follow-up. The results demonstrate that theory-based, child-focused energy interventions have the potential to increase energy-saving behaviours among both children and their parents.

  13. The Lunar Scout Program: An international program to survey the Moon from orbit for geochemistry, mineralogy, imagery, geodesy, and gravity

    NASA Technical Reports Server (NTRS)

    Morrison, Donald A. (Editor)

    1994-01-01

    The Lunar Scout Program was one of a series of attempts by NASA to develop and fly an orbiting mission to the moon to collect geochemical, geological, and gravity data. Predecessors included the Lunar Observer, the Lunar Geochemical Orbiter, and the Lunar Polar Orbiter - missions studied under the auspices of the Office of Space Science. The Lunar Scout Program, however, was an initiative of the Office of Exploration. It was begun in late 1991 and was transferred to the Office of Space Science after the Office of Exploration was disbanded in 1993. Most of the work was done by a small group of civil servants at the Johnson Space Center; other groups also responsible for mission planning included personnel from the Charles Stark Draper Laboratories, the Lawrence Livermore National Laboratory, Boeing, and Martin Marietta. The Lunar Scout Program failed to achieve new start funding in FY 93 and FY 94 as a result of budget downturns, the de-emphasis of the Space Exploration Initiative, and the fact that lunar science did not rate as high a priority as other planned planetary missions, and was cancelled. The work done on the Lunar Scout Program and other lunar orbiter studies, however, represents assets that will be useful in developing new approaches to lunar orbit science.

  14. Global Scouts

    DTIC Science & Technology

    2006-11-01

    Battle of Mogadishu was a battle that was part of Operation Gothic Serpent that was fought on October 3 and 4, 1993 in Mogadishu, Somalia...SAA The Future of ARSOF TCCC State-of-the- Art Family of SOF Medical Equipment Sets (MESs) and Supplements designed by the Medical Operators to meet

  15. Talent Scout

    ERIC Educational Resources Information Center

    Dolezalek, Holly

    2010-01-01

    Most companies need a steady stream of talent to enter, then move up in, the organization. But at most companies, the care and feeding of that talent stream is often a bit fragmented; recruitment is largely an HR function, while succession planning--to the extent there is any--is left in the hands of executive leadership. Development of the…

  16. Talent Scout

    ERIC Educational Resources Information Center

    Dolezalek, Holly

    2010-01-01

    Most companies need a steady stream of talent to enter, then move up in, the organization. But at most companies, the care and feeding of that talent stream is often a bit fragmented; recruitment is largely an HR function, while succession planning--to the extent there is any--is left in the hands of executive leadership. Development of the…

  17. Scout-MRM: Multiplexed Targeted Mass Spectrometry-Based Assay without Retention Time Scheduling Exemplified by Dickeya dadantii Proteomic Analysis during Plant Infection.

    PubMed

    Rougemont, Blandine; Bontemps Gallo, Sébastien; Ayciriex, Sophie; Carrière, Romain; Hondermarck, Hubert; Lacroix, Jean Marie; Le Blanc, J C Yves; Lemoine, Jérôme

    2017-02-07

    Targeted mass spectrometry of a surrogate peptide panel is a powerful method to study the dynamics of protein networks, but chromatographic time scheduling remains a major limitation for dissemination and implementation of robust and large multiplexed assays. We unveil a Multiple Reaction Monitoring method (Scout-MRM) where the use of spiked scout peptides triggers complex transition lists, regardless of the retention time of targeted surrogate peptides. The interest of Scout-MRM method regarding the retention time independency, multiplexing capability, reproducibility, and putative interest in facilitating method transfer was illustrated by a 782-peptide-plex relative assay targeting 445 proteins of the phytopathogen Dickeya dadantii during plant infection.

  18. Exploration of Planetary Terrains with a Legged Robot as a Scout Adjunct to a Rover

    NASA Technical Reports Server (NTRS)

    Colombano, Silvano; Kirchner, Frank; Spenneberg, Dirk; Hanratty, James

    2004-01-01

    The Scorpion robot is an innovative, biologically inspired 8-legged walking robot. It currently runs a novel approach to control which utilizes a central pattern generator (CPG) and local reflex action for each leg. From this starting point we are proposing to both extend the system's individual capabilities and its capacity to function as a "scout", cooperating with a larger wheeled rover. For this purpose we propose to develop a distributed system architecture that extends the system's capabilities both in the direction of high level planning and execution in collaboration with a rover, and in the direction of force-feedback based low level behaviors that will greatly enhance its ability to walk and climb in rough varied terrains. The final test of this improved ability will be a rappelling experiment where the Scorpion explores a steep cliff side in cooperation with a rover that serves as both anchor and planner/executive.

  19. The Los Alamos neutron spectrometer for the Lunar Scout-1 mission

    NASA Technical Reports Server (NTRS)

    Auchampaugh, George; Barraclough, Bruce; Byrd, Roger; Drake, Darrell; Feldman, William; Moss, Calvin; Reedy, Robert

    1993-01-01

    We review the current status of the Los Alamos program to develop a neutron spectrometer for the Lunar Scout-1 mission, which is the first of two such missions to obtain global compositional, gravity, topography, and image maps of the lunar surface during nominal one-year missions. The neutron spectrometer will measure fast and slow (epithermal and thermal) neutrons in the ranges of 0.5 MeV to 25 MeV and 0.01 eV to more than 1 keV, respectively. The neutron spectrometer will consist of two independent instruments, a fast-neutron one, and a thermal and epithermal one. The measured neutron fluxes are very sensitive to hydrogen in the top meter of the lunar surface and provide additional information about lunar composition.

  20. Scout fourth stage attitude and velocity control (AVC) system feasibility study

    NASA Technical Reports Server (NTRS)

    Byars, L. B.

    1975-01-01

    The feasibility of incorporating a guidance system in the Scout fourth stage to achieve a significant improvement in expected payload delivery accuracy is studied. The technical investigations included the determination of the AVC equipment performance requirements, establishment of qualification and acceptance test levels, generation of layouts illustrating design approaches for the upper D and payload transition sections to incorporate the hardware, and the preparation of a vendor bid package. Correction concepts, utilizing inertial velocity and attitude, were identified and evaluated. Fourth stage attitude adjustments as determined from inertial velocity variation through the first three stages and a final velocity correction based upon the measured in-plane component errors at injection were employed. Results show radical reductions in apogee-perigee deviations.

  1. Aerodynamic characteristics of the Scout 133R vehicle determined from wind tunnel tests

    NASA Technical Reports Server (NTRS)

    Abramson, F. B.; Muir, T. G., Jr.; Simmons, H. L.

    1972-01-01

    Bending moments and other associated parameters were measured on a Scout vehicle during a launch through high velocity horizontal winds. Comparison of the measured data with predictions revealed some unexplained discrepancies. Possible sources of error in the experimental data and predictions were considered; one of which is the predicted aerodynamic characteristics. A wind tunnel investigation was initiated, including supersonic force and pressure tests, to better define the aerodynamics. In addition to basic aerodynamic coefficients from the force test, detailed pressure and load distributions along the body were established from the pressure test. Pressure coefficients were integrated to determine normal load distributions, total normal force, and total pitching moment of the body. Comparison of the normal forces from pressure and force tests resulted in agreement within 15%. Comparison of pitching moment data from the two tests resulted in larger differences.

  2. The High Resolution Stereo Camera (HRSC) for the Lunar Scout 1 Mission

    NASA Technical Reports Server (NTRS)

    Neukum, G.

    1993-01-01

    The High Resolution Stereo Camera (HRSC) is a planetary imaging system developed by the German Aerospace Research Establishment (DLR) with the involvement of the German Space Industry under the leadership of the German Space Agency (DARA) for the Russian Mars 94 and Mars 96 missions. The same instrument, virtually unmodified, is ideal for imaging the Moon. If flown on a Lunar Scout spacecraft, the HRSC will be operated so that it will produce data suitable for generation of a global lunar geodetic net, a global stereo image data set (both data sets produced at an orbit altitude of 200 kms approximately) and high resolution stereo imagery of areas of interest to the scientific community from an orbit altitude of 100 kms (resolution is a function of orbit altitude). All data will be digital.

  3. MASCOT—The Mobile Asteroid Surface Scout Onboard the Hayabusa2 Mission

    NASA Astrophysics Data System (ADS)

    Ho, Tra-Mi; Baturkin, Volodymyr; Grimm, Christian; Grundmann, Jan Thimo; Hobbie, Catherin; Ksenik, Eugen; Lange, Caroline; Sasaki, Kaname; Schlotterer, Markus; Talapina, Maria; Termtanasombat, Nawarat; Wejmo, Elisabet; Witte, Lars; Wrasmann, Michael; Wübbels, Guido; Rößler, Johannes; Ziach, Christian; Findlay, Ross; Biele, Jens; Krause, Christian; Ulamec, Stephan; Lange, Michael; Mierheim, Olaf; Lichtenheldt, Roy; Maier, Maximilian; Reill, Josef; Sedlmayr, Hans-Jürgen; Bousquet, Pierre; Bellion, Anthony; Bompis, Olivier; Cenac-Morthe, Celine; Deleuze, Muriel; Fredon, Stephane; Jurado, Eric; Canalias, Elisabet; Jaumann, Ralf; Bibring, Jean-Pierre; Glassmeier, Karl Heinz; Hercik, David; Grott, Matthias; Celotti, Luca; Cordero, Federico; Hendrikse, Jeffrey; Okada, Tatsuaki

    2017-07-01

    On December 3rd, 2014, the Japanese Space Agency (JAXA) launched successfully the Hayabusa2 (HY2) spacecraft to its journey to Near Earth asteroid (162173) Ryugu. Aboard this spacecraft is a compact landing package, MASCOT (Mobile Asteroid surface SCOuT), which was developed by the German Aerospace Centre (DLR) in collaboration with the Centre National d'Etudes Spatiales (CNES). Similar to the famous predecessor mission Hayabusa, Hayabusa2, will also study an asteroid and return samples to Earth. This time, however, the target is a C-type asteroid which is considered to be more primitive than (25143) Itokawa and provide insight into an even earlier stage of our Solar System.

  4. [AntibioticScout.ch: A decision supporting tool for antimicrobial stewardship: application to companion animal medicine].

    PubMed

    Peter, R; Demuth, D; Müntener, C; Lampart, M; Heim, D; Mevissen, M; Schüpbach-Regula, G; Schuller, S; Stucki, F; Willi, B; Burkhardt, W; Francey, T; Nett, C; Tschuor, F; Naegeli, H

    2017-10-01

    Bacterial resistances to antimicrobial drugs pose serious public health challenges. The observed increase of resistances is attributed to the uncontrolled, massive and often unnecessary administration of antibiotics both in human and veterinary medicine. To support the responsible use of antimicrobials in animals and help veterinarians selecting the most suitable antimicrobial drugs, we developed the AntibioticScout.ch as a comprehensive decision supporting tool providing online access to the current knowledge of rational antibiotic prescription practices. User-friendly search functions allow for the fast and efficient retrieval of information that is structured in this database by animal species, organ systems and therapeutic indications. In addition, an online form allows to report treatment failures in order to identify problematic cases as well as ensuing risks and take appropriate mitigation measures. The present report describes the workflow of this decision support system applied to the prudent use of antimicrobials in companion animal medicine.

  5. Red Sea

    Atmospheric Science Data Center

    2013-04-16

    article title:  The Red Sea     View Larger Image ... 2000. Located between the East African coast and the Saudi Arabian peninsula, the Red Sea got its name because the blooms of a type of ... 2000 - The Red Sea between the East Africa coast and Saudi Arabian peninsula. project:  MISR category:  ...

  6. CT-scout based, semi-automated vertebral morphometry after digital image enhancement.

    PubMed

    Glinkowski, Wojciech M; Narloch, Jerzy

    2017-09-01

    Radiographic diagnosis of osteoporotic vertebral fracture is necessary to reduce its substantial associated morbidity. Computed tomography (CT) scout has recently been demonstrated as a reliable technique for vertebral fracture diagnosis. Software assistance may help to overcome some limitations of that diagnostics. We aimed to evaluate whether digital image enhancement improved the capacity of one of the existing software to detect fractures semi-automatically. CT scanograms of patients suffering from osteoporosis, with or without vertebral fractures were analyzed. The original set of CT scanograms were triplicated and digitally modified to improve edge detection using three different techniques: SHARPENING, UNSHARP MASKING, and CONVOLUTION. The manual morphometric analysis identified 1485 vertebrae, 200 of which were classified as fractured. Unadjusted morphometry (AUTOMATED with no digital enhancement) found 63 fractures, 33 of which were true positive (i.e., it correctly identified 52% of the fractures); SHARPENING detected 57 fractures (30 true positives, 53%); UNSHARP MASKING yielded 30 (13 true positives, 43%); and CONVOLUTION found 24 fractures (9 true positives, 38%). The intra-reader reliability for height ratios did not significantly improve with image enhancement (kappa ranged 0.22-0.41 for adjusted measurements and 0.16-0.38 for unadjusted). Similarly, the inter-reader agreement for prevalent fractures did not significantly improve with image enhancement (kappa 0.29-0.56 and -0.01 to 0.23 for adjusted and unadjusted measurements, respectively). Our results suggest that digital image enhancement does not improve software-assisted vertebral fracture detection by CT scout. Copyright © 2017 Elsevier B.V. All rights reserved.

  7. The asthma awareness patch program for Girl Scouts: an evaluation of educational effectiveness.

    PubMed

    Volsko, Teresa A; Walton, Marilyn; Tessmer, Kathryn A; Pohle-Krauza, Rachael J; McBride, John T

    2013-03-01

    Carefully designed educational programs can improve asthma knowledge, management practices, and health outcomes. We used pre-post testing to determine if the curriculum provided in the Girl Scouts of the USA Asthma Awareness Patch Program improved recipients' knowledge of basic respiratory system function, asthma pathophysiology, triggers, and asthma exacerbation recognition and management. We hypothesized that participants would have improved post-test scores following an interactive asthma educational program. Girl Scouts ages 5-17 years from a 4-county area in northeastern Ohio were recruited. Educational components were in compliance with the guidelines established by the National Heart, Lung, and Blood Institute's National Asthma Education and Prevention Program. Participants completed a demographic form and pre-test before, and a post-test and program evaluation immediately following, the program. Descriptive statistics were used to report participant demographics. Frequencies and percentages described the participants' responses to pre- and post-test questions. Cronbach's alpha analysis determined internal consistency and reliability of post-test items. T tests assessed differences in pre-post scores. Fishers exact tests determined differences in proportions of responses, between the pre- and post-test time points. A P value of < 0.05 was considered statistically significant. Eighty-six girls, between 5 and 16 years of age (mean ± SD 8.97 ± 2.36 y) participated, 84% of whom were white. Twenty-one percent of the participants were diagnosed and treated for asthma, 48% resided with an asthmatic, and 72% knew someone with asthma. The post-test scores (mean ± SD 89.6 ± 9.0) were significantly higher (P < .001) than the pre-test scores (62.5 ± 20.8). A Cronbach alpha raw score of 0.448 and a standardized score of 0.518 were realized. The assessment tool demonstrated moderate internal reliability. Participation in the program enhanced participants' knowledge

  8. The Naiades: A Mars Scout Proposal for Electromagnetic and Seismic Exploration for Groundwater on Mars

    NASA Astrophysics Data System (ADS)

    Grimm, R. E.

    2002-09-01

    Detection of subsurface, liquid water is an overarching objective of the Mars Exploration Program (MEP) because of its impacts on life, climate, geology, and preparation for human exploration. Although planned orbital radars seek to map subsurface water, methods with more robust depth-penetration, discrimination, and characterization capabilities are necessary to "ground truth" any results from such radars. Low-frequency electromagnetic (EM) methods exploit induction rather than wave propagation and are sensitive to electrical conductivity rather than dielectric constant. Saline martian groundwater will be a near-ideal EM target, especially as the overburden is likely very dry. The Naiades Mars Scout - named for the Greek mythological nymphs of springs, rivers, lakes, and fountains - comprise twin Landers directed to a high-priority region for groundwater investigation. Broadband measurements of natural EM fields will be used to perform passive soundings. If natural sources are weak, active soundings will be performed using a small transmitter. The two Landers are positioned within several tens of kilometers of each other so that coherence techniques can improve data quality; useful data can, however, be acquired by a single Lander. Additional mission objectives include detection of ground ice, characterization of natural EM fields, measurement of electrical properties, constraints on planetary heat flow, measurement of crustal magnetism, characterization of seismicity, seismic imaging of the interior, and assessment of landing-site geomorphology. A short-period seismometer and a wide-angle camera complete the payload to achieve these objectives. The Naiades mission strongly resonates with the main "Follow the Water" theme of the MEP, but in ways that are not currently within the its scope or that of international partners. The combination of established terrestrial methods for groundwater exploration, robust flight systems, and cost effectiveness proposed for the

  9. An analytical analysis of the dispersion predictions for effluents from the Saturn 5 and Scout-Algol 3 rocket exhausts

    NASA Technical Reports Server (NTRS)

    Stephens, J. B.; Susko, M.; Kaufman, J. W.; Hill, C. K.

    1973-01-01

    Predictions of the spatial concentration mapping of the potentially toxic constituents of the exhaust effluents from a launch of a Saturn 5 and of a Scout-Algol 3 vehicle utilizing the NASA/MSFC Multilayer Diffusion Program are provided. In the case of the Saturn 5, special attention was given to the concentration fields of carbon monoxide with a correlation of carbon dioxide concentrations. The Scout-Algol 3 provided an example of the centerline concentrations of hydrogen chloride, carbon monoxide, and alumina under typical meteorological conditions. While these results define the specific environmental impact of these two launches under the meteorological conditions existing during launches, they also provide a basis for the empirical monitoring of the constituents of the exhaust effluents of these vehicles.

  10. Lactate versus pH levels in fetal scalp blood during labor--using the Lactate Scout System.

    PubMed

    Rørbye, Christina; Perslev, Anette; Nickelsen, Carsten

    2016-01-01

    To assess if lactate measured with the Scout Lactate System is a reliable alternative to pH in intrapartum monitoring of the fetus. A prospective study analyzing (1) the correlation between scalp lactate measured by the Scout Lactate System and the Automatic Blood Laboratory (ABL), (2) the correlation between lactate and pH measured in scalp blood and (3) the correlation between fetal scalp lactate and umbilical cord SBE. The sensitivity/specificity and positive/negative predictive values of lactate in predicting low pH were analyzed and expressed as Receiver Operating Curves (ROC). Lactate measured by the Scout Lactate System and the ABL correlated well (r(2)=0.85). Both lactate and pH were measured in 1009 scalp blood samples. The sensitivity and specificity of lactate ≥ 4.8 mmol/l in predicting a pH <7.20 were 0.63 and 0.85, respectively. The correlation between scalp lactate measured within 15 min prior to delivery and the umbilical cord SBE was low. Monitoring non-reassuring deliveries with scalp lactate instead of pH would have resulted in more (155 instead of 56) instrumental deliveries with no decrease in newborns with severe metabolic acidosis.

  11. The Naiades: A Mars Scout Proposal for Electromagnetic and Seismic Groundwater Exploration

    NASA Astrophysics Data System (ADS)

    Grimm, R. E.

    2002-12-01

    Detection of subsurface, liquid water is an overarching objective of the Mars Exploration Program (MEP) because of its impacts on life, climate, geology, and preparation for human exploration. Although planned orbital radars seek to map subsurface water, methods with more robust depth-penetration, discrimination, and characterization capabilities are necessary to "ground truth" any results from such radars. Low-frequency electromagnetic (EM) methods exploit induction rather than wave propagation and are sensitive to electrical conductivity rather than dielectric constant. Groundwater on Mars will likely be saline and therefore will present a near-ideal EM target, especially beneath very dry overburden. The Naiades Mars Scout - named for the Greek mythological nymphs of springs, rivers, lakes, and fountains - comprise twin Landers directed to a high-priority region for groundwater investigation. Broadband measurements of natural EM fields will be used for passive magnetotelluric, wave-tilt, and geomagnetic-depth soundings. Active, time-domain electromagnetic (TDEM) soundings will supplement natural sources (lightning?) above ~1 Hz. The two Landers are positioned within several tens of kilometers of each other so that remote references can improve natural-source data quality; useful results can, however, be acquired by a single Lander. The expected depth of exploration of the TDEM is several hundred meters or more, sufficient to determine whether putative groundwater near "gullies" is still extant. Low-frequency natural signals from the solar wind, ionosphere, and possibly crustal magnetospheres will enable passive soundings to 10 km or greater, sufficient to detect and characterize deep, stable groundwater. Additional mission objectives include detection of ground ice, characterization of natural EM fields, measurement of electrical properties of the atmosphere, dust, soil, and interior, constraints on planetary heat flow (from the thickness of the cryosphere

  12. A cosmic and solar X-ray and gamma-ray instrument for a scout launch

    NASA Technical Reports Server (NTRS)

    Forrest, D. J.; Vestrand, W. T.; Chupp, E. L.

    1988-01-01

    An overview is presented for a set of simple and robust X-ray and gamma ray instruments which have both cosmic and solar objectives. The primary solar scientific objective is the study of the beaming of energetic electrons and ions in solar flares. The instrument will measure spectra and polarization of flare emissions up to 10 MeV. At X-ray energies both the directly emitted flux and the reflected albedo flux will be measured with a complement of six X-ray sensors. Each of these detectors will have a different high Z filter selected to optimize both the energy resolution and high rate capabilities in the energy band 10 to 300 keV. At energies greater than 100 keV seven 7.6 x 7.6 cm NaI and a set of 30 concentric plastic scattering detectors will record the spectra and polarization of electron bremsstrahlung and nuclear gamma rays. All of the components of the instrument are in existence and have passed flight tests for earlier space missions. The instrument will use a spinning solar oriented Scout spacecraft. The NaI detectors will act as a self-modulating gamma ray detector for cosmic sources in a broad angular band which lies at 90 degrees to the Sun-Earth vector and hence will scan the entire sky in 6 months.

  13. Mars 2007 Phoenix Scout Mission Organic Free Blank: Method to Distinguish Mars Organics from Terrestrial Organics

    NASA Technical Reports Server (NTRS)

    Ming, D. W.; Morris, R. V.; Woida, R.; Sutter, B.; Lauer, H. V.; Shinohara, C.; Golden, D. C.; Boynton, W. V.; Arvidson, R. E.; Stewart, R. L.; hide

    2008-01-01

    The Mars 2007 Phoenix Scout Mission successfully launched on August 4, 2007, for a 10-month journey to Mars. The Phoenix spacecraft is scheduled to land on May 25, 2008. The primary mission objective is to study the history of water and evaluate the potential for past and present habitability in Martian arctic ice-rich soil [1]. Phoenix will land near 68 N latitude on polygonal terrain presumably created by ice layers that are expected to be a few centimeters under loose soil materials [2,3]. The Phoenix Mission will assess the potential for habitability by searching for organic molecules in ice or icy soils at the landing site. Organic molecules are necessary building blocks for life, although their presence in the ice or soil does not indicate life itself. Phoenix will search for organic molecules by heating soil/ice samples in the Thermal and Evolved-Gas Analyzer (TEGA, [4]). TEGA consists of 8 differential scanning calorimeter (DSC) ovens integrated with a magnetic-sector mass spectrometer with a mass range of 2-140 daltons [4]. Endothermic and exothermic reactions are recorded by the TEGA DSC as samples are heated from ambient to approx.1000 C. Evolved gases, including organic molecules and fragments if present, are simultaneously measured by the mass spectrometer during heating.

  14. Bio-habitability Indicators on Polar Mars found by the 2007 Phoenix Mars Scout Mission

    NASA Astrophysics Data System (ADS)

    Young, Suzanne M. M.

    2009-10-01

    The Phoenix Mars Scout landed on 25 May 2008 at the northern polar latitude of 68N and longitude 234E (areocentric). Analyses included excavating the Mars regolith with a robotic arm and delivering samples to payload instruments including a scanning calorimeter-mass spectrometer (TEGA) and an electrochemical analyzer, (WCL). This exciting mission has been used to inspire many students from junior high through graduate school. The instruments on board are often utilizing very basic physical and chemical properties to make small discoveries that feed into very large questions. Students can have some of the excitement of arriving at answers themselves or discovering how their lessons connect directly to some of NASA's largest initiatives. The work reported here addresses the implications of the Phoenix observations for the prospects of Mars biohability. TEGA confirmed the presence of water ice in the regolith, not bound as a chemical ligand. The salts by WCL offer evidence for the past presence of liquid water on Mars. Sources of bio-energy, key bio-elements and ions, and environmental toxicity and pH will also be discussed.

  15. Evolution of a Mars Airplane Concept for the ARES Mars Scout Mission

    NASA Technical Reports Server (NTRS)

    Smith, Stephen C.; Guynn, Mark D.; Smith, Stephen C.; Parks, Robert W.; Gelhausen, Paul A.

    2004-01-01

    ARES (Aerial Regional-scale Environmental Survey of Mars) is a proposed Mars Scout mission using an airplane to provide high-value science measurements in the areas of atmospheric chemistry, surface geology and mineralogy, and crustal magnetism. The use of an airplane for robotic exploration of Mars has been studied for over 25 years. There are, however, significant challenges associated with getting an airplane to Mars and flying through the thin, carbon dioxide Martian atmosphere. The traditional wisdom for aircraft design does not always apply for this type of vehicle and geometric, aerodynamic, and mission constraints result in a limited feasible design space. The ARES airplane design is the result of a concept exploration and evolution involving a number of trade studies, downselects, and design refinements. Industry, university, and NASA partners initially proposed a number of different concepts, drawing heavily on past Mars airplane design experience. Concept downselects were conducted with qualitative evaluation and high level analyses, focused on the most important parameters for the ARES mission. Following a successful high altitude test flight of the basic configuration, additional design refinement led to the current design. The resulting Mars airplane concept enables the high-value science objectives of the ARES mission to be accomplished while also fulfilling the desire for a simple, low-risk design.

  16. Mars 2007 Phoenix Scout mission Organic Free Blank: Method to distinguish Mars organics from terrestrial organics

    NASA Astrophysics Data System (ADS)

    Ming, D. W.; Morris, R. V.; Woida, R.; Sutter, B.; Lauer, H. V.; Shinohara, C.; Golden, D. C.; Boynton, W. V.; Arvidson, R. E.; Stewart, R. L.; Tamppari, L. K.; Gross, M.; Smith, P.

    2008-10-01

    The Organic Free Blank (OFB) for the Mars 2007 Phoenix Scout mission provides an organic carbon null sample to compare against possible Martian organic signatures obtained by the Thermal and Evolved Gas Analyzer (TEGA). Major OFB requirements are an organic carbon content of <=10 ng C g-1 of sample, a nonporous structure, and strength and integrity that permits machining by the Robotic Arm (RA) Icy Soil Acquisition Device (ISAD). A specially fabricated form of commercial Macor™ (a machinable glass ceramic), made with nitrate salts replacing carbonate salts, was selected as the OFB material. The OFB has a total inorganic carbon content of approximately 1.6 μg C g-1 after fabrication, cleaning, and heat treatment in oxygen gas at 550°C. The detection limit for organic carbon is ~100 ng C g-1 of sample, or about a factor of 10 higher than the design goal. One scenario for OFB use on Mars is subsequent to the first TEGA detection of organic carbon. The OFB sample, acquired by the RA ISAD and delivered to TEGA, would come in contact with all surfaces in the sample transfer chain, collecting residual terrestrial contamination that accompanied the spacecraft to Mars. A second sample of the putative Martian organic-bearing material would then be obtained and analyzed by TEGA. Different organic contents and/or different mass spectrometer fragmentation patterns between the OFB material and the two Martian samples would indicate that the detected organic carbon is indigenous to Mars.

  17. Mobile Asteroid Surface Scout (MASCOT) - An asteroid lander package for the Hayabusa-2 mission

    NASA Astrophysics Data System (ADS)

    Lange, Caroline; Richter, Lutz; Dietze, Claudia; Ho, Tra-Mi; Lange, Michael; Sproewitz, Tom; Wagenbach, Susanne; Kroemer, Olaf; Witte, Lars; Braukhane, Andy

    2010-05-01

    The Hayabusa-2 mission is currently being studied by JAXA/JSPEC as a sample return mission to the C-type near-Earth asteroid 1999JU3. Hayabusa-2, with launch planned for 2014, would be the immediate successor to the currently flying Hayabusa mission. Originally in the context of the proposed ESA Cosmic Vision M-class mission Marco Polo, but then following an invitation by JAXA/JSPEC, the Institute of Space Systems of the German Aerospace Center (DLR) led a proposal for a separate lander package 'Mascot' (Mobile Asteroid Surface Scout) to be carried on the mission. A feasibility study was subsequently carried out that, upon consultation with the planetary science community, assessed different concepts for the lander that converged to a package with 3 kg of P/L, for a total mass of 10-15 kg. Presently, 'Mascot' enters the preliminary design phase while an Announcement of Opportunity for its payload complement is being prepared. The presentation will outline the current baseline design, with special consideration of how the highly demanding constraints that are being imposed on the system due to the general mission scenario, the asteroid environment and the tight budgetary limitations are being fulfilled in such a rather modest design, still offering an excellent science potential.

  18. Baseline design of a Mobile Asteroid Surface Scout (MASCOT) for the Hayabusa-2 mission

    NASA Astrophysics Data System (ADS)

    Lange, Caroline; Richter, Lutz; Ho, Tra Mi; Witte, Lars

    The Hayabusa-2 mission is currently being studied by JAXA/JSPEC as a sample return mis-sion to the C-type near-Earth asteroid 1999JU3. Hayabusa-2, with launch planned for 2014, would be the immediate successor to the currently flying Hayabusa mission. Originally in the context of the proposed ESA Cosmic Vision M-class mission Marco Polo, but then following an invitation by JAXA/JSPEC, the Institute of Space Systems of the German Aerospace Center (DLR) led a proposal for a separate lander package MASCOT (Mobile Asteroid Surface Scout) to be carried on the mission. A feasibility study was subsequently carried out that, upon consultation with the planetary science community, assessed different concepts for the lander that converged to a package with 3 kg of P/L, for a total mass of 10-15 kg. Presently, MASCOT is in the preliminary design phase and an Announcement of Opportunity for its payload complement is being prepared. This paper is intended to give an overview over the current system baseline design and dedicated subsystems, such as mobility. The focus will be on the highly demanding constraints that are being imposed on the system due to the general mission scenario, the asteroid environment and the tight budgetary limitations and the means by which these constraints are being fulfilled, while still offering an excellent science potential.

  19. Evaluation models of some morphological characteristics for talent scouting in sport.

    PubMed

    Rogulj, Nenad; Papić, Vladan; Cavala, Marijana

    2009-03-01

    In this paper, for the purpose of expert system evaluation within the scientific project "Talent scouting in sport", two methodological approaches for recognizing an athlete's morphological compatibility for various sports has been presented, evaluated and compared. First approach is based on the fuzzy logic and expert opinion about compatibility of proposed hypothetical morphological models for 14 different sports which are part of the expert system. Second approach is based on determining the differences between morphological characteristics of a tested individual and top athlete's morphological characteristics for particular sport. Logical and mathematical bases of both methodological approaches have been explained in detail. High prognostic efficiency in recognition of individual's sport has been determined. Some improvements in further development of both methods have been proposed. Results of the research so far suggest that this or similar approaches can be successfully used for detection of individual's morphological compatibility for different sports. Also, it is expected to be useful in the selection of young talents for particular sport.

  20. Red Sky with Red Mesa

    SciTech Connect

    2011-04-14

    The Red Sky/Red Mesa supercomputing platform dramatically reduces the time required to simulate complex fuel models, from 4-6 months to just 4 weeks, allowing researchers to accelerate the pace at which they can address these complex problems. Its speed also reduces the need for laboratory and field testing, allowing for energy reduction far beyond data center walls.

  1. Red Sky with Red Mesa

    ScienceCinema

    None

    2016-07-12

    The Red Sky/Red Mesa supercomputing platform dramatically reduces the time required to simulate complex fuel models, from 4-6 months to just 4 weeks, allowing researchers to accelerate the pace at which they can address these complex problems. Its speed also reduces the need for laboratory and field testing, allowing for energy reduction far beyond data center walls.

  2. Red Hill

    EPA Pesticide Factsheets

    Information about the Red Hill Bulk Fuel Storage Facility in Hawaii Administrative Order on Consent (AOC), an enforceable agreement of the Hawaii Department of Health, the Environmental Protection Agency, and the U.S. Navy -- Defense Logistics Agency.

  3. Measured Response to Wind-Induced Dynamic Loads of a Full-Scale Scout Vehicle Mounted Vertically on a Launching Tower

    NASA Technical Reports Server (NTRS)

    Jones, George W., Jr.; Gilman, Jean, Jr.

    1961-01-01

    Winds blowing over a vehicle mounted in the launch position may induce dynamic loads which are large enough to cause structural damage. In an attempt to prevent the formation of excessive wind-induced loads on the Scout vehicle, spoiler strips of the type used on the.Vanguard vehicle were to be mounted along the upper two stages of the Scout. These spoilers were designed to blow off shortly after launch and might hit and damage the fins at the base of the Scout. In order to determine whether the spoilers planned for installation on the Scout were needed, measurements of the response to dynamic loads imposed by winds at average velocities up to approximately 33 mph were made on a full-scale Scout vehicle mounted vertically on the launching tower at the NASA Wallops Station. From these measurements, it has been concluded that the deflections and bending moments measured in response t o wind-induced dynamic loads were small and should present no structural problems to the vehicle. No significant difference exists between the responses measured with and without spoilers of the type used on the Vanguard vehicle.

  4. Evaluation of the sensitivity of scout radiographs on unenhanced helical CT in identifying ureteric calculi: a large UK tertiary referral centre experience

    PubMed Central

    Yap, W W; Belfield, J C; Bhatnagar, P; Kennish, S; Wah, T M

    2012-01-01

    Objective Unenhanced helical CT for kidney, ureter and bladder (CT KUB) has become the standard investigation for renal colic. This study aims to determine the sensitivity of scout radiographs in detecting ureteric calculi using CT KUB as a standard reference. Methods A retrospective review of consecutive patients who presented with acute flank pain and were investigated using CT KUB. 201 patients with positive ureteric calculi were included. Two radiologists independently reviewed the scout radiographs with access to CT KUB images. Each observer recorded the presence or absence of calculi, location, size and mean Hounsfield units of each calculus. Results 203 ureteric calculi were analysed from 201 patients. The overall sensitivity of scout radiographs for Observer A was 42.3% and for Observer B 52.2%, with an interobserver reliability κ-value of 0.78. The significance of mean Hounsfield units and size between two groups of patients with visible stones and those not visible were tested; the p-value for both variables was <0.0001, which is statistically significant. The study found that calculi in the upper ureter and larger than 4 mm are more likely to be seen on the scout radiograph. Conclusions Usage of CT scout radiography should be encouraged and reported routinely in conjunction with CT KUB as a baseline for treatment follow-up. PMID:22665926

  5. MASCOT—The Mobile Asteroid Surface Scout Onboard the Hayabusa2 Mission

    NASA Astrophysics Data System (ADS)

    Ho, Tra-Mi; Baturkin, Volodymyr; Grimm, Christian; Grundmann, Jan Thimo; Hobbie, Catherin; Ksenik, Eugen; Lange, Caroline; Sasaki, Kaname; Schlotterer, Markus; Talapina, Maria; Termtanasombat, Nawarat; Wejmo, Elisabet; Witte, Lars; Wrasmann, Michael; Wübbels, Guido; Rößler, Johannes; Ziach, Christian; Findlay, Ross; Biele, Jens; Krause, Christian; Ulamec, Stephan; Lange, Michael; Mierheim, Olaf; Lichtenheldt, Roy; Maier, Maximilian; Reill, Josef; Sedlmayr, Hans-Jürgen; Bousquet, Pierre; Bellion, Anthony; Bompis, Olivier; Cenac-Morthe, Celine; Deleuze, Muriel; Fredon, Stephane; Jurado, Eric; Canalias, Elisabet; Jaumann, Ralf; Bibring, Jean-Pierre; Glassmeier, Karl Heinz; Hercik, David; Grott, Matthias; Celotti, Luca; Cordero, Federico; Hendrikse, Jeffrey; Okada, Tatsuaki

    2016-04-01

    On December 3rd, 2014, the Japanese Space Agency (JAXA) launched successfully the Hayabusa2 (HY2) spacecraft to its journey to Near Earth asteroid (162173) Ryugu. Aboard this spacecraft is a compact landing package, MASCOT (Mobile Asteroid surface SCOuT), which was developed by the German Aerospace Centre (DLR) in collaboration with the Centre National d'Etudes Spatiales (CNES). Similar to the famous predecessor mission Hayabusa, Hayabusa2, will also study an asteroid and return samples to Earth. This time, however, the target is a C-type asteroid which is considered to be more primitive than (25143) Itokawa and provide insight into an even earlier stage of our Solar System. Upon arrival at asteroid Ryugu in 2018, MASCOT will be released from the HY2 spacecraft and gently descend by free fall from an altitude of about 100 m to the surface of the asteroid. After a few bounces, the lander will come to rest at the surface and perform its scientific investigations of the surface structure and mineralogical composition, the thermal behaviour and the magnetic properties by operating its four scientific instruments. Those include an IR imaging spectrometer (MicrOmega, IAS Paris), a camera (MASCAM, DLR Berlin), a radiometer (MARA, DLR Berlin) and a magnetometer (MASMAG, TU Braunschweig). In order to allow optimized payload operations the thermal design of MASCOT is required to cope with the contrasting requirements of the 4-year cruise in cold environment versus the hot conditions on the surface of the asteroid. Operations up to 2 asteroid days (˜16 hours) based on a primary battery are currently envisaged. A mobility mechanism allows locomotion on the surface. The mechanism is supported by an attitude and motion sensing system and an intelligent autonomy manager, which is implemented in the onboard software that enables MASCOT to operate fully independently when ground intervention is not available.

  6. Predictive Value of National Football League Scouting Combine on Future Performance of Running Backs and Wide Receivers.

    PubMed

    Teramoto, Masaru; Cross, Chad L; Willick, Stuart E

    2016-05-01

    The National Football League (NFL) Scouting Combine is held each year before the NFL Draft to measure athletic abilities and football skills of college football players. Although the NFL Scouting Combine can provide the NFL teams with an opportunity to evaluate college players for the upcoming NFL Draft, its value for predicting future success of players has been questioned. This study examined whether the NFL Combine measures can predict future performance of running backs (RBs) and wide receivers (WRs) in the NFL. We analyzed the 2000-09 Combine data of RBs (N = 276) and WRs (N = 447) and their on-field performance for the first 3 years after the draft and over their entire careers in the NFL, using correlation and regression analyses, along with a principal component analysis (PCA). The results of the analyses showed that, after accounting for the number of games played, draft position, height (HT), and weight (WT), the time on 10-yard dash was the most important predictor of rushing yards per attempt of the first 3 years (p = 0.002) and of the careers (p < 0.001) in RBs. For WRs, vertical jump was found to be significantly associated with receiving yards per reception of the first 3 years (p = 0.001) and of the careers (p = 0.004) in the NFL, after adjusting for the covariates above. Furthermore, HT was most important in predicting future performance of WRs. The analyses also revealed that the 8 athletic drills in the Combine seemed to have construct validity. It seems that the NFL Scouting Combine has some value for predicting future performance of RBs and WRs in the NFL.

  7. Semi-automated hydrophobic interaction chromatography column scouting used in the two-step purification of recombinant green fluorescent protein.

    PubMed

    Stone, Orrin J; Biette, Kelly M; Murphy, Patrick J M

    2014-01-01

    Hydrophobic interaction chromatography (HIC) most commonly requires experimental determination (i.e., scouting) in order to select an optimal chromatographic medium for purifying a given target protein. Neither a two-step purification of untagged green fluorescent protein (GFP) from crude bacterial lysate using sequential HIC and size exclusion chromatography (SEC), nor HIC column scouting elution profiles of GFP, have been previously reported. Bacterial lysate expressing recombinant GFP was sequentially adsorbed to commercially available HIC columns containing butyl, octyl, and phenyl-based HIC ligands coupled to matrices of varying bead size. The lysate was fractionated using a linear ammonium phosphate salt gradient at constant pH. Collected HIC eluate fractions containing retained GFP were then pooled and further purified using high-resolution preparative SEC. Significant differences in presumptive GFP elution profiles were observed using in-line absorption spectrophotometry (A395) and post-run fluorimetry. SDS-PAGE and western blot demonstrated that fluorometric detection was the more accurate indicator of GFP elution in both HIC and SEC purification steps. Comparison of composite HIC column scouting data indicated that a phenyl ligand coupled to a 34 µm matrix produced the highest degree of target protein capture and separation. Conducting two-step protein purification using the preferred HIC medium followed by SEC resulted in a final, concentrated product with >98% protein purity. In-line absorbance spectrophotometry was not as precise of an indicator of GFP elution as post-run fluorimetry. These findings demonstrate the importance of utilizing a combination of detection methods when evaluating purification strategies. GFP is a well-characterized model protein, used heavily in educational settings and by researchers with limited protein purification experience, and the data and strategies presented here may aid in development other of HIC-compatible protein

  8. Semi-Automated Hydrophobic Interaction Chromatography Column Scouting Used in the Two-Step Purification of Recombinant Green Fluorescent Protein

    PubMed Central

    Murphy, Patrick J. M.

    2014-01-01

    Background Hydrophobic interaction chromatography (HIC) most commonly requires experimental determination (i.e., scouting) in order to select an optimal chromatographic medium for purifying a given target protein. Neither a two-step purification of untagged green fluorescent protein (GFP) from crude bacterial lysate using sequential HIC and size exclusion chromatography (SEC), nor HIC column scouting elution profiles of GFP, have been previously reported. Methods and Results Bacterial lysate expressing recombinant GFP was sequentially adsorbed to commercially available HIC columns containing butyl, octyl, and phenyl-based HIC ligands coupled to matrices of varying bead size. The lysate was fractionated using a linear ammonium phosphate salt gradient at constant pH. Collected HIC eluate fractions containing retained GFP were then pooled and further purified using high-resolution preparative SEC. Significant differences in presumptive GFP elution profiles were observed using in-line absorption spectrophotometry (A395) and post-run fluorimetry. SDS-PAGE and western blot demonstrated that fluorometric detection was the more accurate indicator of GFP elution in both HIC and SEC purification steps. Comparison of composite HIC column scouting data indicated that a phenyl ligand coupled to a 34 µm matrix produced the highest degree of target protein capture and separation. Conclusions Conducting two-step protein purification using the preferred HIC medium followed by SEC resulted in a final, concentrated product with >98% protein purity. In-line absorbance spectrophotometry was not as precise of an indicator of GFP elution as post-run fluorimetry. These findings demonstrate the importance of utilizing a combination of detection methods when evaluating purification strategies. GFP is a well-characterized model protein, used heavily in educational settings and by researchers with limited protein purification experience, and the data and strategies presented here may aid in

  9. The Near Earth Object (NEO) Scout Spacecraft: A Low-cost Approach to In-situ Characterization of the NEO Population

    NASA Technical Reports Server (NTRS)

    Woeppel, Eric A.; Balsamo, James M.; Fischer, Karl J.; East, Matthew J.; Styborski, Jeremy A.; Roche, Christopher A.; Ott, Mackenzie D.; Scorza, Matthew J.; Doherty, Christopher D.; Trovato, Andrew J.; hide

    2014-01-01

    This paper describes a microsatellite spacecraft with supporting mission profile and architecture, designed to enable preliminary in-situ characterization of a significant number of Near Earth Objects (NEOs) at reasonably low cost. The spacecraft will be referred to as the NEO-Scout. NEO-Scout spacecraft are to be placed in Geosynchronous Equatorial Orbit (GEO), cis-lunar space, or on earth escape trajectories as secondary payloads on launch vehicles headed for GEO or beyond, and will begin their mission after deployment from the launcher. A distinguishing key feature of the NEO-Scout system is to design the spacecraft and mission timeline so as to enable rendezvous with and landing on the target NEO during NEO close approach (<0.3 AU) to the Earth-Moon system using low-thrust/high-impulse propulsion systems. Mission durations are on the order 100 to 400 days. Mission feasibility and preliminary design analysis are presented, along with detailed trajectory calculations.

  10. The Mars Frisbee: A Small, Lightweight Deployment Mechanism for In-Situ Instruments on the Proposed Mars Scout Lander

    NASA Astrophysics Data System (ADS)

    Britt, D. T.

    2000-07-01

    The proposed Mars Scout lander is conceived as a robust airbag landing system to deliver small five-kilogram scientific payloads to a variety of Martian terrains. This lander has very strong constraints on delivered instruments in mass, volume, and footprint. Another constraint on possible instruments will be the large footprint of the airbag landing system that will surround the lander after it deflates. This could make difficult to deploy in-situ instruments such as Alpha X-Ray Proton or Mossbauer spectrometers without a relatively large and heavy deployment arm.

  11. Monoclonal antibody proteomics: use of antibody mimotope displaying phages and the relevant synthetic peptides for mAb scouting.

    PubMed

    Hajdú, István; Flachner, Beáta; Bognár, Melinda; Végh, Barbara M; Dobi, Krisztina; Lőrincz, Zsolt; Lázár, József; Cseh, Sándor; Takács, László; Kurucz, István

    2014-08-01

    Monoclonal antibody proteomics uses nascent libraries or cloned (Plasmascan™, QuantiPlasma™) libraries of mAbs that react with individual epitopes of proteins in the human plasma. At the initial phase of library creation, cognate protein antigen and the epitope interacting with the antibodies are not known. Scouting for monoclonal antibodies (mAbs) with the best binding characteristics is of high importance for mAb based biomarker assay development. However, in the absence of the identity of the cognate antigen the task represents a challenge. We combined phage display, and surface plasmon resonance (Biacore) experiments to test whether specific phages and the respective mimotope peptides obtained from large scale studies are applicable to determine key features of antibodies for scouting. We show here that mAb captured phage-mimotope heterogeneity that is the diversity of the selected peptide sequences, is inversely correlated with an important binding descriptor; the off-rate of the antibodies and that represents clues for driving the selection of useful mAbs for biomarker assay development. Carefully chosen synthetic mimotope peptides are suitable for specificity testing in competitive assays using the target proteome, in our case the human plasma.

  12. Thermal and Evolved Gas Analysis of Geologic Samples Containing Organic Materials: Implications for the 2007 Mars Phoenix Scout Mission

    NASA Technical Reports Server (NTRS)

    Lauer, H. V., Jr.; Ming, Douglas W.; Golden, D. C.; Boynton, W. V.

    2006-01-01

    The Thermal and Evolved Gas Analyzer (TEGA) instrument scheduled to fly onboard the 2007 Mars Phoenix Scout Mission will perform differential scanning calorimetry (DSC) and evolved gas analysis (EGA) of soil samples and ice collected from the surface and subsurface at a northern landing site on Mars. We have been developing a sample characterization data library using a laboratory DSC integrated with a quadrupole mass spectrometer to support the interpretations of TEGA data returned during the mission. The laboratory TEGA test-bed instrument has been modified to operate under conditions similar to TEGA, i.e., reduced pressure (e.g., 100 torr) and reduced carrier gas flow rates. We have previously developed a TEGA data library for a variety of volatile-bearing mineral phases, including Fe-oxyhydroxides, phyllosilicates, carbonates, and sulfates. Here we examine the thermal and evolved gas properties of samples that contain organics. One of the primary objectives of the Phoenix Scout Mission is to search for habitable zones by assessing organic or biologically interesting materials in icy soil. Nitrogen is currently the carrier gas that will be used for TEGA. In this study, we examine two possible modes of detecting organics in geologic samples; i.e., pyrolysis using N2 as the carrier gas and combustion using O2 as the carrier gas.

  13. Athletic Performance at the NFL Scouting Combine After Anterior Cruciate Ligament Reconstruction.

    PubMed

    Keller, Robert A; Mehran, Nima; Austin, William; Marshall, Nathan E; Bastin, Kevin; Moutzouros, Vasilios

    2015-12-01

    Anterior cruciate ligament (ACL) injuries are common and potentially career ending in the National Football League (NFL). Although statistical performance has been demonstrated after ACL reconstruction, functional performance is not well defined. The purpose of this study was to determine the functional performance of NFL combine participants after ACL reconstruction compared with an age-, size-, and position-matched control group. The hypothesis was that there would be no difference between players after ACL reconstruction as compared with controls in functional athletic performance. Cohort study; Level of evidence, 3. A total of 98 NFL-caliber athletes who had undergone primary ACL reconstruction and participated in the NFL scouting combine between 2010 and 2014 were reviewed and compared with an age-, size-, and position-matched control group. Data recorded for each player included a 40-yard dash, vertical leap, broad jump, shuttle drill, and 3-cone drill. With regard to speed and acceleration, the mean 40-yard dash time for ACL-reconstructed players was 4.74 seconds (range, 4.33-5.55 seconds) compared with controls at 4.74 seconds (range, 4.34-5.38 seconds; P = .96). Jumping performance was also similar, with a mean vertical leap for ACL-reconstructed players of 33.35 inches (range, 23-43 inches) and broad jump of 113.9 inches (range, 96-136 inches) compared with respective values for the controls of 33.22 inches (range, 23.5-43.5 inches; P = .84) and 113.9 inches (range, 92-134 inches; P = .99). Agility and quickness testing measures also did not show a statistically significantly difference, with ACL-reconstructed players performing the shuttle drill in 4.37 seconds (range, 4.02-4.84 seconds) and the 3-cone drill in 7.16 seconds (range, 6.45-8.14 seconds), respectively, compared with respective times for the controls of 4.37 seconds (range, 3.96-5.00 seconds; P = .91) and 7.18 seconds (range, 6.64-8.24 seconds; P = .75). This study suggests that after ACL

  14. The Latarjet Procedure at the National Football League Scouting Combine: An Imaging and Outcome Analysis

    PubMed Central

    Provencher, Matthew T.; Lebus, George; Chahla, Jorge; Sanchez, George; Ferrari, Marcio Balbinotti; Moatshe, Gilbert

    2017-01-01

    Objectives: The Latarjet procedure is commonly implemented in the treatment of shoulder instability in the setting of glenoid bone loss, particularly in contact athletes such as American football players; however, little is known regarding the outcomes and failures rates of this procedure in collegiate football players prior to participating in the National Football League (NFL). The purposes of this study were to 1) determine the prevalence, clinical features, and imaging findings of National Collegiate Athletic Association (NCAA) football athletes who presented to the NFL scouting Combine having undergone the Latarjet procedure and 2) to evaluate the impact of this procedure, including imaging findings on these athletes’ performance as they entered the NFL. Methods: All NFL football players at the NFL Combine from 2009 to 2016 were reviewed. Inclusion criteria were any player who had a documented Latarjet procedure in the past and participated in medical and performance testing at the NFL Combine. Medical records, imaging, games and position played, and draft position of each player who had undergone a Latarjet procedure was then analyzed. In addition, radiographic features of each players with a Latarjet were evaluated including type of fixation, hardware complications, position of the bone block, degenerative changes, and healing/union/bony resorption were all assessed. NFL performance outcomes (draft position and number of games played and started within first two years) were assessed. Results: Of the 2285 players who participated in the NFL combine between 2009 and 2016, there were 13 athletes (0.6%) who had undergone a Latarjet procedure. Six patients had a two-screw fixation of the bone block while 7 had only one screw, with two patients evidencing a broken hardware (one with one screw and one with 2 screws) and two patients with bent screws (one with one screw and one with 2 screws). Screw prominence was observed in 1 patient. Eight of the 13 patients

  15. Micro-CT scouting for transmission electron microscopy of human tissue specimens

    DOE PAGES

    Morales, A. G.; Stempinski, E. S.; XIAO, X.; ...

    2016-02-08

    Transmission electron microscopy (TEM) provides sub-nanometre-scale details in volumetric samples. Samples such as pathology tissue specimens are often stained with a metal element to enhance contrast, which makes them opaque to optical microscopes. As a result, it can be a lengthy procedure to find the region of interest inside a sample through sectioning. Here, we describe micro-CT scouting for TEM that allows noninvasive identification of regions of interest within a block sample to guide the sectioning step. In a tissue pathology study, a bench-top micro-CT scanner with 10 m resolution was used to determine the location of patches of themore » mucous membrane in osmium-stained human nasal scraping samples. Furthermore, once the regions of interest were located, the sample block was sectioned to expose that location, followed by ultra-thin sectioning and TEM to inspect the internal structure of the cilia of the membrane epithelial cells with nanometre resolution. This method substantially reduced the time and labour of the search process from typically 20 sections for light microscopy to three sections with no added sample preparation. Lay description Electron microscopy provides very high levels of detail in a small area, and thus the question of where to look in an opaque sample, such as a stained tissue specimen, needs to be answered by sectioning the sample in small steps and examining the sections under a light microscope, until the region of interest is found. The search process can be lengthy and labor intensive, especially for a study involving a large number of samples. Small areas of interest can be missed in the process if not enough regions are examined. We also describe a method to directly locate the region of interest within a whole sample using micro-CT imaging, bypassing the need of blindly sectioning. Micro-CT enables locating the region within 3D space; this information provides a guide for sectioning the sample to expose that precise

  16. Micro-CT scouting for transmission electron microscopy of human tissue specimens

    SciTech Connect

    Morales, A. G.; Stempinski, E. S.; XIAO, X.; Patel, A.; Panna, A.; Oliver, K. N.; McShane, P. J.; Robinson, C.; George, A. J.; Donahue, D. R.; Chen, P.; Wen, H.

    2016-02-08

    Transmission electron microscopy (TEM) provides sub-nanometre-scale details in volumetric samples. Samples such as pathology tissue specimens are often stained with a metal element to enhance contrast, which makes them opaque to optical microscopes. As a result, it can be a lengthy procedure to find the region of interest inside a sample through sectioning. Here, we describe micro-CT scouting for TEM that allows noninvasive identification of regions of interest within a block sample to guide the sectioning step. In a tissue pathology study, a bench-top micro-CT scanner with 10 m resolution was used to determine the location of patches of the mucous membrane in osmium-stained human nasal scraping samples. Furthermore, once the regions of interest were located, the sample block was sectioned to expose that location, followed by ultra-thin sectioning and TEM to inspect the internal structure of the cilia of the membrane epithelial cells with nanometre resolution. This method substantially reduced the time and labour of the search process from typically 20 sections for light microscopy to three sections with no added sample preparation. Lay description Electron microscopy provides very high levels of detail in a small area, and thus the question of where to look in an opaque sample, such as a stained tissue specimen, needs to be answered by sectioning the sample in small steps and examining the sections under a light microscope, until the region of interest is found. The search process can be lengthy and labor intensive, especially for a study involving a large number of samples. Small areas of interest can be missed in the process if not enough regions are examined. We also describe a method to directly locate the region of interest within a whole sample using micro-CT imaging, bypassing the need of blindly sectioning. Micro-CT enables locating the region within 3D space; this information provides a guide for sectioning the sample to expose that precise location for

  17. Aerodynamic Characteristics at a Mach Number of 3.10 of Several Fourth-Stage Shapes of the Scout Research Vehicle

    NASA Technical Reports Server (NTRS)

    Jaquet, Byron M.

    1961-01-01

    A wind-tunnel investigation was made at a Mach number of 3.10 (Reynolds number per foot of 16.3 x 10(exp 6) to 16.9 x 10(exp 6)) to determine the aerodynamic characteristics of various modifications of the payload section of the fourth stage of the Scout research vehicle. It was found that, for the combination of stages 3 and 4, increasing the size of the nose of the basic Scout to provide a cylindrical section of the same diameter as the third stage increased the normal-force slope by about 30 percent, the axial force by about 39 percent, and moved the center of pressure forward by about one fourth-stage base diameter. By reducing the diameter of the cylinder, at about one nose length behind the base of the enlarged nose frustum, to that of the basic Scout and thereafter retaining the shape of the basic Scout, the center of pressure was moved rearward by about one-half fourth-stage base diameter at the expense of an additional 19-percent increase in axial force. A spike-hemisphere configuration had the largest forces and moments and the most forward center-of-pressure location of the configurations considered. Except for the axial force and pitching-moment slope, the experimental trends or magnitudes could not be estimated with the desired accuracy by Newtonian or-slender body theory.

  18. Alternative Prison-Based Educational Programs for Women: A Phenomenological Inquiry of Girl Scouts beyond Bars in a Central Midwestern State

    ERIC Educational Resources Information Center

    Goepferich, Nellie E.

    2012-01-01

    Correctional programs that respond to female offenders with young to school-aged children are growing in number. Girl Scouts Beyond Bars is one of these programs. Research and evaluation of female-specific programs in corrections is limited. This study examined the experiences and individual perceptions of female offenders while participating in…

  19. Alternative Prison-Based Educational Programs for Women: A Phenomenological Inquiry of Girl Scouts beyond Bars in a Central Midwestern State

    ERIC Educational Resources Information Center

    Goepferich, Nellie E.

    2012-01-01

    Correctional programs that respond to female offenders with young to school-aged children are growing in number. Girl Scouts Beyond Bars is one of these programs. Research and evaluation of female-specific programs in corrections is limited. This study examined the experiences and individual perceptions of female offenders while participating in…

  20. Levels of Cognitive Processes in a Non-Formal Science Education Program: Scouting's Science Merit Badges and the Revised Bloom's Taxonomy

    ERIC Educational Resources Information Center

    Vick, Matthew; Garvey, Michael P.

    2011-01-01

    The United States Boy Scout merit badge program provides non-formal educational experiences for boys from ages 10-17. This study analyzes the objectives of the twenty-three science related merit badges using the lens of the revised Bloom's taxonomy. Merit badges requirements serve as objectives for this program. The verbs in the requirements were…

  1. Twenty-Plus Years of Exclusion in the Boy Scouts of America: A Simulated Debate on Inclusion in Public and Private Recreation Agencies

    ERIC Educational Resources Information Center

    Johnson, Corey W.

    2015-01-01

    This four-day learning activity on the controversy of exclusion of gays and subsequently atheists in Boy Scouting is particularly relevant because it highlights the complexities that surround issues of equality, equity, the provision of leisure services, First Amendment rights, and the implications of court decisions on social justice. This lesson…

  2. Twenty-Plus Years of Exclusion in the Boy Scouts of America: A Simulated Debate on Inclusion in Public and Private Recreation Agencies

    ERIC Educational Resources Information Center

    Johnson, Corey W.

    2015-01-01

    This four-day learning activity on the controversy of exclusion of gays and subsequently atheists in Boy Scouting is particularly relevant because it highlights the complexities that surround issues of equality, equity, the provision of leisure services, First Amendment rights, and the implications of court decisions on social justice. This lesson…

  3. A Manual of Mosquito Control Projects and Committee Assignments for 4-H and Scouts Biology Class Projects, Organized Community Service Programs, and Individuals Interested in Environmental Management.

    ERIC Educational Resources Information Center

    Hart, Richard A.

    The mosquito control projects presented in this manual were prepared from an educational viewpoint and are intended for use by students in 4-H and Scouts and as a supplement to high school and college biology course work. The major emphasis of the projects is on integrated pest management, an approach utilizing cost-effective control methods which…

  4. Long-lived positron emitters zirconium-89 and iodine-124 for scouting of therapeutic radioimmunoconjugates with PET.

    PubMed

    Verel, Iris; Visser, Gerard W M; Boerman, Otto C; van Eerd, Julliette E M; Finn, Ron; Boellaard, Ronald; Vosjan, Maria J W D; Stigter-van Walsum, Marijke; Snow, Gordon B; van Dongen, Guus A M S

    2003-08-01

    Antibody-PET imaging might be of value for the selection of radioimmunotherapy (RIT) candidates to confirm tumor targeting and to estimate radiation doses to tumor and normal tissues. One of the requirements to be set for such a scouting procedure is that the biodistributions of the diagnostic and therapeutic radioimmunoconjugates should be similar. In the present study we evaluated the potential of the positron emitters zirconium-89 ((89)Zr) and iodine-124 ((124)I) for this approach, as these radionuclides have a relatively long half-life that matches with the kinetics of MAbs in vivo (t(1/2) 3.27 and 4.18 days, respectively). After radiolabeling of the head and neck squamous cell carcinoma (HNSCC)-selective chimeric antibody (cMAb) U36, the biodistribution of two diagnostic (cMAb U36-N-sucDf-(89)Zr and cMAb U36-(124)I) and three therapeutic radioimmunoconjugates (cMAb U36-p-SCN-Bz-DOTA-(88)Y-with (88)Y being substitute for (90)Y, cMAb U36-(131)I, and cMAb U36-MAG3-(186)Re) was assessed in mice with HNSCC-xenografts, at 24, 48, and 72 hours after injection. Two patterns of biodistribution were observed, one pattern matching for (89)Zr- and (88)Y-labeled cMAb U36 and one pattern matching for (124)I-, (131)I-, and (186)Re-cMAb U36. The most remarkable differences between both patterns were observed for uptake in tumor and liver. Tumor uptake levels were 23.2 +/- 0.5 and 24.1 +/- 0.7%ID/g for the (89)Zr- and (88)Y-cMAb U36 and 16.0 +/- 0.8, 15.7 +/- 0.79 and 17.1 +/- 1.6%ID/g for (124)I-, (131)I-, and (186)Re-cMAb U36-conjugates, respectively, at 72 hours after injection. For liver these values were 6.9 +/- 0.8 ((89)Zr), 6.2 +/- 0.8 ((88)Y), 1.7 +/- 0.1 ((124)I), 1.6 +/- 0.1 ((131)I), and 2.3 +/- 0.1 ((186)Re), respectively. These preliminary data justify the further development of antibody-PET with (89)Zr-labeled MAbs for scouting of therapeutic doses of (90)Y-labeled MAbs. In such approach (124)I-labeled MAbs are most suitable for scouting of (131)I- and (186)Re

  5. BEESCOUT: A model of bee scouting behaviour and a software tool for characterizing nectar/pollen landscapes for BEEHAVE.

    PubMed

    Becher, M A; Grimm, V; Knapp, J; Horn, J; Twiston-Davies, G; Osborne, J L

    2016-11-24

    Social bees are central place foragers collecting floral resources from the surrounding landscape, but little is known about the probability of a scouting bee finding a particular flower patch. We therefore developed a software tool, BEESCOUT, to theoretically examine how bees might explore a landscape and distribute their scouting activities over time and space. An image file can be imported, which is interpreted by the model as a "forage map" with certain colours representing certain crops or habitat types as specified by the user. BEESCOUT calculates the size and location of these potential food sources in that landscape relative to a bee colony. An individual-based model then determines the detection probabilities of the food patches by bees, based on parameter values gathered from the flight patterns of radar-tracked honeybees and bumblebees. Various "search modes" describe hypothetical search strategies for the long-range exploration of scouting bees. The resulting detection probabilities of forage patches can be used as input for the recently developed honeybee model BEEHAVE, to explore realistic scenarios of colony growth and death in response to different stressors. In example simulations, we find that detection probabilities for food sources close to the colony fit empirical data reasonably well. However, for food sources further away no empirical data are available to validate model output. The simulated detection probabilities depend largely on the bees' search mode, and whether they exchange information about food source locations. Nevertheless, we show that landscape structure and connectivity of food sources can have a strong impact on the results. We believe that BEESCOUT is a valuable tool to better understand how landscape configurations and searching behaviour of bees affect detection probabilities of food sources. It can also guide the collection of relevant data and the design of experiments to close knowledge gaps, and provides a useful

  6. Scrutiny of a Diamictite to Cap-Carbonate Contact: Neoproterozoic Scout Mountain Member, Pocatello Formation, Idaho

    NASA Astrophysics Data System (ADS)

    Kirkham, K. R.; Dehler, C. M.; Sallay, S. A.

    2008-12-01

    It is common in Neoproterozoic strata worldwide to find 'cap carbonates' overlying inferred glaciogenic diamictites. Despite the fact that many of the contacts are sharp, the relationship between these carbonate units and the underlying diamictites is commonly interpreted to be conformable and to indicate post-glacial transgressive alkalinity events immediately following the aftermath of low-latitude glaciation. If, however, these cap-carbonate units are not conformable with the underlying diamictites, it might imply that they are recording local or global alkalinity events independent of the glacial conditions recorded in the diamictites. The cap carbonate in the Scout Mountain Member of the Pocatello Formation in southeastern Idaho is an excellent site to study the nature of the diamictite to cap-carbonate relationship because the contact is bracketed by two absolute ages: the contact lies ~100 m above a tuff that is 709 Ma and a reworked tuff ~50 m above the contact has been dated at 667 Ma (Fanning and Link, 2004). There is thus ca. 42 million years of time represented in a ~150-m-thick stratigraphic interval implying that there should be at least one unconformity present in this relatively thin stratal package. Most workers have placed a single major sequence boundary/unconformity in this 150-m-thick interval at the top of the cap carbonate, associated with a dolomite-chip breccia unit. Our facies analysis suggests that the most likely place for an unconformity is at the contact between the diamictite and the cap carbonate. The cap carbonate displays a genetic relationship with adjacent and overlying facies, and sits sharply on the diamictite unit (~50 m thick). The cap carbonate comprises pink laminated peloidal dolomicrite (1 m thick) and exhibits rare symmetric and interference ripples, possible hummocky-cross stratification, and negative δ13Ccarb values. Approximately 2 kms along strike, this cap dolomicrite facies is absent and the dolomite-chip breccia

  7. The Near Earth Object Scout Spacecraft: A Low Cost Approach to in-situ Characterization of the NEO Population

    NASA Technical Reports Server (NTRS)

    Koontz, Steven L.; Condon, Gerald; Graham, Lee; Bevilacqua, Ricardo

    2014-01-01

    In this paper we describe a micro/nano satellite spacecraft and a supporting mission profile and architecture designed to enable preliminary in-situ characterization of a significant number of Near Earth Objects (NEOs) at reasonable cost. The spacecraft will be referred to as the NEO Scout. NEO Scout spacecraft are to be placed in GTO, GEO, or cis-lunar space as secondary payloads on launch vehicles headed for GTO or beyond and will begin their mission after deployment from the launcher. A distinguishing key feature of the NEO scout system is to design the mission timeline and spacecraft to rendezvous with and land on the target NEOs during close approach to the Earth-Moon system using low-thrust/high- impulse propulsion systems. Mission feasibility and preliminary design analysis are presented along with detailed trajectory calculations. The use of micro/nano satellites in low-cost interplanetary exploration is attracting increasing attention and is the subject of several annual workshops and published design studies (1-4). The NEO population consists of those asteroids and short period comets orbiting the Sun with a perihelion of 1.3 astronomical units or less (5-8). As of July 30, 2013 10065 Near-Earth objects have been discovered. The spin rate, mass, density, surface physical (especially mechanical) properties, composition, and mineralogy of the vast majority of these objects are highly uncertain and the limited available telescopic remote sensing data imply a very diverse population (5-8). In-situ measurements by robotic spacecraft are urgently needed to provide the characterization data needed to support hardware and mission design for more ambitious human and robotic NEO operations. Large numbers of NEOs move into close proximity with the Earth-Moon system every year (9). The JPL Near-Earth Object Human Space Flight Accessible Targets Study (NHATS) (10) has produced detailed mission profile and delta V requirements for various NEO missions ranging from 30

  8. Seeing Red

    NASA Technical Reports Server (NTRS)

    2008-01-01

    This New Horizons image of Jupiter's volcanic moon Io was taken at 13:05 Universal Time during the spacecraft's Jupiter flyby on February 28, 2007. It shows the reddish color of the deposits from the giant volcanic eruption at the volcano Tvashtar, near the top of the sunlit crescent, as well as the bluish plume itself and the orange glow of the hot lava at its source. The relatively unprocessed image on the left provides the best view of the volcanic glow and the plume deposits, while the version on the right has been brightened to show the much fainter plume, and the Jupiter-lit night side of Io.

    New Horizons' color imaging of Io's sunlit side was generally overexposed because the spacecraft's color camera, the super-sensitive Multispectral Visible Imaging Camera (MVIC), was designed for the much dimmer illumination at Pluto. However, two of MVIC's four color filters, the blue and 'methane' filter (a special filter designed to map methane frost on the surface of Pluto at an infrared wavelength of 0.89 microns), are less sensitive than the others, and thus obtained some well-exposed views of the surface when illumination conditions were favorable. Because only two color filters are used, rather than the usual three, and because one filter uses infrared light, the color is only a rough approximation to what the human eye would see.

    The red color of the Tvashtar plume fallout is typical of Io's largest volcanic plumes, including the previous eruption of Tvashtar seen by the Galileo and Cassini spacecraft in 2000, and the long-lived Pele plume on the opposite side of Io. The color likely results from the creation of reddish three-atom and four-atom sulfur molecules (S3 and S4) from plume gases rich in two-atom sulfur molecules (S2 After a few months or years, the S3 and S4 molecules recombine into the more stable and familiar yellowish form of sulfur consisting of eight-atom molecules (S8), so these red deposits are only seen around recently-active Io

  9. Seeing Red

    NASA Technical Reports Server (NTRS)

    2008-01-01

    This New Horizons image of Jupiter's volcanic moon Io was taken at 13:05 Universal Time during the spacecraft's Jupiter flyby on February 28, 2007. It shows the reddish color of the deposits from the giant volcanic eruption at the volcano Tvashtar, near the top of the sunlit crescent, as well as the bluish plume itself and the orange glow of the hot lava at its source. The relatively unprocessed image on the left provides the best view of the volcanic glow and the plume deposits, while the version on the right has been brightened to show the much fainter plume, and the Jupiter-lit night side of Io.

    New Horizons' color imaging of Io's sunlit side was generally overexposed because the spacecraft's color camera, the super-sensitive Multispectral Visible Imaging Camera (MVIC), was designed for the much dimmer illumination at Pluto. However, two of MVIC's four color filters, the blue and 'methane' filter (a special filter designed to map methane frost on the surface of Pluto at an infrared wavelength of 0.89 microns), are less sensitive than the others, and thus obtained some well-exposed views of the surface when illumination conditions were favorable. Because only two color filters are used, rather than the usual three, and because one filter uses infrared light, the color is only a rough approximation to what the human eye would see.

    The red color of the Tvashtar plume fallout is typical of Io's largest volcanic plumes, including the previous eruption of Tvashtar seen by the Galileo and Cassini spacecraft in 2000, and the long-lived Pele plume on the opposite side of Io. The color likely results from the creation of reddish three-atom and four-atom sulfur molecules (S3 and S4) from plume gases rich in two-atom sulfur molecules (S2 After a few months or years, the S3 and S4 molecules recombine into the more stable and familiar yellowish form of sulfur consisting of eight-atom molecules (S8), so these red deposits are only seen around recently-active Io

  10. Red blood cell production

    MedlinePlus

    ... to one part of the body or another. Red blood cells are an important element of blood. Their job ... is carried to and eliminated by the lungs. Red blood cells are formed in the red bone marrow of ...

  11. Transonic Wind-Tunnel Investigation of the Static Longitudinal Aerodynamic Characteristics of Several Configurations of the Scout Vehicle and of a Number of Related Models

    NASA Technical Reports Server (NTRS)

    Kelly, Thomas C.

    1961-01-01

    Results have been obtained i n t h e Langley 8-foot transonic pressure tunnel at Mach numbers from 0.40 t o 1.20 for several configurations of the Scout vehicle and f o r a number of related models. Tests extended over an angle-of-attack range from about -10 degrees to 10 degrees at a Reynolds number per foot of about 3.8 x 10 sup 6.

  12. The Fourier Imaging X-ray Spectrometer (FIXS) for the Argentinian, Scout-launched satelite de Aplicaciones Cienficas-1 (SAC-1)

    NASA Technical Reports Server (NTRS)

    Dennis, Brian R.; Crannell, Carol JO; Desai, Upendra D.; Orwig, Larry E.; Kiplinger, Alan L.; Schwartz, Richard A.; Hurford, Gordon J.; Emslie, A. Gordon; Machado, Marcos; Wood, Kent

    1988-01-01

    The Fourier Imaging X-ray Spectrometer (FIXS) is one of four instruments on SAC-1, the Argentinian satellite being proposed for launch by NASA on a Scout rocket in 1992/3. The FIXS is designed to provide solar flare images at X-ray energies between 5 and 35 keV. Observations will be made on arcsecond size scales and subsecond time scales of the processes that modify the electron spectrum and the thermal distribution in flaring magnetic structures.

  13. 76 FR 31988 - Agency Information Collection Activities: Proposed Collection; Comments Requested: Red Ribbon...

    Federal Register 2010, 2011, 2012, 2013, 2014

    2011-06-02

    ... asked or required to respond, as well as a brief abstract: Primary: Boy Scout and Girl Scout Troop Leaders. Other: None. Abstract: The Drug Enforcement Administration requests the information from...

  14. Project Planet Earth: A Joint Project Between the NASA/Goddard Space Flight Center and the Girl Scouts of Central Maryland

    NASA Technical Reports Server (NTRS)

    Mattoo, Shana; Remer, Lorraine; Anderson, Terry; Johnson, Courtrina; Lau, William K. M. (Technical Monitor)

    2001-01-01

    Scientists of the NASA/GSFC and the staff of the Girl Scouts of Central Maryland (GSCM) have teamed up to introduce more girls and young women to earth system science. The girls now have the opportunity to earn the specially designed Planet Earth Council Patch. The Patch program includes a set of requirements tailored to the specific age level of the girl and the resource material to help the girl complete the requirements. At completion of the requirements the girl is awarded a patch to sew onto the back of her sash or vest. Girls do hands-on physical experiments, practice taking data, visit science centers and perform skits in order to complete the requirements. In addition to the Patch program, Project Planet Earth continues to encourage strong collaboration between the Girl Scouts of Maryland and NASA/GSFC. Girls volunteer at the GSFC visitor center during community events and in turn scientists are called on as keynote speakers and consultants for the Council. A special science interest group is forming for the teenage Girl Scouts of the Council that will network with scientists and help these young women pursue their interests, find internships and make career decisions.

  15. Project Planet Earth: A Joint Project Between the NASA/Goddard Space Flight Center and the Girl Scouts of Central Maryland

    NASA Technical Reports Server (NTRS)

    Mattoo, Shana; Remer, Lorraine; Anderson, Terry; Johnson, Courtrina; Lau, William K. M. (Technical Monitor)

    2001-01-01

    Scientists of the NASA/GSFC and the staff of the Girl Scouts of Central Maryland (GSCM) have teamed up to introduce more girls and young women to earth system science. The girls now have the opportunity to earn the specially designed Planet Earth Council Patch. The Patch program includes a set of requirements tailored to the specific age level of the girl and the resource material to help the girl complete the requirements. At completion of the requirements the girl is awarded a patch to sew onto the back of her sash or vest. Girls do hands-on physical experiments, practice taking data, visit science centers and perform skits in order to complete the requirements. In addition to the Patch program, Project Planet Earth continues to encourage strong collaboration between the Girl Scouts of Maryland and NASA/GSFC. Girls volunteer at the GSFC visitor center during community events and in turn scientists are called on as keynote speakers and consultants for the Council. A special science interest group is forming for the teenage Girl Scouts of the Council that will network with scientists and help these young women pursue their interests, find internships and make career decisions.

  16. A simulation investigation of scout/attack helicopter directional control requirements for hover and low-speed tasks

    NASA Technical Reports Server (NTRS)

    Bivens, Courtland C.; Guercio, Joseph G.

    1987-01-01

    A piloted simulator experiment was conducted to investigate directional axis handling qualities requirements for low speed and hover tasks performed by a Scout/Attack helicopter. Included were the directional characteristics of various candidate light helicopter family configurations. Also, the experiment focused on conventional single main/tail rotor configurations of the OH-58 series aircraft, where the first-order yaw-axis dynamic effects that contributed to the loss of tail rotor control were modeled. Five pilots flew 22 configurations under various wind conditions. Cooper-Harper handling quality ratings were used as the primary measure of merit of each configuration. The results of the experiment indicate that rotorcraft configurations with high directional gust sensitivity require greater minimum yaw damping to maintain satisfactory handling qualities during nap-of-the-Earth flying tasks. It was also determined that both yaw damping and control response are critical handling qualities parameters in performing the air-to-air target acquisition and tracking task. Finally, the lack of substantial yaw damping and larger values of gust sensitivity increased the possibility of loss of directional control at low airspeeds for the single main/tail rotor configurations.

  17. Circulating nano-particulate TLR9 agonist scouts out tumor microenvironment to release immunogenic dead tumor cells.

    PubMed

    Kitahata, Yuji; Kanuma, Tomohiro; Hayashi, Masayuki; Kobayashi, Nobuyoshi; Ozasa, Koji; Kusakabe, Takato; Temizoz, Burcu; Kuroda, Etsushi; Yamaue, Hiroki; Coban, Cevayir; Yamamoto, Takuya; Kobiyama, Kouji; Aoshi, Taiki; Ishii, Ken J

    2016-08-02

    Recent evidence suggest that a β-glucan derived from mushroom Schizophyllan(SPG) complexed with a humanized TLR9 agonistic CpG DNA, K3 (K3-SPG) is a promising vaccine adjuvant that induces robust CD8 T cell responses to co-administered antigen. However, it has not been investigated whether K3-SPG alone can act as an anti-cancer immunotherapeutic agent or not. Here, we demonstrate that intravenous injection of K3-SPG, but not CpG alone, is accumulated in the tumor microenvironment and triggered immunogenic cell death (ICD) of tumor cells by local induction of type-I interferon (IFN) as well as IL-12. Resultant innate immune activation as well as subsequent tumor-specific CD8 T cell responses were contributed the tumor growth suppression. This anti-tumor effect of K3-SPG monotherapy was also confirmed by using various tumor models including pancreatic cancer peritoneal dissemination model. Taken together, nano-particulate TLR9 agonist injected intravenously can scout out tumor microenvironment to provoke local innate immune activation and release dead tumor cells into circulation that may induce broader and protective tumor antigen-specific CD8 T cells.

  18. Hydrogen peroxide and central redox theory for aerobic life A tribute to Helmut Sies: Scout, trailblazer and Redox Pioneer

    PubMed Central

    Jones, Dean P.

    2015-01-01

    When Rafael Radi and I wrote about Helmut Sies for the Redox Pioneer series, I was disappointed that the Editor restricted us to the use of “Pioneer” in the title. My view is that Helmut was always ahead of the pioneers: He was a scout discovering paths for exploration and a trailblazer developing strategies and methods for discovery. I have known him for nearly 40 years and greatly enjoyed his collegiality as well as brilliance in scientific scholarship. He made monumental contributions to 20th century physiological chemistry beginning with his first measurement of H2O2 in rat liver. While continuous H2O2 production is dogma today, the concept of H2O2 production in mammalian tissues was largely buried for half a century. He continued this leadership in research on oxidative stress, GSH, selenium, and singlet oxygen, during the timeframe when physiological chemistry and biochemistry transitioned to contemporary 21st century systems biology. His impact has been extensive in medical and health sciences, especially in nutrition, aging, toxicology and cancer. I briefly summarize my interactions with Helmut, stressing our work together on the redox code, a set of principles to link mitochondrial respiration, bioenergetics, H2O2 metabolism, redox signaling and redox proteomics into central redox theory. PMID:27095208

  19. Wind-tunnel evaluation of a 21-percent-scale powered model of a prototype advanced scout helicopter

    NASA Technical Reports Server (NTRS)

    Phelps, A. E., III; Berry, J. D.

    1985-01-01

    An exploratory wind tunnel investigation of a 21 percent scale powered model of a prototype advanced scout helicopter was conducted in the Langley 4 by 7 Meter Tunnel. The investigation was conducted to define the overall aerodynamic characteristics of the Army Helicopter Improvement Program (AHIP), to determine the effects of the rotor on the aerodynamic characteristics and to evaluate the effect of a mast mounted sight on the aircraft stability characteristics. Tests covered a range of thrust coefficients, advance ratios, angles of attack and angles of sideslip and were run for both rotor on and rotor off configurations. Results of the investigation showed that the prototype configuration was longitudinally unstable with angle of attack for all configurations tested. The instability was due to unfavorable interference effects between the horizontal tail and the wake shed from the engine pylon and rotor hub, which caused a loss of horizontal tail effectiveness. The addition of the mast mounted sight had little effect on the stability of the model, but it caused an alteration in the rotor lift distribution that resulted in substantial interference drag for the sight.

  20. Medical services of a multicultural summer camp event: experiences from the 22nd World Scout Jamboree, Sweden 2011.

    PubMed

    Jammer, Ib; Andersson, Christina Allansdotter; Olinder, Anna Lindholm; Selander, Bo; Wallinder, Anna Elmerfeldt; Hansson, Stefan Rocco

    2013-05-22

    Prevention and treatment of medical issues are the main task of a health service at a youth camp. However, only few reports about organisation and implementation of camp health care are available. This makes it difficult for future camp directors to plan and estimate the health care needed for a certain camp size. We summarize the experience in planning and running health care for the 22nd World Scout Jamboree (WSJ) 2011 in Sweden. During the WSJ, 40,061 participants from 146 nations were gathered in southern Sweden to a 12 day summer camp. Another 31,645 people were visitors. Members for the medical service were 153 volunteering medical professionals with different language and cultural backgrounds from 18 different countries. Of 40,061 participants 2,893 (7.3%) needed medical assistance. We found an equal distribution of cases to approximately one third surgical, one third medical and one third unspecified cases. Much energy was spent on health prevention, hygiene measures and organizing of psychological support. A youth camp with a multicultural population and a size of a small city demands flexible staff with high communication skills. Special attention should be paid in prevention of contagious diseases and taking care of psychological issues.

  1. Medical services of a mulicultural summer camp event: experiences from the 22nd World Scout Jamboree, Sweden 2011

    PubMed Central

    2013-01-01

    Background Prevention and treatment of medical issues are the main task of a health service at a youth camp. However, only few reports about organisation and implementation of camp health care are available. This makes it difficult for future camp directors to plan and estimate the health care needed for a certain camp size. We summarize the experience in planning and running health care for the 22nd World Scout Jamboree (WSJ) 2011 in Sweden. Methods During the WSJ, 40,061 participants from 146 nations were gathered in southern Sweden to a 12 day summer camp. Another 31,645 people were visitors. Members for the medical service were 153 volunteering medical professionals with different language and cultural backgrounds from 18 different countries. Results Of 40,061 participants 2,893 (7.3%) needed medical assistance. We found an equal distribution of cases to approximately one third surgical, one third medical and one third unspecified cases. Much energy was spent on health prevention, hygiene measures and organizing of psychological support. Conclusions A youth camp with a multicultural population and a size of a small city demands flexible staff with high communication skills. Special attention should be paid in prevention of contagious diseases and taking care of psychological issues. PMID:23692881

  2. Quick scouting of eggs of western corn rootworm (Diabrotica virgifera virgifera LeConte, 1868) from soil.

    PubMed

    Takács, J; Balogh, P; Nádasy, M

    2005-01-01

    Main method to control the American Corn Rootworm is crop rotation (Camprag et. al., 1994) but we don't know how to determine the possible number of larvae under fall so we cannot use autumn cereals to change the row of cultivated plants. The pest spends almost 10 months in soil in egg and larval state (Chiang, 1973). There are two methods for scouting Diabrotica eggs and larval instars from soil over the winter. One of the two most important methods is holding soil samples on fixed temperature (Fromm et al., 1999). This method takes more than one and a half month but its result is highly reliable. The conventional egg-washing technique takes fewer days to count the number of Diabrotica eggs in soil but it has lower effectiveness than the other one because the eggs in a sample cannot be counted correctly. Our results show that the effectiveness of egg washing with high concentrated salty water (NaCl) is high and the method is quick enough to help planning the crop rotation even under the autumn period (Takács et al., 2004).

  3. A Mobile Asteroid Surface Scout (MASCOT) for the Hayabusa 2 Mission to 1999 JU3: The Scientific Approach

    NASA Astrophysics Data System (ADS)

    Jaumann, Ralf; Bibring, Jean-Pierre; Glassmeier, Karl-Heinz; Grott, Matthias; Ho, Tra-Mi; Ulamec, Stepahn; Schmitz, Nicole; Auster, Ulrich; Biele, Jens; Kuninaka, Hitoshi; Okada, Tatsuaki; Yoshikawa, Makoto; Watanabe, Sei-ichhiro; Fujimoto, Masaki; Spohn, Tilman; Koncz, Alexander; Michaelis, Harald

    2014-05-01

    MASCOT, a Mobile Asteroid Surface Scout, will support JAXA's Hayabusa 2 mission to investigate the C-type asteroid 1999 JU3 (1). The German Aer-ospace Center (DLR) develops MASCOT with contributions from CNES (France) (2,3). Main objective is to in-situ map the asteroid's geomorpholo-gy, the intimate structure, texture and composition of the regolith (dust, soil and rocks), and the thermal, mechanical, and magnetic properties of the sur-face in order to provide ground truth for the orbiter remote measurements, support the selection of sampling sites, and provide context information for the returned samples. MASCOT comprises a payload of four scientific in-struments: camera, radiometer, magnetometer and hyperspectral microscope. C- and D-type asteroids hold clues to the origin of the solar system, the for-mation of planets, the origins of water and life on Earth, the protection of Earth from impacts, and resources for future human exploration. C- and D-types are dark and difficult to study from Earth, and have only been glimpsed by spacecraft. While results from recent missions (e.g., Hayabusa, NEAR (4, 5, 6)) have dramatically increased our understanding of asteroids, important questions remain. For example, characterizing the properties of asteroid regolith in-situ would deliver important ground truth for further understanding telescopic and orbital observations and samples of such aster-oids. MASCOT will descend and land on the asteroid and will change its position two times by hopping. This enables measurements during descent, at the landing and hopping positions #1-3, and during hopping. References: (1) Vilas, F., Astronomical J. 1101-1105, 2008; (2) Ulamec, S., et al., Acta Astronautica, Vol. 93, pp. 460-466; (3) Jaumann et al., 45th LPSC, Houston; (4) Special Issue, Science, Vol. 312 no. 5778, 2006; (5) Special Issue Science, Vol. 333 no. 6046, 2011. (6) Bell, L., Mitton, J-., Cambridge Univ. Press, 2002.

  4. A Mobile Asteroid Surface Scout (MASCOT) for the Hayabusa 2 Mission to 1999 JU3: The Scientific Approach

    NASA Astrophysics Data System (ADS)

    Jaumann, Ralf; Bibring, Jean-Pierre; Glassmeier, Karl-Heinz; Grott, Matthias; Ho, Tra-Mie; Ulamec, Stephan; Schmitz, Nicole; Auster, Hans-Ulrich; Biele, Jens; Kuninaka, Hitoshi; Okada, Tatsuaki; Yoshikawa, Makoto; Watanabe, Sei-ichhiro; Fujimoto, Masaki; Spohn, Tilman

    2013-04-01

    Mascot, a Mobile Asteroid Surface Scout, will support JAXA's Hayabusa 2 mission to investigate the C-type asteroid 1999 JU3 (1). The German Aero-space Center (DLR) develops Mascot with contributions from CNES (France) (2). Main objective is to in-situ map the asteroid's geomorphology, the intimate structure, texture and composition of the regolith (dust, soil and rocks), and the thermal, mechanical, and magnetic properties of the surface in order to provide ground truth for the orbiter remote measurements, sup-port the selection of sampling sites, and provide context information for the returned samples. Mascot comprises a payload of four scientific instruments: camera, radiometer, magnetometer and hyperspectral microscope. C- and D-type asteroids hold clues to the origin of the solar system, the formation of planets, the origins of water and life on Earth, the protection of Earth from impacts, and resources for future human exploration. C- and D-types are dark and difficult to study from Earth, and have only been glimpsed by spacecraft. While results from recent missions (e.g., Hayabusa, NEAR (3, 4, 5)) have dramatically increased our understanding of asteroids, important questions remain. For example, characterizing the properties of asteroid reg-olith in-situ would deliver important ground truth for further understanding telescopic and orbital observations and samples of such asteroids. Mascot will descend and land on the asteroid and will change its position two times by hopping. This enables measurements during descent, at the landing and hopping positions #1-3, and during hopping. References: (1) Vilas, F., Astronomical J. 1101-1105, 2008; (2) Ulamec, S., et al., COSPAR, General Assembly, Mysore/India, 2012; (3) Special Issue, Science, Vol. 312 no. 5778, 2006; (4) Special Issue Science, Vol. 333 no. 6046, 2011; (5) Bell, L., Mitton, J-., Cambridge Univ. Press, 2002.

  5. Identification of prevalent vertebral fractures using CT lateral scout views: a comparison of semi-automated quantitative vertebral morphometry and radiologist semi-quantitative grading

    PubMed Central

    Kim, Y. M.; Demissie, S.; Genant, H. K.; Cheng, X.; Yu, W.; Samelson, E. J.; Kiel, D. P.

    2013-01-01

    Summary We compared vertebral fracture assessment by semi-automated quantitative vertebral morphometry measurements with the conventional semi-quantitative (SQ) grading using lateral CT scout views. The semi-automated morphometry method showed good to excellent agreement with the visual SQ grading by radiologists for identification of vertebral fractures. Introduction Semi-automated quantitative vertebral morphometry (QM) measurements may enhance management of osteoporosis patients by providing an efficient means to identify vertebral fractures (VFx). We compared identification of prevalent VFx by semi-automated QM to SQ grading. Methods A non-radiologist performed semi-automated QM from CT lateral scout views in 200 subjects (102 men, 98 women, 65.8±8.9 years) selected from the Framingham Heart Study Multidetector CT Study. VFx were classified in the QM approach based on using Genant’s criteria for deformities, and compared with conventional SQ grading performed by experienced radiologists as the gold standard. The kappa (k) statistics, percent agreement (% Agree), sensitivity (SE), specificity (SP), positive predictive value (PPV), and negative predictive value (NPV) were computed. Results Among 200 subjects, 57 had mild and 41 had moderate or severe VFx by visual SQ grading. Per-person analyses showed excellent agreement between the two methods, with k=0.780. The % Agree ranged from 86.7% to 91.2%, the SE was 81.3%–96%, and the SP was 86.5%–92%. Among 2,588 vertebrae analyzed, 107 had mild and 49 had moderate or severe VFx by visual SQ grading. Per-vertebra analyses revealed good agreement, with k=0.580. Agreement between the methods tended to be highest in L1-L4 region. Agreement and validity measures were higher when only moderate and severe fractures were included. Conclusion The semi-automated quantitative vertebral morphometry measurements from CT lateral scout views provided good to excellent agreement with the standard SQ grading for assessment of

  6. RED-LETTER DAYS

    EPA Science Inventory

    The word "red-letter" is an adjective meaning "of special significance." It's origin is from the practice of marking Christian holy days in red letters on calendars. The "red-letter days" to which I refer occurred while I was a graduate student of ...

  7. Use of computed tomography scout film and Hounsfield unit of computed tomography scan in predicting the radio-opacity of urinary calculi in plain kidney, ureter and bladder radiographs.

    PubMed

    Chua, Michael E; Gomez, Odina R; Sapno, Lorelei D; Lim, Steve L; Morales, Marcelino L

    2014-07-01

    The objective of this study is to determine the diagnostic utility of computed tomography (CT)- scout film with an optimal non-contrast helical CT scan Hounsfield unit (HU) in predicting the appearance of urinary calculus in the plain kidneys, ureter, urinary bladder (KUB)-radiograph. A prospective cross-sectional study was executed and data were collected from June 2007 to June 2012 at a tertiary hospital. The included subjects were diagnosed to have <10mm urolithiasis with non-contrast helical CT scan and KUB X-ray, which were carried out on the same day. Both KUB radiographs and CT-scout film were read by two qualified radiologists with inter-observer standardization prior to the study. Urolithiasis characteristics such as stone location, CT attenuation value, CT-scout film and KUB radiograph appearance were recorded independently by two observers. Univariate logistic analysis with receiver operating characteristic curve was generated to determine the best cut-off HU value of urolithiases not identified in CT-scout film, but determined radio-opaque in KUB X-ray. Subsequently, its sensitivity, specificity, predictive values and likelihood ratios were calculated. Statistical significance was set at P value of 0.05 or less. Two hundred and three valid cases were included. 73 out of 75 CT-scout film detected urolithiasis were identified on plain radiograph and determined as radio-opaque. The determined best cut off value of HU utilized for prediction of radiographic characteristics was 630HU at which urinary calculi were not seen at CT-scout film and were KUB X-ray radio-opaque. The set HU cut-off was established of ideal accuracy with an overall sensitivity of 82.2%, specificity of 96.9% and a positive predictive value of 96.5% and negative predictive value of 83.5%. Urolithiases identified on the CT-scout film were also seen as radiopaque on the KUB radiograph while those stones not visible on the CT-scout film, but above the optimal HU cut-off value of 630 are

  8. Use of computed tomography scout film and Hounsfield unit of computed tomography scan in predicting the radio-opacity of urinary calculi in plain kidney, ureter and bladder radiographs

    PubMed Central

    Chua, Michael E.; Gomez, Odina R.; Sapno, Lorelei D.; Lim, Steve L.; Morales, Marcelino L.

    2014-01-01

    Objective: The objective of this study is to determine the diagnostic utility of computed tomography (CT)- scout film with an optimal non-contrast helical CT scan Hounsfield unit (HU) in predicting the appearance of urinary calculus in the plain kidneys, ureter, urinary bladder (KUB)-radiograph. Methods: A prospective cross-sectional study was executed and data were collected from June 2007 to June 2012 at a tertiary hospital. The included subjects were diagnosed to have <10mm urolithiasis with non-contrast helical CT scan and KUB X-ray, which were carried out on the same day. Both KUB radiographs and CT-scout film were read by two qualified radiologists with inter-observer standardization prior to the study. Urolithiasis characteristics such as stone location, CT attenuation value, CT-scout film and KUB radiograph appearance were recorded independently by two observers. Univariate logistic analysis with receiver operating characteristic curve was generated to determine the best cut-off HU value of urolithiases not identified in CT-scout film, but determined radio-opaque in KUB X-ray. Subsequently, its sensitivity, specificity, predictive values and likelihood ratios were calculated. Statistical significance was set at P value of 0.05 or less. Results: Two hundred and three valid cases were included. 73 out of 75 CT-scout film detected urolithiasis were identified on plain radiograph and determined as radio-opaque. The determined best cut off value of HU utilized for prediction of radiographic characteristics was 630HU at which urinary calculi were not seen at CT-scout film and were KUB X-ray radio-opaque. The set HU cut-off was established of ideal accuracy with an overall sensitivity of 82.2%, specificity of 96.9% and a positive predictive value of 96.5% and negative predictive value of 83.5%. Conclusion: Urolithiases identified on the CT-scout film were also seen as radiopaque on the KUB radiograph while those stones not visible on the CT-scout film, but above

  9. A Mobile Asteroid Surface Scout (MASCOT) for the Hayabusa 2 Mission to 1999 JU3: The Scientific Approach

    NASA Astrophysics Data System (ADS)

    Jaumann, Ralf; Bibring, Jean-Piere; Glassmeier, Karl-Heiz; Grott, Mathias; Ho, Tra-Mi; Ulamec, Stefan; Schmitz, Nicole; Auster, Ulrich; Biele, Jens; Kuninaka, Hitoshi; Okada, Tatsuaki; Yoshikawa, Makoto; Watanabe, Sei-ichiro; Fujimoto, Masaki; Spohn, Tilman; Koncz, Aalexander; Hercik, Davis; Michaelis, Harald

    2015-04-01

    MASCOT, a Mobile Asteroid Surface Scout, will support JAXA's Hayabusa 2 mission to investigate the C-type asteroid 1999 JU3 (1). The German Aer-ospace Center (DLR) develops MASCOT with contributions from CNES (France) (2,3,4). Main objective is to in-situ map the asteroid's geomorphol-ogy, the intimate mixture, texture and composition of the regolith (dust, soil and rocks), and the thermal, mechanical, and magnetic properties of the sur-face in order to provide ground truth for the orbiter remote measurements, support the selection of sampling sites, and provide context information for the returned samples. MASCOT comprises a payload of four scientific in-struments: camera, radiometer, magnetometer and hyperspectral microscope. C- and D-type asteroids hold clues to the origin of the solar system, the for-mation of planets, the origins of water and life on Earth, the protection of Earth from impacts, and resources for future human exploration. C- and D-types are dark and difficult to study from Earth, and have only been glimpsed by spacecraft. While results from recent missions (e.g., Hayabusa, NEAR (5, 6, 7)) have dramatically increased our understanding of asteroids, important questions remain open. For example, characterizing the properties of asteroid regolith in-situ would deliver important ground truth for further understanding telescopic and orbital observations and samples of such asteroids. MASCOT will descend and land on the asteroid and will change its own position up to two times by hopping. This enables measurements during descent, at the landing and hopping positions #1-3, and during hopping. Hayabusa 2 together with MASCOT launched December 3rd 2014, will arrive at 1999JU3 in 2018 and return samples back to Earth in 2020. References: (1) Vilas, F., Astronomical J. 1101-1105, 2008; (2) Ulamec, S., et al., Acta Astronautica, Vol. 93, pp. 460-466; (3) Jaumann et al., 45th LPSC, #1812, Houston; (4) Ho et al., 45th LPSC, #2535, Houston; (5) Spe-cial Issue

  10. Prevalence and Impact of Glenoid Augmentation in American Football Athletes Participating in the National Football League Scouting Combine.

    PubMed

    Knapik, Derrick M; Gillespie, Robert J; Salata, Michael J; Voos, James E

    2017-08-01

    Bony augmentation of the anterior glenoid is used in athletes with recurrent shoulder instability and bone loss; however, the prevalence and impact of repair in elite American football athletes are unknown. To evaluate the prevalence and impact of glenoid augmentation in athletes invited to the National Football League (NFL) Scouting Combine from 2012 to 2015. Case series; Level of evidence, 4. A total of 1311 athletes invited to the NFL Combine from 2012 to 2015 were evaluated for history of either Bristow or Latarjet surgery for recurrent anterior shoulder instability. Athlete demographics, surgical history, imaging, and physical examination results were recorded using the NFL Combine database. Prospective participation data with regard to draft status, games played, games started, and status after the athletes' first season in the NFL were gathered using publicly available databases. Surgical repair was performed on 10 shoulders in 10 athletes (0.76%), with the highest prevalence in defensive backs (30%; n = 3). Deficits in shoulder motion were exhibited in 70% (n = 7) of athletes, while 40% (n = 4) had evidence of mild glenohumeral arthritis and 80% demonstrated imaging findings consistent with a prior instability episode (8 labral tears, 2 Hill-Sachs lesions). Prospectively, 40% (n = 4) of athletes were drafted into the NFL. In the first season after the combine, athletes with a history of glenoid augmentation were not found to be at significant risk for diminished participation with regard to games played or started when compared with athletes with no history of glenoid augmentation or athletes undergoing isolated shoulder soft tissue repair. After the conclusion of the first NFL season, 60% (n = 6 athletes) were on an active NFL roster. Despite being drafted at a lower rate than their peers, there were no significant limitations in NFL participation for athletes with a history of glenoid augmentation when compared with athletes without a history of shoulder

  11. Isokinetic concentric quadriceps and hamstring normative data for elite collegiate American football players participating in the NFL Scouting Combine.

    PubMed

    Zvijac, John E; Toriscelli, Todd A; Merrick, W Shannon; Papp, Derek F; Kiebzak, Gary M

    2014-04-01

    Isokinetic concentric quadriceps and hamstring strength data using a Cybex dynamometer are collected for elite collegiate American football players invited to the annual National Football League Scouting Combine. We constructed a normative (reference) database of the Cybex strength data for the purpose of allowing comparison of an individual's values to his peers. Data reduction was performed to construct frequency distributions of hamstring/quadriceps (H/Q) ratios and side-to-side strength differences. For the cohort (n = 1,252 players), a statistically significant but very small (1.9%) mean quadriceps strength preference existed for dominant side vs. nondominant side. Peak torque (Newton meters, best repetition) for quadriceps and hamstrings was significantly correlated to player body mass (weight) (the same relationship was found for other variables using peak torque in the calculation). Peak torque varied by player position, being greatest for offensive linemen and lowest for kickers (p < 0.0001). Adjusting for body weight overcorrected these differences. The H/Q ratios and frequency distributions were similar across positions, with a mean of 0.6837 ± 0.137 for the cohort dominant side vs. 0.6940 ± 0.145 for the nondominant side (p = 0.021, n = 1,252). Considerable variation was seen for dominant-to-nondominant side difference for peak torque. For quadriceps, 47.2% of players had differences between -10% and +10%, 21.0% had a peak torque dominant-side deficit of 10% or greater compared to nondominant side, and for 31.8% of players, dominant-side peak torque was greater than 10% compared to nondominant side. For hamstrings, 57.0% of players had differences between -10% and +10%, 19.6% had a peak torque dominant-side deficit of 10% or greater compared to nondominant side, and 23.4% of players, dominant-side peak torque was greater than 10% compared to nondominant side. We observed that isokinetic absolute strength variables are dependent on body weight and vary

  12. Equal Access to Public School Facilities for the Boy Scouts of America and Other Designated Youth Groups: Final Rule. Federal Register, Part II: Department of Education, 34 CFR Parts 75, 76, and 108

    ERIC Educational Resources Information Center

    National Archives and Records Administration, 2006

    2006-01-01

    The Secretary adds a new part to title 34 of the Code of Federal Regulations and amends 34 CFR parts 75 and 76 to implement the provisions of the Boy Scouts of America Equal Access Act (Act). This Act directs the Secretary of Education, through the Office for Civil Rights (OCR), to ensure compliance with this new law. The regulations address equal…

  13. HALE Scouts Act

    THOMAS, 111th Congress

    Rep. Boren, Dan [D-OK-2

    2009-01-08

    Senate - 12/16/2009 Placed on Senate Legislative Calendar under General Orders. Calendar No. 231. (All Actions) Tracker: This bill has the status Passed HouseHere are the steps for Status of Legislation:

  14. Scout 2 program status

    NASA Astrophysics Data System (ADS)

    Fabrizi, A.; Green, M.

    1989-05-01

    A proposed new European launcher for small payloads is described. The vehicle is capable of placing 550 kg payload in low Earth orbit from the launch range of San Marco (Italy). The project is currently under detailed review and evaluation.

  15. Impact of image noise levels, scout scan dose and lens shield on image quality and radiation exposure in z-axis dose-modulated neck MSCT on 16- and 64-slice Toshiba Aquilion scanners.

    PubMed

    Bauknecht, Hans-Christian; Jach, Cornelia; Bohner, Georg; Meyer, Henning; Scheurig, Christian; Siebert, Eberhard; Klingebiel, Randolf

    2010-02-01

    Assessing the impact of image noise (IN) levels, scout scan dose and lens shield use on image quality and radiation exposure in neck multislice CT (MSCT) when using z-axis dose modulation (DM). Neck MSCT phantom studies with/without z-axis DM were performed by using different IN levels (S.D. 7.5-30HU) and scout scan tube currents (7.5-50mA) on Toshiba Aquilion scanners (16-/64-slice). Image quality indices were evaluated by two radiologists and radiation exposure parameters calculated. Cadaveric phantom measurements elucidated lens shield interactions with DM efficacy. The lowest dose scan protocol with diagnostic image quality was introduced into the clinical imaging routine and retrospectively evaluated in 20 age-matched patients undergoing neck MSCT with/without DM. The highest image noise level in DM neck studies with comparable image quality to standard neck CT amounted to 20HU, resulting in a mean tube current of 50mAs (CTDI(w) 6.3mGy). DM reduced effective dose by 35% and organ dose figures (lens, thyroid) by 33%. Scout scan dose lowering to 20mA resulted in an effective dose (ED) decrease of 0.06mSv (5%). Avoiding lens shield placement during scout scan effected an organ dose decrease of 20%. Overall contour sharpness and image contrast did not differ significantly (DM/without DM) whereas image noise was rated higher in DM neck CT studies (p<0.05). z-Axis dose modulation, as assessed on 16- and 64-slice Toshiba Aquilion scanners, is effective and mandatory in neck MSCT. DM efficacy can be enhanced by optimising scout scan doses and lens shield use. Copyright (c) 2008 Elsevier Ireland Ltd. All rights reserved.

  16. Isokinetic concentric quadriceps and hamstring strength variables from the NFL Scouting Combine are not predictive of hamstring injury in first-year professional football players.

    PubMed

    Zvijac, John E; Toriscelli, Todd A; Merrick, Shannon; Kiebzak, Gary M

    2013-07-01

    There are conflicting reports regarding the association between isokinetic concentric quadriceps and hamstring strength deficits and ratios and risk for hamstring injuries in athletes. To determine if isokinetic concentric Cybex data collected during the annual National Football League (NFL) Scouting Combine are predictive of hamstring injury in professional American football players during their first season. Case-control study; Level of evidence, 3. All 32 NFL teams identified players selected during the first 5 rounds of the NFL annual draft who had hamstring injuries during their first professional season. Of these, 164 players with 172 injuries also had Cybex data from the previous year's Combine. Analyses compared injured legs with contralateral uninjured legs and also injured players with uninjured controls using a database of Cybex data from all players who participated in the NFL Scouting Combine from 2006 to 2011. No Cybex strength variable differentiated the injured legs from the contralateral uninjured legs or injured players from uninjured controls, even after taking into account days lost from activity. Mean ± SD peak torque for the injured and contralateral uninjured sides was as follows: 315.7 ± 70.0 and 313.5 ± 68.3 N · m, respectively (P = .773, paired t test), for quadriceps and 203.0 ± 42.4 and 205.3 ± 42.5 N · m, respectively (P = .608, paired t test), for hamstrings. The sensitivity and specificity for the hamstrings-to-quadriceps ratio predicting hamstring injury were 0.513 (95% confidence interval, 0.419-0.607) and 0.524 (0.495-0.554), indicating that the hamstrings-to-quadriceps ratio was not a useful predictor of injury (calculation used the mean ± SD ratio for injured legs, 0.656 ± 0.133). Side-to-side peak torque differences were also not predictive of injury, with more than a 10% difference (plus or minus) occurring commonly in both injured and uninjured players for quadriceps (53% prevalence for both injured and uninjured) and

  17. Cobb's Red Cabbage Indicator.

    ERIC Educational Resources Information Center

    Cobb, Vicki

    1998-01-01

    Describes the use of an indicator made from the pigment in red cabbage. Cabbage is grated then soaked in water. When the water is a strong red, the cabbage is strained out. The cabbage-juice indicator is then used to test for acids and bases. Includes a list of good foods to test for acidity and alkalinity. (PVD)

  18. Jupiter Great Red Spot

    NASA Image and Video Library

    1997-09-07

    This view of Jupiter Great Red Spot is a mosaic of two images taken by NASA Galileo spacecraft. The Great Red Spot is a storm in Jupiter atmosphere and is at least 300 years-old. The image was taken on June 26, 1996. http://photojournal.jpl.nasa.gov/catalog/PIA00296

  19. Jupiter Great Red Spot

    NASA Image and Video Library

    1996-02-01

    This dramatic view of Jupiter Great Red Spot and its surroundings was obtained by NASA Voyager 1 on Feb. 25, 1979. The colorful, wavy cloud pattern to the left of the Red Spot is a region of extraordinarily complex end variable wave motion. http://photojournal.jpl.nasa.gov/catalog/PIA00014

  20. The pediatric red eye.

    PubMed

    Wong, Melissa M; Anninger, William

    2014-06-01

    There is a broad differential for the pediatric red eye, which may range from benign conditions to vision- and/or life-threatening conditions. This article presents a systematic differential, red flags for referral, and treatment options. Copyright © 2014 Elsevier Inc. All rights reserved.

  1. [The red eye].

    PubMed

    Alami, A; Gérard, P; Bremer, F

    2014-09-01

    The red eye is a frequent symptom in emergency consultation. The general practitioner should be aware about the sample of possible etiologies. The diseases causing redness are various, sometimes benign but sometimes threatening vision. The most frequent diagnostic hypotheses will be summarized here, as well as the practical methodological elements allowing gross differential diagnosis in the absence of specific instrumentation.

  2. Cobb's Red Cabbage Indicator.

    ERIC Educational Resources Information Center

    Cobb, Vicki

    1998-01-01

    Describes the use of an indicator made from the pigment in red cabbage. Cabbage is grated then soaked in water. When the water is a strong red, the cabbage is strained out. The cabbage-juice indicator is then used to test for acids and bases. Includes a list of good foods to test for acidity and alkalinity. (PVD)

  3. Red Pine Shoot Moth

    Treesearch

    John Hainze; David Hall

    The red pine shoot moth recently caused significant damage to red pine plantations in Minnesota, Wisconsin and Michigan. Trees of all ages have been attacked, but the most severe damage has occurred in 20-40 year old plantations growing on sandy soils.

  4. Volatile out gassing characteristics of highly filled ethylene vinyl acetate binder materials: Gas phase infra-red spectroscopy

    DOE PAGES

    Patel, Mogon; Bowditch, Martin; Jones, Ben; ...

    2012-12-08

    Gas phase Infra-red (IR) spectroscopy has been used to investigate volatile out gassing properties of highly filled poly (ethylene-co-vinyl acetate) materials. In these studies, a Scout-ENTM heated gas cell was interfaced to a vacuum FTIR spectrometer, and the quantification of evolved species was achieved through calibration of the gas cell with certified gas standards. The volatile out gassing properties were monitored as a function of time during storage at 75°C under vacuum conditions (< 1mbar). Acetic acid, carbon dioxide and water were identified as the major out gassing products through IR absorption peaks at 1797, 2354 and 3853 cm-1, respectively.more » We present a comparison of three highly filled poly (ethyleneco- vinyl acetate) resins.« less

  5. Volatile out gassing characteristics of highly filled ethylene vinyl acetate binder materials: Gas phase infra-red spectroscopy

    SciTech Connect

    Patel, Mogon; Bowditch, Martin; Jones, Ben; Netherton, David; Khan, Niaz; Letant, Sonia; Maxwell, Robert S.; Birdsell, Stephen A.

    2012-12-08

    Gas phase Infra-red (IR) spectroscopy has been used to investigate volatile out gassing properties of highly filled poly (ethylene-co-vinyl acetate) materials. In these studies, a Scout-ENTM heated gas cell was interfaced to a vacuum FTIR spectrometer, and the quantification of evolved species was achieved through calibration of the gas cell with certified gas standards. The volatile out gassing properties were monitored as a function of time during storage at 75°C under vacuum conditions (< 1mbar). Acetic acid, carbon dioxide and water were identified as the major out gassing products through IR absorption peaks at 1797, 2354 and 3853 cm-1, respectively. We present a comparison of three highly filled poly (ethyleneco- vinyl acetate) resins.

  6. Search for narrow resonances in dijet final states at √{s }=8 TeV with the novel CMS technique of data scouting

    NASA Astrophysics Data System (ADS)

    Işıldak, Bora

    2017-02-01

    Narrow resonances decaying into dijet final states are searched with the data obtained from proton-proton collisions at a center-of-mass energy of 8 TeV, corresponding to an integrated luminosity of 18.8 f b-1. The data were collected with the CMS detector using a novel technique called data scouting. This novel technique allows collecting the data at a rate of 1 kHz in which the events only containing certain properties of jets. The measured dijet mass spectrum shows no evidence of a narrow resonances. Upper limits on the resonance cross sections are given as a function of the resonance mass, and also compared with a variety of models predicting narrow resonances. These limits are then translated into upper limits on the coupling of a leptophobic resonance Z'B to quarks, improving on the results obtained by previous experiments for the mass range from 500 to 800 GeV.

  7. Improving the Pipeline of Women in STEM Fields: Addressing Challenges in Instruction, Engagement, and Evaluation of an Aerospace Workshop Series for Girl Scouts

    NASA Astrophysics Data System (ADS)

    Sealfon, C. D.; Plummer, J. D.

    2012-08-01

    The Women in Aerospace and Technology Project (WATP) is a collaborative effort between the Girl Scouts of Eastern Pennsylvania, the American Helicopter Museum, Boeing Rotorcraft, Sikorsky Global Helicopters, Drexel University, West Chester University, and Arcadia University. The program aims to increase the representation of women in STEM (Science, Technology, Engineering, and Math) fields; the evaluation team identified a secondary goal to assess growth in participants' understanding of scientific inquiry. Girls, grades 4-12, were invited to join Girl Scout troops formed at the American Helicopter Museum to participate in a series of eight workshops on the physics and engineering of flight. Five college women majoring in physics and engineering were recruited as mentors for the girls. Lessons were written by local aerospace industry partners (including Boeing and Sikorsky); the mentors then taught the lessons and activities during the workshops. To evaluate the impact of this project, we collected data to answer two research questions: 1) In what ways does the program impact participants' attitudes towards science and interest in pursuing science as a career? 2) In what ways does the program impact participants' understanding of the nature of scientific inquiry? In this article we summarize results from two sources of data: before and after survey of attitudes about science and end-of-workshop informal questionnaires. Across the seven months of data collection, two challenges became apparent. First, our assessment goals, focusing on scientific interest and inquiry, seemed misaligned with the workshop curricula, which emphasized engineering and design. Secondly, there was little connection among activities within workshops and across the program.

  8. The National Football League Scouting Combine from 1999 to 2014: normative reference values and an examination of body mass normalization techniques.

    PubMed

    Nuzzo, James L

    2015-02-01

    The primary purpose of this study was to identify the most appropriate method for normalizing physical performance measures to body mass in American football players. Data were obtained from the population of players (n = 4,603) that completed the vertical jump, broad jump, 40-yd sprint, 20-yd shuttle, 3-cone drill, and bench press at the National Football League Scouting Combine from 1999 to 2014. Correlation coefficients were used to assess relationships between body mass and physical performance measures. For the entire group and each playing position, absolute (i.e., non-normalized) performance measures were significantly (p ≤ 0.05) correlated with body mass, indicating that normalization is warranted. Ratio scaling, however, was not appropriate for normalizing most performance measures because it merely reversed (and increased in magnitude) the significant correlations between body mass and performance. Allometric scaling with derived allometric parameters was appropriate for normalizing all performance measures because correlations between body mass and performance were near to zero and no longer statistically significant. However, the derived allometric parameters differed by playing position. Thus, when normalizing physical performance measures to body mass, strength and conditioning professionals should use allometric scaling with test- and position-specific allometric parameters. Additionally, in the current study, percentile rankings were generated to provide test- and position-specific normative reference values for the absolute measures. Until body mass normalization techniques are adopted more broadly, strength and conditioning professionals can use these normative references values to compare current players with those who have already participated in the Scouting Combine.

  9. Be(ing) prepared: Guide and Scout participation, childhood social position and mental health at age 50—a prospective birth cohort study

    PubMed Central

    Dibben, Chris; Playford, Chris; Mitchell, Richard

    2017-01-01

    Background Mental health is a major concern in many countries. We explore whether youth participation in the Scouts and Guides could protect mental health in later life and in particular whether it might reduce inequalities in mental health associated with early life socioeconomic position. Methods Using the 1958 birth cohort National Child Development Study, we tested whether Scouts–Guide attendance was associated with mental health (SF-36, Mental Health Index (MHI-5)) controlling for childhood risk factors and interacted with social class. Results Of the 9603 cohort members, 28% had participated in the Scouts–Guides. The average MHI-5 score was 74.8 (SD 18.2) at age 50. After adjustment, for potential childhood confounders, participation in Scouts–Guides was associated with a better MHI-5 score of 2.22 (CI 1.32 to 3.08). Among those who had not been a Scout–Guide, there was a gradient in mental health at age 50 by childhood social position, adjusting for other childhood risk factors. This gradient was absent among those who had been a Scout–Guide. Scout–Guides had an 18% lower odds of an MHI-5 score indicative of mood or anxiety disorder. The findings appeared robust to various tests for residual confounding. Conclusions Participation in Guides or Scouts was associated with better mental health and narrower mental health inequalities, at age 50. This suggests that youth programmes that support resilience and social mobility through developing the potential for continued progressive self-education, ‘soft’ non-cognitive skills, self-reliance, collaboration and activities in natural environments may be protective of mental health in adulthood. PMID:27834224

  10. High Red Blood Cell Count

    MedlinePlus

    Symptoms High red blood cell count By Mayo Clinic Staff A high red blood cell count is an increase in oxygen-carrying cells in your bloodstream. Red blood cells transport oxygen from your lungs to tissues throughout ...

  11. Ocular Emergencies: Red Eye.

    PubMed

    Tarff, Andreina; Behrens, Ashley

    2017-05-01

    "Red eye" is used as a general term to describe irritated or bloodshot eyes. It is a recognizable sign of an acute/chronic, localized/systemic underlying inflammatory condition. Conjunctival injection is most commonly caused by dryness, allergy, visual fatigue, contact lens overwear, and local infections. In some instances, red eye can represent a true ocular emergency that should be treated by an ophthalmologist. A comprehensive assessment of red eye conditions is required to preserve the patients visual function. Severe ocular pain, significant photophobia, decreased vision, and history of ocular trauma are warning signs demanding immediate ophthalmological consultation. Copyright © 2017 Elsevier Inc. All rights reserved.

  12. Red Bull Stratos Presentation

    NASA Image and Video Library

    Red Bull Stratos High Performance Director Andy Walshe & Technical Project Director Art Thompson share the Stratos story with JSC. Supported by a team of experts, Felix Baumgartner reached 128,100 ...

  13. American Red Cross

    MedlinePlus

    ... Media Resources Connect with Us Careers Career Opportunities Culture & Values Benefits University Programs Get Help Disaster Relief & ... Join the Home Fire campaign and help solve America's biggest disaster threat. JOIN US Shop the Red ...

  14. Red Hill Updates

    EPA Pesticide Factsheets

    This and other periodic updates are intended to keep the public informed on major progress being made to protect public health and the environment at the Red Hill Underground Fuel Storage Facility in Hawaii.

  15. Aurora Australis, Red Crown

    NASA Technical Reports Server (NTRS)

    1991-01-01

    This view of the Aurora Australis or Southern Lights (location unknown) shows a spiked band of red airglow called a 'Red Crown' above the Earth Limb. Calculated to be in the 80 - 120 km altitude region, auroral activity is due to exitation of atomic oxygen in the upper atmosphere by radiation from the van Allen Radiation Belts and is most common above the 65 degree north and south latitude range during the spring and fall of the year.

  16. Egypt and Red Sea

    NASA Technical Reports Server (NTRS)

    1982-01-01

    A panaramic view of eastern Egypt, The Red Sea and Saudi Arabia beyond (24.0N, 33.0E). In this desert country, where water is life, the high Aswan Dam and the impounded waters of the Nile River in the foreground assure water availability into the next century. The Red Sea beyond, part of the Suez Canal seaway, serves as a commercial link to the world and separates Egypt from Saudi Arabia.

  17. Egypt and Red Sea

    NASA Technical Reports Server (NTRS)

    1982-01-01

    A panaramic view of eastern Egypt, The Red Sea and Saudi Arabia beyond (24.0N, 33.0E). In this desert country, where water is life, the high Aswan Dam and the impounded waters of the Nile River in the foreground assure water availability into the next century. The Red Sea beyond, part of the Suez Canal seaway, serves as a commercial link to the world and separates Egypt from Saudi Arabia.

  18. Whence the red panda?

    PubMed

    Flynn, J J; Nedbal, M A; Dragoo, J W; Honeycutt, R L

    2000-11-01

    The evolutionary history of the red panda (Ailurus fulgens) plays a pivotal role in the higher-level phylogeny of the "bear-like" arctoid carnivoran mammals. Characters from morphology and molecules have provided inconsistent evidence for placement of the red panda. Whereas it certainly is an arctoid, there has been major controversy about whether it should be placed with the bears (ursids), ursids plus pinnipeds (seals, sea lions, walrus), raccoons (procyonids), musteloids (raccoons plus weasels, skunks, otters, and badgers [mustelids]), or as a monotypic lineage of uncertain phylogenetic affinities. Nucleotide sequence data from three mitochondrial genes and one nuclear intron were analyzed, with more complete taxonomic sampling of relevant taxa (arctoids) than previously available in analyses of primary molecular data, to clarify the phylogenetic relationships of the red panda to other arctoid carnivorans. This study provides detailed phylogenetic analyses (both parsimony and maximum-likelihood) of primary character data for arctoid carnivorans, including bootstrap and decay indices for all arctoid nodes, and three statistical tests of alternative phylogenetic hypotheses for the placement of the red panda. Combined phylogenetic analyses reject the hypotheses that the red panda is most closely related to the bears (ursids) or to the raccoons (procyonids). Rather, evidence from nucleotide sequences strongly support placement of the red panda within a broad Musteloidea (sensu lato) clade, including three major lineages (the red panda, the skunks [mephitids], and a clearly monophyletic clade of procyonids plus mustelids [sensu stricto, excluding skunks]). Within the Musteloidea, interrelationships of the three major lineages are unclear and probably are best considered an unresolved trichotomy. These data provide compelling evidence for the relationships of the red panda and demonstrate that small taxonomic sample sizes can result in misleading or possibly erroneous

  19. Red cell membrane disorders.

    PubMed

    Narla, J; Mohandas, N

    2017-05-01

    Significant advances have been made in our understanding of the structural basis for altered cell function in various inherited red cell membrane disorders with reduced red cell survival and resulting hemolytic anemia. The current review summarizes these advances as they relate to defining the molecular and structural basis for disorders involving altered membrane structural organization (hereditary spherocytosis [HS] and hereditary elliptocytosis [HE]) and altered membrane transport function (hereditary overhydrated stomatocytosis and hereditary xerocytosis). Mutations in genes encoding membrane proteins that account for these distinct red cell phenotypes have been identified. These molecular insights have led to improved understanding of the structural basis for altered membrane function in these disorders. Weakening of vertical linkage between the lipid bilayer and spectrin-based membrane skeleton leads to membrane loss in HS. In contrast, weakening of lateral linkages among different skeletal proteins leads to membrane fragmentation and decreased surface area in HE. The degrees of membrane loss and resultant increases in cell sphericity determine the severity of anemia in these two disorders. Splenectomy leads to amelioration of anemia by increasing the circulatory red cell life span of spherocytic red cells that are normally sequestered by the spleen. Disordered membrane cation permeability and resultant increase or decrease in red cell volume account for altered cellular deformability of hereditary overhydrated stomatocytosis and hereditary xerocytosis, respectively. Importantly, splenectomy is not beneficial in these two membrane transport disorders and in fact contraindicated due to severe postsplenectomy thrombotic complications. © 2017 John Wiley & Sons Ltd.

  20. Patient-specific tube-voltage selection at coronary CT angiography based on the combination of X-ray attenuation on scout views and body mass index: how can appropriate radiation dose be achieved?

    PubMed

    Noto, Daichi; Funama, Yoshinori; Utsunomiya, Daisuke; Oda, Seitaro; Yuki, Hideaki; Yamashita, Yasuyuki

    2015-10-01

    Body weight, body mass index (BMI), and scout X-ray radiographic attenuation can be used to predict image noise on computed tomographic coronary angiography (CTCA) images. To use a formula to predict patient-specific image noise and then select an appropriate CTCA patient-specific tube voltage for better radiation control. Forty-eight patients who underwent CTCA imaging at 120 kVp were reviewed, and their patient information and scouting X-ray radiographic attenuations were recorded to identify the best correlations between patient data and image noise and to develop a predicted image noise formula. Subsequently, 54 patients subjected to scanning at 100 or 120 kVp, depending on the noise predicted by our formula, were prospectively studied. Two radiologists visually assessed the image quality of the right coronary artery (RCA), left anterior descending artery (LAD), and left circumflex artery (LCX) by consensus readings. The predicted image noise = 0.939 BMI + 0.025 scouting attenuation + 20.16. The median value of the overall image noise was 30.55 HU at 120 kVp and 29.85 HU at 100 kVp. The mean visual evaluation scores at 100 and 120 kVp were 3.25 and 3.24 for the proximal RCA, 3.40 and 3.26 for the proximal LAD, and 3.30 and 3.15 for the proximal LCX, respectively. The BMI and scouting X-ray radiographic attenuation can be combined to predict the CTCA image noise. Our prediction formula is useful for deciding when to switch from the 120- to the 100-kVp technique. © The Foundation Acta Radiologica 2014.

  1. Red-based cumulus.

    PubMed

    Gedzelman, Stanley David

    2015-02-01

    Observations and model simulations of cumulus clouds whose bases are tinted red when the Sun is well above the horizon are presented. Conditions for seeing red bases include (1) a red underlying surface (which may consist of dust clouds, as from haboobs) with high albedo, (2) small fractional cloud cover when the Sun is far enough below the zenith for direct sunlight to illuminate much of the surface directly below and around cloud base, (3) optically thick clouds so that the bases are dark, and (4) clouds with bases that are near enough to the observer to appear high in the sky so that the admixture of scattered light from the intervening atmosphere is minimized.

  2. [Red eye in children].

    PubMed

    Sauer, Arnaud; Speeg-Schatz, Claude; Bourcier, Tristan

    2008-02-29

    Red eye in children is a common consultation purpose. Mostly benign, this sign may also cause visual impairment. We differentiate three kinds of red eye: localised, diffused and perikeratic injection. The last one must be recognized because of its association with severe ocular diseases. Diagnosis must be sure and treatment has to be efficient to not pertubate childrens visual development. Unfortunately, physical examination on children is not always easy. Consultation with an ophthalmologist is justified if a doubt remains, in case of chronic pathology or resistance to first intention treatment.

  3. SU-D-217A-06: Impact of Anterior-Posterior (AP) and Posterior-Anterior (PA) Scout Scans on the CT Radiation Dose in the Whole Body PET/CT Scan.

    PubMed

    Luo, D; Pan, T

    2012-06-01

    CT can contribute over 50% of radiation dose in the whole body (WB) PET/CT scan. Tube current modulation (TCM) is a standard technique for reducing CT radiation dose to the patient by changing the tube current with the patient size, and is controlled by a very low-dose scoutscan, which assumes the patient is positioned at the center of the CT gantry opening. However, most patients are not positioned at the center due to practicality or to avoid claustrophobic or to reduce time of radiation exposure from the patient to the technologist. We study the impact of the AP and PA scout scans to the patient radiation exposure from CT. Ina retrospective study of 200 patients, each received two WB PET/CT scans: one with AP, and the other one with PA. The helical CT with TCM and PET acquisitions were identical in both scans. Separation of the two scans was about 10 months in average. The scans were performed on four GE PET/CT scanners: three 16- and one 64-slice with the same TCM settings. The 200patients were selected for the same scan coverage and similar body weight (difference = 3 kg). The tube current in each slice and average exposure tothe patient were recorded and compared. The AP scout caused lower radiation dose on 94% of the patients. Both the tube current, and radiation exposure were reduced by 46±30 mA and 1.6±1.0 mGy, respectively. The effective radiation dose is reduced by 1.7±1.2 mSv. These results were statistically significant (p<0.00001). The AP scout caused significantly less radiation dose than the PA scout in the CT scan of the whole-body PET/CT scan. Care should be taken to select theorientation of the scout scan to achieve appropriate radiation exposure to the patient when TCM is applied. © 2012 American Association of Physicists in Medicine.

  4. Canadian Red Cross.

    PubMed

    Lavender, Colleen

    2008-01-01

    The Canadian Red Cross is guided by its Fundamental Principles--humanity, impartiality, neutrality, independence, voluntary service, unity, and universality--and organized in a traditional geographic hierarchical structure. Among the characteristics that have contributed to its success are a budgeting process that starts at the local level, measurement of program outcomes, and coordinated fundraising activities at the regional level.

  5. 'Vintage' Red Raspberry

    USDA-ARS?s Scientific Manuscript database

    'Vintage' is a new primocane-fruiting red raspberry (Rubus idaeus L.) from the U.S. Dept. of Agriculture–Agricultural Research Service (USDA–ARS) breeding program in Corvallis, OR released in cooperation with the Oregon State Agricultural Experiment Station and the Washington State University Agricu...

  6. Red Emitting VCSEL

    NASA Astrophysics Data System (ADS)

    Jetter, Michael; Roßbach, Robert; Michler, Peter

    This chapter describes the progress in development of vertical-cavity surface-emitting lasers (VCSEL) emitting in the red spectral region around 650 nm for data transmission over polymer optical fibers (POF). First, growth issues of red VCSEL using two different material systems, namely AlGaAs and AlGaInP, are introduced. In particular, the optical and electrical state-of-the-art characteristics as low threshold currents ({≤} 1 mA) and high output powers (several mW) are presented with a special focus on emission wavelength. Also the thermal budget and heat removal in the devices are pointed out with regard to the geometry of the VCSEL. Small-signal modulation response in terms of maximum resonance frequency in dependance on temperature behavior are discussed. Applications of these devices in optical interconnects are described and digital data transmission at data rates up to 2.1 Gbit/s over step-index POF is reported. These properties make red emitting VCSEL perfectly suited for high-speed low power consuming light sources for optical data communication via POF. By introducing InP quantum dots as gain material in red emitting VCSEL nearly temperature independent record low threshold current densities of around 10 A/cm2 could be observed.

  7. Clover, Red (Trifolium pretense)

    USDA-ARS?s Scientific Manuscript database

    Genetic modification of plants by the insertion of transgenes can be a powerful experimental approach to answer basic questions about gene product function. This technology can also be used to make improved crop varieties for use in the field. To apply this powerful tool to red clover, an important ...

  8. Red Cross Swimming Update.

    ERIC Educational Resources Information Center

    Vlasich, Cynthia

    1989-01-01

    Six new aquatic courses, developed by the Red Cross, are described. They are: Infant and Preschool Aquatics, Longfellow's Whale Tales (classroom water safety lessons for K-Six), Basic Water Safety, Emergency Water Safety, Lifeguard Training, and Safety Training for Swim Coaches. (IAH)

  9. Red sea drillings.

    PubMed

    Ross, D A; Whitmarsh, R B; Ali, S A; Boudreaux, J E; Coleman, R; Fleisher, R L; Girdler, R; Manheim, F; Matter, A; Nigrini, C; Stoffers, P; Supko, P R

    1973-01-26

    Recent drilling in the Red Sea has shown that much of the basin is underlain by evaporites of a similar age to that of evaporites found in the Mediterranean Sea. These evaporites and their structural positions indicate that other brine areas are present-and, indeed, several others have been discovered.

  10. Red Mud Stacking

    NASA Astrophysics Data System (ADS)

    Bélanger, Marie-J.

    The red mud slurry "stacking" method used in many Alcan Plants has been developed in the 1980's. The aim of this technique is to use minimum space for the disposal of the residue and to rapidly obtain consolidated material. The consistency of the mud slurry plays a key role in the steepness (angle) of the stacking slope.

  11. Red Cross Swimming Update.

    ERIC Educational Resources Information Center

    Vlasich, Cynthia

    1989-01-01

    Six new aquatic courses, developed by the Red Cross, are described. They are: Infant and Preschool Aquatics, Longfellow's Whale Tales (classroom water safety lessons for K-Six), Basic Water Safety, Emergency Water Safety, Lifeguard Training, and Safety Training for Swim Coaches. (IAH)

  12. Aerodynamic Loading Characteristics at Mach Numbers from 0.80 to 1.20 of a 1/10-Scale Three-Stage Scout Model

    NASA Technical Reports Server (NTRS)

    Kelly, Thomas C.

    1961-01-01

    Aerodynamic loads results have been obtained in the Langley 8-foot transonic pressure tunnel at Mach numbers from 0.80 to 1.20 for a 1/10-scale model of the upper three stages of the Scout vehicle. Tests were conducted through an angle-of-attack range from -8 deg to 8 deg at an average test Reynolds number per foot of about 4.0 x 10(exp 6). Results indicated that the peak negative pressures associated with expansion corners at the nose and transition flare exhibit sizeable variations which occur over a relatively small Mach number range. The magnitude of the variations may cause the critical local loading condition for the full-scale vehicle to occur at a Mach number considerably lower than that at which the maximum dynamic pressure occurs in flight. The addition of protuberances simulating antennas and wiring conduits had slight, localized effects. The lift carryover from the nose and transition flare on the cylindrical portions of the model generally increased with an increase in Mach number.

  13. Search for Narrow Resonances in Dijet Final States at sqrt[s]=8  TeV with the Novel CMS Technique of Data Scouting.

    PubMed

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Smith, W H; Taylor, D; Verwilligen, P; Woods, N

    2016-07-15

    A search for narrow resonances decaying into dijet final states is performed on data from proton-proton collisions at a center-of-mass energy of 8 TeV, corresponding to an integrated luminosity of 18.8  fb^{-1}. The data were collected with the CMS detector using a novel technique called data scouting, in which the information associated with these selected events is much reduced, permitting collection of larger data samples. This technique enables CMS to record events containing jets at a rate of 1 kHz, by collecting the data from the high-level-trigger system. In this way, the sensitivity to low-mass resonances is increased significantly, allowing previously inaccessible couplings of new resonances to quarks and gluons to be probed. The resulting dijet mass distribution yields no evidence of narrow resonances. Upper limits are presented on the resonance cross sections as a function of mass, and compared with a variety of models predicting narrow resonances. The limits are translated into upper limits on the coupling of a leptophobic resonance Z_{B}^{'} to quarks, improving on the results obtained by previous experiments for the mass range from 500 to 800 GeV.

  14. Search for Narrow Resonances in Dijet Final States at √{s }=8 TeV with the Novel CMS Technique of Data Scouting

    NASA Astrophysics Data System (ADS)

    Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Asilar, E.; Bergauer, T.; Brandstetter, J.; Brondolin, E.; Dragicevic, M.; Erö, J.; Flechl, M.; Friedl, M.; Frühwirth, R.; Ghete, V. M.; Hartl, C.; Hörmann, N.; Hrubec, J.; Jeitler, M.; König, A.; Krätschmer, I.; Liko, D.; Matsushita, T.; Mikulec, I.; Rabady, D.; Rad, N.; Rahbaran, B.; Rohringer, H.; Schieck, J.; Strauss, J.; Treberer-Treberspurg, W.; Waltenberger, W.; Wulz, C.-E.; Mossolov, V.; Shumeiko, N.; Suarez Gonzalez, J.; Alderweireldt, S.; De Wolf, E. A.; Janssen, X.; Knutsson, A.; Lauwers, J.; Van De Klundert, M.; Van Haevermaet, H.; Van Mechelen, P.; Van Remortel, N.; Van Spilbeeck, A.; Abu Zeid, S.; Blekman, F.; D'Hondt, J.; Daci, N.; De Bruyn, I.; Deroover, K.; Heracleous, N.; Lowette, S.; Moortgat, S.; Moreels, L.; Olbrechts, A.; Python, Q.; Tavernier, S.; Van Doninck, W.; Van Mulders, P.; Van Parijs, I.; Brun, H.; Caillol, C.; Clerbaux, B.; De Lentdecker, G.; Delannoy, H.; Fasanella, G.; Favart, L.; Goldouzian, R.; Grebenyuk, A.; Karapostoli, G.; Lenzi, T.; Léonard, A.; Luetic, J.; Maerschalk, T.; Marinov, A.; Randle-conde, A.; Seva, T.; Vander Velde, C.; Vanlaer, P.; Yonamine, R.; Zenoni, F.; Zhang, F.; Cimmino, A.; Cornelis, T.; Dobur, D.; Fagot, A.; Garcia, G.; Gul, M.; Mccartin, J.; Poyraz, D.; Salva, S.; Schöfbeck, R.; Tytgat, M.; Van Driessche, W.; Yazgan, E.; Zaganidis, N.; Beluffi, C.; Bondu, O.; Brochet, S.; Bruno, G.; Caudron, A.; Ceard, L.; De Visscher, S.; Delaere, C.; Delcourt, M.; Forthomme, L.; Francois, B.; Giammanco, A.; Jafari, A.; Jez, P.; Komm, M.; Lemaitre, V.; Magitteri, A.; Mertens, A.; Musich, M.; Nuttens, C.; Piotrzkowski, K.; Quertenmont, L.; Selvaggi, M.; Vidal Marono, M.; Wertz, S.; Beliy, N.; Aldá Júnior, W. L.; Alves, F. L.; Alves, G. A.; Brito, L.; Correa Martins Junior, M.; Hensel, C.; Moraes, A.; Pol, M. E.; Rebello Teles, P.; Belchior Batista Das Chagas, E.; Carvalho, W.; Chinellato, J.; Custódio, A.; Da Costa, E. M.; Da Silveira, G. G.; De Jesus Damiao, D.; De Oliveira Martins, C.; Fonseca De Souza, S.; Huertas Guativa, L. M.; Malbouisson, H.; Matos Figueiredo, D.; Mora Herrera, C.; Mundim, L.; Nogima, H.; Prado Da Silva, W. L.; Santoro, A.; Sznajder, A.; Tonelli Manganote, E. J.; Vilela Pereira, A.; Ahuja, S.; Bernardes, C. A.; Dogra, S.; Fernandez Perez Tomei, T. R.; Gregores, E. M.; Mercadante, P. G.; Moon, C. S.; Novaes, S. F.; Padula, Sandra S.; Romero Abad, D.; Ruiz Vargas, J. C.; Aleksandrov, A.; Hadjiiska, R.; Iaydjiev, P.; Rodozov, M.; Stoykova, S.; Sultanov, G.; Vutova, M.; Dimitrov, A.; Glushkov, I.; Litov, L.; Pavlov, B.; Petkov, P.; Fang, W.; Ahmad, M.; Bian, J. G.; Chen, G. M.; Chen, H. S.; Chen, M.; Chen, Y.; Cheng, T.; Du, R.; Jiang, C. H.; Leggat, D.; Liu, Z.; Romeo, F.; Shaheen, S. M.; Spiezia, A.; Tao, J.; Wang, C.; Wang, Z.; Zhang, H.; Zhao, J.; Asawatangtrakuldee, C.; Ban, Y.; Li, Q.; Liu, S.; Mao, Y.; Qian, S. J.; Wang, D.; Xu, Z.; Avila, C.; Cabrera, A.; Chaparro Sierra, L. F.; Florez, C.; Gomez, J. P.; González Hernández, C. F.; Ruiz Alvarez, J. D.; Sanabria, J. C.; Godinovic, N.; Lelas, D.; Puljak, I.; Ribeiro Cipriano, P. M.; Antunovic, Z.; Kovac, M.; Brigljevic, V.; Ferencek, D.; Kadija, K.; Micanovic, S.; Sudic, L.; Attikis, A.; Mavromanolakis, G.; Mousa, J.; Nicolaou, C.; Ptochos, F.; Razis, P. A.; Rykaczewski, H.; Finger, M.; Finger, M.; Carrera Jarrin, E.; Elgammal, S.; Mohamed, A.; Mohammed, Y.; Salama, E.; Calpas, B.; Kadastik, M.; Murumaa, M.; Perrini, L.; Raidal, M.; Tiko, A.; Veelken, C.; Eerola, P.; Pekkanen, J.; Voutilainen, M.; Härkönen, J.; Karimäki, V.; Kinnunen, R.; Lampén, T.; Lassila-Perini, K.; Lehti, S.; Lindén, T.; Luukka, P.; Peltola, T.; Tuominiemi, J.; Tuovinen, E.; Wendland, L.; Talvitie, J.; Tuuva, T.; Besancon, M.; Couderc, F.; Dejardin, M.; Denegri, D.; Fabbro, B.; Faure, J. L.; Favaro, C.; Ferri, F.; Ganjour, S.; Ghosh, S.; Givernaud, A.; Gras, P.; Hamel de Monchenault, G.; Jarry, P.; Kucher, I.; Locci, E.; Machet, M.; Malcles, J.; Rander, J.; Rosowsky, A.; Titov, M.; Zghiche, A.; Abdulsalam, A.; Antropov, I.; Baffioni, S.; Beaudette, F.; Busson, P.; Cadamuro, L.; Chapon, E.; Charlot, C.; Davignon, O.; Granier de Cassagnac, R.; Jo, M.; Lisniak, S.; Miné, P.; Naranjo, I. N.; Nguyen, M.; Ochando, C.; Ortona, G.; Paganini, P.; Pigard, P.; Regnard, S.; Salerno, R.; Sirois, Y.; Strebler, T.; Yilmaz, Y.; Zabi, A.; Agram, J.-L.; Andrea, J.; Aubin, A.; Bloch, D.; Brom, J.-M.; Buttignol, M.; Chabert, E. C.; Chanon, N.; Collard, C.; Conte, E.; Coubez, X.; Fontaine, J.-C.; Gelé, D.; Goerlach, U.; Le Bihan, A.-C.; Merlin, J. A.; Skovpen, K.; Van Hove, P.; Gadrat, S.; Beauceron, S.; Bernet, C.; Boudoul, G.; Bouvier, E.; Carrillo Montoya, C. A.; Chierici, R.; Contardo, D.; Courbon, B.; Depasse, P.; El Mamouni, H.

    2016-07-01

    A search for narrow resonances decaying into dijet final states is performed on data from proton-proton collisions at a center-of-mass energy of 8 TeV, corresponding to an integrated luminosity of 18.8 fb-1 . The data were collected with the CMS detector using a novel technique called data scouting, in which the information associated with these selected events is much reduced, permitting collection of larger data samples. This technique enables CMS to record events containing jets at a rate of 1 kHz, by collecting the data from the high-level-trigger system. In this way, the sensitivity to low-mass resonances is increased significantly, allowing previously inaccessible couplings of new resonances to quarks and gluons to be probed. The resulting dijet mass distribution yields no evidence of narrow resonances. Upper limits are presented on the resonance cross sections as a function of mass, and compared with a variety of models predicting narrow resonances. The limits are translated into upper limits on the coupling of a leptophobic resonance ZB' to quarks, improving on the results obtained by previous experiments for the mass range from 500 to 800 GeV.

  15. Search for narrow resonances in dijet final states at $$\\sqrt s=$$ 8 TeV with the novel CMS technique of data scouting

    DOE PAGES

    Khachatryan, Vardan

    2016-07-14

    A search for narrow resonances decaying into dijet final states is performed on data from proton-proton collisions at a center-of-mass energy of 8 TeV, corresponding to an integrated luminosity of 18.8 fb-1. The data were collected with the CMS detector using a novel technique called data scouting, in which the information associated with these selected events is much reduced, permitting collection of larger data samples. This technique enables CMS to record events containing jets at a rate of 1 kHz, by collecting the data from the high-level-trigger system. In this way, the sensitivity to low-mass resonances is increased significantly, allowing previously inaccessiblemore » couplings of new resonances to quarks and gluons to be probed. The resulting dijet mass distribution yields no evidence of narrow resonances. Upper limits are presented on the resonance cross sections as a function of mass, and compared with a variety of models predicting narrow resonances. Furthermore, the limits are translated into upper limits on the coupling of a leptophobic resonance Z'B to quarks, improving on the results obtained by previous experiments for the mass range from 500 to 800 GeV.« less

  16. On the sublimation of ice particles on the surface of Mars; with applications to the 2007/8 Phoenix Scout mission

    NASA Astrophysics Data System (ADS)

    Taylor, Peter A.; Baibakov, Konstantin; Brown, Stephen; Hecht, Michael H.; Hudson, Troy L.; Li, P.-Y.; Lange, Carlos F.; Prieto, Luis; Savelyev, Sergiy

    2006-04-01

    Experimental studies related to the sublimation of ice, in bulk or as small particles, alone or mixed with dust similar to that expected on the surface of Mars, are reported. The experiments, a cloud physics particle sublimation model, and a convection model presented by Ingersoll, all indicate a strong dependence of sublimation rate on temperature, and this appears to be the dominant factor, assuming that the relative humidity of the air is fairly low. In addition the rate of loss of water vapour appears to depend primarily on exposed surface area and less on particle size and the total mass of the sample, or the mass of ice in the sample. The 2007/8 Phoenix Scout mission plans to obtain and analyse samples of sub-surface ice from about 70° N on Mars. A concern is that these samples, in the form of ice chips of size about 1 mm diameter, could be prone to sublimation when exposed for prolonged periods (many hours) to a relatively warm and dry atmosphere. Our laboratory simulations confirm that this could be a problem if particles are simply left lying on the surface, but also indicate that samples kept suitably cold and collected together in confined piles will survive long enough for the collection and delivery (to the analysis instruments) procedure to be completed.

  17. RED2TEX: A TRIX RED to LATEX converter

    SciTech Connect

    Chase, L.; Langdon, A.B.

    1987-05-20

    A summary of RED2TEX is presented. RED2TEX converts standard TRIX RED format commands to TEX or LATEX commands for subsequent LATEX formatting. LATEX is a special version of the TEX document preparation system. LATEX adds to TEX a collection of commands that simplifies formatting. LATEX runs on the J-Vax and the LLL-LCC Pyramid machines. RED2TEX resides in Unix directory CHASE/TEX.

  18. Red Yeast Rice: An Introduction

    MedlinePlus

    ... help lower blood levels of cholesterol and related lipids. Red yeast rice products may not be safe; ... to lower blood levels of cholesterol and related lipids. Some red yeast rice products contain substances called ...

  19. Registration of 'Red Ruby' Wheat

    USDA-ARS?s Scientific Manuscript database

    Red Ruby’ soft red winter wheat (Triticum aestivum L.) was developed by the Michigan Agricultural Experiment Station and released in 2007 via an exclusive licensing agreement through Michigan State University (MSU) Technologies. Red Ruby was selected from the cross Pioneer ‘2552’/Pioneer ‘2737W’ ma...

  20. Red Lake Forestry Greenhouse Program

    Treesearch

    Gloria Whitefeather-Spears

    2002-01-01

    In 1916, The Red Lake Indian Forest Act was created. The Red Lake Band of Chippewa in Minnesota stood alone and refused to consent to allotment. Consequently, The Red Lake Band is the only tribe in Minnesota for which a congressional act was passed to secure a permanent economic foundation for the band and its future.

  1. Red alder potential in Alaska

    Treesearch

    Allen Brackley; David Nicholls; Mike Hannan

    2010-01-01

    Over the past several decades, red alder has established itself as a commercially important species in the Pacific Northwest. Once considered a weed species, red alder now commands respect within many markets, including furniture, architectural millwork, and other secondary manufactured products. Although red alder's natural range extends to southeast Alaska, an...

  2. The great red flashlight

    NASA Astrophysics Data System (ADS)

    Halbach, Edward A.

    After fifty years of fighting with flashlights which persisted in rolling to the ground, being mislaid, or stashed in a pocket, the author designed a unit which was always on hand and needed no search for the switch. A normally closed switch, internal to the bottom of the flashlight case, is opened by the weight of the unit suspended on a cord about the neck. Lifting the unit with two fingers turns on the red light, while releasing the unit automatically turns it off. A felt covering around the flashlight provides comfort on cold nights. Because this red light would be a welcome tool for other variable star observers, more units were assembled and brought to the AAVSO meeting in Houston for distribution to observers who agreed to give each unit a workout and report on its performance. The author is waiting to hear from these observers.

  3. Great Red Spot (GRS)

    NASA Astrophysics Data System (ADS)

    Murdin, P.

    2000-11-01

    A huge permanent anticyclone in Jupiter's southern hemisphere, visible as a reddish oval at just over 20 °S. The earliest unequivocal observation was by Heinrich Schwabe in 1831 (the often-quoted sighting by Robert Hooke in 1664 now seems to have been of a similar but different spot). The GRS became a striking feature around 1880, when it developed a deep red coloration. It was also prominent in ...

  4. Red Oak Borer

    Treesearch

    D. E. Donley; R.E. Acciavatti

    1980-01-01

    The red oak borer, Enaphalodes rufulus (Haldeman)3, is an important member of the oak borer complex that permanently damages the wood of living oak trees and causes a decrease in lumber grade. The loss in grade can amount to 40 percent of the current tree value, which, at today's prices, is about $80 per thousand board feet for factory grade lumber in terms of...

  5. Estimation of the microphysical aerosol properties over Thessaloniki, Greece, during the SCOUT-O3 campaign with the synergy of Raman lidar and Sun photometer data

    NASA Astrophysics Data System (ADS)

    Balis, D.; Giannakaki, E.; Müller, D.; Amiridis, V.; Kelektsoglou, K.; Rapsomanikis, S.; Bais, A.

    2010-04-01

    An experimental campaign was held at Thessaloniki, Greece (40.6°N, 22.9°E), in July 2006, in the framework of the integrated project Stratosphere-Climate Links with Emphasis on the Upper Troposphere and Lower Stratosphere (SCOUT-O3). One of the main objectives of the campaign was to determine the local aerosol properties and their impact on the UV irradiance at the Earth's surface. In this article, we present vertically resolved microphysical aerosol properties retrieved from the inversion of optical data that were obtained from a combined one-wavelength Raman/two-wavelength backscatter lidar system and a CIMEL Sun photometer. A number of assumptions were undertaken to overcome the limitations of the existing optical input data needed for the retrieval of microphysical properties. We found acceptable agreement with Aerosol Robotic Network retrievals for the fine-mode particle effective radius, which ranged between 0.11 and 0.19 for the campaign period. It is shown that under complex layering of the aerosols, general assumptions may result in unrealistic retrievals, especially in the presence of aged smoke aerosols. Furthermore, with this instrument setup, the inversion algorithm can also be applied successfully for the complex refractive index in cases of vertically homogeneous layers of continental polluted aerosols. For these inversion cases, the vertically resolved retrievals for the single-scattering albedo resulted in values around 0.9 at 532 nm, which were in very good agreement with estimates from airborne in situ observations obtained in the vicinity of the lidar site.

  6. Estimation of gadolinium-induced T1-shortening with measurement of simple signal intensity ratio between the cochlea and brain parenchyma on 3D-FLAIR: correlation with T1 measurement by TI scout sequence.

    PubMed

    Naganawa, Shinji; Ishihara, Shunichi; Iwano, Shingo; Kawai, Hisashi; Sone, Michihiko; Nakashima, Tsutomu

    2010-01-01

    T(1)-shortening of labyrinthine fluid on 3-dimensional fluid-attenuated inversion recovery (3D-FLAIR) has been reported in many inner ear disorders. Although semi-quantitative assessment by simple signal intensity ratio between cochlear fluid and brain tissue has been tried, its feasibility using a multi-channel phased-array head coil with an inherently inhomogenous sensitivity distribution has not been fully evaluated. We evaluated the feasibility of measuring simple signal intensity ratio by correlating rapid T(1) measurements using an inversion time (TI) scout sequence. We evaluated 10 patients with Meniere's disease and 4 patients with sudden deafness. Nine of the patients with Meniere's disease received a unilateral intratympanic injection of Gd-DTPA; the tenth patient received bilateral injections. The 4 patients with sudden deafness received a double-dose intravenous injection. Magnetic resonance (MR) images were obtained 24 hours after intratympanic injections and 4 hours after intravenous injections at 3 tesla using a 32-channel head coil. We measured the ratio (CM ratio) between the signal intensity of the perilymph in the cochlea (C) and that of the medulla oblongata (M) and correlated it with the null-point inversion time (TI(null)) obtained with the TI scout sequence. The TI scout consisted of 85 images obtained with TI values between 132.5 and 3087.5 ms at increments of 37.5 ms. The correlation coefficient between TI(null) and the natural logarithm of the CM ratio was -0.88 (P<0.01). There was significant negative linear correlation. Measurement of the simple signal intensity ratio between the cochlea and the medulla can be used for semi-quantitative analysis of 3D-FLAIR. The results of this study may facilitate clinical research of inner-ear disease using 3D-FLAIR.

  7. Red Spot Movie

    NASA Technical Reports Server (NTRS)

    2000-01-01

    This brief movie shows counterclockwise atmospheric motion around Jupiter's Great Red Spot. The clip was made from blue-filter images taken with the narrow-angle camera on NASA's Cassini spacecraft during seven separate rotations of Jupiter between Oct. 1 and Oct. 5, 2000.

    The clip also shows the eastward and westward motion of the zonal jets, seen as the horizontal stripes flowing in opposite directions. The zonal jets circle the planet. As far as can be determined from both Earth-based and spacecraft measurements, the positions and speeds of the jets have not changed for 100 years. Since Jupiter is a fluid planet without a solid boundary, the jet speeds are measured relative to Jupiter's magnetic field, which rotates, wobbling like a top because of its tilt, every 9 hours 55.5 minutes. The movie shows motions in the magnetic reference frame, so winds to the west correspond to features that are rotating a little slower than the magnetic field, and eastward winds correspond to features rotating a little faster.

    Because the Red Spot is in the southern hemisphere, the direction of motion indicates it is a high-pressure center. Small bright clouds appear suddenly to the west of the Great Red Spot. Scientists suspect these small white features are lightning storms. The storms eventually merge with the Red Spot and surrounding jets, and may be the main energy source for the large-scale features.

    The smallest features in the movie are about 500 kilometers (about 300 miles) across. The spacing of the movie frames in time is not uniform; some consecutive images are separated by two Jupiter rotations, and some by one. The images have been re-projected using a simple cylindrical map projection. They show an area from 50 degrees north of Jupiter's equator to 50 degrees south, extending 100 degrees east-west, about one quarter of Jupiter's circumference.

    Cassini is a cooperative project of NASA, the European Space Agency and the Italian Space Agency. The Jet

  8. Red Arcs on Tethys

    NASA Image and Video Library

    2015-07-29

    Unusual arc-shaped, reddish streaks cut across the surface of Saturn's ice-rich moon Tethys in this enhanced-color mosaic. The red streaks are narrow, curved lines on the moon's surface, only a few miles (or kilometers) wide but several hundred miles (or kilometers) long. The red streaks are among the most unusual color features on Saturn's moons to be revealed by Cassini's cameras. A few of the red arcs can be faintly seen in Cassini imaging observations made earlier in the mission, but the color images for this observation, which were obtained in April 2015, were the first to show large northern areas of Tethys under the illumination and viewing conditions necessary to see the features clearly. As the Saturn system moved into its northern hemisphere summer over the past few years, northern latitudes have become increasingly well illuminated. As a result, the red arc features have become clearly visible for the first time. The origin of the features and their reddish color is currently a mystery to Cassini scientists. Possibilities being studied include ideas that the reddish material is exposed ice with chemical impurities, or the result of outgassing from inside Tethys. The streaks could also be associated with features like fractures that are below the resolution of the available images. Except for a few small craters on Dione, reddish tinted features are rare on other moons of Saturn. However, many reddish features are observed on the geologically young surface of Jupiter's moon Europa. Images taken using clear, green, infrared and ultraviolet spectral filters were combined to create the view, which highlights subtle color differences across Tethys' surface at wavelengths not visible to human eyes. The moon's surface is fairly uniform in natural color. The yellowish tones on the left side of the view are a result of alteration of the moon's surface by high-energy particles from Saturn's magnetosphere. This particle radiation slams into the moon's trailing

  9. Red Spot Movie

    NASA Technical Reports Server (NTRS)

    2000-01-01

    This brief movie shows counterclockwise atmospheric motion around Jupiter's Great Red Spot. The clip was made from blue-filter images taken with the narrow-angle camera on NASA's Cassini spacecraft during seven separate rotations of Jupiter between Oct. 1 and Oct. 5, 2000.

    The clip also shows the eastward and westward motion of the zonal jets, seen as the horizontal stripes flowing in opposite directions. The zonal jets circle the planet. As far as can be determined from both Earth-based and spacecraft measurements, the positions and speeds of the jets have not changed for 100 years. Since Jupiter is a fluid planet without a solid boundary, the jet speeds are measured relative to Jupiter's magnetic field, which rotates, wobbling like a top because of its tilt, every 9 hours 55.5 minutes. The movie shows motions in the magnetic reference frame, so winds to the west correspond to features that are rotating a little slower than the magnetic field, and eastward winds correspond to features rotating a little faster.

    Because the Red Spot is in the southern hemisphere, the direction of motion indicates it is a high-pressure center. Small bright clouds appear suddenly to the west of the Great Red Spot. Scientists suspect these small white features are lightning storms. The storms eventually merge with the Red Spot and surrounding jets, and may be the main energy source for the large-scale features.

    The smallest features in the movie are about 500 kilometers (about 300 miles) across. The spacing of the movie frames in time is not uniform; some consecutive images are separated by two Jupiter rotations, and some by one. The images have been re-projected using a simple cylindrical map projection. They show an area from 50 degrees north of Jupiter's equator to 50 degrees south, extending 100 degrees east-west, about one quarter of Jupiter's circumference.

    Cassini is a cooperative project of NASA, the European Space Agency and the Italian Space Agency. The Jet

  10. The red ear syndrome

    PubMed Central

    2013-01-01

    Red Ear Syndrome (RES) is a very rare disorder, with approximately 100 published cases in the medical literature. Red ear (RE) episodes are characterised by unilateral or bilateral attacks of paroxysmal burning sensations and reddening of the external ear. The duration of these episodes ranges from a few seconds to several hours. The attacks occur with a frequency ranging from several a day to a few per year. Episodes can occur spontaneously or be triggered, most frequently by rubbing or touching the ear, heat or cold, chewing, brushing of the hair, neck movements or exertion. Early-onset idiopathic RES seems to be associated with migraine, whereas late-onset idiopathic forms have been reported in association with trigeminal autonomic cephalalgias (TACs). Secondary forms of RES occur with upper cervical spine disorders or temporo-mandibular joint dysfunction. RES is regarded refractory to medical treatments, although some migraine preventative treatments have shown moderate benefit mainly in patients with migraine-related attacks. The pathophysiology of RES is still unclear but several hypotheses involving peripheral or central nervous system mechanisms have been proposed. PMID:24093332

  11. Red Teaming Agility (Briefing Charts)

    DTIC Science & Technology

    2014-06-01

    Red Teaming ” Agility Dr. Kira Hutchinson TRADOC G2 Forward Report Documentation Page Form ApprovedOMB No. 0704-0188 Public reporting burden for...SUBTITLE ’ Red Teaming ’ Agilty 5a. CONTRACT NUMBER 5b. GRANT NUMBER 5c. PROGRAM ELEMENT NUMBER 6. AUTHOR(S) 5d. PROJECT NUMBER 5e. TASK NUMBER 5f...18 Innovation Bottom Line Up Front Challenge Analysis The nexus of red teaming and experimentation in the context of the future operational

  12. Food-Induced Red Eye.

    PubMed

    Rodgin, Susan G

    2017-07-01

    This article addresses the etiology of red eyes and a novel case of food-induced red eye. An 82-year-old white male patient reported 50 years of episodes of severe unilateral bulbar injection in either eye following ingestion of certain foods. Thinned scleras in this particular patient made the injection in his eyes more observable. Photodocumentation of this reaction after he ingested these foods is shown. It is hypothesized that this is a new explanation for an intermittent, unilateral, self-limited red eye-a food-induced red eye.

  13. International red meat trade.

    PubMed

    Brester, Gary W; Marsh, John M; Plain, Ronald L

    2003-07-01

    The maturation of the US beef and pork markets and increasing consumer demands for convenience, safety, and nutrition suggests that the beef and pork industries must focus on product development and promotion. New marketing arrangements are developing that help coordinate production with consumer demands. The relative high levels of incomes in the United States are likely to increase the demands for branded products rather than increase total per capita consumption. Foreign markets represent the greatest opportunity for increased demand for commodity beef and pork products. Increasing incomes in developing countries will likely allow consumers to increase consumption of animal-source proteins. Real prices of beef and pork have declined substantially because of sagging domestic demand and increasing farm-level production technologies. Increasing US beef and pork exports have obviated some of the price declines. Pork attained a net export position from a quantity perspective in 1995. The United States continues to be a net importer of beef on a quantity basis but is close to becoming a net exporter in terms of value. By-products continue to play a critical role in determining the red meat trade balance and producer prices. The United States, however, must continue to become cost, price, and quality competitive with other suppliers and must secure additional market access if it is to sustain recent trade trends. Several trade tensions remain in the red meat industry. For example, mandated COOL will undoubtedly have domestic and international effects on the beef and pork sectors. Domestically, uncertainty regarding consumer demand responses or quality perceptions regarding product origin, as well as added processor-retailer costs will be nontrivial. How these factors balance out in terms of benefits versus costs to the industry is uncertain. From an international perspective, some beef and pork export suppliers to the United States could view required labeling as a

  14. Fade to Red

    NASA Technical Reports Server (NTRS)

    2006-01-01

    [figure removed for brevity, see original site] Infrared Andromeda Galaxy (M31) Poster [figure removed for brevity, see original site] [figure removed for brevity, see original site] Stars Dust

    This animation shows the Andromeda galaxy, first as seen in visible light by the National Optical Astronomy Observatory, then as seen in infrared by NASA's Spitzer Space Telescope.

    The visible-light image highlights the galaxy's population of about one trillion stars. The stars are so crammed into its core that this region blazes with bright starlight.

    In contrast, the false-colored Spitzer view reveals red waves of dust against a more tranquil sea of blue stars. The dust lanes can be seen twirling all the way into the galaxy's center. This dust is warmed by young stars and shines at infrared wavelengths , which are represented in red. The blue color signifies shorter-wavelength infrared light primarily from older stars.

    The Andromeda galaxy, also known affectionately by astronomers as Messier 31, is located 2.5 million light-years away in the constellation Andromeda. It is the closest major galaxy to the Milky Way, making it the ideal specimen for carefully examining the nature of galaxies. On a clear, dark night, the galaxy can be spotted with the naked eye as a fuzzy blob.

    Andromeda's entire disk spans about 260,000 light-years, which means that a light beam would take 260,000 years to travel from one end of the galaxy to the other. By comparison, the Milky Way is about 100,000 light-years across. When viewed from Earth, Andromeda occupies a portion of the sky equivalent to seven full moons.

    Because this galaxy is so large, the infrared images had to be stitched together out of about 3,000 separate Spitzer exposures. The light detected by Spitzer's infrared array camera at 3.6 and 4.5 microns is sensitive mostly to starlight and is shown in blue and green, respectively. The 8-micron light shows warm dust and is shown in red. The

  15. Fade to Red

    NASA Technical Reports Server (NTRS)

    2006-01-01

    [figure removed for brevity, see original site] Infrared Andromeda Galaxy (M31) Poster [figure removed for brevity, see original site] [figure removed for brevity, see original site] Stars Dust

    This animation shows the Andromeda galaxy, first as seen in visible light by the National Optical Astronomy Observatory, then as seen in infrared by NASA's Spitzer Space Telescope.

    The visible-light image highlights the galaxy's population of about one trillion stars. The stars are so crammed into its core that this region blazes with bright starlight.

    In contrast, the false-colored Spitzer view reveals red waves of dust against a more tranquil sea of blue stars. The dust lanes can be seen twirling all the way into the galaxy's center. This dust is warmed by young stars and shines at infrared wavelengths , which are represented in red. The blue color signifies shorter-wavelength infrared light primarily from older stars.

    The Andromeda galaxy, also known affectionately by astronomers as Messier 31, is located 2.5 million light-years away in the constellation Andromeda. It is the closest major galaxy to the Milky Way, making it the ideal specimen for carefully examining the nature of galaxies. On a clear, dark night, the galaxy can be spotted with the naked eye as a fuzzy blob.

    Andromeda's entire disk spans about 260,000 light-years, which means that a light beam would take 260,000 years to travel from one end of the galaxy to the other. By comparison, the Milky Way is about 100,000 light-years across. When viewed from Earth, Andromeda occupies a portion of the sky equivalent to seven full moons.

    Because this galaxy is so large, the infrared images had to be stitched together out of about 3,000 separate Spitzer exposures. The light detected by Spitzer's infrared array camera at 3.6 and 4.5 microns is sensitive mostly to starlight and is shown in blue and green, respectively. The 8-micron light shows warm dust and is shown in red. The

  16. Red Alert: diagnosis and management of the acute red eye.

    PubMed

    Welch, J F; Dickie, A K

    2014-01-01

    The acute red eye represents a broad spectrum of disease encompassing benign self-limiting conditions to potentially vision-threatening ophthalmic or system disease. This article will review clinical principles essential for the diagnosis and treatment of red eye relevant to all Armed Forces primary care and emergency medicine practitioners.

  17. Red microchip VECSEL array.

    PubMed

    Hastie, Jennifer; Morton, Lynne; Calvez, Stephane; Dawson, Martin; Leinonen, Tomi; Pessa, Markus; Gibson, Graham; Padgett, Miles

    2005-09-05

    We report an InGaP/AlInGaP/GaAs microchip vertical-external-cavity surface emitting laser operating directly at red wavelengths and demonstrate its potential for array-format operation. Optical pumping with up to 3.3W at 532nm produced a maximum output power of 330mW at 675nm, in a single circularly-symmetric beam with M2<2. Simultaneous pumping with three separate input beams, generated using a diffractive optical element, achieved lasing from three discrete areas of the same chip. Output power of ~95mW per beam was obtained from this 3x1 array, each beam having a Gaussian intensity profile with M2<1.2. In a further development, a spatial light modulator allowed computer control over the orientation and separation of the pump beams, and hence dynamic control over the configuration of the VECSEL array.

  18. Jupiter Red 'Monet'

    NASA Image and Video Library

    2017-08-30

    Citizen scientist David Englund created this avant-garde Jovian artwork using data from the JunoCam imager on NASA's Juno spacecraft. The unique interpretation of Jupiter's Great Red Spot was done in a style that pays tribute to French Impressionist painter Claude Monet. The original image was taken on July 10, 2017 at 7:12 p.m. PDT (10:12 p.m. EDT), as the Juno spacecraft performed its 7th close flyby of Jupiter. At the time the image was taken, the spacecraft was 10,274 miles (16,535 kilometers) from the tops of the clouds of the planet, at a latitude of -36.9 degrees. https://photojournal.jpl.nasa.gov/catalog/PIA21779

  19. Epidemiology of Injuries Identified at the NFL Scouting Combine and Their Impact on Performance in the National Football League: Evaluation of 2203 Athletes From 2009 to 2015

    PubMed Central

    Beaulieu-Jones, Brendin R.; Rossy, William H.; Sanchez, George; Whalen, James M.; Lavery, Kyle P.; McHale, Kevin J.; Vopat, Bryan G.; Van Allen, Joseph J.; Akamefula, Ramesses A.; Provencher, Matthew T.

    2017-01-01

    Background: At the annual National Football League (NFL) Scouting Combine, the medical staff of each NFL franchise performs a comprehensive medical evaluation of all athletes potentially entering the NFL. Currently, little is known regarding the overall epidemiology of injuries identified at the combine and their impact on NFL performance. Purpose: To determine the epidemiology of injuries identified at the combine and their impact on initial NFL performance. Study Design: Cohort study; Level of evidence, 3. Methods: All previous musculoskeletal injuries identified at the NFL Combine from 2009 to 2015 were retrospectively reviewed. Medical records and imaging reports were examined. Game statistics for the first 2 seasons of NFL play were obtained for all players from 2009 to 2013. Analysis of injury prevalence and overall impact on the draft status and position-specific performance metrics of each injury was performed and compared with a position-matched control group with no history of injury or surgery. Results: A total of 2203 athletes over 7 years were evaluated, including 1490 (67.6%) drafted athletes and 1040 (47.2%) who ultimately played at least 2 years in the NFL. The most common sites of injury were the ankle (1160, 52.7%), shoulder (1143, 51.9%), knee (1128, 51.2%), spine (785, 35.6%), and hand (739, 33.5%). Odds ratios (ORs) demonstrated that quarterbacks were most at risk of shoulder injury (OR, 2.78; P = .001), while running backs most commonly sustained ankle (OR, 1.39; P = .040) and shoulder injuries (OR, 1.55; P = .020) when compared with all other players. Ultimately, defensive players demonstrated a greater negative impact due to injury than offensive players, with multiple performance metrics significantly affected for each defensive position analyzed, whereas skilled offensive players (eg, quarterbacks, running backs) demonstrated only 1 metric significantly affected at each position. Conclusion: The most common sites of injury identified at

  20. Combustion of Organic Molecules by the Thermal Decomposition of Perchlorate Salts: Implications for Organics at the Mars Phoenix Scout Landing Site

    NASA Technical Reports Server (NTRS)

    Ming, D.W.; Morris, R.V.; Niles, B.; Lauer, H.V.; Archer, P.D.; Sutter, B.; Boynton, W.V.; Golden, D.C.

    2009-01-01

    The Mars 2007 Phoenix Scout Mission successfully landed on May 25, 2008 and operated on the northern plains of Mars for 150 sols. The primary mission objective was to study the history of water and evaluate the potential for past and present habitability in Martian arctic ice-rich soil [1]. Phoenix landed near 68 N latitude on polygonal terrain created by ice layers that are a few centimeters under loose soil materials. The Phoenix Mission is assessing the potential for habitability by searching for organic molecules in the ice or icy soils at the landing site. Organic molecules are necessary building blocks for life, although their presence in the ice or soil does not indicate life itself. Phoenix searched for organic molecules by heating soil/ice samples in the Thermal and Evolved-Gas Analyzer (TEGA, [2]). TEGA consists of 8 differential scanning calorimeter (DSC) ovens integrated with a magnetic-sector mass spectrometer with a mass range of 2-140 daltons [2]. Endothermic and exothermic reactions are recorded by the TEGA DSC as samples are heated from ambient to 1000 C. Evolved gases, including any organic molecules and their fragments, are simultaneously measured by the mass spectrometer during heating. Phoenix TEGA data are still under analysis; however, no organic fragments have been identified to date in the evolved gas analysis (EGA). The MECA Wet Chemistry Lab (WCL) discovered a perchlorate salt in the Phoenix soils and a mass 32 peak evolved between 325 and 625 C for one surface sample dubbed Baby Bear [3]. The mass 32 peak is attributed to evolved O2 generated during the thermal decomposition of the perchlorate salt. Perchlorates are very strong oxidizers when heated, so it is possible that organic fragments evolved in the temperature range of 300-600 C were combusted by the O2 released during the thermal decomposition of the perchlorate salt. The byproduct of the combustion of organic molecules is CO2. There is a prominent release of CO2 between 200

  1. Epidemiology of Injuries Identified at the NFL Scouting Combine and Their Impact on Performance in the National Football League: Evaluation of 2203 Athletes From 2009 to 2015.

    PubMed

    Beaulieu-Jones, Brendin R; Rossy, William H; Sanchez, George; Whalen, James M; Lavery, Kyle P; McHale, Kevin J; Vopat, Bryan G; Van Allen, Joseph J; Akamefula, Ramesses A; Provencher, Matthew T

    2017-07-01

    At the annual National Football League (NFL) Scouting Combine, the medical staff of each NFL franchise performs a comprehensive medical evaluation of all athletes potentially entering the NFL. Currently, little is known regarding the overall epidemiology of injuries identified at the combine and their impact on NFL performance. To determine the epidemiology of injuries identified at the combine and their impact on initial NFL performance. Cohort study; Level of evidence, 3. All previous musculoskeletal injuries identified at the NFL Combine from 2009 to 2015 were retrospectively reviewed. Medical records and imaging reports were examined. Game statistics for the first 2 seasons of NFL play were obtained for all players from 2009 to 2013. Analysis of injury prevalence and overall impact on the draft status and position-specific performance metrics of each injury was performed and compared with a position-matched control group with no history of injury or surgery. A total of 2203 athletes over 7 years were evaluated, including 1490 (67.6%) drafted athletes and 1040 (47.2%) who ultimately played at least 2 years in the NFL. The most common sites of injury were the ankle (1160, 52.7%), shoulder (1143, 51.9%), knee (1128, 51.2%), spine (785, 35.6%), and hand (739, 33.5%). Odds ratios (ORs) demonstrated that quarterbacks were most at risk of shoulder injury (OR, 2.78; P = .001), while running backs most commonly sustained ankle (OR, 1.39; P = .040) and shoulder injuries (OR, 1.55; P = .020) when compared with all other players. Ultimately, defensive players demonstrated a greater negative impact due to injury than offensive players, with multiple performance metrics significantly affected for each defensive position analyzed, whereas skilled offensive players (eg, quarterbacks, running backs) demonstrated only 1 metric significantly affected at each position. The most common sites of injury identified at the combine were (1) ankle, (2) shoulder, (3) knee, (4) spine, and

  2. Volume tables for red alder.

    Treesearch

    Floyd A. Johnson; R. M. Kallander; Paul G. Lauterbach

    1949-01-01

    The increasing importance of red alder as a commercial species in the Pacific Northwest has prompted the three agencies listed above to pool their tree measurement data for the construction of standard regional red alder volume tables. The tables included here were based on trees from a variety of sites and form classes. Approximately one quarter of the total number of...

  3. Skeleton decay in red cedar

    Treesearch

    Kevin T. Smith; Jessie A. Glaeser

    2013-01-01

    Eastern red cedar (Juniperus virginiana) is a common tree species throughout the eastern United States and the Great Plains. Although “cedar” is in the common name, the scientifc name shows a botanical kinship to the juniper species of the American southwest. Red cedar can survive and thrive within a broad range of soil conditions, seasonal...

  4. Oxygen delivery from red cells.

    PubMed Central

    Clark, A; Federspiel, W J; Clark, P A; Cokelet, G R

    1985-01-01

    This paper deals with the theoretical analysis of the unloading of oxygen from a red cell. A scale analysis of the governing transport equations shows that the solutions have a boundary layer structure near the red-cell membrane. The boundary layer is a region of chemical nonequilibrium, and it owes its existence to the fact that the kinetic time scales are shorter than the diffusion time scales in the red cell. The presence of the boundary layer allows an analytical solution to be obtained by the method of matched asymptotic expansions. A very useful result from the analysis is a simple, lumped-parameter description of the oxygen delivery from a red cell. The accuracy of the lumped-parameter description has been verified by comparing its predictions with results obtained by numerical integration of the full equations for a one-dimensional slab. As an application, we calculate minimum oxygen unloading times for red cells. PMID:3978198

  5. Polysaccharides of the red algae.

    PubMed

    Usov, Anatolii I

    2011-01-01

    Red algae (Rhodophyta) are known as the source of unique sulfated galactans, such as agar, agarose, and carrageenans. The wide practical uses of these polysaccharides are based on their ability to form strong gels in aqueous solutions. Gelling polysaccharides usually have molecules built up of repeating disaccharide units with a regular distribution of sulfate groups, but most of the red algal species contain more complex galactans devoid of gelling ability because of various deviations from the regular structure. Moreover, several red algae may contain sulfated mannans or neutral xylans instead of sulfated galactans as the main structural polysaccharides. This chapter is devoted to a description of the structural diversity of polysaccharides found in the red algae, with special emphasis on the methods of structural analysis of sulfated galactans. In addition to the structural information, some data on the possible use of red algal polysaccharides as biologically active polymers or as taxonomic markers are briefly discussed.

  6. Red Marks the Spot

    NASA Technical Reports Server (NTRS)

    2004-01-01

    This hematite abundance index map helps geologists choose hematite-rich locations to visit around Opportunity's landing site. Blue dots equal areas low in hematite and red dots equal areas high in hematite.

    Why Hematite Geologists are eager to reach the hematite-rich area in the upper left to closely examine the soil, which may reveal secrets about how the hematite got to this location. Knowing how the hematite on Mars was formed may help scientists characterize the past environment and determine whether that environment provided favorable conditions for life.

    The Plan Over the next few sols, engineers and scientists plan to drive Opportunity to the hematite-rich area then attempt a 'pre-trench' sequence, taking measurements with the Moessbauer spectrometer, alpha particle X-ray spectrometer and microscopic imager. Next, the plan is to trench the hematite rich area by spinning one wheel in place to 'dig' a shallow hole. Finally, scientists will aim the instrument arm back at the same area where it pre-trenched to get post-trench data with the same instruments to compare and contrast the levels of hematite and revel how deep the hematite lays in the dirt.

    Index Map Details The hematite abundance index map was created using data from the miniature thermal emission instrument. The first layer is a mosaic of panoramic camera images taken prior to egress, when Opportunity was still on the lander. The colored dots represent data collected by the miniature thermal emission spectrometer on sol 11, after Opportunity had rolled off of the lander and the rover was located at the center of the blue semi-circle.

    The spectrometer is located on the panoramic camera mast. On sol 11, it took a low-angle 180-degree panorama of the area in front of the rover, indicated by the blue shaded dots. The instrument then raised the angle of its field of view a few degrees higher to sweep around behind the rover, indicated by the red and yellow dots offset at the far sides of the

  7. Red Marks the Spot

    NASA Technical Reports Server (NTRS)

    2004-01-01

    This hematite abundance index map helps geologists choose hematite-rich locations to visit around Opportunity's landing site. Blue dots equal areas low in hematite and red dots equal areas high in hematite.

    Why Hematite Geologists are eager to reach the hematite-rich area in the upper left to closely examine the soil, which may reveal secrets about how the hematite got to this location. Knowing how the hematite on Mars was formed may help scientists characterize the past environment and determine whether that environment provided favorable conditions for life.

    The Plan Over the next few sols, engineers and scientists plan to drive Opportunity to the hematite-rich area then attempt a 'pre-trench' sequence, taking measurements with the Moessbauer spectrometer, alpha particle X-ray spectrometer and microscopic imager. Next, the plan is to trench the hematite rich area by spinning one wheel in place to 'dig' a shallow hole. Finally, scientists will aim the instrument arm back at the same area where it pre-trenched to get post-trench data with the same instruments to compare and contrast the levels of hematite and revel how deep the hematite lays in the dirt.

    Index Map Details The hematite abundance index map was created using data from the miniature thermal emission instrument. The first layer is a mosaic of panoramic camera images taken prior to egress, when Opportunity was still on the lander. The colored dots represent data collected by the miniature thermal emission spectrometer on sol 11, after Opportunity had rolled off of the lander and the rover was located at the center of the blue semi-circle.

    The spectrometer is located on the panoramic camera mast. On sol 11, it took a low-angle 180-degree panorama of the area in front of the rover, indicated by the blue shaded dots. The instrument then raised the angle of its field of view a few degrees higher to sweep around behind the rover, indicated by the red and yellow dots offset at the far sides of the

  8. Public Library YA Program Roundup: Murder, We Wrote...and Played [and] Asleep in the Library: Girl Scouts Earn "From Dreams to Reality" Patch [and] Sign Language Funshop [and] Science Fair Help Day [and] A Skyomish Fairy Tale [and] The POW! Project: Picturing Our World! Teens Create Art and Self-Esteem at the Boston Public Library.

    ERIC Educational Resources Information Center

    Goldsmith, Francisca; Seblonka, Cathy Sullivan; Wagner, Joyce; Smith, Tammy; Sipos, Caryn; Bodart, Joni Richards

    1998-01-01

    Includes six articles that describe public library programs for teens. Highlights include interactive murder mysteries; a girl scout sleepover program on career awareness; sign language workshop; a Science Fair help day that included guest speakers; a unit on fairy tales and legends; and a project to enhance creativity and self-esteem. (LRW)

  9. Red blood cells, multiple sickle cells (image)

    MedlinePlus

    Sickle cell anemia is an inherited disorder in which abnormal hemoglobin (the red pigment inside red blood cells) is produced. The abnormal hemoglobin causes red blood cells to assume a sickle shape, like the ones seen in this photomicrograph.

  10. Red Yeast Rice

    PubMed Central

    Nguyen, Thu; Karl, Mitchell; Santini, Antonello

    2017-01-01

    Red yeast rice (RYR), produced by the fermentation of the Monascus purpureus mold, has been used for a long time in Asian cuisine and traditional medicine. It consists of multiple bioactive substances, including monacolins, which potentially can be used as a nutraceutical. Monacolin K, which is chemically identical to lovastatin, has been recognized as responsible for the cholesterol-reducing effect of this compound. While the European Food Safety Authority maintains that the use of monacolin K from RYR preparations of at least 10 mg can produce a normal blood cholesterol level, the United States Food and Drug Administration considers monacolin K, due to its similarity with lovastatin, an unapproved drug, and therefore marketing of products that label the monacolin content is prohibited. This mini-review summarizes the benefit of RYR in hyperlipidemia, maintains RYR use as a food, and addresses the importance of regulation regarding RYR and the need for clinical data and clear label information for consumers with reference to a toxin-free, non-augmented, standardized amount of monacolins. PMID:28257063

  11. Dog Red Blood Cells

    PubMed Central

    Parker, John C.

    1973-01-01

    Dog red blood cells (RBC) lack a ouabain-sensitive sodium pump, and yet they are capable of volume regulation in vivo. The present study was designed to find in vitro conditions under which dog RBC could transport sodium outward, against an electrochemical gradient. Cells were first loaded with sodium chloride and water by preincubation in hypertonic saline. They were then incubated at 37°C in media containing physiologic concentrations of sodium, potassium, chloride, bicarbonate, glucose, and calcium. The cells returned to a normal salt and water content in 16–20 h. Without calcium in the medium the cells continued slowly to accumulate sodium. Removal of glucose caused rapid swelling and lysis, whether or not calcium was present. The net efflux of sodium showed a close relationship to medium calcium over a concentration range from 0 to 5 mM. Extrusion of salt and water was also demonstrated in fresh RBC (no hypertonic preincubation) when calcium levels in the media were sufficiently raised. The ion and water movements in these experiments were not influenced by ouabain or by removal of extracellular potassium. Magnesium could not substitute for calcium. It is concluded that dog RBC have an energy-dependent mechanism for extruding sodium chloride which requires external calcium and is quite distinct from the sodium-potassium exchange pump. PMID:4722565

  12. Pediatric red cell disorders and pure red cell aplasia.

    PubMed

    Perkins, Sherrie L

    2004-12-01

    Anemia in children may arise from a wide variety of pathogenetic mechanisms that include congenital and acquired disorders. Often the diagnostic considerations include disorders that are not seen commonly in adults and lifelong disorders that arise in children and persist throughout life. Consideration of diverse causes of anemia such as red cell membrane disorders, red cell enzymopathies, congenital dyserythropoietic anemias, congenital sideroblastic anemias, and hereditary pure red cell aplasia (Diamond-Blackfan anemia), as well as infectious causes such as parvovirus B19 infection, often is required when diagnosing anemia in an infant or young child. Knowledge of these entities that are important causes of anemia in the pediatric population, including clinical manifestations and laboratory workup, will aid in recognition of the specific disease entities and effective workup of pediatric red cell disorders.

  13. Romantic red: red enhances men's attraction to women.

    PubMed

    Elliot, Andrew J; Niesta, Daniela

    2008-11-01

    In many nonhuman primates, the color red enhances males' attraction to females. In 5 experiments, the authors demonstrate a parallel effect in humans: Red, relative to other achromatic and chromatic colors, leads men to view women as more attractive and more sexually desirable. Men seem unaware of this red effect, and red does not influence women's perceptions of the attractiveness of other women, nor men's perceptions of women's overall likeability, kindness, or intelligence. The findings have clear practical implications for men and women in the mating game and, perhaps, for fashion consultants, product designers, and marketers. Furthermore, the findings document the value of extending research on signal coloration to humans and of considering color as something of a common language, both within and across species. (c) 2008 APA, all rights reserved.

  14. Red Meat and Colorectal Cancer.

    PubMed

    Aykan, Nuri Faruk

    2015-02-10

    Colorectal cancer (CRC) is the third most common cancer in men and the second in women worldwide. More than half of cases occur in more developed countries. The consumption of red meat (beef, pork, lamb, veal, mutton) is high in developed countries and accumulated evidence until today demonstrated a convincing association between the intake of red meat and especially processed meat and CRC risk. In this review, meta-analyses of prospective epidemiological studies addressed to this association, observed link of some subtypes of red meat with CRC risk, potential carcinogenic compounds, their mechanisms and actual recommendations of international guidelines are presented.

  15. Red Meat and Colorectal Cancer

    PubMed Central

    2015-01-01

    Colorectal cancer (CRC) is the third most common cancer in men and the second in women worldwide. More than half of cases occur in more developed countries. The consumption of red meat (beef, pork, lamb, veal, mutton) is high in developed countries and accumulated evidence until today demonstrated a convincing association between the intake of red meat and especially processed meat and CRC risk. In this review, meta-analyses of prospective epidemiological studies addressed to this association, observed link of some subtypes of red meat with CRC risk, potential carcinogenic compounds, their mechanisms and actual recommendations of international guidelines are presented. PMID:26779313

  16. The Homeschooling of Scout Finch

    ERIC Educational Resources Information Center

    Kelley, James B.

    2012-01-01

    Harper Lee's novel "To Kill a Mockingbird" is one of the most widely taught texts in language arts classrooms through the English-speaking world and is greatly valued by many readers today for its depiction of youth grappling with racism in the American South of the Depression Era. However, the novel's subtle and sustained critique of…

  17. The Homeschooling of Scout Finch

    ERIC Educational Resources Information Center

    Kelley, James B.

    2012-01-01

    Harper Lee's novel "To Kill a Mockingbird" is one of the most widely taught texts in language arts classrooms through the English-speaking world and is greatly valued by many readers today for its depiction of youth grappling with racism in the American South of the Depression Era. However, the novel's subtle and sustained critique of…

  18. The Pascal Mars Scout Mission

    NASA Technical Reports Server (NTRS)

    Haberle, R. M.; Fonda, Mark (Technical Monitor)

    2002-01-01

    Except for Earth, Mars is the planet most amenable to surface-based climate studies. Its surface is accessible, and the kind of observations that are needed, such as meteorological measurements from a long-lived global network, are readily achievable. Weather controls the movement of dust, the exchange of water between the surface and atmosphere, and the cycling of CO2 between the poles. We know there is a weather signal, we know how to measure it, and we know how to interpret it. Pascal seeks to understand the long-term global behavior of near-surface weather systems on Mars, how they interact with its surface, and, therefore, how they control its climate system. To achieve this, Pascal delivers 18 Science Stations to the surface of the planet that operate for three Mars years (5.6 Earth years). The network has stations operating in the tropics, midlatitudes, and polar regions of both hemispheres. During entry, descent, and landing, each Pascal probe acquires deceleration measurements to determine thermal structure, and descent images to characterize local terrain. On the surface, each Science Station takes daily measurements of pressure, opacity, temperature, wind speed, and water vapor concentration and monthly panoramic images of the landing environment. These data will characterize the planet's climate system and how atmosphere-surface interactions control it. The Pascal mission is named after 17th century French Scientist, Blaise Pascal, who pioneered measurements of atmospheric pressure. Pressure is the most critical measurement because it records the "heartbeat" of the planet's general circulation and climate system.

  19. Flaring Red Dwarf Star (Illustration)

    NASA Image and Video Library

    2017-06-06

    This illustration shows a red dwarf star orbited by a hypothetical exoplanet. Red dwarfs tend to be magnetically active, displaying gigantic arcing prominences and a wealth of dark sunspots. Red dwarfs also erupt with intense flares that could strip a nearby planet's atmosphere over time, or make the surface inhospitable to life as we know it. By mining data from the Galaxy Evolution Explorer (GALEX) spacecraft, a team of astronomers identified dozens of flares at a range of durations and strengths. The team measured events with less total energy than many previously detected flares from red dwarfs. This is important because, although individually less energetic and therefore less hostile to life, smaller flares might be much more frequent and add up over time to produce a cumulative effect on an orbiting planet. https://photojournal.jpl.nasa.gov/catalog/PIA21473

  20. Red wine and cardiovascular risks.

    PubMed

    Lagrue-Lak-Hal, A H; Andriantsitohaina, R

    2006-12-01

    Numerous epidemiological studies indicate that a moderate intake of alcohol is associated with a reduced risk of morbidity and mortality secondary to cardiovascular diseases. Alcohol intake from any type of alcoholic beverage appears beneficial, but red wine seems to confer additional health benefits because of the presence of red wine polyphenolic compounds (RWPC). On the basis of clinical and experimental data, the favourable effect of moderate intake of alcohol results to its action on lipid profile, hemostatic parameters, and reduction of inflammation markers. RWPC exert numerous effects including antioxidant and free radical properties, anti-aggregatory platelet and anti-thrombotic activities. Moreover, RWPC are powerful vasodilators and contribute to the preservation of the integrity of the endothelium and inhibition of smooth muscle cell proliferation and migration. All these effects of red wine might interfere with atherosclerotic plaque development and stability, vascular thrombosis and occlusion. Although, red wine might be of therapeutic benefit in cardiovascular diseases, prospective controlled clinical studies are still lacking.

  1. Red blood cells, spherocytosis (image)

    MedlinePlus

    Spherocytosis is a hereditary disorder of the red blood cells (RBCs), which may be associated with a mild anemia. Typically, the affected RBCs are small, spherically shaped, and lack the light centers seen ...

  2. Red Blood Cell Antibody Identification

    MedlinePlus

    ... name: Red Blood Cell Antibody Identification Related tests: Direct Antiglobulin Test ; RBC Antibody Screen ; Blood Typing ; Type ... a positive RBC antibody screen or a positive direct antiglobulin test (DAT) . It is used to identify ...

  3. Red Tide off Texas Coast

    NASA Technical Reports Server (NTRS)

    2002-01-01

    Red tides (algae) bloomed late this summer along a 300-mile stretch of Texas' Gulf Coast, killing millions of fish and shellfish as well as making some people sick. State officials are calling this the worst red tide bloom in 14 years. The algae produces a poison that paralyzes fish and prevents them from breathing. There is concern that the deadly algae could impact or even wipe out this year's oyster harvest in Texas, which usually peaks during the Thanksgiving and Christmas holidays. The red tides were first observed off the Texas coast in mid-August and have been growing steadily in size ever since. Red tides tend to bloom and subside rapidly, depending upon changes in wind speed and direction, water temperature, salinity, and rainfall patterns (as the algae doesn't do as well in fresher water). This true-color image of the Texas Gulf Coast was acquired on September 29, 2000, by the Moderate-resolution Imaging Spectroradiometer (MODIS) flying aboard NASA's Terra spacecraft. The red tide can be seen as the dark reddish discoloration in the ocean running southwest to northeast along the coast. In this scene, the bloom appears to be concentrated north and east of Corpus Christi, just off Matagorda Island. The image was made at 500-meter resolution using a combination of MODIS' visible bands 1 (red), 4 (green), and 3 (blue). The city of Houston can be seen clearly as the large, greyish cluster of pixels to the north and west of Galveston Bay, which is about mid-way up the coastline in this image. Also visible in this image are plumes of smoke, perhaps wildfires, both to the north and northeast of Houston. For more information about red tides, refer to the Texas Red Tide Web site. Image courtesy Andrey Savtchenko, MODIS Data Support Team, and the MODIS Ocean Team, NASA's Goddard Space Flight Center

  4. Transient Photochemistry of Neutral Red.

    DTIC Science & Technology

    1983-07-01

    ascorbic acid system to 50 successive flashes, indicating that no ground state neutral red is permanently converted to leuco dye . Since leuco neutral...complete regeneration of ground state neutral red in this pH range in the present study suggests that formation of leuco dye is not significant. The second...radical disproportionation step is followed by a slower step which converts leuco dye to semireduced radical. Because coupling the two steps

  5. Red Tide off Texas Coast

    NASA Technical Reports Server (NTRS)

    2002-01-01

    Red tides (algae) bloomed late this summer along a 300-mile stretch of Texas' Gulf Coast, killing millions of fish and shellfish as well as making some people sick. State officials are calling this the worst red tide bloom in 14 years. The algae produces a poison that paralyzes fish and prevents them from breathing. There is concern that the deadly algae could impact or even wipe out this year's oyster harvest in Texas, which usually peaks during the Thanksgiving and Christmas holidays. The red tides were first observed off the Texas coast in mid-August and have been growing steadily in size ever since. Red tides tend to bloom and subside rapidly, depending upon changes in wind speed and direction, water temperature, salinity, and rainfall patterns (as the algae doesn't do as well in fresher water). This true-color image of the Texas Gulf Coast was acquired on September 29, 2000, by the Moderate-resolution Imaging Spectroradiometer (MODIS) flying aboard NASA's Terra spacecraft. The red tide can be seen as the dark reddish discoloration in the ocean running southwest to northeast along the coast. In this scene, the bloom appears to be concentrated north and east of Corpus Christi, just off Matagorda Island. The image was made at 500-meter resolution using a combination of MODIS' visible bands 1 (red), 4 (green), and 3 (blue). The city of Houston can be seen clearly as the large, greyish cluster of pixels to the north and west of Galveston Bay, which is about mid-way up the coastline in this image. Also visible in this image are plumes of smoke, perhaps wildfires, both to the north and northeast of Houston. For more information about red tides, refer to the Texas Red Tide Web site. Image courtesy Andrey Savtchenko, MODIS Data Support Team, and the MODIS Ocean Team, NASA's Goddard Space Flight Center

  6. "Congo" red: out of Africa?

    PubMed

    Steensma, D P

    2001-02-01

    Congo red is the essential histologic stain for demonstrating the presence of amyloidosis in fixed tissues. To the best of my knowledge, nothing has been written about why the stain is named "Congo." To understand the etymology and history of the Congo red histologic stain. Primary sources were consulted extensively, including 19th-century corporate documents, newspapers, legal briefs, patents, memoirs, and scientific papers. Sources were obtained from multiple university libraries and German corporate archives. To Europeans in 1885, the word Congo evoked exotic images of far-off central Africa known as The Dark Continent. The African Congo was also a political flashpoint during the Age of Colonialism. "Congo" red was introduced in Berlin in 1885 as the first of the economically lucrative direct textile dyes. A patent on Congo red was filed by the AGFA Corporation of Berlin 3 weeks after the conclusion of the well-publicized Berlin West Africa Conference. During these important diplomatic talks, German Chancellor Otto von Bismarck presided over a discussion of free trade issues in the Congo River basin. A challenge to AGFA's Congo red patent led to a precedent-setting decision in intellectual property law. The Congo red stain was named "Congo" for marketing purposes by a German textile dyestuff company in 1885, reflecting geopolitical current events of that time.

  7. Habitability of planets around red dwarf stars.

    PubMed

    Heath, M J; Doyle, L R; Joshi, M M; Haberle, R M

    1999-08-01

    Recent models indicate that relatively moderate climates could exist on Earth-sized planets in synchronous rotation around red dwarf stars. Investigation of the global water cycle, availability of photosynthetically active radiation in red dwarf sunlight, and the biological implications of stellar flares, which can be frequent for red dwarfs, suggests that higher plant habitability of red dwarf planets may be possible.

  8. Silvical characteristics of red maple (Acer rubrum)

    Treesearch

    Russell J. Hutnik; Harry W. Yawney

    1961-01-01

    Red maple (Acer rubrum L.) is also known as Carolina red maple, scarlet maple, soft maple, swamp maple, water maple, and white maple. Taxonomists recognize several varieties of red maple. The most common is Drummond red maple (Acer rubrum var. drummondii (Hook, & Arn.) Sarg.).

  9. The Oscillating History in the Exploration of the Red Planet

    NASA Astrophysics Data System (ADS)

    Young, Suzanne M. M.

    2009-10-01

    , and possibly microbial (presumably unintelligent) life. The Phoenix Mars Scout landed on 25 May 2008 at the northern polar latitude of 68^oN. Analyses included excavating the Mars regolith with a robotic arm and delivering samples to payload instruments including a scanning calorimeter-mass spectrometer (TEGA) and an electrochemical analyzer, (WCL). The work reported here addresses the implications of the Phoenix observations for the prospects of Mars biohability. TEGA confirmed the presence of water ice in the regolith, not bound as a chemical ligand. The salts by WCL offer evidence for the presence in the past of liquid water on Mars. Sources of bio-energy, key bioelements and ions, and environmental toxicity and pH will also be discussed with our current understanding of the red planet.

  10. Red Pine in the Northern Lake States

    Treesearch

    Thomas L. Schmidt

    2003-01-01

    Red pine is an important tree species for the Northern Lake States. About 4 percent of the total area of timberland is dominated by red pine but most other forest types also have red pine as a component. The red pine forest type in the region has dramatically increased in area since the 1930s. Stand-size class distribution of the red pine forest type has changed over...

  11. Red cell metabolism studies on Skylab

    NASA Technical Reports Server (NTRS)

    Mengel, C. E.

    1977-01-01

    Blood samples from Spacelab crewmembers were studied for possible environment effects on red cell components. Analysis involved peroxidation of red cell lipids, enzymes of red cell metabolism, and levels of 2,3-diphosphoglyceric acid and adenosine triphosphate. Results show that there is no evidence of lipid peroxidation, that biochemical effect known to be associated with irreversible red cell damage. Changes observed in glycolytic intermediates and enzymes cannot be directly implicated as indicating evidence of red cell damage.

  12. Red cell metabolism studies on Skylab

    NASA Technical Reports Server (NTRS)

    Mengel, C. E.

    1977-01-01

    Blood samples from Spacelab crewmembers were studied for possible environment effects on red cell components. Analysis involved peroxidation of red cell lipids, enzymes of red cell metabolism, and levels of 2,3-diphosphoglyceric acid and adenosine triphosphate. Results show that there is no evidence of lipid peroxidation, that biochemical effect known to be associated with irreversible red cell damage. Changes observed in glycolytic intermediates and enzymes cannot be directly implicated as indicating evidence of red cell damage.

  13. Red Teaming: shaping the Transformation Process

    DTIC Science & Technology

    2001-06-01

    there is a small chance of hitting the mark that transformation aims for. A strong and independent Red Team can examine both strengths and weaknesses...teaming and some desirable attributes a World Class Red Team might possess. The briefing then looks more closely at the issues surrounding the...establishment of a Red Team and a range of alternatives for setting up a Red Team . Finally, it proposes a concept for establishing a prototype Red Team . The

  14. Red Teaming: A Means to Military Transformation

    DTIC Science & Technology

    2001-01-01

    ballistic missiles (TBMs) circa 2015. To expose these concepts to an adaptive enemy, a Red Team was employed to develop and execute various aspects...of a future TBM force, including counters to Blue Force attack operations. The Red Team experience in J9901 also contributed to the process of learning...experimentation, and further, that red team activities should be embedded in a disciplined process of Red-Blue interaction. At one level, red teaming could

  15. Characterizing warfare in red teaming.

    PubMed

    Yang, Ang; Abbass, Hussein A; Sarker, Ruhul

    2006-04-01

    Red teaming is the process of studying a problem by anticipating adversary behaviors. When done in simulations, the behavior space is divided into two groups; one controlled by the red team which represents the set of adversary behaviors or bad guys, while the other is controlled by the blue team which represents the set of defenders or good guys. Through red teaming, analysts can learn about the future by forward prediction of scenarios. More recently, defense has been looking at evolutionary computation methods in red teaming. The fitness function in these systems is highly stochastic, where a single configuration can result in multiple different outcomes. Operational, tactical and strategic decisions can be made based on the findings of the evolutionary method in use. Therefore, there is an urgent need for understanding the nature of these problems and the role of the stochastic fitness to gain insight into the possible performance of different methods. This paper presents a first attempt at characterizing the search space difficulties in red teaming to shed light on the expected performance of the evolutionary method in stochastic environments.

  16. Growth declines in red spruce

    SciTech Connect

    McLaughlin, S.B. ); Adams, H.S. )

    1987-10-01

    In this letter, the authors take issue with Zedaker, Hyink, and Smith who have indicated that observed red spruce growth declines can be expected based on growth trends for even-aged stands of red spruce as documented in Meyer (1929). Recently, an examination was made of stand stocking levels at 750 sites where red spruce were cored and neither the rate of growth decline nor the extent of mortality were found to be related to stand stocking levels or previous disturbance history. The authors conclude that the Meyer data do not represent an appropriate model for stand dynamics of old-growth, high-elevation stands and no not adequately explain the growth declines observed at many of those sites.

  17. Red Plague Control Plan (RPCP)

    NASA Technical Reports Server (NTRS)

    Cooke, Robert W.

    2010-01-01

    SCOPE: Prescribes the minimum requirements for the control of cuprous / cupric oxide corrosion (a.k.a. Red Plague) of silver-coated copper wire, cable, and harness assemblies. PURPOSE: Targeted for applications where exposure to assembly processes, environmental conditions, and contamination may promote the development of cuprous / cupric oxide corrosion (a.k.a. Red Plague) in silver-coated copper wire, cable, and harness assemblies. Does not exclude any alternate or contractor-proprietary documents or processes that meet or exceed the baseline of requirements established by this document. Use of alternate or contractor-proprietary documents or processes shall require review and prior approval of the procuring NASA activity.

  18. Red facts: Ethylene. Fact sheet

    SciTech Connect

    Not Available

    1992-09-01

    EPA is directed by the Federal Insecticide, Fungicide, and Rodenticide Act as amended in 1988 (FIFRA '88) to review all pesticide products containing active ingredients initially registered before November 1, 1984, and to reregister those products that have a substantially complete data base and do not pose unreasonable adverse effects to people or the environment. The pesticide reregistration program is to be completed by the late 1990's. The RED FACTS fact sheet summarizes EPA's conclusion, as set forth in the Reregistration Eligibility Document (or RED), that products containing a pesticide do not pose unreasonable risks when used as directed by Agency-approved labeling, and are eligible for reregistration.

  19. Eye Redness Image Processing Techniques

    NASA Astrophysics Data System (ADS)

    Adnan, M. R. H. Mohd; Zain, Azlan Mohd; Haron, Habibollah; Alwee, Razana; Zulfaezal Che Azemin, Mohd; Osman Ibrahim, Ashraf

    2017-09-01

    The use of photographs for the assessment of ocular conditions has been suggested to further standardize clinical procedures. The selection of the photographs to be used as scale reference images was subjective. Numerous methods have been proposed to assign eye redness scores by computational methods. Image analysis techniques have been investigated over the last 20 years in an attempt to forgo subjective grading scales. Image segmentation is one of the most important and challenging problems in image processing. This paper briefly outlines the comprehensive of image processing and the implementation of image segmentation in eye redness.

  20. Red River of the North Reconnaissance Report: Red Lake River.

    DTIC Science & Technology

    1980-12-01

    and Helisoma, especially). Cvancara (1970) reported live representatives for thirteen species of mussels from Red Lake River. Annelids and flatworms ...rare by the Minnesota Natural Heritage Program (1980). One of these plants, Orobanche ludoviciana, is a parasite on the roots of members of the

  1. The Cyborg Astrobiologist: porting from a wearable computer to the Astrobiology Phone-cam

    NASA Astrophysics Data System (ADS)

    Bartolo, Alexandra; McGuire, Patrick C.; Camilleri, Kenneth P.; Spiteri, Christopher; Borg, Jonathan C.; Farrugia, Philip J.; Ormö, Jens; Gómez-Elvira, Javier; Rodriguez-Manfredi, José Antonio; Díaz-Martínez, Enrique; Ritter, Helge; Haschke, Robert; Oesker, Markus; Ontrup, Jörg

    2007-08-01

    We have used a simple camera phone to significantly improve an `exploration system' for astrobiology and geology. This camera phone will make it much easier to develop and test computer-vision algorithms for future planetary exploration. We envision that the `Astrobiology Phone-cam' exploration system can be fruitfully used in other problem domains as well.

  2. The Cyborg Astrobiologist: Image Compression for Geological Mapping and Novelty Detection

    NASA Astrophysics Data System (ADS)

    McGuire, P. C.; Bonnici, A.; Bruner, K. R.; Gross, C.; Ormö, J.; Smosna, R. A.; Walter, S.; Wendt, L.

    2013-09-01

    We describe an image-comparison technique of Heidemann and Ritter [4,5] that uses image compression, and is capable of: (i) detecting novel textures in a series of images, as well as of: (ii) alerting the user to the similarity of a new image to a previously-observed texture. This image-comparison technique has been implemented and tested using our Astrobiology Phone-cam system, which employs Bluetooth communication to send images to a local laptop server in the field for the image-compression analysis. We tested the system in a field site displaying a heterogeneous suite of sandstones, limestones, mudstones and coalbeds. Some of the rocks are partly covered with lichen. The image-matching procedure of this system performed very well with data obtained through our field test, grouping all images of yellow lichens together and grouping all images of a coal bed together, and giving a 91% accuracy for similarity detection. Such similarity detection could be employed to make maps of different geological units. The novelty-detection performance of our system was also rather good (a 64% accuracy). Such novelty detection may become valuable in searching for new geological units, which could be of astrobiological interest. By providing more advanced capabilities for similarity detection and novelty detection, this image-compression technique could be useful in giving more scientific autonomy to robotic planetary rovers, and in assisting human astronauts in their geological exploration.

  3. The Cyborg Astrobiologist: matching of prior textures by image compression for geological mapping and novelty detection

    NASA Astrophysics Data System (ADS)

    McGuire, P. C.; Bonnici, A.; Bruner, K. R.; Gross, C.; Ormö, J.; Smosna, R. A.; Walter, S.; Wendt, L.

    2014-07-01

    We describe an image-comparison technique of Heidemann and Ritter (2008a, b), which uses image compression, and is capable of: (i) detecting novel textures in a series of images, as well as of: (ii) alerting the user to the similarity of a new image to a previously observed texture. This image-comparison technique has been implemented and tested using our Astrobiology Phone-cam system, which employs Bluetooth communication to send images to a local laptop server in the field for the image-compression analysis. We tested the system in a field site displaying a heterogeneous suite of sandstones, limestones, mudstones and coal beds. Some of the rocks are partly covered with lichen. The image-matching procedure of this system performed very well with data obtained through our field test, grouping all images of yellow lichens together and grouping all images of a coal bed together, and giving 91% accuracy for similarity detection. Such similarity detection could be employed to make maps of different geological units. The novelty-detection performance of our system was also rather good (64% accuracy). Such novelty detection may become valuable in searching for new geological units, which could be of astrobiological interest. The current system is not directly intended for mapping and novelty detection of a second field site based on image-compression analysis of an image database from a first field site, although our current system could be further developed towards this end. Furthermore, the image-comparison technique is an unsupervised technique that is not capable of directly classifying an image as containing a particular geological feature; labelling of such geological features is done post facto by human geologists associated with this study, for the purpose of analysing the system's performance. By providing more advanced capabilities for similarity detection and novelty detection, this image-compression technique could be useful in giving more scientific autonomy to robotic planetary rovers, and in assisting human astronauts in their geological exploration and assessment.

  4. Red tree vole / Arborimus longicaudus.

    Treesearch

    A.B. Carey

    1999-01-01

    The secretive nocturnal red tree vole is one of least studied and most specialized voles in North America. It is found only along the coast and in the Western Cascades of Oregon where it spends most of its life in the tops of tall conifers. eating needles of Douglas-fir (Pseudotsuga menziesii) and. Occasionally, other conifers. The voles clip small...

  5. Jupiter Great Red Spot Region

    NASA Image and Video Library

    1996-09-26

    This mosaic of Jupiter Great Red Spot taken by NASA Voyager 1, shows the area around the northern boundary where a white cloud is seen which extends to east of the region. http://photojournal.jpl.nasa.gov/catalog/PIA00065

  6. Germination of red alder seed.

    Treesearch

    M.A. Radwan; D.S. DeBell

    1981-01-01

    Red alder seeds were collected from six locations throughout the natural range of the species. Each seed lot was obtained from a single tree, and the seeds were used to determine germination with and without stratification treatment. Irrespective of treatment, germination varied significantly (P

  7. Chemical Contamination of Red Meat

    USDA-ARS?s Scientific Manuscript database

    Chemical residues have been present in red meat products since meat eating began. Only in the last few decades, however has man been able to identify and quantify these residues in meat products and to ascribe to them specific risks to human health. For some residues, uncertainties with respect to q...

  8. Expedition 50 Red Square Visit

    NASA Image and Video Library

    2016-10-26

    Expedition 50 NASA astronaut Peggy Whitson, left, Russian cosmonaut Oleg Novitskiy of Roscosmos, center, and ESA astronaut Thomas Pesquet visit Red Square to lay roses at the site where Russian space icons are interred as part of traditional pre-launch ceremonies, Wednesday, Oct. 26, 2016, in Moscow. Photo Credit: (NASA/Bill Ingalls)

  9. Expedition 52 Red Square Visit

    NASA Image and Video Library

    2017-07-10

    Expedition 52 flight engineers Paolo Nespoli of ESA, left, Sergey Ryazanskiy of Roscosmos, center, and Randy Bresnik of NASA visit Red Square to lay roses at the site where Russian space icons are interred as part of traditional pre-launch ceremonies, Monday, July 10, 2017 in Moscow. Photo Credit: (NASA/Bill Ingalls)

  10. Expedition 52 Red Square Visit

    NASA Image and Video Library

    2017-07-10

    Expedition 52 flight engineers Paolo Nespoli of ESA, left, Sergey Ryazanskiy of Roscosmos, center, and Randy Bresnik of NASA visit Red Square prepare to lay roses at the site where Russian space icons are interred as part of traditional pre-launch ceremonies, Monday, July 10, 2017 in Moscow. Photo Credit: (NASA/Bill Ingalls)

  11. Clusters rich in red supergiants

    NASA Astrophysics Data System (ADS)

    Negueruela, Ignacio

    In the past few years, several clusters containing large numbers of red supergiants have been discovered. These clusters are amongst the most massive young clusters known in the Milky Way, with stellar masses reaching a few 104 M ⊙. They have provided us, for the first time, with large homogeneous samples of red supergiants of a given age. These large populations make them, despite heavy extinction along their sightlines, powerful laboratories to understand the evolutionary status of red supergiants. While some of the clusters, such as the eponymous RSGC1, are so obscured that their members are only observable in the near-IR, some of them are easily accessible, allowing for an excellent characterisation of cluster and stellar properties. The information gleaned so far from these clusters gives strong support to the idea that late-M type supergiants represent a separate class, characterised by very heavy mass loss. It also shows that the spectral-type distribution of red supergiants in the Milky Way is very strongly peaked towards M1, while suggesting a correlation between spectral type and evolutionary stage.

  12. Growth declines in red spruce

    SciTech Connect

    Zedaker, S.M.; Hyink, D.M.; Smith, D.W.

    1987-01-01

    Over the past two decades second-growth red spruce stands in the Northeast have demonstrated declines in radial increment. Some observers are implicating air pollution as a primary cause of the declines, based on recently acquired increment cores from dominant trees. Various forms of air pollution (O/sub 3/, NO/sub x/, SO/sub 2/, and trace metals) are known to reduce growth and development of tree species, but few studies have provided concrete evidence of regional pollution-caused declines in forest ecosystems. Recently published evidence of a synchronous, consistent, and unprecedented regional decline in red spruce should be weighed against the realization that radial increment in red spruce declines naturally as stands age. Separating anthropogenic stress-caused growth patterns from natural stand dynamics requires an in-depth knowledge of forest growth and yield, tree silvics, and forest ecosystem processes. Detailed analyses of growth by stand characteristics - site index, density, elevation, stand history - will be necessary to implicate air pollution as a primary cause of red spruce decline.

  13. Infra-red soft universality

    SciTech Connect

    Jack, I.

    1997-06-15

    In a special class of supersymmetric grand unified theories, the commonly assumed universal form of the soft supersymmetry-breaking terms is approached in the infra-red limit. The resulting universal scalar mass and trilinear coupling are predicted in terms of the gaugino mass.

  14. Site curves for red alder.

    Treesearch

    Daniel M. Bishop; Floyd A. Johnson

    1958-01-01

    The increasing commercial importance of red alder (Alnus rubra) in the Pacific Northwest has created a demand for research on this species. Noting the lack of information on growth of alder, the Puget Sound Research Center Advisory Committee established a subcommittee in January 1956 to undertake construction of alder yield tables. Through the...

  15. Pesa Large Red Dry Bean

    USDA-ARS?s Scientific Manuscript database

    Released in 2006, Pesa was derived from the single cross Rojo x Kablanketi made in Dec-Jan 1992-93. The parent ‘Rojo’ is a large red-seeded cultivar released by SUA in 1997. It has I bc-12 resistance to BCMV and BCMNV, resistance to the prevalent races of ALS, and moderate resistance to CBB, and H...

  16. Still red light for red light cameras? An update.

    PubMed

    Høye, Alena

    2013-06-01

    The present study has replicated the results from a previous meta-analysis by Erke (2009) [Erke, A., 2009. Red light for red-light cameras? A meta-analysis of the effects of red-light cameras on crashes. Accident Analysis & Prevention 41 (5), 897-905.] based on a larger sample of RLC-studies, and provides answers to the criticisms that were raised by Lund et al. (2009) [Lund, A.K., Kyrychenko, S.Y., Retting, R.A., 2009. Caution: a comment on Alena Erke's red light for red-light cameras? A meta-analysis of the effects of red-light cameras on crashes. Accident Analysis and Prevention 41, 895-896.] against the previous meta-analysis. The addition of recent studies to the meta-analysis and a more thorough investigation of potential moderator variables lead to a slight improvement of the estimated effects of RLC in the previous meta-analysis. The present study found a non-significant increase of all crashes by 6% and a non-significant decrease of all injury crashes by 13%. Right-angle collisions were found to decrease by 13% and rear-end collisions were found to increase by 39%. For right-angle injury collisions a decrease by 33% was found and for rear-end injury collisions a smaller increase was found (+19%). The effects of RLC are likely to be more favorable when RLC-warning signs are set up at main entrances to areas with RLC enforcement than when each RLC-intersection is signposted. The effects of RLC may become more favorable over time, this could however not be investigated empirically. Several results indicate that spillover effects may occur for right-angle collisions, but most likely not for rear-end and other crashes. If spillover effects do not occur for rear-end crashes, which increase at RLC intersection, this would be a positive result for RLC. However, the results seem to be affected to some degree by publication bias and the effects may therefore be somewhat less favorable than indicated by the results from meta-analysis.

  17. Genetic Basis for Red Coloration in Birds.

    PubMed

    Lopes, Ricardo J; Johnson, James D; Toomey, Matthew B; Ferreira, Mafalda S; Araujo, Pedro M; Melo-Ferreira, José; Andersson, Leif; Hill, Geoffrey E; Corbo, Joseph C; Carneiro, Miguel

    2016-06-06

    The yellow and red feather pigmentation of many bird species [1] plays pivotal roles in social signaling and mate choice [2, 3]. To produce red pigments, birds ingest yellow carotenoids and endogenously convert them into red ketocarotenoids via an oxidation reaction catalyzed by a previously unknown ketolase [4-6]. We investigated the genetic basis for red coloration in birds using whole-genome sequencing of red siskins (Spinus cucullata), common canaries (Serinus canaria), and "red factor" canaries, which are the hybrid product of crossing red siskins with common canaries [7]. We identified two genomic regions introgressed from red siskins into red factor canaries that are required for red coloration. One of these regions contains a gene encoding a cytochrome P450 enzyme, CYP2J19. Transcriptome analysis demonstrates that CYP2J19 is significantly upregulated in the skin and liver of red factor canaries, strongly implicating CYP2J19 as the ketolase that mediates red coloration in birds. Interestingly, a second introgressed region required for red feathers resides within the epidermal differentiation complex, a cluster of genes involved in development of the integument. Lastly, we present evidence that CYP2J19 is involved in ketocarotenoid formation in the retina. The discovery of the carotenoid ketolase has important implications for understanding sensory function and signaling mediated by carotenoid pigmentation.

  18. Jupiter Full Disk with Great Red Spot

    NASA Image and Video Library

    1999-03-13

    This photo, taken on Jan. 9, 1979 by NASA Voyager 1, is dominated by the Great Red Spot. Swirling, storm-like features possibly associated with wind shear can be seen both to the left and above the Red Spot.

  19. American Red Cross: A History And Analysis

    DTIC Science & Technology

    2016-12-01

    NAVAL POSTGRADUATE SCHOOL MONTEREY, CALIFORNIA MBA PROFESSIONAL REPORT AMERICAN RED CROSS: A HISTORY AND ANALYSIS December......detailed history and highlight current operations of the American National Red Cross (ANRC). We analyze the organization’s mission, purpose

  20. Red blood cells, sickle cell (image)

    MedlinePlus

    ... is an inherited blood disease in which the red blood cells produce abnormal pigment (hemoglobin). The abnormal hemoglobin causes deformity of the red blood cells into crescent or sickle-shapes, as seen in ...

  1. Planets Under a Red Sun Artist Concept

    NASA Image and Video Library

    2011-04-08

    This artist concept illustrates a young, red dwarf star surrounded by three planets. NASA Galaxy Evolution Explorer is helping to identify young, red dwarf stars that are close to us by detecting their ultraviolet light.

  2. Red Grooms: Selections from the Graphic Work.

    ERIC Educational Resources Information Center

    Johnson, Mark M.

    2002-01-01

    Provides background information on the life and career of Charles Rogers Grooms, better known as Red Grooms. Describes the art exhibit, "Red Grooms: Selections from the Graphic Work," presented by the Tennessee State Museum (Nashville, Tennessee). (CMK)

  3. False Color Mosaic Great Red Spot

    NASA Image and Video Library

    1997-09-07

    False color representation of Jupiter Great Red Spot GRS taken by NASA Galileo imaging system. The Great Red Spot appears pink and the surrounding region blue because of the particular color coding used in this representation.

  4. Red Thread Found on Bermuda Grass

    Treesearch

    T. H. Filer

    1966-01-01

    Red thread fungus (Corticium fuciforme (Berk.) Wakef.) was observed in 1965 and 1966 on Bermuda grass (Cynodon dactylon) on lawns in Leland, Mississippi. Red thread is a serious disease on fescues but has not previously been reported on Bermuda grass.

  5. Photoconversion in orange and red fluorescent proteins

    PubMed Central

    Kremers, Gert-Jan; Hazelwood, Kristin L.; Murphy, Christopher S.; Davidson, Michael W.; Piston, David W.

    2009-01-01

    We report that photoconversion is fairly common among orange and red fluorescent proteins, as a screen of 12 variants yielded 8 that exhibit photoconversion. Specifically, three red fluorescent proteins can be switched into a green state, and two orange variants can be photoconverted to the far red. The orange highlighters are ideal for dual-probe highlighter applications, and they exhibit the most red-shifted excitation of all fluorescent protein described to date. PMID:19363494

  6. Red cell distribution width and nonalcoholic steatohepatitis

    PubMed Central

    Gulcan Kurt, Yasemin; Cayci, Tuncer; Aydin, Fevzi Nuri; Agilli, Mehmet

    2014-01-01

    Red cell distribution width is a measure of deviation of the volume of red blood cells. It is a marker of anisocytosis and often used to evaluate the possible causes of anemia. Elevated red cell distribution width levels are also associated with acute and chronic inflammatory responses. In nonalcoholic steatohepatitis, inflammation is accompanied with steatosis. For assuming red cell distribution width as a marker of nonalcoholic steatohepatitis, intervening factors such as levels of inflammatory markers should also be evaluated. PMID:25473202

  7. Grape (Vitis spp.) - Grapevine Red Blotch Disease

    USDA-ARS?s Scientific Manuscript database

    Grapevine red blotch disease is caused by Grapevine red blotch-associated virus (GRBaV), which was first reported in 2012 from New York and subsequently in California, Washington, Oregon, Idaho and elsewhere in the U.S. The discovery occurred when grapevines with red leaf symptoms that tested negati...

  8. 7 CFR 29.1053 - Red (R).

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... 7 Agriculture 2 2011-01-01 2011-01-01 false Red (R). 29.1053 Section 29.1053 Agriculture Regulations of the Department of Agriculture AGRICULTURAL MARKETING SERVICE (Standards, Inspections, Marketing... Type 92) § 29.1053 Red (R). A brownish red. [42 FR 21092, Apr. 25, 1977. Redesignated at 47 FR 51721...

  9. 7 CFR 29.1053 - Red (R).

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... 7 Agriculture 2 2013-01-01 2013-01-01 false Red (R). 29.1053 Section 29.1053 Agriculture Regulations of the Department of Agriculture AGRICULTURAL MARKETING SERVICE (Standards, Inspections, Marketing... Type 92) § 29.1053 Red (R). A brownish red. ...

  10. 7 CFR 29.1053 - Red (R).

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... 7 Agriculture 2 2010-01-01 2010-01-01 false Red (R). 29.1053 Section 29.1053 Agriculture Regulations of the Department of Agriculture AGRICULTURAL MARKETING SERVICE (Standards, Inspections, Marketing... Type 92) § 29.1053 Red (R). A brownish red. [42 FR 21092, Apr. 25, 1977. Redesignated at 47 FR 51721...

  11. 7 CFR 29.1053 - Red (R).

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... 7 Agriculture 2 2012-01-01 2012-01-01 false Red (R). 29.1053 Section 29.1053 Agriculture Regulations of the Department of Agriculture AGRICULTURAL MARKETING SERVICE (Standards, Inspections, Marketing... Type 92) § 29.1053 Red (R). A brownish red. [42 FR 21092, Apr. 25, 1977. Redesignated at 47 FR 51721...

  12. 7 CFR 29.1053 - Red (R).

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... 7 Agriculture 2 2014-01-01 2014-01-01 false Red (R). 29.1053 Section 29.1053 Agriculture Regulations of the Department of Agriculture AGRICULTURAL MARKETING SERVICE (Standards, Inspections, Marketing... Type 92) § 29.1053 Red (R). A brownish red. ...

  13. Red-Cockaded Woodpecker Classroom Activities.

    ERIC Educational Resources Information Center

    Texas State Dept. of Parks and Wildlife, Austin.

    This packet provides information on the balance between the endangered red-cockaded woodpecker and modern forestry in Texas. A set of classroom activities about the Red-cockaded Woodpecker and its habitat for grades 3-6, and a booklet, a pamphlet, and a poster are featured. Sections of the booklet include: (1) "The Red-cockaded…

  14. Red alder: a state of knowledge.

    Treesearch

    Robert L. Deal; Constance A. Harrington

    2006-01-01

    In March 23-25, 2005, an international symposium on red alder was held at the University of Washington Center for Urban Horticulture in Seattle, WA. The symposium was entitled "Red alder: A State of Knowledge" and brought together regional experts to critically examine the economic, ecological and social values of red alder. The primary goal of the symposium...

  15. 21 CFR 184.1121 - Red algae.

    Code of Federal Regulations, 2013 CFR

    2013-04-01

    ... 21 Food and Drugs 3 2013-04-01 2013-04-01 false Red algae. 184.1121 Section 184.1121 Food and Drugs FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) FOOD FOR HUMAN... Substances Affirmed as GRAS § 184.1121 Red algae. (a) Red algae are seaweeds of the species...

  16. 21 CFR 184.1121 - Red algae.

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ... 21 Food and Drugs 3 2010-04-01 2009-04-01 true Red algae. 184.1121 Section 184.1121 Food and Drugs FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) FOOD FOR HUMAN... Substances Affirmed as GRAS § 184.1121 Red algae. (a) Red algae are seaweeds of the species...

  17. 21 CFR 184.1121 - Red algae.

    Code of Federal Regulations, 2011 CFR

    2011-04-01

    ... 21 Food and Drugs 3 2011-04-01 2011-04-01 false Red algae. 184.1121 Section 184.1121 Food and Drugs FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) FOOD FOR HUMAN... Substances Affirmed as GRAS § 184.1121 Red algae. (a) Red algae are seaweeds of the species...

  18. 21 CFR 184.1121 - Red algae.

    Code of Federal Regulations, 2012 CFR

    2012-04-01

    ... 21 Food and Drugs 3 2012-04-01 2012-04-01 false Red algae. 184.1121 Section 184.1121 Food and Drugs FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) FOOD FOR HUMAN... Substances Affirmed as GRAS § 184.1121 Red algae. (a) Red algae are seaweeds of the species...

  19. Neutral red staining for plant vacuoles.

    PubMed

    Schwab, Birgit; Hülskamp, Martin

    2010-06-01

    For almost 100 years, neutral red has been used to stain living cells and fixed tissue. It can be used as a general-purpose stain, a pH indicator (turning from red to yellow, as the medium becomes alkaline), or a nuclear stain. In this protocol, neutral red is used to stain plant vacuoles.

  20. When is red eye not just conjunctivitis?

    PubMed

    Vafidis, Gilli

    2002-07-01

    Red eyes are not 'just conjunctivitis' when there is significant pain or associated loss of sight. However, you are pretty safe to treat pain-free eyes and the normally seeing red eye with reasurance, lid hygiene advice and bland topical medication. But beware patients wearing soft lenses, and the red eyes of tiny babies or elderly patients, particularly those with apparent acute gastroenteritis.

  1. 27 CFR 9.167 - Red Mountain

    Code of Federal Regulations, 2014 CFR

    2014-04-01

    ... 27 Alcohol, Tobacco Products and Firearms 1 2014-04-01 2014-04-01 false Red Mountain 9.167 Section... Mountain (a) Name. The name of the viticultural area described in this section is “Red Mountain.” (b) Approved maps. The appropriate map for determining the boundaries of the Red Mountain viticultural area is...

  2. 27 CFR 9.167 - Red Mountain

    Code of Federal Regulations, 2011 CFR

    2011-04-01

    ... 27 Alcohol, Tobacco Products and Firearms 1 2011-04-01 2011-04-01 false Red Mountain 9.167 Section... Mountain (a) Name. The name of the viticultural area described in this section is “Red Mountain.” (b) Approved maps. The appropriate map for determining the boundaries of the Red Mountain viticultural area is...

  3. 27 CFR 9.167 - Red Mountain

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ... 27 Alcohol, Tobacco Products and Firearms 1 2010-04-01 2010-04-01 false Red Mountain 9.167 Section... Mountain (a) Name. The name of the viticultural area described in this section is “Red Mountain.” (b) Approved maps. The appropriate map for determining the boundaries of the Red Mountain viticultural area is...

  4. 27 CFR 9.167 - Red Mountain

    Code of Federal Regulations, 2013 CFR

    2013-04-01

    ... 27 Alcohol, Tobacco Products and Firearms 1 2013-04-01 2013-04-01 false Red Mountain 9.167 Section... Mountain (a) Name. The name of the viticultural area described in this section is “Red Mountain.” (b) Approved maps. The appropriate map for determining the boundaries of the Red Mountain viticultural area is...

  5. 27 CFR 9.167 - Red Mountain

    Code of Federal Regulations, 2012 CFR

    2012-04-01

    ... 27 Alcohol, Tobacco Products and Firearms 1 2012-04-01 2012-04-01 false Red Mountain 9.167 Section... Mountain (a) Name. The name of the viticultural area described in this section is “Red Mountain.” (b) Approved maps. The appropriate map for determining the boundaries of the Red Mountain viticultural area is...

  6. 33 CFR 165.T09-0263 - Safety zone; Red River Safety Zone, Red River, MN.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 33 Navigation and Navigable Waters 2 2011-07-01 2011-07-01 false Safety zone; Red River Safety Zone, Red River, MN. 165.T09-0263 Section 165.T09-0263 Navigation and Navigable Waters COAST GUARD... § 165.T09-0263 Safety zone; Red River Safety Zone, Red River, MN. (a) Location. The following area is a...

  7. “AmaRosa,” a red skinned, red fleshed fingerling with high phytonutrient value

    USDA-ARS?s Scientific Manuscript database

    AmaRosa is a mid season specialty potato with red skin and red flesh. This selection is unique among commercially available potato varieties in that plants set a large number of smooth, small, fingerling-shaped tubers with red skin and red flesh. AmaRosa tubers have higher total anthocyanin and hyd...

  8. Extremely red quasars in BOSS

    NASA Astrophysics Data System (ADS)

    Hamann, Fred; Zakamska, Nadia L.; Ross, Nicholas; Paris, Isabelle; Alexandroff, Rachael M.; Villforth, Carolin; Richards, Gordon T.; Herbst, Hanna; Brandt, W. Niel; Cook, Ben; Denney, Kelly D.; Greene, Jenny E.; Schneider, Donald P.; Strauss, Michael A.

    2017-01-01

    Red quasars are candidate young objects in an early transition stage of massive galaxy evolution. Our team recently discovered a population of extremely red quasars (ERQs) in the Baryon Oscillation Spectroscopic Survey (BOSS) that has a suite of peculiar emission-line properties including large rest equivalent widths (REWs), unusual `wingless' line profiles, large N V/Lyα, N V/C IV, Si IV/C IV and other flux ratios, and very broad and blueshifted [O III] λ5007. Here we present a new catalogue of C IV and N V emission-line data for 216 188 BOSS quasars to characterize the ERQ line properties further. We show that they depend sharply on UV-to-mid-IR colour, secondarily on REW(C IV), and not at all on luminosity or the Baldwin Effect. We identify a `core' sample of 97 ERQs with nearly uniform peculiar properties selected via i-W3 ≥ 4.6 (AB) and REW(C IV) ≥ 100 Å at redshifts 2.0-3.4. A broader search finds 235 more red quasars with similar unusual characteristics. The core ERQs have median luminosity ˜ 47.1, sky density 0.010 deg-2, surprisingly flat/blue UV spectra given their red UV-to-mid-IR colours, and common outflow signatures including BALs or BAL-like features and large C IV emission-line blueshifts. Their SEDs and line properties are inconsistent with normal quasars behind a dust reddening screen. We argue that the core ERQs are a unique obscured quasar population with extreme physical conditions related to powerful outflows across the line-forming regions. Patchy obscuration by small dusty clouds could produce the observed UV extinctions without substantial UV reddening.

  9. Expedition 52 Red Square Visit

    NASA Image and Video Library

    2017-07-10

    Expedition 52 backup crew members Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA), left, Alexander Misurkin of Roscosmos, center, and Mark Vande Hei of NASA pose for a photograph in front of Saint Basil's Cathedral as they visited Red Square to lay roses at the site where Russian space icons are interred as part of traditional pre-launch ceremonies, Monday, July 10, 2017 in Moscow. Photo Credit: (NASA/Bill Ingalls)

  10. Expedition 52 Red Square Visit

    NASA Image and Video Library

    2017-07-10

    Expedition 52 flight engineers Paolo Nespoli of ESA, left, Randy Bresnik of NASA, Sergey Ryazanskiy of Roscosmos, and backup crew members, Alexander Misurkin of Roscosmos, Mark Vande Hei of NASA, and Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA), right, pose for a group photograph in Red Square after having laid roses at the site where Russian space icons are interred as part of traditional pre-launch ceremonies, Monday, July 10, 2017 in Moscow. Photo Credit: (NASA/Bill Ingalls)

  11. Red cell DAMPs and inflammation.

    PubMed

    Mendonça, Rafaela; Silveira, Angélica A A; Conran, Nicola

    2016-09-01

    Intravascular hemolysis, or the destruction of red blood cells in the circulation, can occur in numerous diseases, including the acquired hemolytic anemias, sickle cell disease and β-thalassemia, as well as during some transfusion reactions, preeclampsia and infections, such as those caused by malaria or Clostridium perfringens. Hemolysis results in the release of large quantities of red cell damage-associated molecular patterns (DAMPs) into the circulation, which, if not neutralized by innate protective mechanisms, have the potential to activate multiple inflammatory pathways. One of the major red cell DAMPs, heme, is able to activate converging inflammatory pathways, such as toll-like receptor signaling, neutrophil extracellular trap formation and inflammasome formation, suggesting that this DAMP both activates and amplifies inflammation. Other potent DAMPs that may be released by the erythrocytes upon their rupture include heat shock proteins (Hsp), such as Hsp70, interleukin-33 and Adenosine 5' triphosphate. As such, hemolysis represents a major inflammatory mechanism that potentially contributes to the clinical manifestations that have been associated with the hemolytic diseases, such as pulmonary hypertension and leg ulcers, and likely plays a role in specific complications of sickle cell disease such as endothelial activation, vaso-occlusive processes and tissue injury.

  12. Red giants: then and now

    NASA Astrophysics Data System (ADS)

    Faulkner, John

    Fred Hoyle's work on the structure and evolution of red giants, particularly his pathbreaking contribution with Martin Schwarzschild (Hoyle and Schwarzschild 1955), is both lauded and critically assessed. In his later lectures and work with students in the early 1960s, Hoyle presented more physical ways of understanding some of the approximations used, and results obtained, in that seminal paper. Although later ideas by other investigators will be touched upon, Hoyle's viewpoint - that low-mass red giants are essentially white dwarfs with a serious mass-storage problem - is still extremely fruitful. Over the years, I have further developed his method of attack. Relatively recently, I have been able to deepen and broaden the approach, finally extending the theory to provide a unifying treatment of the structure of low-mass stars from the main sequence though both the red-giant and horizontal-branch phases of evolution. Many aspects of these stars that had remained puzzling, even mysterious, for decades have now fallen into place, and some questions have been answered that were not even posed before. With low-mass red giants as the simplest example, this recent work emphasizes that stars, in general, may have at least two distinct but very important centres: (I) a geometrical centre, and (II) a separate nuclear centre, residing in a shell outside a zero-luminosity dense core for example. This two-centre perspective leads to an explicit, analytical, asymptotic theory of low-mass red-giant structure. It enables one to appreciate that the problem of understanding why such stars become red giants is one of anticipating a remarkable yet natural structural bifurcation that occurs in them. This bifurcation occurs because of a combination of known and understandable facts just summarized namely that, following central hydrogen exhaustion, a thin nuclear-burning shell does develop outside a more-or-less dense core. In the resulting theory, both ρsh/ρolinec and

  13. Nitric oxide scavenging by red cell microparticles.

    PubMed

    Liu, Chen; Zhao, Weixin; Christ, George J; Gladwin, Mark T; Kim-Shapiro, Daniel B

    2013-12-01

    Red cell microparticles form during the storage of red blood cells and in diseases associated with red cell breakdown and asplenia, including hemolytic anemias such as sickle cell disease. These small phospholipid vesicles that are derived from red blood cells have been implicated in the pathogenesis of transfusion of aged stored blood and hemolytic diseases, via activation of the hemostatic system and effects on nitric oxide (NO) bioavailability. Red cell microparticles react with the important signaling molecule NO almost as fast as cell-free hemoglobin, about 1000 times faster than red-cell-encapsulated hemoglobin. The degree to which this fast reaction with NO by red cell microparticles influences NO bioavailability depends on several factors that are explored here. In the context of stored blood preserved in ADSOL, we find that both cell-free hemoglobin and red cell microparticles increase as a function of duration of storage, and the proportion of extra erythrocytic hemoglobin in the red cell microparticle fraction is about 20% throughout storage. Normalized by hemoglobin concentration, the NO-scavenging ability of cell-free hemoglobin is slightly higher than that of red cell microparticles as determined by a chemiluminescence NO-scavenging assay. Computational simulations show that the degree to which red cell microparticles scavenge NO will depend substantially on whether they enter the cell-free zone next to the endothelial cells. Single-microvessel myography experiments performed under laminar flow conditions demonstrate that microparticles significantly enter the cell-free zone and inhibit acetylcholine, endothelial-dependent, and NO-dependent vasodilation. Taken together, these data suggest that as little as 5 μM hemoglobin in red cell microparticles, an amount formed after the infusion of one unit of aged stored packed red blood cells, has the potential to reduce NO bioavailability and impair endothelial-dependent vasodilation.

  14. Red facts: Dibromodicyanobutane. Fact sheet

    SciTech Connect

    1996-06-01

    This fact sheet summarizes the information in the RED document for reregistration case 2780, dibromodicyanobutane. Dibromodicyanobutane (1,2-dibromo-2,4-dicyanobutane) is a microbiocide/microbiostat used to control slime-forming bacteria and fungi in commercial/industrial water cooling systems (recirculating), oil recovery drilling muds/packer fluids, pulp/paper mill water systems, secondary oil recovery rejection water, industrial adhesives and coatings, resin/latex/polymer emulsions, metalworking cutting fluids, paints, specialty industrial products (including fiber processing fluids, waxes, polishes, and inks), and wet-end additives/industrial processing chemicals.

  15. Jupiter's Great Red Spot Revealed

    NASA Image and Video Library

    2017-07-12

    This enhanced-color image of Jupiter's Great Red Spot was created by citizen scientist Kevin Gill using data from the JunoCam imager on NASA's Juno spacecraft. The image was taken on July 10, 2017 at 07:07 p.m. PDT (10:07 p.m. EDT), as the Juno spacecraft performed its 7th close flyby of Jupiter. At the time the image was taken, the spacecraft was about 6,130 miles (9,866 kilometers) from the tops of the clouds of the planet. https://photojournal.jpl.nasa.gov/catalog/PIA21395

  16. Solar Drying of Red Mud

    NASA Astrophysics Data System (ADS)

    Chandler, John L.

    Solar drying of thickened red mud is the latest method for its disposal in an economical and environmentally acceptable way. Two years full scale experience with this method in Jamaica has shown that its success depends on accurate grading of the solar drying area and accurate control of the pre-dewatering of the mud in the alumina plant. Experience with the use of deep thickening for pre-dewatering is described, together with a novel method for measurement and control of thickened mud rheology.

  17. Not just a red eye.

    PubMed

    Juniat, Valerie; Andrew, Nigel

    2014-04-03

    A 70-year-old woman presented to the Eye Casualty department with a 10-day history of worsening pain and redness in her right eye, associated with progressively reduced vision. History revealed that the patient had recently completed a course of chemotherapy for metastatic breast cancer. Anterior examination of the right eye revealed a vascularised iris mass causing pupillary distortion, intraocular inflammation and raised intraocular pressure. She was diagnosed with a right iris metastasis secondary to breast cancer. Ocular management consisted of topical steroids and intraocular pressure-lowering agents, which improved her ocular symptoms. She subsequently received primary radiotherapy, which has successfully reduced the size of the tumour.

  18. Red Spot Spotted by Juno

    NASA Image and Video Library

    2016-06-30

    NASA's Juno spacecraft obtained this color view on June 28, 2016, at a distance of 3.9 million miles (6.2 million kilometers) from Jupiter. As Juno nears its destination, features on the giant planet are increasingly visible, including the Great Red Spot. The spacecraft is approaching over Jupiter's north pole, providing a unique perspective on the Jupiter system, including its four large moons. The scene was captured by the mission's imaging camera, called JunoCam, which is designed to acquire high resolution views of features in Jupiter's atmosphere from very close to the planet. http://photojournal.jpl.nasa.gov/catalog/PIA20705

  19. Panoramic Sinai Peninsula, Red Sea

    NASA Image and Video Library

    1984-10-13

    An excellent panoramic view of the entire Sinai Peninsula (29.0N, 34.0E) and the nearby Nile River Delta and eastern Mediterranean coastal region. The Suez Canal, at the top of the scene just to the right of the Delta, connects the Mediterranean Sea with the Gulf of Suez on the west side of the Sinai Peninsula and the Gulf of Aqaba is on the west where they both flow into the Red Sea. At upper right, is the Dead Sea, Jordan River and Lake Tiberius.

  20. Red is romantic, but only for feminine females: sexual dimorphism moderates red effect on sexual attraction.

    PubMed

    Wen, Fangfang; Zuo, Bin; Wu, Yang; Sun, Shan; Liu, Ke

    2014-08-08

    Previous researchers have documented that the color red enhances one's sexual attraction to the opposite sex. The current study further examined the moderating role of sexual dimorphism in red effects. The results indicated that red enhanced men's sexual attraction to women with more feminine facial characteristics but had no effect on ratings of perceived general attractiveness. Red clothing also had a marginally significant effect on men's sexual attractiveness. In addition, regardless of sexual dimorphism cues, male participants rated women with red as warmer and more competent. The underlying mechanisms of the red effect, the limitations of the current study, and suggestions for future directions are discussed.

  1. Schubert edits JGR-Red

    NASA Astrophysics Data System (ADS)

    Richman, Barbara T.

    ‘As editor, my major concern will be to maintain and strengthen the Journal of Geophysical Research's position as the preeminent journal in solid earth and solid planet geophysics,’ asserted Gerald Schubert, the new editor of the red section of JGR. ‘I will endeavor to ensure that all major subject areas covered by JGR-Red are adequately represented among the published papers.’ Schubert, professor of geophysics and planetary physics at the University of California, Los Angeles, officially begins his 4-year term as editor on December 1, although he has been receiving manuscripts since October 1.The new editor brings to JGR enthusiasm and dedication. ‘I will try to make it the type of journal that the readers want it to be in terms of both rapid publication time and publication of the best papers.’ He expects to continue the traditions that his predecessor, Thomas J . Ahrens, has established. In particular, Schubert wants to continue publishing special issues that focus on specific research topics. He welcomes suggestions for such issues from the research community.

  2. Still from Red Spot Movie

    NASA Technical Reports Server (NTRS)

    2000-01-01

    This image is one of seven from the narrow-angle camera on NASA's Cassini spacecraft assembled as a brief movie of cloud movements on Jupiter. It was taken with a blue filter. The smallest features visible are about 500 kilometers (about 300 miles) across.

    Small bright clouds appear suddenly to the west of the Great Red Spot. Based on data from NASA's Galileo spacecraft, scientists suspect that these small white features are lightning storms, where falling raindrops create an electrical charge. The lightning storms eventually merge with the Red Spot and surrounding jets, and may be the main energy source for these large-scale features. Imaging observations of the darkside of the planet in the weeks following Cassini's closest approach to Jupiter on Dec. 30, 2000 will search for lightning storms like these.

    This image was re-projected by cylindrical-map projection of an image taken in the first week of October 2000. It shows an area from 50 degrees north of Jupiter's equator to 50 degrees south, extending 100 degrees east west, about one quarter of Jupiter's circumference.

    Cassini is a cooperative project of NASA, the European Space Agency and the Italian Space Agency. The Jet Propulsion Laboratory, a division of the California Institute of Technology in Pasadena, manages the Cassini mission for NASA's Office of Space Science, Washington, D.C.

  3. Still from Red Spot Movie

    NASA Technical Reports Server (NTRS)

    2000-01-01

    This image is one of seven from the narrow-angle camera on NASA's Cassini spacecraft assembled as a brief movie of cloud movements on Jupiter. It was taken with a blue filter. The smallest features visible are about 500 kilometers (about 300 miles) across.

    Small bright clouds appear suddenly to the west of the Great Red Spot. Based on data from NASA's Galileo spacecraft, scientists suspect that these small white features are lightning storms, where falling raindrops create an electrical charge. The lightning storms eventually merge with the Red Spot and surrounding jets, and may be the main energy source for these large-scale features. Imaging observations of the darkside of the planet in the weeks following Cassini's closest approach to Jupiter on Dec. 30, 2000 will search for lightning storms like these.

    This image was re-projected by cylindrical-map projection of an image taken in the first week of October 2000. It shows an area from 50 degrees north of Jupiter's equator to 50 degrees south, extending 100 degrees east west, about one quarter of Jupiter's circumference.

    Cassini is a cooperative project of NASA, the European Space Agency and the Italian Space Agency. The Jet Propulsion Laboratory, a division of the California Institute of Technology in Pasadena, manages the Cassini mission for NASA's Office of Space Science, Washington, D.C.

  4. Contact lenses and the red eye.

    PubMed

    Millis, E

    1997-01-01

    Patients wearing contact lenses may present with a red eye which may be either of long-standing or of sudden onset. Causes of this redness range from those of a relatively minor nature to infection of such severity that it threatens the patient's sight. This paper describes the specific aspects of the history to be obtained and the examination to be undertaken in these cases. A comprehensive review is provided of the various causes of red eye in the contact lens wearer.

  5. Remote Sensing of Arctic Environmental Conditions and Critical Infrastructure using Infra-Red (IR) Cameras and Unmanned Air Vehicles (UAVs)

    NASA Astrophysics Data System (ADS)

    Hatfield, M. C.; Webley, P.; Saiet, E., II

    2014-12-01

    Remote Sensing of Arctic Environmental Conditions and Critical Infrastructure using Infra-Red (IR) Cameras and Unmanned Air Vehicles (UAVs) Numerous scientific and logistical applications exist in Alaska and other arctic regions requiring analysis of expansive, remote areas in the near infrared (NIR) and thermal infrared (TIR) bands. These include characterization of wild land fire plumes and volcanic ejecta, detailed mapping of lava flows, and inspection of lengthy segments of critical infrastructure, such as the Alaska pipeline and railroad system. Obtaining timely, repeatable, calibrated measurements of these extensive features and infrastructure networks requires localized, taskable assets such as UAVs. The Alaska Center for Unmanned Aircraft Systems Integration (ACUASI) provides practical solutions to these problem sets by pairing various IR sensors with a combination of fixed-wing and multi-rotor air vehicles. Fixed-wing assets, such as the Insitu ScanEagle, offer long reach and extended duration capabilities to quickly access remote locations and provide enduring surveillance of the target of interest. Rotary-wing assets, such as the Aeryon Scout or the ACUASI-built Ptarmigan hexcopter, provide a precision capability for detailed horizontal mapping or vertical stratification of atmospheric phenomena. When included with other ground capabilities, we will show how they can assist in decision support and hazard assessment as well as giving those in emergency management a new ability to increase knowledge of the event at hand while reducing the risk to all involved. Here, in this presentation, we illustrate how UAV's can provide the ideal tool to map and analyze the hazardous events and critical infrastructure under extreme environmental conditions.

  6. Red cell transfusion "trigger": a review.

    PubMed

    Petrides, Marian

    2003-07-01

    Despite the publication of several consensus guidelines that set forth recommendations for the transfusion of red cells, actual clinical practice continues to vary widely. Animal data and studies in human volunteers and patients support a red cell transfusion threshold of 7 to 8 g/dl in most patients. However, conflicting data, particularly in cardiac patients and in the elderly, suggest that it may be impossible to define a single red cell "trigger" for all patients. A well-designed, randomized, controlled trial is still needed to establish a safe threshold for red cell transfusion in adults with coronary artery disease.

  7. Malignant Melanoma Arising in Red Tattoo Ink

    PubMed Central

    Duff, Gerald; McKenna, Dermot; Regan, Padraic James

    2015-01-01

    We report the case of a 33-year-old male who presented with a malignant melanoma on his anterior chest wall. The lesion was only found in the red ink pigment of the tattoo, as were several in-transit dermal metastases. Possible explanations include a pre-existing lesion which was seeded with red ink or the possibility of the red ink causing an inflammatory reaction leading to malignant transformation. This is the first reported case of a melanoma developing in the red ink pigment of a multi-colored tattoo. PMID:26217569

  8. The effect of a red leaf pigment on the relationship between red edge and chlorophyll concentration

    NASA Technical Reports Server (NTRS)

    Curran, Paul J.; Dungan, Jennifer L.; Macler, Bruce A.; Plummer, Stephen E.

    1991-01-01

    The effect of a leaf pigment - red amaranthin - on red edge and chlorophyll concentration is investigated in amaranth leaves by means of treatments with nitrate and salts. A near-linear relationship between red edge and chlorophyll concentration is observed for leaves with low amaranthin concentration, and no relationship is noted at high concentrations. The study demonstrates the limitation inherent in estimating chlorophyll concentration by using remotely sensed red edge.

  9. The effect of a red leaf pigment on the relationship between red edge and chlorophyll concentration

    NASA Technical Reports Server (NTRS)

    Curran, Paul J.; Dungan, Jennifer L.; Macler, Bruce A.; Plummer, Stephen E.

    1991-01-01

    The effect of a leaf pigment - red amaranthin - on red edge and chlorophyll concentration is investigated in amaranth leaves by means of treatments with nitrate and salts. A near-linear relationship between red edge and chlorophyll concentration is observed for leaves with low amaranthin concentration, and no relationship is noted at high concentrations. The study demonstrates the limitation inherent in estimating chlorophyll concentration by using remotely sensed red edge.

  10. Ratchets, red cells, and metastability.

    PubMed

    Ferrone, Frank A; Aprelev, Alexey

    2013-06-01

    Sickle cell disease is a genetic disorder in which a negatively charged glutamic acid is replaced by a hydrophobic valine on the surface of the hemoglobin molecule, leading to polymerization of the deoxygenated form, and resulting in microvascular obstruction. Because of the high volume occupancy under which polymerization occurs physiologically, this process has been an exemplar in the study of excluded volume effects on assembly. More recently, we have identified yet another type of crowding effect involving the obstruction of the ends at which the polymers grow as a consequence of the dense arrays in which these polymers form. This makes such solutions metastable, and leads to Brownian ratchet behavior in which pressure is exerted outward when the gel occupies a finite volume, as in an emulsion or red cell. Such behavior is capable of holding sickled cells in place in the microcirculation against weak pressure differentials (hundreds of Pa), but not against the typical pressures found in vivo.

  11. Red supergiants as supernova progenitors

    NASA Astrophysics Data System (ADS)

    Davies, Ben

    2017-09-01

    It is now well-established from pre-explosion imaging that red supergiants (RSGs) are the direct progenitors of Type-IIP supernovae. These images have been used to infer the physical properties of the exploding stars, yielding some surprising results. In particular, the differences between the observed and predicted mass spectrum has provided a challenge to our view of stellar evolutionary theory. However, turning what is typically a small number of pre-explosion photometric points into the physical quantities of stellar luminosity and mass requires a number of assumptions about the spectral appearance of RSGs, as well as their evolution in the last few years of life. Here I will review what we know about RSGs, with a few recent updates on how they look and how their appearance changes as they approach supernova. This article is part of the themed issue 'Bridging the gap: from massive stars to supernovae'.

  12. Voyager 1 Red Spot Movie

    NASA Technical Reports Server (NTRS)

    2000-01-01

    This movie shows the portion of Jupiter around the Great Red Spot as it swirls through more than 60 Jupiter days. Notice the difference in speed and direction of the various zones of the atmosphere. The interaction of the atmospheric clouds and storm shows how dynamic the Jovian atmosphere is.

    As Voyager 1 approached Jupiter in 1979, it took images of the planet at regular intervals. This sequence is made from 66 images taken once every Jupiter rotation period (about 10 hours). This time-lapse movie uses images taken every time Jupiter longitude 68W passed under the spacecraft. These images were acquired in the Blue filter from Jan. 6 to Feb. 3 1979. The spacecraft flew from 58 million kilometers to 31 million kilometers from Jupiter during that time.

    This time-lapse movie was produced at JPL by the Image Processing Laboratory in 1979.

  13. Demonstration project cuts red tape

    NASA Astrophysics Data System (ADS)

    Katzoff, Judith A.

    Results from a demonstration project aimed at cutting red tape in federal grants for basic research at universities are "very encouraging" so far, according to Don I. Phillips, executive director of the Government-University-Industry Research Roundtable. The roundtable is coordinating the experimental effort, with the participation of five major federal agencies as well as the Florida state university system and the University of Miami (a private institution in Coral Gables, Fla.).Under the project, special conditions apply to grants from the participating agencies to individual researchers at the participating universities: Investigators do not have to ask the agency's permission for changes in budget allocations, purchases of permanent equipment, or foreign travel. Grant money can be spent up to a year after the grant ends without a special request. Under this plan, researchers, with agency approval, can also ask to have their entire research program covered as a single administrative entity, rather than as several individual projects.

  14. A red metallic oxide photocatalyst

    NASA Astrophysics Data System (ADS)

    Xu, Xiaoxiang; Randorn, Chamnan; Efstathiou, Paraskevi; Irvine, John T. S.

    2012-07-01

    Light absorption across the bandgap in semiconductors is exploited in many important applications such as photovoltaics, light emitting diodes and photocatalytic conversion. Metals differ from semiconductors in that there is no energy gap separating occupied and unoccupied levels; however, it is still possible to excite electrons between bands. This is evidenced by materials with metallic properties that are also strongly coloured. An important question is whether such coloured metals could be used in light harvesting or similar applications. The high conductivity of a metal would preclude sufficient electric field being available to separate photocarriers; however, the high carrier mobility in a metal might also facilitate kinetic charge separation. Here we clearly demonstrate for the first time the use of a red metallic oxide, Sr1-xNbO3 as an effective photocatalyst. The material has been used under visible light to photocatalyse the oxidation of methylene blue and both the oxidation and reduction of water assisted by appropriate sacrificial elements.

  15. Chemical toxicity of red cells.

    PubMed Central

    Piomelli, S

    1981-01-01

    Exposure to toxic chemicals may result in alterations of red cell function. In certain cases, the toxic effect requires a genetic predisposition and thus affects only a restricted number of individuals; in other instances, the toxic effect is exerted on the hematopoietic system of every person. Glucose-6-phosphate dehydrogenase deficiency is probably the most widespread genetic disorder. It is observed at highest frequency in populations from subtropical countries as a result of its selective advantage vis à vis falciparum malaria. The gene controlling this enzyme is located on the X-chromosome; thus, the defect is sex-linked. Individuals with a genetic defect of this enzyme are extremely susceptible to hemolysis, when exposed to oxidant drugs (such as certain antimalarials and sulfonamides) because of the inability of their red cells to regenerate NADPH. Lead poisoning result in profound effects on the process of heme synthesis. Among the steps most sensitive to lead toxicity are the enzyme delta-aminolevulinic acid dehydratase and the intramitochondrial step that leads to the incorporation of iron into protoporphyrin. By these mechanisms, in severe lead intoxication there is an accumulation of large amounts of delta-aminolevulinic acid (a compound with inherent neurotoxicity), and there are abnormalities of mitochondrial function in all cells of the body. Individuals living in an industrialized society are unavoidably exposed to some environmental lead. Recent evidence indicates that, even at levels of exposure which do not increase the blood lead level above values presently considered normal, abnormalities of heme synthesis are clearly detectable. PMID:7016524

  16. Fire effects in northeastern forests: red pine.

    Treesearch

    Cary Rouse

    1988-01-01

    Fire and red pine are closely associated. Fires can provide red pine with the mineral soil and freedom from competition it needs to become well established. Fire can also be used to control pests, increase tree growth, enhance aesthetics, and improve wildlife habitat.

  17. Regulation of anthocyanin biosynthesis in red cabbages

    USDA-ARS?s Scientific Manuscript database

    The color of red cabbage is due to the accumulation of large quantity of anthocyanins. To investigate the general regulatory control of anthocyanin production in red cabbages, the expression of anthocyanin biosynthetic genes and regulators from eight commercial cultivars was examined. While the four...

  18. 33 CFR 117.135 - Red River.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 33 Navigation and Navigable Waters 1 2011-07-01 2011-07-01 false Red River. 117.135 Section 117.135 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Arkansas § 117.135 Red River. The draws of the bridges above...

  19. 33 CFR 117.491 - Red River.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 33 Navigation and Navigable Waters 1 2014-07-01 2014-07-01 false Red River. 117.491 Section 117.491 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.491 Red River. (a) The draw of the Union Pacific...

  20. 33 CFR 117.135 - Red River.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 33 Navigation and Navigable Waters 1 2013-07-01 2013-07-01 false Red River. 117.135 Section 117.135 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Arkansas § 117.135 Red River. The draws of the bridges above...