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1

Adenomyosis in Pakistani women: four year experience at the Aga Khan University Medical Centre, Karachi  

Microsoft Academic Search

As part of a quality assurance programme at the Aga Khan University Medical Centre, Karachi, Pakistan, all hysterectomy specimens were reviewed from January 1986 to December 1989. Adenomyosis was found in 237 of the 419 (56.5%) specimens studied. Of these 237 patients, 232 (97.9%) were parous and 196 (82.8%) were in the fourth and fifth decades of life. This high

H Shaikh; K S Khan

1990-01-01

2

Aga Khan Visual Archives  

NSDL National Science Digital Library

This site is the homepage for the excellent collection of textual and visual resources on Islamic architecture at MIT's Rotch Library. For internauts, the highlight of the site is the World-Wide Tour of Islamic Monuments, which contains 167 sample images from the collection. These are divided into religious architecture, organized alphabetically by country or architectural feature, and non-religious architecture, which includes residential buildings, bazaars, and street views. A thumbnail of each photo is provided for quicker downloading, and the full-size shots are of high quality. Users with a scholarly interest in Islamic architecture will also be very interested in the guides to the textual and visual materials (over 84,000 images) at the Rotch Library. Additional features at the site include links to images and information on Mosques in the US and a collection of links to other Islamic architecture sites.

1997-01-01

3

Mixed Salmonella infection: a report of two cases from the Aga Khan University Hospital, Karachi.  

PubMed

Enteric fever remains a major health problem in the developing world, including Pakistan. Poor sanitation and hygienic conditions are the major predisposing factors. Salmonella infection with different strains in the same patient has rarely been reported previously. We are reporting two cases of bacteraemia with simultaneous detection of two strains of Salmonella in a single episode of infection. In both the cases, 2 different serotypes of Salmonella were causing bacteraemia leading to fever. In highly endemic area, one must be aware of mixed Salmonella infections as inappropriate diagnosis of such infections may lead to treatment failure. PMID:23905456

Sultan, Binish Arif; Fasih, Naima; Qaiser, Saba; Khan, Erum; Zafar, Afia; Irfan, Seema

2013-04-01

4

Predictors of hospital stay and mortality in dengue virus infection-experience from Aga Khan University Hospital Pakistan  

PubMed Central

Background Dengue virus infection (DVI) is very common infection. There is scarcity of data on factor associated with increased hospital stay and mortality in dengue virus infection (DVI). This study was done to know about factors associated with increased hospital stay and mortality in patients admitted with DVI. Results Out of 532 patients, two third (72.6%) had stay ?3 days while one third (27.4%) had stay greater than 3 days. The mean length of hospital stay was 3.46?±?3.45 days. Factors associated with increased hospital stay (>3 days) included AKI (acute kidney injury) (Odd ratio 2.98; 95% CI 1.66-5.34), prolonged prothrombin time (Odd ratio 2.03; 95% CI 1.07-3.84), prolonged activated partial thromboplastin time (aPTT) (Odd ratio 1.80; CI 95% 1.15-2.83) and increased age of?>?41.10 years (Odd ratio 1.03; CI 95% 1.01-1.04).Mortality was 1.5%. High mortality was found in those with AKI (P <0.01), dengue hemorrhagic fever (DHF) and dengue shock syndrome (DSS) (P <0.001), respiratory failure (P0.01), prolong PT (P 0.001), prolong aPTT (P0.01) and increased hospital stay (P0.04). Conclusion Increasing age, coagulopathy and acute kidney injury in patients with DVI is associated with increased hospital stay. Morality was more in patients with AKI, DHF and DSS, respiratory failure, coagulopathy and these patients had more prolonged hospitalization.

2014-01-01

5

Khan Academy  

NSDL National Science Digital Library

The Khan Academy is a "not-for-profit with the goal of changing education for the better by providing a free world-class education to anyone anywhere. " Designed as a type of educational tool and a living archive, the site contains over 2100 videos that include algebra lessons, calculus sessions, cosmology, and developmental math. The "tool" function comes in when visitors discover that they can create their own playlists of these videos for use after signing up for an account. It is a remarkable collection, and other subjects are covered here as well.

Khan, Salman

6

Khan Du Chris.  

National Technical Information Service (NTIS)

The video features Chris, who is deaf, and others with the same disability, as role models talking about their careers. Khan du, and viewers without hearing impairments experience what deafness is and how deprivation of hearing can cause one to feel left ...

1994-01-01

7

Khan Du--A Series.  

National Technical Information Service (NTIS)

Presents an fictional magical character, Khan Du, in different situations to show handicapped children that they can do many things if they develop a positive attitude. Primary audience: Elementary grade students as well as their parents and teachers.

1994-01-01

8

Interview with Dr. Omar Khan, noted global health specialist.  

PubMed

Dr. Khan has had a distinguished career in global health. He has served as a faculty member at the University of Vermont College of Medicine and Johns Hopkins University School of Public Health. He is currently a family medicine physician at Christiana Care Health System in Newark, Delaware, and is President of the Delaware Academy of Family Physicians. Dr. Khan has authored more than 55 peer-reviewed journal articles and book chapters and has conducted research and lead primary care and public health initiatives in numerous countries. Last year, Dr. Khan also coedited a book titled Megacities and Global Health sponsored by the American Public Health Association with Dr. Gregory Pappas, Deputy Health Commissioner for Washington, DC. PMID:22461688

Simmons, Rob; Khubchandani, Jagdish

2012-07-01

9

Khan Du--A Series.  

National Technical Information Service (NTIS)

The videos present Khan du, a magical wizard, in different situations, to show handicapped children that they can do many things if they develop a positive attitude. The primary audience is elementary grade children as well as their parents, and teachers.

1994-01-01

10

Khan Du II--A Series.  

National Technical Information Service (NTIS)

The videos present Khan du, a magical wizard, in different situations, to show handicapped children that they can do many things if they develop a positive attitude. The series combines elements of fantasy, real-life situations, and everyday people to giv...

1994-01-01

11

Disaster drill at a university hospital.  

PubMed

The course of a disaster drill held on 23 October 2001 at Aga Khan University, Karachi is reported. The Hospital Emergency Plan was put to trial on that day. Volunteers were invited to become simulated casualties in the drill. Briefing seminars had been conducted with the key players of the hospital. The scenario was a man-made type disaster. A 747 jumbo jet with 200 passengers had crashed at the end of the runway at Quaid-e-Azam International Airport while taking off in a thunderstorm. Fifty casualties were sent to Emergency Room by ambulance. The Plan was activated and relevant units were mobilized according to the Plan. It took 2 hours to complete the disaster drill. Major difficulties were identified in the operations, communications, staff deployment, and emergency control center. Debriefing sessions reviewed difficulties encountered throughout the drill and the possible remedies. PMID:15816693

Rehmani, Rifat

2005-01-01

12

Can Khan Move the Bell Curve to the Right?  

ERIC Educational Resources Information Center

This article features Khan Academy which offers an online math program and short video lectures embedded in the "module", or math concept, that fit students' goals. By now, more than 1 million people have watched the online video in which Salman Khan--a charming MIT math whiz, Harvard Business School graduate, and former Boston hedge-fund…

Kronholz, June

2012-01-01

13

Khan Academy: the world's free virtual school  

NASA Astrophysics Data System (ADS)

Khan Academy offers an unprecedented set of educational material for science and math education, in the form of short, free, publicly available video clips. With a growing set of already over 2000 videos, it is easily the most exhaustive collection of structured educational material on the Internet. The content is made in digestible 10-20 minute chunks; the granular nature of the material allows learners to fill in almost any of their knowledge "gaps." Importantly, the conversational style used in the videos offers a fresh, new perspective on math and science instruction. With our 2 M funding grant from Google and support from the Gates foundation, we envision covering all topics that would appear in typical high-school or collegiate-level Math and Science courses, and translating these videos to the major languages across the globe. Moreover, we also offer a free and fully integrated assessment system, which allows students to practice problems at their own pace and focus on the appropriate instruction to fill in their individual gaps. Many testimonials have already proven our methods to be a highly successful educational tool. Our goal is to allow educators to improve their teaching, but above all to bring simple, rewarding and enjoyable education to the minds of many young students.

Dijksman, Joshua A.; Khan, Salman

2011-03-01

14

The endo-?-agarases AgaA and AgaB from the marine bacterium Zobellia galactanivorans: two paralogue enzymes with different molecular organizations and catalytic behaviours  

PubMed Central

Two ?-agarase genes, agaA and agaB, were functionally cloned from the marine bacterium Zobellia galactanivorans. The agaA and agaB genes encode proteins of 539 and 353 amino acids respectively, with theoretical masses of 60 and 40 kDa. These two ?-agarases feature homologous catalytic domains belonging to family GH-16. However, AgaA displays a modular architecture, consisting of the catalytic domain (AgaAc) and two C-terminal domains of unknown function which are processed during secretion of the enzyme. In contrast, AgaB is composed of the catalytic module and a signal peptide similar to the N-terminal signature of prokaryotic lipoproteins, suggesting that this protein is anchored in the cytoplasmic membrane. Gel filtration and electrospray MS experiments demonstrate that AgaB is a dimer in solution, while AgaAc is a monomeric protein. AgaAc and AgaB were overexpressed in Escherichia coli and purified to homogeneity. Both enzymes cleave the ?-(1?4) linkages of agarose in a random manner and with retention of the anomeric configuration. Although they behave similarly towards liquid agarose, AgaAc is more efficient than AgaB in the degradation of agarose gels. Given these organizational and catalytic differences, we propose that, reminiscent of the agarolytic system of Pseudoalteromonas atlantica, AgaA is specialized in the initial attack on solid-phase agarose, while AgaB is involved with the degradation of agarose fragments.

2004-01-01

15

Commentary: The Khan Academy and the Day-Night Flipped Classroom  

ERIC Educational Resources Information Center

Teaching by night and reflecting on a subject by day is the way that Salman Khan sees education evolving in the age of online lectures. Khan believes he is onto something in what he styles the "flipped classroom." In Khan's view, there is no need for students to be divided into grades by age. Instead, they should learn at their own pace, moving on…

Parslow, Graham R.

2012-01-01

16

Khan Du II--A Series (Captioned Version).  

National Technical Information Service (NTIS)

The videos present Khan du, a magical wizard, in different situations, to show handicapped children that they can do many things if they develop a positive attitude. The series combines elements of fantasy, real-life situations, and everyday people to giv...

1994-01-01

17

The Molecular Mechanism of Thermostable ?-Galactosidases AgaA and AgaB Explained by X-ray Crystallography and Mutational Studies*  

PubMed Central

The ?-galactosidase AgaA from the thermophilic microorganism Geobacillus stearothermophilus has great industrial potential because it is fully active at 338 K against raffinose and can increase the yield of manufactured sucrose. AgaB has lower affinity for its natural substrates but is a powerful tool for the enzymatic synthesis of disaccharides by transglycosylation. These two enzymes have 97% identity and belong to the glycoside hydrolase (GH) family GH36 for which few structures are available. To understand the structural basis underlying the differences between these two enzymes, we determined the crystal structures of AgaA and AgaB by molecular replacement at 3.2- and 1.8 ?-resolution, respectively. We also solved a 2.8-? structure of the AgaAA355E mutant, which has enzymatic properties similar to those of AgaB. We observe that residue 355 is located 20 ? away from the active site and that the A355E substitution causes structural rearrangements resulting in a significant displacement of the invariant Trp336 at catalytic subsite ?1. Hence, the active cleft of AgaA is narrowed in comparison with AgaB, and AgaA is more efficient than AgaB against its natural substrates. The structure of AgaAA355E complexed with 1-deoxygalactonojirimycin reveals an induced fit movement; there is a rupture of the electrostatic interaction between Glu355 and Asn335 and a return of Trp336 to an optimal position for ligand stacking. The structures of two catalytic mutants of AgaAA355E complexed with raffinose and stachyose show that the binding interactions are stronger at subsite ?1 to enable the binding of various ?-galactosides.

Merceron, Romain; Foucault, Marine; Haser, Richard; Mattes, Ralf; Watzlawick, Hildegard; Gouet, Patrice

2012-01-01

18

Mixing mechanisms in siliciclastic-carbonate successions of Khan Formation (Permian), Central Iran  

NASA Astrophysics Data System (ADS)

Mixing mechanisms in siliciclastic-carbonate successions of Khan Formation (Permian), Central Iran M. Shadan & M. Hosseini-Barzi Geology Department, Faculty of Earth Science, Shahid Beheshti University, Tehran, Iran shadangeo@gmail.com Mixing mechanisms in siliciclastic-carbonate successions of Khan Formation (Permian) have been studied in two sections (Chahroof with 197 m thick in north and Cheshmeh Bakhshi with 204 m thick in south) along basement Kalmard fault in Posht-e-Badam block, Central Iran. Siliciclastic units are characterized by well sorted, fine to medium grain quartzarenites with laterite interbeds, deposited in shoreline zone (foreshore, upper and lower shoreface) influencing wave and longshore currents. Longshore sands which have been transported along the coast made the sand bars in the shoreface. Further along the coast, returning of these currents as rip currents produced erosive channel inlets and caused to carry fine grain into the deeper regions of the basin. Based on this sedimentary model we introduced longshore currents as a probable agent for mixing, by transporting some volumes of sands into the adjacent carbonate environments. Vertically, clastic units of Khan Formation underlined by carbonate units of a tidal flat and high-energy inner ramp system. Repeating of this pattern produced 3 cycles in each section. Cyclic evolution, in studied sections, is accompanied with discrepancy in erosion and sedimentation. These factors caused to disperse local sub-aerial exposures in successions which are recognizable by laterite and conglomerate interbeds. These horizons of sub-aerial exposures are more often in Chahroof section than in Cheshmeh Bakhshi section and indicate more fluctuations of relative sea level probably due to more local tectonic activity in the northern part of the Kalmard fault than in the southern part of it. Also, thicker siliciclastic units in Chahroof section show higher rate of sediment supply and/or more accommodation space there. Moreover, the late Paleozoic glacial conditions in Gondwana lands supported the large volume of clastic supply into the basin by intense weathering and erosion of vast exposed regions in Posht-e-Badam block. Also, tectonic activity along Kalmard basement fault mainly controlled local sea level changes and lithology of outcrops in the hinterlands. Therefore, interplay of these factors during lowstand of relative sea level, with lower accommodation space and higher gradient led to high rate of sediment input and distribution of siliciclastics in the base of each cycles. In contrast, relative sea level rises have been corresponded to the more accommodation space and reducing of siliciclastic entrance into the sedimentary basin that made a suitable condition for carbonate production. Therefore, during relative sea level rise, verities of carbonate-producing organisms tend to more rates of biogenic carbonate products and eventually formation of carbonate units upon the preexistence silisiclastics. Therefore, mixing of siliciclastics with carbonate deposits in Khan Formation have mainly been controlled temporally by sea level fluctuations due to local and/or eustatic sea level changes and spatially by variations in local tectonic activities and lateral facies mixing by longshore currents.

Shadan, Mahdi; Hosseini-Barzi, Mahboubeh

2010-05-01

19

Comparison of Natural Gas Storage Estimates from the EIA and AGA  

EIA Publications

The Energy Information Administration (EIA) has been publishing monthly storage information for years. In order to address the need for more timely information, in 1994 the American Gas Association (AGA) began publishing weekly storage levels. Both the EIA and the AGA series provide estimates of the total working gas in storage, but use significantly different methodologies.

Information Center

1997-10-01

20

Expression Levels Influence Ribosomal Frameshifting at the Tandem Rare Arginine Codons AGG_AGG and AGA_AGA in Escherichia coli  

PubMed Central

The rare codons AGG and AGA comprise 2% and 4%, respectively, of the arginine codons of Escherichia coli K-12, and their cognate tRNAs are sparse. At tandem occurrences of either rare codon, the paucity of cognate aminoacyl tRNAs for the second codon of the pair facilitates peptidyl-tRNA shifting to the +1 frame. However, AGG_AGG and AGA_AGA are not underrepresented and occur 4 and 42 times, respectively, in E. coli genes. Searches for corresponding occurrences in other bacteria provide no strong support for the functional utilization of frameshifting at these sequences. All sequences tested in their native context showed 1.5 to 11% frameshifting when expressed from multicopy plasmids. A cassette with one of these sequences singly integrated into the chromosome in stringent cells gave 0.9% frameshifting in contrast to two- to four-times-higher values obtained from multicopy plasmids in stringent cells and eight-times-higher values in relaxed cells. Thus, +1 frameshifting efficiency at AGG_AGG and AGA_AGA is influenced by the mRNA expression level. These tandem rare codons do not occur in highly expressed mRNAs.

Gurvich, Olga L.; Baranov, Pavel V.; Gesteland, Raymond F.; Atkins, John F.

2005-01-01

21

Long-lost relations of Genghis Khan sought by London restaurant  

NSDL National Science Digital Library

The Legacy of Genghis Khan [Macromedia Flash Reader]http://www.lacma.org/khan/index_flash.htmModern Mongolia: Reclaiming Genghis Khanhttp://www.museum.upenn.edu/Mongolia/index.shtmlOfficial Website of the Government Organizations of Mongoliahttp://www.pmis.gov.mn/presi_eng.htmOxford Ancestorshttp://www.oxfordancestors.com/Shishhttp://www.shish.com/DNA testing has received great prominence in the international media as of late, largely due to its use in highly publicized courtroom battles and in unraveling the genealogical histories of numerous families of note. One London restaurant (which specializes in grilled kebabs) has taken this practice one step further by offering one free DNA test each day this week to determine whether any of patrons might in fact be related to the legendary Mongol ruler Genghis Khan. The firm doing the DNA testing, Oxford Ancestors, says up to 17 million men in Central Asia share a pattern of Y chromosomes that indicates a common ancestor in their shared familial past. Since there are no verified tissue samples from Genghis Khan, these genetic tests are based on an assessment of probabilities. The response thus far has been rather overwhelming, as Hugo Malik (a bar manager at the popular London eatery offering the tests) noted recently: "We've had Mongolian people who've traveled across London to give us their details. They said, 'Grandad always used to tell us we were descended from Genghis Khan.'"

22

Securing DNP3 and Modbus with AGA12-2J  

Microsoft Academic Search

This paper describes the use of the American Gas Association AGA 12-2 Standard for the encryption of SCAD A communication messages. This encryption can be added as a wrapper layer to byte-oriented protocols such as DNP3 and Modbus and consequently can be applied to existing communication systems. AGA 12-2 complies with the upcoming IEEE 1689 and IEEE 1711 standards for

2008-01-01

23

[Distribution of the male lineages of Genghis Khan's descendants in northern Eurasian populations].  

PubMed

Data on the variation of 12 microsatellite loci of Y-chromosome haplogroup C3 were used to screen lineages included in the cluster of Genghis Khan's descendants in 18 northern Eurasian populations (Altaian Kazakhs, Altaians-Kizhi, Teleuts, Khakassians, Shorians, Tyvans, Todjins, Tofalars, Sojots, Buryats, Khamnigans, Evenks, Mongols, Kalmyks, Tajiks, Kurds, Persians, and Russians; the total sample size was 1437 people). The highest frequency of haplotypes from the cluster of the Genghis Khan's descendants was found in Mongols (34.8%). In Russia, this cluster was found in Altaian Kazakhs (8.3%), Altaians (3.4%), Buryats (2.3%), Tyvans (1.9%), and Kalmyks (1.7%). PMID:17486763

Derenko, M V; Maliarchuk, B A; Wozniak, M; Denisova, G A; Dambueva, I K; Dorzhu, C M; Grzybowski, T; Zakharov, I A

2007-03-01

24

Parents' Attitude toward Daughters' Education in Tribal Area of Dera Ghazi Khan (Pakistan)  

ERIC Educational Resources Information Center

The paper aimed to investigate the parents' attitudes toward their daughters' education in tribal areas of district Dera Ghazi Khan (Pakistan). To achieve the objectives four research questions were established. Focus of the questions was to examine the significance of girls' education for tribal parents. Existing and expected role of tribal…

Buzdar, Muhammad Ayub; Ali, Akhtar

2011-01-01

25

KHAN DU! II. Final Project Performance Report, November 1, 1978-September 30, 1979.  

ERIC Educational Resources Information Center

This KHAN DU! project produced four half-hour television programs in the area of career education with emphasis on the handicapped, plus an extra nonbroadcast program designed for teachers. The four-program series was designed for children aged eight to eleven, although older children have responded favorably. The goals of the series were (1) to…

KLRN/KLRU-TV, Austin, TX.

26

Cloning and characterization of ?-agarase AgaYT from Flammeovirga yaeyamensis strain YT.  

PubMed

A bacterium with potent agar-degrading capability was isolated from the surface of a red algae, Gracilaria tenuistipitata. Based on phenotypic characteristics, 16S rDNA gene sequence and a phylogenetic analysis, this bacterium was identified and named as Flammeovirga yaeyamensis strain YT. PCR using homology-based degenerate primers was employed to clone any agarase gene belonging to GH16 family encoded in F. yaeyamensis strain YT. The resolved 1512 nucleotides revealed that the cloned gene, namely AgaYT, encodes a protein of 503 amino acids comprising a signal peptide, a glycosyl hydrolase catalytic module and a C-terminal domain with an unknown function. The recombinant protein r-AgaYT is an endo-type ?-agarase hydrolyzing agarose to yield neoagarobiose and neoagarotetraose as the main hydrolytic products. The specific activity of r-AgaYT was determined about 178.6 U mg(-1) at 40°C and pH 8.0. PMID:21715227

Yang, Jing-Iong; Chen, Lei-Chin; Shih, Yuan-Yuan; Hsieh, Chienyan; Chen, Chien-Yen; Chen, Wen-Ming; Chen, Chien-Cheng

2011-09-01

27

Future Air-Ground-Air Communication Subsystem Investigation. Part B. Characterization of the Present ATC A/G/a Communication Subsystem and Its Environment. Volume III.  

National Technical Information Service (NTIS)

Contents: Quantitative characterization of present center A/G/A communications subsystem; Quantitative characterization of present terminal area A/G/A communication subsystem; Communication traffic flow and performance.

1966-01-01

28

Genghis Khan (Gek) as a Putative Effector for Drosophila Cdc42 and Regulator of Actin Polymerization  

Microsoft Academic Search

The small GTPases Cdc42 and Rac regulate a variety of biological processes, including actin polymerization, cell proliferation, and JNK\\/mitogen-activated protein kinase activation, conceivably via distinct effectors. Whereas the effector for mitogen-activated protein kinase activation appears to be p65PAK, the identity of effector(s) for actin polymerization remains unclear. We have found a putative effector for Drosophila Cdc42, Genghis Khan (Gek), which

Liqun Luo; Tzumin Lee; Linus Tsai; Gale Tang; Lily Y. Jan; Yuh Nung Jan

1997-01-01

29

Cloning, expression, and biochemical characterization of a novel GH16 ?-agarase AgaG1 from Alteromonas sp. GNUM-1.  

PubMed

Alteromonas sp. GNUM-1 is known to degrade agar, the main cell wall component of red macroalgae, for their growth. A putative agarase gene (agaG1) was identified from the mini-library of GNUM-1, when extracellular agarase activity was detected in a bacterial transformant. The nucleotide sequence revealed that AgaG1 had significant homology to GH16 agarases. agaG1 encodes a primary translation product (34.7 kDa) of 301 amino acids, including a 19-amino-acid signal peptide. For intracellular expression, a gene fragment encoding only the mature form (282 amino acids) was cloned into pGEX-5X-1 in Escherichia coli, where AgaG1 was expressed as a fusion protein with GST attached to its N-terminal (GST-AgaG1). GST-AgaG1 purified on a glutathione sepharose column had an apparent molecular weight of 59 kDa on SDS-PAGE, and this weight matched with the estimated molecular weight (58.7 kDa). The agarase activity of the purified protein was confirmed by the zymogram assay. GST-AgaG1 could hydrolyze the artificial chromogenic substrate, p-nitrophenyl-?-D-galactopyranoside but not p-nitrophenyl-?-D-galactopyranoside. The optimum pH and temperature for GST-AgaG1 activity were identified as 7.0 and 40 °C, respectively. GST-AgaG1 was stable up to 40 °C (100 %), and it retained more than 70 % of its initial activity at 45 °C after heat treatment for 30 min. The K m and V max for agarose were 3.74 mg/ml and 23.8 U/mg, respectively. GST-AgaG1 did not require metal ions for its activity. Thin layer chromatography analysis, mass spectrometry, and (13)C-nuclear magnetic resonance spectrometry of the GST-AgaG1 hydrolysis products revealed that GST-AgaG1 is an endo-type ?-agarase that hydrolyzes agarose and neoagarotetraose into neoagarobiose. PMID:24463762

Chi, Won-Jae; Park, Da Yeon; Seo, Young Bin; Chang, Yong Keun; Lee, Soon-Youl; Hong, Soon-Kwang

2014-05-01

30

Ex-vivo assessment and non-invasive in vivo imaging of internal hemorrhages in Aga2/+ mutant mice  

SciTech Connect

Highlights: ? Aga2/+ mice, model for Osteogenesis imperfecta, have type I collagen mutation. ? Aga2/+ mice display both moderate and severe phenotypes lethal 6–11th postnatal. ? Internal hemorrhages studied in Aga2/+ vs. control mice at 6 and 9 days postnatal. ? Anatomical and functional findings in-vivo contrasted to the ex-vivo appearance. -- Abstract: Mutations in type I collagen genes (COL1A1/2) typically lead to Osteogenesis imperfecta, the most common heritable cause of skeletal fractures and bone deformation in humans. Heterozygous Col1a1{sup Aga2/+}, animals with a dominant mutation in the terminal C-propeptide domain of type I collagen develop typical skeletal hallmarks and internal hemorrhages starting from 6 day after birth. The disease progression for Aga2/+ mice, however, is not uniform differing between severe phenotype lethal at the 6–11th day of life, and moderate-to-severe one with survival to adulthood. Herein we investigated whether a new modality that combines X-ray computer tomography with fluorescence tomography in one hybrid system can be employed to study internal bleedings in relation to bone fractures and obtain insights into disease progression. The disease phenotype was characterized on Aga2/+ vs. wild type mice between 6 and 9 days postnatal. Anatomical and functional findings obtained in-vivo were contrasted to the ex-vivo appearance of the same tissues under cryo-slicing.

Ermolayev, Vladimir [Institute for Biological and Medical Imaging, Helmholtz Zentrum München, Building 56, Ingolstädter Landstraße 1, D-85764 Neuherberg (Germany)] [Institute for Biological and Medical Imaging, Helmholtz Zentrum München, Building 56, Ingolstädter Landstraße 1, D-85764 Neuherberg (Germany); Cohrs, Christian M. [Institute for Experimental Genetics, Helmholtz Zentrum München, Ingolstädter Landstraße 1, D-85764 Neuherberg (Germany)] [Institute for Experimental Genetics, Helmholtz Zentrum München, Ingolstädter Landstraße 1, D-85764 Neuherberg (Germany); Mohajerani, Pouyan; Ale, Angelique [Institute for Biological and Medical Imaging, Helmholtz Zentrum München, Building 56, Ingolstädter Landstraße 1, D-85764 Neuherberg (Germany)] [Institute for Biological and Medical Imaging, Helmholtz Zentrum München, Building 56, Ingolstädter Landstraße 1, D-85764 Neuherberg (Germany); Hrabé de Angelis, Martin [Institute for Experimental Genetics, Helmholtz Zentrum München, Ingolstädter Landstraße 1, D-85764 Neuherberg (Germany)] [Institute for Experimental Genetics, Helmholtz Zentrum München, Ingolstädter Landstraße 1, D-85764 Neuherberg (Germany); Ntziachristos, Vasilis, E-mail: v.ntziachristos@tum.de [Institute for Biological and Medical Imaging, Helmholtz Zentrum München, Building 56, Ingolstädter Landstraße 1, D-85764 Neuherberg (Germany)] [Institute for Biological and Medical Imaging, Helmholtz Zentrum München, Building 56, Ingolstädter Landstraße 1, D-85764 Neuherberg (Germany)

2013-03-08

31

Universe  

NSDL National Science Digital Library

The Universe SciPack explores the ways scientists learn about the universe and the current ideas about the origins and formation of the universe. The focus is on Standards and Benchmarks related to the universe including how the universe was formed, formation and destruction of stars and characteristics of the sun and stars in terms of size and composition.In addition to comprehensive inquiry-based learning materials tied to Science Education Standards and Benchmarks, the SciPack includes the following additional components:� Pedagogical Implications section addressing common misconceptions, teaching resources and strand maps linking grade band appropriate content to standards. � Access to one-on-one support via e-mail to content "Wizards".� Final Assessment which can be used to certify mastery of the concepts.Learning Outcomes:Universe: How We Know What We Know� Select the right instrument given something specific to learn about the universe.� Describe, in simple terms, how scientists analyze light to learn about objects in the universe.� Describe what the study of light can tell us about objects in the universe.� Understand the various parts of the electromagnetic spectrum and how the various wavelengths can provide astronomers with different information.� Recognize that astronomers study a wide range of electromagnetic waves, not restricted to visible light.Universe: The Sun as a Star� Reject common misconceptions, such as stars are bits of the Sun. � List characteristics of the Sun that match the definition of a star.� Accurately compare and contrast the characteristics of the Sun with other stars (e.g., mass, distance, size, color).� Recognize the rough ratio of the distance to the Sun and the distance to the next nearest stars on a human scale (i.e., if the sun is 10 feet away, roughly how far is the next nearest star?).� Select the rough estimate of the travel time (at speed of light) to next nearest star from a list.� Describe how astronomers determined that the stars were just like the Sun.Universe: Birth, Life, and Death of Stars� Recount key aspects of the stellar life cycle. � Recognize the variables and conditions that would be needed to make predictions about the life cycle of a star, including the prominent role of initial mass. � Determine whether a reasonable prediction can be made, given certain knowns and unknowns.� Explain how the elements that compose our planet and solar system (and the rest of the universe) were formed.� Explain where the energy released by our Sun and other stars comes from.Universe: The Universe Beyond our Solar System� Arrange various objects in order of size and distance, ranging from space probes and moons to galaxies and galactic clusters.� Catalogue, in simple terms, the objects within a galaxy.� Generally explain "what is within what" (planetary systems, star clusters, galaxies, etc.).� Describe the location of our solar system within the Milky Way galaxy.� Describe the limitations of using parallax, radar, and brightness to measure the distance of objects from Earth, and classify objects whose distance from Earth could be accurately measured using each type of measurement strategy.Universe: The Origin and Evolution of the Universe� Provide a basic description of the conditions at the beginning of the universe.� Give the approximate age of the universe.� Recognize the scientific account of the current state of the universe given different explanations.� Explain the evidence for an expanding universe.� Describe, in simple terms, how scientists use observations of position and motion to learn about objects in the universe.

National Science Teachers Association (NSTA)

2007-03-21

32

Cardiopulmonary dysfunction in the Osteogenesis imperfecta mouse model Aga2 and human patients are caused by bone-independent mechanisms.  

PubMed

Osteogenesis imperfecta (OI) is an inherited connective tissue disorder with skeletal dysplasia of varying severity, predominantly caused by mutations in the collagen I genes (COL1A1/COL1A2). Extraskeletal findings such as cardiac and pulmonary complications are generally considered to be significant secondary features. Aga2, a murine model for human OI, was systemically analyzed in the German Mouse Clinic by means of in vivo and in vitro examinations of the cardiopulmonary system, to identify novel mechanisms accounting for perinatal lethality. Pulmonary and, especially, cardiac fibroblast of perinatal lethal Aga2/+ animals display a strong down-regulation of Col1a1 transcripts in vivo and in vitro, resulting in a loss of extracellular matrix integrity. In addition, dysregulated gene expression of Nppa, different types of collagen and Agt in heart and lung tissue support a bone-independent vicious cycle of heart dysfunction, including hypertrophy, loss of myocardial matrix integrity, pulmonary hypertension, pneumonia and hypoxia leading to death in Aga2. These murine findings are corroborated by a pediatric OI cohort study, displaying significant progressive decline in pulmonary function and restrictive pulmonary disease independent of scoliosis. Most participants show mild cardiac valvular regurgitation, independent of pulmonary and skeletal findings. Data obtained from human OI patients and the mouse model Aga2 provide novel evidence for primary effects of type I collagen mutations on the heart and lung. The findings will have potential benefits of anticipatory clinical exams and early intervention in OI patients. PMID:22589248

Thiele, Frank; Cohrs, Christian M; Flor, Armando; Lisse, Thomas S; Przemeck, Gerhard K H; Horsch, Marion; Schrewe, Anja; Gailus-Durner, Valerie; Ivandic, Boris; Katus, Hugo A; Wurst, Wolfgang; Reisenberg, Catherine; Chaney, Hollis; Fuchs, Helmut; Hans, Wolfgang; Beckers, Johannes; Marini, Joan C; Hrabé de Angelis, Martin

2012-08-15

33

Cardiopulmonary dysfunction in the Osteogenesis imperfecta mouse model Aga2 and human patients are caused by bone-independent mechanisms  

PubMed Central

Osteogenesis imperfecta (OI) is an inherited connective tissue disorder with skeletal dysplasia of varying severity, predominantly caused by mutations in the collagen I genes (COL1A1/COL1A2). Extraskeletal findings such as cardiac and pulmonary complications are generally considered to be significant secondary features. Aga2, a murine model for human OI, was systemically analyzed in the German Mouse Clinic by means of in vivo and in vitro examinations of the cardiopulmonary system, to identify novel mechanisms accounting for perinatal lethality. Pulmonary and, especially, cardiac fibroblast of perinatal lethal Aga2/+ animals display a strong down-regulation of Col1a1 transcripts in vivo and in vitro, resulting in a loss of extracellular matrix integrity. In addition, dysregulated gene expression of Nppa, different types of collagen and Agt in heart and lung tissue support a bone-independent vicious cycle of heart dysfunction, including hypertrophy, loss of myocardial matrix integrity, pulmonary hypertension, pneumonia and hypoxia leading to death in Aga2. These murine findings are corroborated by a pediatric OI cohort study, displaying significant progressive decline in pulmonary function and restrictive pulmonary disease independent of scoliosis. Most participants show mild cardiac valvular regurgitation, independent of pulmonary and skeletal findings. Data obtained from human OI patients and the mouse model Aga2 provide novel evidence for primary effects of type I collagen mutations on the heart and lung. The findings will have potential benefits of anticipatory clinical exams and early intervention in OI patients.

Thiele, Frank; Cohrs, Christian M.; Flor, Armando; Lisse, Thomas S.; Przemeck, Gerhard K. H.; Horsch, Marion; Schrewe, Anja; Gailus-Durner, Valerie; Ivandic, Boris; Katus, Hugo A.; Wurst, Wolfgang; Reisenberg, Catherine; Chaney, Hollis; Fuchs, Helmut; Hans, Wolfgang; Beckers, Johannes; Marini, Joan C.; Hrabe de Angelis, Martin

2012-01-01

34

A simple algorithm for optimization and model fitting: AGA (asexual genetic algorithm)  

NASA Astrophysics Data System (ADS)

Context: Mathematical optimization can be used as a computational tool to obtain the optimal solution to a given problem in a systematic and efficient way. For example, in twice-differentiable functions and problems with no constraints, the optimization consists of finding the points where the gradient of the objective function is zero and using the Hessian matrix to classify the type of each point. Sometimes, however it is impossible to compute these derivatives and other type of techniques must be employed such as the steepest descent/ascent method and more sophisticated methods such as those based on the evolutionary algorithms. Aims: We present a simple algorithm based on the idea of genetic algorithms (GA) for optimization. We refer to this algorithm as AGA (asexual genetic algorithm) and apply it to two kinds of problems: the maximization of a function where classical methods fail and model fitting in astronomy. For the latter case, we minimize the chi-square function to estimate the parameters in two examples: the orbits of exoplanets by taking a set of radial velocity data, and the spectral energy distribution (SED) observed towards a YSO (Young Stellar Object). Methods: The algorithm AGA may also be called genetic, although it differs from standard genetic algorithms in two main aspects: a) the initial population is not encoded; and b) the new generations are constructed by asexual reproduction. Results: Applying our algorithm in optimizing some complicated functions, we find the global maxima within a few iterations. For model fitting to the orbits of exoplanets and the SED of a YSO, we estimate the parameters and their associated errors.

Cantó, J.; Curiel, S.; Martínez-Gómez, E.

2009-07-01

35

Simulation of seawater intrusion into the Khan Yunis area of the Gaza Strip coastal aquifer  

NASA Astrophysics Data System (ADS)

The Gaza Strip coastal aquifer is under severe hydrological stress due to over-exploitation. Excessive pumping during the past decades in the Gaza region has caused a significant lowering of groundwater levels, altering in some regions the normal transport of salts into the sea and reversing the gradient of groundwater flow. The sharp increase in chloride concentrations in groundwater indicates intrusion of seawater and/or brines from the western part of the aquifer near the sea. Simulations of salt-water intrusion were carried out using a two-dimensional density-dependent flow and transport model SUTRA (Voss 1984). This model was applied to the Khan Yunis section of the Gaza Strip aquifer. Simulations were done under an assumption that pumping rates increase according to the rate of population growth, or about 3.8% a year. Model parameters were estimated using available field observations. Numerical simulations show that the rate of seawater intrusion during 1997-2006 is expected to be 20-45 m/yr. The results lead to a better understanding of aquifer salinization due to seawater intrusion and give some estimate of the rate of deterioration of groundwater.

Yakirevich, A.; Melloul, A.; Sorek, S.; Shaath, S.; Borisov, V.

1998-12-01

36

Google, Mathletics and Khan Academy: students' self-initiated use of online mathematical resources  

NASA Astrophysics Data System (ADS)

Today's students increasingly engage in online environments, with ready access to digital resources and mobile technologies. While much of this activity is socially motivated, the internet is also a source of knowledge for students and frequently accessed for school assignments, projects and assessment purposes. As mathematics continues to be an area in which many students experience difficulties, it is not surprising that a recent Google search produced 57,600,000 results for `help with mathematics'. Current research, however, is limited in terms of documenting students' use of such resources, particularly when they are self-initiated and often accessed in an out of classroom environment. This paper reports on a study that investigated the use of mathematical online resources accessed by students in Grades 5-9, with a particular focus on evaluating the effectiveness of Khan Academy, an online tutorial site. Data collected through surveys and interviews showed that while students did access online sites, particularly in the later years of schooling, they varied in both their reasons for doing so and their perceptions of how useful these sites were. The findings add to the limited research in this area and have practical implications for students and teachers, including the potential to challenge the traditional role of the teacher.

Muir, Tracey

2014-06-01

37

Deriving surface motion of mountain glaciers in the Tuomuer-Khan Tengri Mountain Ranges from PALSAR images  

NASA Astrophysics Data System (ADS)

Glaciers flow velocity is an important parameter for the study of glacier dynamics, mass balance and climate change, and can provide precursory warning of glacier melting induced flooding, debris flowing, etc. The Tuomuer-Khan Tengri Mountain Range is one of the largest glaciated areas in Tian Shan Mountain. However, the knowledge of glacier motion in this area is still rather limited. Using the method of robust Offset-tracking and four pairs of PALSAR images covering the Tuomuer-Khan Tengri Mountain Range, this paper estimates the displacement fields of the mountain glaciers in this area for each pair. The displacement fields are then mapped into daily glacier flow velocities by dividing the acquiring intervals of each pair. Using a series of checkpoints selected in stationary areas where the displacements can be assumed to be zero, we evaluate the estimation error of the displacement fields and find that most of them are less than 2.17 cm/day. The displacement fields are analyzed in detail with regards to glacier bed terrain and glacial temperature and thickness. We find that they are in excellent accordance with the flow characteristic of typical mountain glaciers. The velocity changes among the observation years have been carefully examined. This along with the associated runoff measurements makes us conclude that the glaciers in the Tuomuer-Khan Tengri Range are assumedly in dynamic equilibrium between intensified melting and increased precipitation and glaciation, and their velocity will maintain stable in the near future. We also find that the altitudes of the velocity peaks are close to the recorded snowline, which indicates that detecting the changes of velocity peaks' position might provide a reference for monitoring the changes of the snowlines.

Li, Jia; Li, Zhiwei; Zhu, Jianjun; Ding, Xiaoli; Wang, Changcheng; Chen, Jianli

2013-02-01

38

Ex-vivo assessment and non-invasive in vivo imaging of internal hemorrhages in Aga2/+ mutant mice.  

PubMed

Mutations in type I collagen genes (COL1A1/2) typically lead to Osteogenesis imperfecta, the most common heritable cause of skeletal fractures and bone deformation in humans. Heterozygous Col1a1(Aga2/+), animals with a dominant mutation in the terminal C-propeptide domain of type I collagen develop typical skeletal hallmarks and internal hemorrhages starting from 6 day after birth. The disease progression for Aga2/+ mice, however, is not uniform differing between severe phenotype lethal at the 6-11th day of life, and moderate-to-severe one with survival to adulthood. Herein we investigated whether a new modality that combines X-ray computer tomography with fluorescence tomography in one hybrid system can be employed to study internal bleedings in relation to bone fractures and obtain insights into disease progression. The disease phenotype was characterized on Aga2/+ vs. wild type mice between 6 and 9 days postnatal. Anatomical and functional findings obtained in-vivo were contrasted to the ex-vivo appearance of the same tissues under cryo-slicing. PMID:23333738

Ermolayev, Vladimir; Cohrs, Christian M; Mohajerani, Pouyan; Ale, Angelique; Hrabé de Angelis, Martin; Ntziachristos, Vasilis

2013-03-01

39

?-Galactosidase/Sucrose Kinase (AgaSK), a Novel Bifunctional Enzyme from the Human Microbiome Coupling Galactosidase and Kinase Activities*  

PubMed Central

?-Galactosides are non-digestible carbohydrates widely distributed in plants. They are a potential source of energy in our daily food, and their assimilation by microbiota may play a role in obesity. In the intestinal tract, they are degraded by microbial glycosidases, which are often modular enzymes with catalytic domains linked to carbohydrate-binding modules. Here we introduce a bifunctional enzyme from the human intestinal bacterium Ruminococcus gnavus E1, ?-galactosidase/sucrose kinase (AgaSK). Sequence analysis showed that AgaSK is composed of two domains: one closely related to ?-galactosidases from glycoside hydrolase family GH36 and the other containing a nucleotide-binding motif. Its biochemical characterization showed that AgaSK is able to hydrolyze melibiose and raffinose to galactose and either glucose or sucrose, respectively, and to specifically phosphorylate sucrose on the C6 position of glucose in the presence of ATP. The production of sucrose-6-P directly from raffinose points toward a glycolytic pathway in bacteria, not described so far. The crystal structures of the galactosidase domain in the apo form and in complex with the product shed light onto the reaction and substrate recognition mechanisms and highlight an oligomeric state necessary for efficient substrate binding and suggesting a cross-talk between the galactose and kinase domains.

Bruel, Laetitia; Sulzenbacher, Gerlind; Cervera Tison, Marine; Pujol, Ange; Nicoletti, Cendrine; Perrier, Josette; Galinier, Anne; Ropartz, David; Fons, Michel; Pompeo, Frederique; Giardina, Thierry

2011-01-01

40

Pilot Study of 15 Patients Receiving a New Treatment Regimen for Androgenic Alopecia: The Effects of Atopy on AGA.  

PubMed

Background. We examined the efficacy of a new regimen to treat AGA, with attention to male patients who are atopic. Objective. To assess the efficacy of a four-part regimen for the treatment of AGA in atopic and nonatopic patients. NuH Hair is a novel topical combination of finasteride, dutasteride, and minoxidil, which is blended in a hypoallergenic lotion. The other three components included Rogaine foam, Propecia, and ketoconazole shampoo. Methods. A prospective pilot study was conducted in 15 patients. All patients were assessed for the presence of atopy. Each patient served as their own control. All patients were treated specifically with NuH Hair and were given the option to add any of the other components of the protocol to their regimen. Photographs were taken of each patient's scalp at months 0, 1, 3, 6, and 9. Results. All 15 patients demonstrated significant growth of hair. In those patients who utilized all 4 components, significant growth was achieved in as little as 30 days. In those patients who choose only to utilize NuH Hair, significant growth was demonstrated after 3 months. Conclusion. Aggressively treating AGA achieves significant and rapid growth of new hair. This is effective in atopic and nonatopic male patients. PMID:22363845

Rafi, A W; Katz, R M

2011-01-01

41

The magnetostratigraphy of the Chitarwata and lower Vihowa formations of the Dera Ghazi Khan area, Pakistan  

NASA Astrophysics Data System (ADS)

Three sections of the Chitarwata and lower Vihowa formations were sampled along the Dalana River on the southeastern flank of the Zinda Pir Dome in the southern Sulaiman Range near Dera Ghazi Khan, Pakistan. Together they provide nearly 800 m of a continuous sedimentary record of the Miocene derived from the uplifted Himalayan highlands. Previous studies have examined the Middle and Upper Miocene sediments, the Siwalik Group, of the Potwar Plateau to the north. However, detailed investigations of earlier periods are impossible in that area due to the absence of Oligocene and Lower Miocene sediments caused by continued overthrusting associated with the Himalayan orogeny. Fortunately, the Sulaiman basin to the south, which was further removed from the tectonic activity, provides a record of the Early Miocene in the form of the Chitarwata Formation. The Dalana A, B, and C sections (DGA, DGB, and DGC) were examined and sampled for this study. A magnetostratigraphic analysis was carried out to correlate and date the Chitarwata and Vihowa formations exposed in this area. The samples were subjected to step-wise demagnetization to resolve the primary and secondary remanent magnetization components. Thermal demagnetization trajectories indicate that the majority of samples have sufficient internal consistency that their calculated polarities are reliable. Likewise, the majority of the 126 measured sites showed statistically significant agreement between the three measured samples per site. However, the bimodal data set does not pass the reversal test and so is deemed unsuitable for tectonic interpretations. The individual sections were initially correlated using lithologic and stratigraphic methods, and the relationship was reinforced by the magnetostratigraphy. The composite DG section was tentatively correlated with the standard magnetic polarity time scale placing the disconformable base of the Chitarwata in the DGA section at just older than 22 Ma, the Chitarwata/Vihowa contact at 18.6 Ma, and the top of the Vihowa in the DGC section at about 16 Ma. The assignment of these dates to the Chitarwata will aid in future biostratigraphic and lithostratigraphic correlation of Early Miocene sediments, effectively extending the well-established Siwalik faunal sequence back by four million years.

Friedman, Rachel; Gee, Jeff; Tauxe, Lisa; Downing, Kevin; Lindsay, Everett

1992-12-01

42

Limited effectiveness of home drinking water purification efforts in Karachi, Pakistan  

Microsoft Academic Search

Objective: In many developing-country urban areas, municipally supplied water is not microbiologically safe. This study evaluated drinking water quality and effect of home water purification efforts in Karachi, Pakistan.Methods: Members of 300 households, including 100 households who used the Aga Khan University Hospital Laboratory and 200 of their neighbors were interviewed. In 293 consenting households, structured observations were performed and

Stephen E. Luby; Amber H. Syed; Naureen Atiullah; Mohammad K. Faizan; Susan Fisher-Hoch

2000-01-01

43

Moyamoya disease: A clinical spectrum, literature review and case series from a tertiary care hospital in Pakistan  

Microsoft Academic Search

BACKGROUND: Moyamoya is a rare cerebrovascular disease of unknown etiology. The data on moyamoya disease from Pakistan is sparse. We report a case series of 13 patients who presented with moyamoya disease to a tertiary care hospital in Pakistan with a national referral base. METHODS: We conducted a retrospective review of thirteen patients who presented to The Aga Khan University

Sana Shoukat; Ahmed Itrat; Ather M Taqui; Moazzam Zaidi; Ayeesha K Kamal

2009-01-01

44

Developing Understanding of Innovative Strategies of Teaching Science through Action Research: A Qualitative Meta-Synthesis from Pakistan  

ERIC Educational Resources Information Center

This study is a meta-synthesis of 20 action research studies undertaken in the classroom by teachers to develop their understanding of an innovative strategy for teaching science. The studies were undertaken as part of the requirements for their 2-year M.Ed. program from the Aga Khan University, Institute for Educational Development (AKU-IED),…

Halai, Nelofer

2012-01-01

45

Improving practices in early childhood classroom in Pakistan: Issues and challenges from field  

Microsoft Academic Search

This article focuses on an early childhood programme that has been initiated by the Institute for Educational Development at the Aga Khan University in Karachi, Pakistan. The programme is a Certificate in Education and involves training teachers so as to enable them to understand early childhood education and development, and to become effective practitioners in their classrooms. The early childhood

Audrey Juma

2004-01-01

46

Effect of single dose magnesium on arrhythmias in patients undergoing coronary artery bypass surgery  

Microsoft Academic Search

Objective: To evaluate the safety and role of prophylactic administration of magnesium in preventing arrhythmias. Method: This double blind randomized placebo controlled clinical trial was conducted at Aga Khan University Hospital on coronary artery bypass surgery patients. All patients were connected to holter monitor before induction of anaesthesia and this monitoring continued for 24 hours. Study drug containing either 2-grams

Mohammad Hamid; Rehana Shafi Kamal; Shahid Ahmed Sami; Farouk Atiq; Azam Shafquat; Hamid Iqil Naqvi; Fazal Hameed Khan

47

Knowledge and attitudes about health research amongst a group of Pakistani medical students  

Microsoft Academic Search

BACKGROUND: Health research training is an important part of medical education. This study was conducted to assess the level of knowledge and attitudes regarding health research in a group of Pakistani medical students at Aga Khan University, Karachi. METHODS: It was a cross-sectional pilot study conducted among a group of Pakistani medical students. Through stratified random sampling, a pre-tested, structured

Hassan Khan; Muhammad RizwanulHaq Khawaja; Abdul Waheed; Muhammad Ameen Rauf; Zafar Fatmi

2006-01-01

48

Mentoring In-Service Teachers: Issues of Role Diversity  

ERIC Educational Resources Information Center

This paper reports on the findings from a review of classroom-based action research reports by the masters students of an in-service teacher education programme offered by the Aga Khan University, Institute for Educational Development in Karachi, Pakistan. In these reports the students played the roles of researchers and mentors, i.e. they worked…

Halai, Anjum

2006-01-01

49

Vertical facial and dental arch dimensional changes in extraction vs. non-extraction orthodontic treatment  

Microsoft Academic Search

Objective: To compare the vertical facial and dental arch dimensional changes occurring with extraction and nonextraction orthodontic treatments. Study Design: Cross-sectional comparative study. Place and Duration of Study: The Aga Khan University Hospital, Karachi during the period 2003 to 2005. Methodology: Data were collected using records of patients who visited the study setting during the study period. Preand post-treatment lateral

Meena Kumari; Mubassar Fida

2010-01-01

50

Clinical profile and treatment of infantile spasms using vigabatrin and ACTH - a developing country perspective  

Microsoft Academic Search

BACKGROUND: Infantile spasms represent a serious epileptic syndrome that occurs in the early infantile age. ACTH and Vigabatrin are actively investigated drugs in its treatment. This study describes the comparison of their efficacy in a large series of patients with infantile spasms from Pakistan. METHODS: All patients with infantile spasms who presented to Aga Khan University Hospital, Karachi, Pakistan from

Shahnaz Ibrahim; Shamshad Gulab; Sidra Ishaque; Taimur Saleem

2010-01-01

51

PERCEPTIONS ON BIOETHICS AMONG PATIENTS PRESENTING TO FAMILY PHYSICIANS AT A TEACHING HOSPITAL IN KARACHI, PAKISTAN  

Microsoft Academic Search

Objective: To study the perceptions on bioethics among patients presenting to family physicians at a teaching hospital in Karachi, Pakistan Study design: Questionnaire based cross sectional survey Settings: The study was carried out at the family practice center, the Aga Khan University Hospital, Karachi Main outcome measures: Perceptions on the broad principles of bioethics Results: Majority of the respondents were

Waris Qidwai; Hafeez Qureshi; Syed Sohail Ali; Mahboob Alam; Syed Iqbal Azam

52

Medicinal uses of honey (Quranic medicine) and its bee flora from Dera Ismail Khan District, KPK, Pakistan.  

PubMed

This study was carried out during 2005-2008 to identify existing plant species visited by workers of honeybees for nectar and pollen collection in Dera Ismail Khan (D.I.Khan) District, Pakistan. The honeybee species investigated in the area were, rock bee (Apis dorsata F.), little bee (A. florea F.) and European honeybee (A. mellifera L.). A detailed list of 86 plant species both wild and cultivated was prepared, out of which 12 species, Phulai (Acacia modesta Wall.), Sarsoon (Brassica campestris L.), Kaghzi nimboo (Citrus aurantifolia L.), Khatta (C. medica L.), Malta (C. sinensis (L.) Osbeck.), Shisham (Dalbergia sissoo Roxb.), Date (Phoenix dactylifera L.), Barseen (Trifolium alexandrianum L.), Shaftal (T. resupinatum L), Makai (Zea mays L.), Ber (Zizyphus mauritiana Lam.) and Jher beri (Z. numularia (Burm. f.) Wight & Arn.,) were found as major sources (table 1) for the production of surplus honey in a year at different localities in the District. Among the minor sources various plant species were included (table 2). These plants fill the flowering gaps between the major sources in various parts of the year and help in continuous supply of food to honey bees. PMID:23455201

Marwat, Sarfaraz Khan; Khan, Muhammad Aslam; Rehman, Fazalur; Khan, Kaleemullah

2013-03-01

53

Frameshift suppression at tandem AGA and AGG codons by cloned tRNA genes: assigning a codon to argU tRNA and T4 tRNA(Arg).  

PubMed Central

Arginine is coded for by CGN (N = G, A, U, C), AGA and AGG. In Escherichia coli there is little tRNA for AGA and AGG and the use of these codons is strongly avoided in virtually all genes. Recently, we demonstrated that the presence of tandem AGA or AGG codons in mRNA causes frameshifts with high frequency. Here, we show that phaseshifts can be suppressed when cells are transformed with the gene for tRNA(T4Arg) or E. coli tRNA(argU,Arg) demonstrating that such errors are the result of tRNA depletion. Bacteriophage T4 encoded tRNA(Arg) (anticodon UCU) corrects shifts at AGA-AGA but not at AGG-AGG, suggesting that this tRNA can only read AGA. Similarly, comparison of the translational efficiencies in an argU (Ts) mutant and in its isogenic wild type parent indicates that argU tRNA (anticodon UCU) reads AGA but not AGG. An argU (Ts) mutant barely reads through AGA-AGA at 42 degrees C but translation of AGG-AGG is hardly, if at all, affected. Overexpression of argU+ relaxes the codon specificity. The thermosensitive mutant in argU, previously called dnaY because it is defective in DNA replication, can be complemented for growth by the gene for tRNA(T4Arg). This implies that the sole function of the argU gene product is to sustain protein synthesis and that its role in replication is probably indirect. Images

Spanjaard, R A; Chen, K; Walker, J R; van Duin, J

1990-01-01

54

Overexpression and molecular characterization of Aga50D from Saccharophagus degradans 2-40: an exo-type ?-agarase producing neoagarobiose  

Microsoft Academic Search

?-Agarases are mostly categorized into three glycoside hydrolase (GH) families 16, 50, and 86. Recent genomic analysis of\\u000a Saccharophagus degradans 2–40 revealed the presence of five agarase genes belonging to these GH families. Among the five agarases, Aga50D (a member\\u000a of GH50) had neither been functionally characterized nor overexpressed. In this report, we present soluble overexpression\\u000a and molecular characterization of

Hee Taek Kim; Saeyoung Lee; Dongho Lee; Hyun-Soo Kim; Won-Gi Bang; Kyoung Heon Kim; In-Geol Choi

2010-01-01

55

Factors associated with non-adherence among psychiatric patients at a tertiary care hospital, Karachi, Pakistan: a questionnaire based cross-sectional study  

Microsoft Academic Search

OBJECTIVE: To elucidate predictors of non-adherence among psychiatric patients presenting at a tertiary care hospital of Pakistan, for follow-up with consultant psychiatrist.\\u000aMETHODS: A convenient sampleof psychiatric patients from Aga Khan University Hospital was enrolled between April and May, 2005. An interviewer assisted, standardized questionnaire was used for data collection. Patients with cognitive deficit or psychosis and those presenting for

Fawad Taj; Mansoor Tanwir; Zarmeneh Aly; Ameer Ali Khowajah; Asma Tariq; Fahd Khalid Syed; Fahd Waqar; Khezar Shahzada

2008-01-01

56

Students' Corner Awareness of the Process of Informed Consent among Family Practice Patients in Karachi  

Microsoft Academic Search

Objective: To study the awareness of 'Informed Consent', among patients presenting to Family Physicians. Method: A cross-sectional study was carried out at the Community Health Centre, Aga Khan University Hospital, Karachi in July 2002. Written Consent was taken and confidentially was assured Results: Out of the 100 patients interviewed, 80 agreed to participate in the study, forty-four men and thirty-six

H. Bhurgri; W. Qidwai

57

Venoarterial PCO2 difference: a marker of postoperative cardiac output in children with congenital heart disease  

Microsoft Academic Search

OBJECTIVE: To determine the relationship between venoarterial carbon dioxide gradient (DeltapCO2) and central venous oxygen saturation (ScvO2) in children after cardiac surgery.STUDY DESIGN: A cohort study.PLACE AND DURATION OF STUDY: The Paediatric cardiac intensive care unit of the Aga Khan University Hospital, Karachi, from June 2006 to May 2007.METHODOLOGY: All children admitted in the paediatric cardiac intensive care after complete

Muhammad Furqan; Fahad Hashmat; Munir Amanullah; Mansoor Khan; Hina K Durani; Anwar-ul-Haque

2009-01-01

58

Effectiveness of premedication at the time of separation from parent and mask induction in paediatric patients coming for congenital heart disease surgery  

Microsoft Academic Search

OBJECTIVE: To compare the effectiveness of oral midazolam and chloral hydrate on anxiety and sedation at various stages of pre-operative period in congenital heart surgery patients.STUDY DESIGN: Cross-sectional comparative study.PLACE AND DURATION OF STUDY: Operating rooms of The Aga Khan University Hospital, Karachi, from October 2009 to December 2010.METHODOLOGY: Sixty-six patients between the ages of 6 months and 6 years

Mohammad Hamid; Mansoor Ahmed Khan; Aftab Khatri; Irfan Akhtar

2012-01-01

59

Prospective case control evaluation of epidural midazolam for improving pain and ambulation after microdiscectomy  

Microsoft Academic Search

OBJECTIVE: To evaluate midazolam as an epidural analgesic in patients undergoing single-level microdiscectomy.METHODS: This prospective case control study was carried out at the Aga Khan University Hospital, Karachi, from January 20 to September 20, 2007, on patients undergoing microdiscectomy. Cases (group A) received midazolam with saline, while controls (group B) received saline only, placed intra-operatively over involved nerve root. Post-operatively,

Muhammad Shahzad Shamim; Syed Ather Enam; Muhammad Zubair Tahir; Mueenullah Khan

2012-01-01

60

Comparison of different craniofacial patterns with pharyngeal widths  

Microsoft Academic Search

OBJECTIVE: To compare different craniofacial patterns with pharyngeal widths.STUDY DESIGN: Cross-sectional analytical study.PLACE AND DURATION OF STUDY: Orthodontic Clinic at the Aga Khan University Hospital, Karachi, from June 2002 to June 2010.METHODOLOGY: Data were collected using pre-treatment records including orthodontic files and pre-treatment lateral cephalographs of 360 orthodontic patients. The inclusion criteria were subjects of Pakistani origin, aged between 14-20

Sarwat Memon; Mubassar Fida; Attiya Shaikh

2012-01-01

61

Vertical facial and dental arch dimensional changes in extraction vs. non-extraction orthodontic treatment  

Microsoft Academic Search

OBJECTIVE: To compare the vertical facial and dental arch dimensional changes occurring with extraction and nonextraction orthodontic treatments.STUDY DESIGN: Cross-sectional comparative study.PLACE AND DURATION OF STUDY: The Aga Khan University Hospital, Karachi during the period 2003 to 2005.METHODOLOGY: Data were collected using records of patients who visited the study setting during the study period. Pre- and post-treatment lateral cephalographs and

Meena Kumari; Mubassar Fida

2010-01-01

62

Water resources and related geology of Dera Ismail Khan district, West Pakistan, with reference to the availability of ground water for development  

USGS Publications Warehouse

Dera Ismail (D.I.) Khan District contains an area of 3,450 square miles between the right bank of the Indus River and the Sulaiman Range in westcentral West Pakistan. Agriculture is the principal source of income in the District, but only a small part of the arable land is fully utilized. The region is semiarid and has an average annual rainfall of about 9 inches and a potential evapotranspirational rate of eight to nine times the annual rainfall. Thus, rainfall alone is not adequate for high-intensity cropping. Irrigation is practiced near the Indus River; the Paharpur Canal is used, as well as the traditional inundation method. Elsewhere in the District, adequate water is supplied to local areas by karezes, perennial streams from the mountains, and some recently installed tubewells (see 'Glossary'). Further development of ground-water supplies would permit a more effective utilization of most of the presently tilled land and would allow additional land to be farmed. D.I. Khan District is primarily an alluvial plain that slopes from the mountain ranges in the northern and western parts of the District toward the Indus River. Rocks in the bordering mountains are of Paleozoic to early or middle Pleistocene age. The unconsolidated rocks of the plain, of middle (?) Pleistocene to Holocene (Recent) age, consist of piedmont deposits derived from the hills to the north and west and of alluvium laid down by the Indus River. These deposits interfinger in a transitional zone about 8 to 12 miles west of the river. Lithologic and structural features indicate that the unconsolidated rocks possibly may be divided into broad units. The investigations in D.I. Khan District have revealed two main areas of potential ground-water development based on considerations of both permeability and chemical quality of the ground water: 1. A belt about 10 miles wide parallels the Indus River from the Khisor Range southward to the area immediately south of D.I. Khan town. In this belt, the material penetrated by test holes and tubewells consists predominantly of sand, which in tubewells can yield from 2 to 3 cfs (cubic feet per second) of water with only moderate drawdown. Also in this belt, ground water of good chemical quality extends to depths of 1,000 feet or more. 2. The area from the mouth of the Gumal River gorge to the vicinity of Kot Azam contains sand and gravel strata that may yield from 1 to 3 cfs of water, which contains 500 to 1,500 ppm (parts per million) of total dissolved solids. Other marginal parts of the District also contain water of good chemical quality, but developmental prospects are somewhat poorer because of greater depths to water, lower permeabilities, or greater depths to aquifers, all of which would require greater costs in the tubewell installations. The stratification or zoning of water of different chemical qualities to some extent governs the local availability of useful water. Generally, the ground water of poorest quality is found in the shallow zone, and quality improves with depth. The central part of the District, in a belt reaching from the vicinity of Tank southward to the Indus River near Dera Ghfizi Khan District, contains highly mineralized water and few aquifers. The mineralization of water in this belt is due primarily to large concentrations of sodium and sulfate and thus differs from the main part of the Punjab region where highly mineralized waters are generally chloride waters. Radical changes in water quality, both horizontally and vertically, are common in the District. Changes in chemical quality of water from large-capacity wells near areas of highly mineralized water are taking place, and further changes may be expected as withdrawals continue and increase in magnitude. Under present conditions, surface-water supplies are fully utilized, and ground water is the largest supply available for development-other than that from the Indus River.

Hood, J. W.; Khan, Lutfe Ali; Jawaid, Khalid

1970-01-01

63

Evaluation of lipid and glucose metabolism and cortisol and thyroid hormone levels in obese appropriate for gestational age (AGA) born and non-obese small for gestational age (SGA) born prepubertal Slovak children.  

PubMed

Abstract Aim: Obesity is the major determinant of metabolic syndrome. Being born small for gestational age (SGA) may be co-responsible. We aimed at evaluating the association between 1. obesity and 2. being born SGA and the presence of endocrine-metabolic abnormalities in prepubertal Slovak children. Methods: The study included 98 children, aged 3-10.9 years: 36 AGA-born obese children (OB), 31 SGA-born children (SGA) and 31 appropriate for gestational age born non-obese children (AGA). Fasting serum levels of glucose, total cholesterol, LDL, HDL, triglycerides, fT4, TSH, cortisol and insulin were determined. HOMA-IR was calculated. Personal data about birth weight and length and family history were collected. Actual anthropometric measurement was done. Results: In every group, high prevalence of positive family history of metabolic disorder was found. In comparison with AGA children, OB children were taller (p<0.01) with higher body mass index (BMI) (p<0.001), and had increased insulin levels and homeostasis model assessment for insulin resistance (HOMA-IR) (p<0.001), decreased high-density lipoprotein (HDL) (p<0.001), and a trend to higher cortisol levels (p=0.069) was noted. SGA-born children were shorter (p<0.001), with BMI comparable to the AGA group. They had higher glucose levels (p<0.001), a trend to decreased HDL levels (p=0.085) and increased fT4 levels (p<0.001). A three-fold higher occurrence of metabolic abnormalities was present in obese children and twice more metabolic abnormalities were present in SGA-born children in comparison with AGA-born children. Conclusions: SGA-born children are more prone to developing endocrine-metabolic abnormalities than non-obese children born AGA, but they are at less risk than obese AGA-born children. We should provide specialized care for obese children already in prepubertal age and pay attention to SGA-born children. PMID:24706427

Blusková, Zuzana; Koštálová, Ludmila; Celec, Peter; Vitáriušová, Eva; Pribilincová, Zuzana; Maršálková, Marianna; Semberová, Jana; Kyselová, Tatiana; Hlavatá, Anna; Kovács, László

2014-07-01

64

Growth and yield of rice as affected by transplanting dates and seedlings per hill under high temperature of Dera Ismail Khan, Pakistan.  

PubMed

Studies were initiated for two consecutive years to find out the effect of time of transplanting and seedlings hill(-1) on the productivity of rice in Dera Ismail Khan district of North West Frontier Province (NWFP), Pakistan. The experiment was laid out in a randomized complete block design with split plot arrangements. Main plots consisted of four transplanting dates viz. 20th and 27th of June and 4th and 11th of July while sub-plots contained 1, 2, 3 or 4 seedlings hill(-1). Among transplanting dates, June 20th planted crop gave highest paddy yield and net return with 1 seedling hill(-1). It explains that the use of more seedlings hill(-1) not only adds to cost but is also a mere wastage of natural resources. Based on research findings, we conclude that the use of 1 seedling hill(-1) is most appropriate for timely sowing otherwise 4 seedlings hill(-1) should be used to compensate for the yield gap in late transplanted rice. PMID:16773732

Baloch, Mohammad Safdar; Awan, Inayat Ullah; Hassan, Gul

2006-07-01

65

Psiscan: a computational approach to identify H/ACA-like and AGA-like non-coding RNA in trypanosomatid genomes  

PubMed Central

Background Detection of non coding RNA (ncRNA) molecules is a major bioinformatics challenge. This challenge is particularly difficult when attempting to detect H/ACA molecules which are involved in converting uridine to pseudouridine on rRNA in trypanosomes, because these organisms have unique H/ACA molecules (termed H/ACA-like) that lack several of the features that characterize H/ACA molecules in most other organisms. Results We present here a computational tool called Psiscan, which was designed to detect H/ACA-like molecules in trypanosomes. We started by analyzing known H/ACA-like molecules and characterized their crucial elements both computationally and experimentally. Next, we set up constraints based on this analysis and additional phylogenic and functional data to rapidly scan three trypanosome genomes (T. brucei, T. cruzi and L. major) for sequences that observe these constraints and are conserved among the species. In the next step, we used minimal energy calculation to select the molecules that are predicted to fold into a lowest energy structure that is consistent with the constraints. In the final computational step, we used a Support Vector Machine that was trained on known H/ACA-like molecules as positive examples and on negative examples of molecules that were identified by the computational analyses but were shown experimentally not to be H/ACA-like molecules. The leading candidate molecules predicted by the SVM model were then subjected to experimental validation. Conclusion The experimental validation showed 11 molecules to be expressed (4 out of 25 in the intermediate stage and 7 out of 19 in the final validation after the machine learning stage). Five of these 11 molecules were further shown to be bona fide H/ACA-like molecules. As snoRNA in trypanosomes are organized in clusters, the new H/ACA-like molecules could be used as starting points to manually search for additional molecules in their neighbourhood. All together this study increased our repertoire by fourteen H/ACA-like and six C/D snoRNAs molecules from T. brucei and L. Major. In addition the experimental analysis revealed that six ncRNA molecules that are expressed are not downregulated in CBF5 silenced cells, suggesting that they have structural features of H/ACA-like molecules but do not have their standard function. We termed this novel class of molecules AGA-like, and we are exploring their function. This study demonstrates the power of tight collaboration between computational and experimental approaches in a combined effort to reveal the repertoire of ncRNA molecles.

Myslyuk, Inna; Doniger, Tirza; Horesh, Yair; Hury, Avraham; Hoffer, Ran; Ziporen, Yaara; Michaeli, Shulamit; Unger, Ron

2008-01-01

66

Cs3AgAs4Se8 and CsAgAs2Se4: selenoarsenates with infinite 1 infinity[AsSe2]- chains in different Ag+ coordination environments.  

PubMed

Two quaternary silver selenoarsenates Cs3AgAs4Se8 (I) and CsAgAs2Se4 (II) have been discovered by methanothermal reaction of Li3AsSe3 with AgBF4 in the presence of the respective alkali metal sources Cs2CO3 and CsCl. Orange crystals of Cs3AgAs4Se8 (I) were formed after reaction at 120 degrees C for 72 h, whereas red CsAgAs2Se4 (II) was obtained under slightly different conditions at 140 degrees C for 70 h. Both compounds possess novel two-dimensional (2D) polyanions consisting of infinite 1 infinity[AsSe2]- chains that are interconnected by Ag+ ions in different coordination patterns. In I, a double layer of 1 infinity[AsSe2]- chains is bridged by distorted trigonal planar coordinated Ag+ atoms to form a 2 infinity[AgAs4Se8]3- layer with a thickness of about 11.3 A. The nonbonding Ag...Ag distances are about 4.220 A, and large cavities within the layers accommodate for three of the four crystallographic Cs+ cations. The double amount of Ag+ atoms per AsSe2 chain unit in II leads to simple layers 2 infinity[AgAs2Se4]- [=[Ag2As4Se8]2-] in which the Ag+ atoms are arranged in rows between the 1 infinity[AsSe2]- chains, with alternating Ag...Ag distances of 3.053(3) and 3.488(3) A. Hereby the 1 infinity[AsSe2]- polyanions show a disorder within the central (-As-Seb)- chain (b = bridging), while the positions of the terminal Se atoms (Set) remain unaffected. The thermal, optical, and spectroscopic properties of the compounds are reported. Both I and II melt with decomposition and are wide band gap semiconductors with values of 2.07 and 1.79 eV, respectively. Raman spectroscopic data show typical band patterns expected for infinite [AsSe2]- chains. Crystal Data: Cs3AgAs4Se8 (I), monoclinic, C2/c, a = 25.212(2) A, b = 8.0748(7) A, c = 22.803(2) A, beta = 116.272(2) degrees, Z = 8; CsAgAs2Se4 (II), monoclinic, P2(1)/n, a = 10.9211(1) A, b = 6.5188(2) A, c = 13.7553(3) A, beta = 108.956(1) degrees, Z = 4. PMID:12526494

Wachhold, M; Kanatzidis, M G

2000-05-29

67

Universal Time  

NSDL National Science Digital Library

This article explains the concept of 'Universal Time' (UT), sometimes referred to as 'Coordinated Universal Time' (UTC). Topics include how UTC is measured, who uses it, and a brief discussion of the historical context of this time standard.

68

Brown University.  

ERIC Educational Resources Information Center

The computing at Brown University was formalized in 1960. Computing history, current university computing, and a description of the Institute for Research in Information and Scholarship are discussed. The installation of a broadband communications network (BRUNET) was recently completed. (MLW)

CAUSE/EFFECT, 1984

1984-01-01

69

Parent University.  

ERIC Educational Resources Information Center

A description of the Parent University program of the San Rafael (California) City Schools is presented. The Parent University is described as a 1-day event in which parents are offered a variety of seminars and workshops on topics in education and parenting. Materials included in this document are: (1) an overview of the second annual Parent…

Howlett, Hoyt S.

70

Overseas Universities.  

ERIC Educational Resources Information Center

The following articles and reports are presented in this publication of "Overseas Universities:""Appropriate Technology and University Education," by John Twidell; "The Training of Engineering Staff for Higher Education Institutions in Developing Countries," by D. W. Daniel, C. A. Leal, J. H. Maynes and T. Wilmore; "A Case Study of an Academic…

Inter-University Council for Higher Education Overseas, London (England).

71

Universal Truths.  

ERIC Educational Resources Information Center

Described is a symposium of Nobel laureates held in the summer of 1990 to discuss cosmology. Different views on the structure and evolution of the universe are presented. Evidence for different theories of cosmology is discussed. (CW)

Horgan, John

1990-01-01

72

Washington University  

Cancer.gov

The Washington University Small Animal Imaging Resource (WUSAIR), one of the five original Small Animal Imaging Resource Program (SAIRP) centers funded in 1999, provides state-of-the-art facilities and infrastructure for MRI, PET, CT and optical imaging of mice, rats and other small laboratory animals. Located in the heart of the Washington University Medical Center, WUSAIR combines instrumental and intellectual capabilities found at few other institutions.

73

Stanford University  

Cancer.gov

Stanford University has a rapidly expanding program for the molecular imaging of living subjects. Through significant investments by the University in new space, infrastructure, and new faculty recruitments the Molecular Imaging Program at Stanford (MIPS) was established. Dr. Sam Gambhir, Professor of Radiology and Bioengineering was recruited and appointed by the Dean of the Medical School as Director of the MIPS. He works closely with Dr. Christopher Contag, Associate Professor of Pediatrics and of Microbiology and Immunology, Co-Director of the MIPS.

74

Plasma universe  

NSDL National Science Digital Library

This single-page reading underlines how abundant plasmas are in the universe. The reading, which is the final page in a tutorial about the plasma phase of matter, points out that understanding plasma is central to understanding what happens in the universe. Through space technologies, researchers have been able to study plasmas in areas like those shown in the images that illustrate this reading. One of the images shows plasma loops on the Sun. Copyright 2005 Eisenhower National Clearinghouse

Institute, Space S.

2005-01-01

75

Plasma universe  

NASA Technical Reports Server (NTRS)

Traditionally the views on the cosmic environent have been based on observations in the visual octave of the electromagnetic spectrum, during the last half-century supplemented by infrared and radio observations. Space research has opened the full spectrum. Of special importance are the X-ray-gamma-ray regions, in which a number of unexpected phenomena have been discovered. Radiations in these regions are likely to originate mainly from magnetised cosmic plasmas. Such a medium may also emit synchrotron radiation which is observable in the radio region. If a model of the universe is based on the plasma phenomena mentioned it is found that the plasma universe is drastically different from the traditional visual universe. Information about the plasma universe can also be obtained by extrapolation of laboratory experiments and magnetospheric in situ measurements of plasmas. This approach is possible because it is likely that the basic properties of plasmas are the same everywhere. In order to test the usefulness of the plasma universe model it is applied to cosmogony. Such an approach seems to be rather successful. For example, the complicated structure of the Saturnian C ring can be accounted for. It is possible to reconstruct certain phenomena 4 to 5 billions of years ago with an accuracy of better than 1%.

Alfven, H.

1986-01-01

76

University Wire  

NSDL National Science Digital Library

University Wire is a daily Internet news service for college newspapers. Included are a story of the day, a large list of pointers to Internet resources in topics such as current headlines, politics, medicine and health, and women's resources; a "Kopyedit Korner," with pointers to writing reference materials; a placement center with job openings lists for college journalists; a large selection of pointers to college newspapers; and pointers to general circulation newspapers. Pointers to student and professional journalism organizations, as well as a calendar of journalism related events, are also provided. University Wire is a service of The Main Quad.

1997-01-01

77

Universe Today  

NSDL National Science Digital Library

Published by Fraser Cain, this modest current awareness service gathers space exploration news stories from around the Internet. The stories, usually four per day, are briefly summarized, and for each, Cain offers links to full-text articles from one or more sources. Users can read Universe Today at the site, which also contains an archive, internal search engine, and related links, or they can subscribe to receive the newsletter by email. Although not as comprehensive as some astronomy news sites, Universe Today does cover some of the top stories and will appeal to the busy general user with an interest in space exploration.

78

Molecular Universe  

NSDL National Science Digital Library

This fantastic resource for college-level students of chemistry provides abundant images and explanatory text on molecules and molecular systems. The site's main provider is Richard Catlow, Director of the Davy Faraday Research Laboratory at the Royal Institution of Great Britain. Molecular Universe presents a collection of lessons, arranged into categories such as Building in Three Dimensions, Boundaries and Barriers, and The Molecules of Life. The sleek color illustrations demonstrate everything from diamond structure to a DNA molecule. Highlights of the site include a detailed look at protein folding, how molecules taste, and molecules and computers. Both students and professors should journey to the Molecular Universe.

Catlow, C. R. A. (Charles Richard Arthur), 1947-

2000-01-01

79

Widener University  

ERIC Educational Resources Information Center

Founded in 1821, Widener University is a two-state (Pennsylvania and Delaware), four-campus, eight-college private institution serving approximately 6,700 students. Following arrival of the new senior vice president and provost in 2004 and subsequent reorganization of vice presidential responsibilities, Student Affairs is now led by a dean of…

Valesey, Brigitte; Allen, Jo

2009-01-01

80

Washington University  

Cancer.gov

Washington University Medical School's concept of an In vivo Cellular and Molecular Imaging Center (ICMIC) envisions a process that will permit the Center to become the focal point for the development of novel in vivo molecular imaging initiatives on campus. This involves further expanding and reinforcing collaborations and enhancing the productivity of multidisciplinary programs in basic cancer cell biology and molecular imaging research.

81

Stanford University  

Cancer.gov

Stanford University has recruited a multidisciplinary team of scientist to address promising quantitative imaging methods to improve the ability of cancer researchers to evaluate tumor burden and treatment response through the support of the Quantitative Imaging Network. To date, progress is thwarted by the lack of software infrastructure to record quantitative imaging information efficiently and reproducibly in the routine clinical workflow, and by the inability to store and share image metadata in standard formats.

82

Vanderbilt University  

Cancer.gov

Vanderbilt University has developed an interdisciplinary group of scientists, supported by the Quantitative Imaging Network to develop integrated high field (3T) magnetic resonance imaging (MRI) and positron emission tomography (PET) methods for assessing the effects of molecularly targeted anti-angiogenesis and cytoxic treatments in breast cancer clinical trials. The goal is to provide the breast cancer community with practical data acquisition and analysis protocols that facilitate the translation of advanced imaging technologies into patient management and clinical trials.

83

Vanderbilt University  

Cancer.gov

This application seeks support for a new Small Animal Imaging Resource (SAIR) at Vanderbilt University, dedicated to providing scientific and technical resources and support for non-invasive imaging of small animal models of cancer in vivo. The equipment and personnel needed to support cancer imaging in small animals will be provided by a new center which provides access to a comprehensive array of imaging resources.

84

Open University  

ScienceCinema

Michel Pentz est née en Afrique du Sud et venu au Cern en 1957 comme physicien et président de l'associaion du personnel. Il est également fondateur du mouvement Antiapartheid de Genève et a participé à la fondation de l'Open University en Grande-Bretagne. Il nous parle des contextes pédagogiques, culturels et nationaux dans lesquels la méthode peut s'appliquer.

None

2011-04-25

85

Our Universe  

NSDL National Science Digital Library

Students will learn about the different planets and the sun. They will learn that the sun is a star that lights and heats the earth. Check out these web sites and then answer the following questions. Blast off to this website. Play a game or two! When you are done, write down which game or games you played and three things you learned about our universe. Kidsastronomy Now, check out the awesome facts about this familiar star. Then ...

D., Mrs.

2006-10-11

86

Universal Time  

NSDL National Science Digital Library

This is a lesson plan for an activity that explores time zone math. Learners will translate their local time to times in other zones around the world and work with the concept of Universal Time, specifically in reference to the reporting, description and analysis of solar flares and coronal mass ejections. This is activity 10 from Exploring Magnetism Guide 3: Magnetic Mysteries of the Aurora educator guide.

87

RAD University  

NSDL National Science Digital Library

Operated by RAD Data Communications, this site has glossaries and a myriad of tutorials related to computer networks. Students "at Tel Aviv University and the Technion, Israel Institute of Technology" created the tutorials, which are grouped into several categories. These include introductory information, security and application protocols, infrastructure, and network layers. The tutorials are quite well made; most are very comprehensive with diagrams and illustrations. There are even some games and quizzes to reinforce what is presented in the tutorials. The three glossaries give simple, straightforward definitions and descriptions of various terms and technologies.

2002-01-01

88

Afterschool Universe  

NSDL National Science Digital Library

This astronomy program is designed for middle school children in out-of-school-time settings. The program explores basic astronomy concepts (like invisible light, telescopes) and focuses on the universe outside the solar system (stars, galaxies, black holes). The program is structured for use in a variety of settings, including astronomy days, summer camps, or year-long afterschool programs. Although session activities build concepts sequentially, each session activity is designed to be freestanding as not all participants may attend every session. A manual provides background information and descriptions of how to conduct each activity. A companion website provides additional information and resources for the program leader.

89

ASL University  

NSDL National Science Digital Library

American Sign Language (ASL) University is an online curriculum resource for American Sign Language students, instructors, interpreters, and parents of deaf children. The website provides a wealth of learning tools for both teaching and learning ASL. Teachers are encouraged to use the lessons provided to teach in their own classes. In addition to the available courses, a very comprehensive American Sign Language dictionary is available to help those just learning ASL or those looking to learn how to add to their vocabulary. Furthermore, the site has a newsletter that is distributed through a mailing list.

Vicars, William G.

2007-01-25

90

Wheelchair University  

NSDL National Science Digital Library

This collection of lecture notes is intended to provide readers with a "practical learning experience on some aspect of wheelchair technology." Several topics on wheeled mobility are covered, including powered wheelchair anatomy and the development of standards. Seating biomechanics, wheelchair cushions, and other details helpful for wheelchair evaluation are given in a series of lecture slides. The last section deals with transportation safety and practices to reduce or prevent crash injuries. Resources on wheelchair research and development are given on the Wheelchair University homepage.

91

Health needs and eHealth readiness assessment of health care organizations in Kabul and Bamyan, Afghanistan.  

PubMed

This study assessed the need and readiness of health care institutions in Kabul and Bamyan, Afghanistan for successful implementation of information and communication technology in health care (eHealth). A mixed methods design was adopted at 2 institutions in the Aga Khan Development Network in Afghanistan: the French Medical Institute for Children in Kabul and Bamyan Provincial Hospital, Bamyan. Information for the needs assessment was obtained from interviews and focus groups and eHealth readiness was assessed using a validated survey tool. The needs of institutions in the Aga Khan Development Network in Afghanistan were categorized as follows: provision of care needs; learning needs; and information management needs. eHealth readiness on average was lower in Bamyan compared with Kabul in all areas of the readiness assessment. Other institutions in Afghanistan may benefit from adopting the model of needs and readiness assessment used for Aga Khan Development Network institutions. PMID:22888626

Durrani, H; Khoja, S; Naseem, A; Scott, R E; Gul, A; Jan, R

2012-06-01

92

AGA technical review on anorectal testing techniques  

Microsoft Academic Search

This literature review and the recommendations therein were prepared for the American Gastroenterological Association Clinical Practice and Practice Economics Committee. Following external review, the paper was approved by the committee on May 17, 1998.GASTROENTEROLOGY 1999;116:735-760

N. E. Diamant; M. A. Kamm; A. Wald; W. E. Whitehead

1999-01-01

93

Universal Peptidomimetics  

PubMed Central

This paper concerns peptidomimetic scaffolds that can present side-chains in conformations resembling those of amino acids in secondary structures without incurring excessive entropic or enthalpic penalties. Compounds of this type are referred to here as minimalist mimics. The core hypothesis of this paper is that small sets of such scaffolds can be designed to analog local pairs of amino acids (including non-contiguous ones) in any secondary structure, ie they are universal peptidomimetics. To illustrate this concept we designed a set of four peptidomimetic scaffolds (1 – 4). Libraries based on these were made bearing side-chains corresponding to many of the protein-derived amino acids. Modeling experiments were performed to give an indication of kinetic and thermodynamic accessibilities of conformations that can mimic secondary structures. Together peptidomimetics based on scaffolds 1 – 4 can adopt conformations that resemble almost any combination of local amino acid side-chains in any secondary structure. Universal peptidomimetics of this kind are likely to be most useful in the design of libraries for high throughput screening against diverse targets. Consequently, data arising from submission of these molecules to the NIH Molecular Libraries Small Molecule Repository (MLSMR) is outlined.

Ko, Eunhwa; Liu, Jing; Perez, Lisa M.; Lu, Genliang; Schaefer, Amber; Burgess, Kevin

2011-01-01

94

The New Universities: Introduction  

ERIC Educational Resources Information Center

A discussion of the functions and purposes of universities, with reference to their respective importance in England and the United States. The first of 10 articles studying the following English universities in depth--(1) University of Sussex, (2) University of York, (3) University of East Anglia, (4) University of Essex, (5) University of Kent…

Brawne, Michael

1970-01-01

95

University of Pennsylvania: University Archives  

NSDL National Science Digital Library

Many colleges and universities have carefully maintained archival collections that are consulted by historians and alumni interested in learning first-hand about their storied pasts. Not many institutions of higher learning can boast of such a nice collection of online materials, and certainly this website serves as a good example to others looking to develop such a collection. First-time visitors will want to take a look at the digital image collection, which contains 725 images depicting the campus in West Philadelphia, along with maps, slides, and sketches. Along with performing a simple search, visitors can browse a list of topical collections. Another good feature located here is a reproduction of an 1895 article from Harper's Magazine by Francis N. Thorpe that contains 18 illustrations within its 21 pages. Visitors looking for historical sketches of Penn's history and development will want to browse the section that offers numerous essays, including titles dealing with urban renewal and the university's gradual expansion over the 125 years.

96

The cyclic universe  

Microsoft Academic Search

The cyclic universe model is a modification of the ekpyrotic universe and the pyrotechnic universe models. The cyclic universe goes through the six transitions: the triplet universe, the inflation, the big bang, the quintessence, the big crush, and the deflation transitions. The universe starts with eleven dimensional space-time with two boundary 9-branes separated by a finite gap spanning an intervening

Ding-Yu Chung

2001-01-01

97

Knowledge about hepatitis B and C among patients attending family medicine clinics in Karachi.  

PubMed

Knowledge about hepatitis B and C was assessed in a cross-sectional study of 300 adults aged 18 or older attending family medicine clinics at The Aga Khan University Hospital, Karachi. Most knew that hepatitis B and C are viral diseases that primarily affect the liver, but knowledge about risk factors for disease transmission was poor. Approximately 70% knew that hepatitis B is vaccine preventable; 60% had the misconception that hepatitis C is also vaccine preventable. The majority incorrectly believed that people with hepatitis B or C should follow the diet 'parhaiz'. Generally women knew more than men about the diseases. This study suggests that health education about these infections should be provided to the public. Family physicians can play an important role in educating people about the prevention of these diseases. PMID:15568456

Khuwaja, A K; Qureshi, R; Fatmi, Z

2002-11-01

98

The New Universities. (Architectural Character)  

ERIC Educational Resources Information Center

Photographs and comparative statistics are given for each of the following--(1) University of Sussex, (2) University of York, (3) University of East Anglia, (4) University of Essex, (5) University of Kent at Canterbury, (6) University of Warwick, (7) University of Lancaster, (8) University of Technology, Loughborough, (9) Brunel University, (10)…

Brawne, Michael

1970-01-01

99

The Open Systems University.  

ERIC Educational Resources Information Center

The purpose of this paper is focused toward a systems understanding of the contemporary university, the American University being the data base. A general systems conceptualization called the open systems university is presented. Comprehensive and generic in character, it is hoped that the theory of the open university will be viable enough to…

Counelis, James Steve

100

The Global University Press  

ERIC Educational Resources Information Center

The modern world's understanding of American university press has long been shaped by university-press books. American university-press books are good international advertisements for the universities whose logos grace their spines. The growth of transnational scholarship and the expansion of digital communications networks are converging in ways…

Dougherty, Peter J.

2012-01-01

101

GRI high-accuracy natural gas equation of state for gas-measurement applications. Annual report, May 1990April 1991. 1991 revision of AGA No. 8 equation. Technical reference document  

Microsoft Academic Search

A new equation of state has been developed for essentially dry and sweet (i.e., less than one mole percent water or hydrogen sulfide) natural gases. The equation is based on approximately 15,500 PVT data points provided by the GERG (Groupe Europeen de Recherches Gazieres) and a correlation methodology in part provided by researchers from the University of Idaho. The correlation

K. E. Starling; C. W. Fitz; Y. C. Chen; E. Rondon; R. T. Jacobsen

1991-01-01

102

Factors associated with hydrocarbon ingestion in children  

Microsoft Academic Search

Objective: To investigate the types of hydrocarbon ingested by children and identify factors associated with hydrocarbons ingestion. Patients and Methods: It was a hospital based case control study in which medical records of sixty seven children with hydrocarbon ingestion, admitted through emergency department between January 2001 to December 2005 of Aga Khan Hospital were reviewed. Variables such as age, sex,

Emad Uddin Siddiqui; Junaid A. Razzak; Farah Naz; Sabeena Jalal Khan; Aga Khan

2008-01-01

103

Universality in Quantum Computation  

Microsoft Academic Search

We show that in quantum computation almost every gate that operates on two or more bits is a universal gate. We discuss various physical considerations bearing on the proper definition of universality for computational components such as logic gates.

David Deutsch; Adriano Barenco; Artur Ekert

1995-01-01

104

University Examination System.  

National Technical Information Service (NTIS)

A computer based information system called UNIVERSITY EXAMINATION SYSTEM has been developed for Quaid-i-Azam University (QAU). The system provides efficient means of data storage and retrieval through a variety of fields. During the storage of information...

S. H. Siddiqui

1991-01-01

105

Metaphor and Universal Language.  

ERIC Educational Resources Information Center

Attempts to identify elements of universal language and probes the limitations of the communication metaphor. Universal language is discussed in terms of the theory of quantum nonlocality and the implications of this theory for communication with extraterrestrial beings. (PCB)

Blown, Eric; And Others

1990-01-01

106

Models for University Government  

ERIC Educational Resources Information Center

Looking at practices of university governments in three countries, the author discusses proposals for administrative and constitutional changes in universities. He makes recommendations to resolve the problems. (Author/MF)

Ross, Murray C.

1971-01-01

107

Gambling with the Universe  

NASA Astrophysics Data System (ADS)

This is an excerpt from Stephen Hawking's book The Universe in a Nutshell. Roger Penrose and Stephen Hawking, Lucasian Professor of Mathematics at the University of Cambridge, were able to show that Einstein's General Theory of Relativity implied that the universe and time itself must have had a beginning in a tremendous explosion. The discovery of the expansion of the universe is one of the great intellectual revolutions of the twentieth century.

Hawking, Stephen

2002-05-01

108

Northern Arizona University  

ERIC Educational Resources Information Center

Northern Arizona University (NAU) is a public university nestled below the San Francisco Peaks in Flagstaff, Arizona. It enrolls more than 21,000 undergraduate and graduate students at its main campus in Flagstaff, through its 35 statewide sites, and via online program offerings. Within the university organizational system, Student Affairs has a…

Butcher, Michael F.; Saltonstall, Margot; Bickel, Sarah; Brandel, Rick

2009-01-01

109

The University Culture  

ERIC Educational Resources Information Center

In this article the author discusses the role university culture can play on a campus and how it can impact policy and practice. The article explores how a university's history, values, and vision form its culture and how this culture in turn affects its stability and continuity. The article discusses how newcomers within the university are…

Simplicio, Joseph

2012-01-01

110

A New American University?  

ERIC Educational Resources Information Center

Reviews changes in the relationship between American research universities and the federal government from 1945 to the present. During the 1950s and early 1960s, universities were supported in applied science and socially beneficial research. In current times, universities are becoming more autonomous in examining questions of social theory and…

Muller, Steven

1978-01-01

111

The German University System.  

ERIC Educational Resources Information Center

In an attempt to familiarize interested persons with the German university system, the German system of higher education is described including recent changes. Covered are: (1) degrees granted; (2) the organization of the universities; and (3) the social role of the professions. The German universities, in the present changing situation, are…

Schneider, R. T.

112

John Carroll University  

ERIC Educational Resources Information Center

John Carroll University (JCU) is a Jesuit Catholic institution located in University Heights, approximately 10 miles east of Cleveland, Ohio. Founded in 1888, the university has a population of 3,400 undergraduates and 800 graduate students. The Division of Student Affairs at JCU comprises 11 units. The mission of the division is the same as that…

Dean, Kathleen Lis; Rombalski, Patrick; O'Dell, Kyle

2009-01-01

113

Universities Scale Like Cities  

PubMed Central

Recent studies of urban scaling show that important socioeconomic city characteristics such as wealth and innovation capacity exhibit a nonlinear, particularly a power law scaling with population size. These nonlinear effects are common to all cities, with similar power law exponents. These findings mean that the larger the city, the more disproportionally they are places of wealth and innovation. Local properties of cities cause a deviation from the expected behavior as predicted by the power law scaling. In this paper we demonstrate that universities show a similar behavior as cities in the distribution of the ‘gross university income’ in terms of total number of citations over ‘size’ in terms of total number of publications. Moreover, the power law exponents for university scaling are comparable to those for urban scaling. We find that deviations from the expected behavior can indeed be explained by specific local properties of universities, particularly the field-specific composition of a university, and its quality in terms of field-normalized citation impact. By studying both the set of the 500 largest universities worldwide and a specific subset of these 500 universities -the top-100 European universities- we are also able to distinguish between properties of universities with as well as without selection of one specific local property, the quality of a university in terms of its average field-normalized citation impact. It also reveals an interesting observation concerning the working of a crucial property in networked systems, preferential attachment.

van Raan, Anthony F. J.

2013-01-01

114

Digital University Photographs: University of Dayton  

NSDL National Science Digital Library

The University of Dayton has a wonderful digital collection of photographs of the university. Visitors can search by "popular subject terms" which, perhaps not surprisingly, include the typical college terms of "football", "sports", and "athletes". However, there are also more unconventional terms available including "ghetto", which yields photos of the South Student Neighborhood, popularly known as the "Ghetto". Visitors to the collection will also find fraternity, sorority, and large imposing houses featured in the photographs of the "Ghetto". Visitors shouldn't miss browsing the many aerial views of campus and surrounding neighborhoods from the 1920s. Simply click on "campus", and enjoy the many views. Fans of the actor Tyrone Power should check out the picture of him with the University of Dayton football team in Hollywood in 1939 at Twentieth Century-Fox Studios. Visitors can also browse the collection or use the advanced search option.

115

Selling University Reform: The University of Melbourne and the Press  

ERIC Educational Resources Information Center

Since the advent of the "Times Higher Education Supplement World University Rankings" and the "Academic Rankings of World Universities" by Shanghai Jiao Tong University, some Australian universities have become especially concerned with being ranked among the 100 leading universities. The University of Melbourne, Australia's second oldest…

Potts, Anthony

2012-01-01

116

Raisin Bread Universe  

NSDL National Science Digital Library

In this lesson, students examine the idea of inflation in the Universe using rising raisin bread dough as a model for universal expansion. Students will read the Cosmic Times 1993 edition and use two articles: Pancake or Oatmeal Universe - What's for Breakfast and Inflation in the Universe to help them make observations. The students will observe a bowl of oatmeal to explain the lumpiness and smoothness of the universe. Then the students will use raisin bread to describe how the universe went through a period of inflation to expand into its current form today. This lesson is part of the Cosmic Times teacher guide and is intended to be used in conjunction with the 1993 Cosmic Times Poster.

117

University contract research guidelines  

NASA Astrophysics Data System (ADS)

Concerns have been raised in the past few years over the increasing reliance of universities on contracts with outside agencies, public and private. These concerns have been the subject of meetings by the National Commission on Research, the Pajaro Dunes conference of university presidents and corporation executives, the Association of American Universities, and the Association of American University Professors, among others.The American Civil Liberties Union (ACLU) recently revised its “Policy #64: The University and Contract Research,” to address these issues in a way that “will help [university] administration and faculty act so that [their] relationship with government agencies or private industry will in no way violate the professional freedoms which have contributed so much to the status of American higher education.” The ACLU has followed the issue, it says, “because of our determination that contractual relationships proceed within a framework that protects fundamental academic freedoms.”

118

Enlistment Propensities of University Students.  

National Technical Information Service (NTIS)

Enlistment propensities of undergraduates were assessed through surveys conducted at Northwestern University, University of Arizona, University of California-Los Angeles, and University of Illinois-Chicago. The core finding was that there is a definite, a...

C. Moskos

2004-01-01

119

The expansive nondecelerative universe  

NASA Astrophysics Data System (ADS)

It is shown that, among the models of the universe described by Friedmann's (1922, 1924) equations of universe dynamics, the only model which does not contradict observations is the model of a flat expansive nondecelerative universe (ENU), derived by Skalsky and Sukenik (1991, 1992) and Skalsky (1991). This model fulfills the conditions which result from the special theory of relativity, the general theory of relativity, and the quantum mechanics, and unites them in a complementary manner.

Skalsky, Vladimir

1993-03-01

120

Welcome to the Universe  

NSDL National Science Digital Library

A compliment to the Boston Museum of Science's exhibit, Welcome to the Universe is a "collection of web sites" aimed at teaching visitors about the Universe. Sites are organized into six categories: Patterns in the Sky, Size and Scale, Life Story of the Universe, Learning from Light, Additional Astronomy Resources, and Community Solar System. Each section provides a list of web sites and activities for hands-on learning.

121

The Internet University  

NSDL National Science Digital Library

The Internet University, provided by Cape Software, is an annotated listing of over 300 college and university distance learning courses available via the Internet. Course information is arranged by subject from Arts to Sociology. Information is provided about the institution offering the course, as well as tuition, fees, and contact information. A "Providers" section organizes information by college or university. A "Research" section provides links to mailing lists, FTP sites, Usenet newsgroups, and telnet and Web sites with information about "online college and university study resources." In the future Cape Software plans an "Internet High School," with online high school and equivalency providers, and an "Internet Pilgrim," with online spiritual resources.

122

Universally Composable Commitments  

Microsoft Academic Search

We propose a new security measure for commitment protocols, called Universally Composable (UC) Commitment. The measure guarantees that commitment protocols behave like an \\\\ideal commitment service,\\

Ran Canetti; Marc Fischlin

2001-01-01

123

Explore the Universe  

NSDL National Science Digital Library

The new online exhibit, Explore the Universe, is provided by the Smithsonian National Air and Space Museum. The site "presents the major discoveries that have given us our current scientific view of the universe, illustrates how the universe is taking shape and probes the mysteries that remain." The exhibit, which is especially interesting when viewed with necessary browsers and multimedia software, delves into the history of space exploration from Galileo and the earliest ideas about the universe to the digital technology of today. The visually stunning exhibit should be enjoyable to explore and offers people of all ages a great way to learn about the human need to know what lies beyond.

2007-12-03

124

The Chinese Television University.  

ERIC Educational Resources Information Center

Presents an overview of China's Beijing Broadcasting and Television University: background, establishment, administration and structure, students, courses, teaching package, and course production. (JD)

McCormick, R.

1980-01-01

125

Birth of inflationary universes  

Microsoft Academic Search

A cosmological model is proposed in which the Universe is created by quantum tunneling from ''nothing'' into a de Sitter space. The tunneling is described by a de Sitter-- p Hawking--Moss instanton. After the tunneling, the model evolves along the lines of the inflationary scenario. It is argued that at any time there exist parts of the Universe which are

Alexander Vilenkin

1983-01-01

126

Astronomy and the Universe  

NSDL National Science Digital Library

With three levels to choose from on each page - beginner, intermediate or advanced - this site provides links to webpages that share information that relates to every element of the universe, like the cosmos, star dust, and planets. The information is shared in a clear and interesting way, with updated news and even universe maps.

2001-08-08

127

Arizona State University. Exemplars.  

ERIC Educational Resources Information Center

This report discusses how the Arizona Board of Regents, which has governing authority over the state's three public universities, dealt with the inability of the universities to respond to new societal needs in a timely manner; a major impediment was felt to be tenure. After a series of meetings of administrators and faculty leaders, the Board…

Wegner, Gregory R.

128

The Enquiring University Teacher.  

ERIC Educational Resources Information Center

This book is a guide to an approach to professional development in which one's own teaching is a field of inquiry. The book explores the nature of the university teacher's inquiry and the importance of questioning personal and intellectual values in university teaching. The chapters are: (1) "Introduction to the Enquiry"; (2) "The Relationship…

Rowland, Stephen

129

University Rankings in China  

ERIC Educational Resources Information Center

Since the mid 1990s of last Century, university rankings have become very popular in China. Six institutions have published such rankings; some of them have also detailed their ranking methodologies. This paper features a general introduction to university ranking in China, and to the methodologies of each ranking discussed. The paper also…

Liu, Nian Cai; Liu, Li

2005-01-01

130

University Patent Policy.  

ERIC Educational Resources Information Center

The relationship between university research and public need is discussed from both a historical and contemporary perspective. Examples are cited of European experiences in which there has been obvious industrial motivation for research performed by the universities. The author notes that there are no difficulties with the level of government…

Latker, Norman J.

131

Our Heirarchical Universe  

NSDL National Science Digital Library

This site discusses several hot topic questions in the astronomy world. For example, the expansion of the universe, dark matter, and how did giant superstructures form out of a smooth universe. There are many pictures and movie clips interspersed throughout the website.

Norman, Michael

2005-04-25

132

University HRD Programs. Symposium.  

ERIC Educational Resources Information Center

This symposium is comprised of four papers on university human resource development (HRD) programs. "Passions for Excellence: HRD Graduate Programs at United States Universities" (K. Peter Kuchinke) presents an analysis of case studies that reveals convergent and divergent themes related to the genesis of programs and subsequent theoretical…

2002

133

The Universal Solvent.  

ERIC Educational Resources Information Center

Describes five exemplary digital resource centers at the University of Virginia used by K-12 learners as well as by university students and faculty. These modern archives contain vast resources of thousands of primary sources, data sets, multimedia files, and analytical tools, all of which are electronically accessible to K-12 schools and…

Bull, Glen; Bull, Gina; Dawson, Kara

1999-01-01

134

The Pennsylvania State University  

ERIC Educational Resources Information Center

Founded in 1855 as the Farmer's High School, the Pennsylvania State University (Penn State) began as a small college in Centre County providing agricultural education to young men from regional farm families. Penn State became a land-grant university in 1863 following passage of the Morrill Act. Today, Penn State enrolls more than 83,000 students…

Burlingame, Philip J.; Dowhower, Andrea L.

2009-01-01

135

The universal propagator  

NASA Technical Reports Server (NTRS)

For a general Hamiltonian appropriate to a single canonical degree of freedom, a universal propagator with the property that it correctly evolves the coherent-state Hilbert space representatives for an arbitrary fiducial vector is characterized and defined. The universal propagator is explicitly constructed for the harmonic oscillator, with a result that differs from the conventional propagators for this system.

Klauder, John R.

1993-01-01

136

University-industry interaction  

NASA Technical Reports Server (NTRS)

It is posited that university industry interaction is highly desirable from the viewpoint of the long term economic development of the country as well as being desirable for the Space Grant Programs. The present and future possible interactions are reviewed for the three university levels namely, undergraduate, graduate, and faculty research.

Hastings, Daniel E.

1990-01-01

137

Understanding University Technology Transfer  

ERIC Educational Resources Information Center

Federal government agencies provide about $33 billion a year to universities to conduct scientific research. That continuing investment expands human knowledge and helps educate the next generation of science and technology leaders. New discoveries from university research also form the basis for many new products and processes that benefit the…

Association of American Universities, 2011

2011-01-01

138

Managing Tomorrow's University.  

ERIC Educational Resources Information Center

The issues addressed in this conference report concern budgeting, the resourceful manager, extramural funding, employer-employee interaction, management information systems, and management of the university in the future. Contents include: the keynote address by F. E. Balderston; "University Budgeting in an Era of Scarce Resources," by F. M. Bowen…

Michalak, Craig L., Ed.

139

Financing University Research  

Microsoft Academic Search

While the detailed mechanisms of the interplay of knowledge creation and economic growth have been discussed in great detail by endogenous growth theory, this paper is interested in assessing the role that universities play in the knowledge based economy. It does so at the example of best practice scenarios, as currently being undertaken by the University of Oxford, U.C. Berkeley,

Roya Ghafele

2012-01-01

140

Marketing University Outreach Programs.  

ERIC Educational Resources Information Center

A collection of 12 essays and model program descriptions addresses issues in the marketing of university extension, outreach, and distance education programs. They include: (1) "Marketing and University Outreach: Parallel Processes" (William I. Sauser, Jr. and others); (2) "Segmenting and Targeting the Organizational Market" (Vaughan C. Judd); (3)…

Foster, Ralph S., Jr., Ed.; And Others

141

Modelling University Governance  

ERIC Educational Resources Information Center

Twentieth century governance models used in public universities are subject to increasing doubt across the English-speaking world. Governments question if public universities are being efficiently governed; if their boards of trustees are adequately fulfilling their trust obligations towards multiple stakeholders; and if collegial models of…

Trakman, Leon

2008-01-01

142

University Freedom in Turkey  

ERIC Educational Resources Information Center

Freedom means the right of the universities to do their scientific activities and to regulate and do the higher education through their organs. The three feet that make up the university freedom are scientific freedom, administrative freedom and financial freedom. Scientific freedom is realized by the freedom of the faculty and teaching staff and…

Dolasir, Semiyha

2006-01-01

143

Scaling Down The Universe  

NSDL National Science Digital Library

A unit intended to teach children the size and scale of the Universe. Through hands-on manipulatives the students proceed in sequential stages to create four models, beginning with the Solar System and ending with the entire Universe. They also learn the distance of a light year.

Leger, Victor

2007-03-29

144

The Expanding Universe  

NSDL National Science Digital Library

This activity demonstrates with balloons the expansion of the universe. Distances between points on the balloon are meausred as the balloon expands, showing how all are getting farther apart. After the activity the students are asked questions about the universe's expansion.

Slater, Tim P.

2004-07-16

145

Marquette University Faculty Handbook.  

ERIC Educational Resources Information Center

The 1975 handbook is organized into five major sections: university objectives and organization; academic organization; faculty status, benefits, and responsibilities; general university facilities and services; and Milwaukee community services and opportunities. Academic organization focuses on the Office of Academic Affairs, Academic Senate and…

Marquette Univ., Milwaukee, WI.

146

Leveraging University Creativity.  

National Technical Information Service (NTIS)

Today, more than 200 universities are conducting R&D efforts across a broad range of sciences in support of the Department of Defense (DoD). Intricate parts of this research partnership are the University Affiliated Research Centers (UARC), which represen...

J. Broughton

2012-01-01

147

New Openings in University-Industry Cooperation: Aalto University as the Forerunner of European University Reform  

ERIC Educational Resources Information Center

The Innovation University (IU)--to be called the Aalto University after Alvav Aalto, a famous Finnish architect and MIT professor--is a new university which will be created through a merger of three existing universities: the Helsinki University of Technology (TKK), the Helsinki School of Economics (HSE) and the University of Art and Design…

Markkula, Markku; Lappalainen, Pia

2009-01-01

148

Central Michigan University  

NSDL National Science Digital Library

Central Michigan University serves Michigan and the larger community as a doctoral/research intensive public university focused on excellent teaching and student-focused learning. The University is committed to providing a broad range of undergraduate and graduate programs and services to prepare its students for varied roles as responsible citizens and leaders in a democratic and diverse society. Its programs encourage intellectual and moral growth, prepare students for meaningful careers and professions, instill the values of lifelong learning, and encourage civic responsibility, public service and understanding among social groups in a global society. The university emphasizes an undergraduate program that maintains a balance between general education and specialization. In addition to educational depth in at least one academic discipline or professional field, the university provides educational experiences in the arts, humanities, natural and social sciences, global cultures, and issues of race and diversity. The university offers selected high quality graduate programs in traditional disciplines and professional fields. Through its College of Extended Learning, the university provides access to higher education programs and lifelong learning opportunities both nationally and internationally through a variety of innovative instructional methods and schedules designed to meet the demands of adult populations. Central Michigan University encourages research, scholarship and creative activity and promotes the scholarly pursuit and dissemination of new knowledge, artistic production and applied research. Through its support of research, the university enhances the learning opportunities of both its undergraduate and graduate students and promotes economic, cultural and social development. The university�s sense of community is reflected through governance structures that allow broadbased participation, opportunities for close student-faculty interaction, and a rich array of residential and campus-based co-curricular activities. Through its partnerships and outreach efforts, the university promotes learning outsideof the traditional classroom and enhances the general welfare of society.

University, Central M.

149

University and Jepson Herbaria  

NSDL National Science Digital Library

The University of California Berkeley's "University Herbarium (UC) and Jepson Herbarium (JEPS) represent the largest collection of herbarium material west of the Missouri Botanical Garden and the largest at a public university in the United States." Visitors can discover the scientific uses of the many specimens held in the UC, which was established in 1895. The website describes the JEPS's research on systematics and floristics of vascular plants. Researchers and students can find concise overviews, articles, and publications about the Californian - Iranian Botanical Program, angiosperm and bryology studies, and additional botanical studies.

150

The German University System.  

National Technical Information Service (NTIS)

The German system of higher education is described under consideration of the recent changes. Also covered are degrees granted, the organization of the universities, the social status of the degree holder, the role of the professions. The report is intend...

R. T. Schneider

1975-01-01

151

Cosmology: A virtual Universe  

NASA Astrophysics Data System (ADS)

A numerical simulation of cosmic structure formation reproduces both large- and smaller-scale features of a representative volume of the Universe from early in its history to the present day. See Article p.177

Boylan-Kolchin, Michael

2014-05-01

152

Marquette University Neuroanatomical Dissection  

NSDL National Science Digital Library

This website provides information regarding Marquette University' Neuroanatomical Dissection Summer Course. The focus of the course is an intensive review of the brain and spinal cord. Participants will spend a portion of the course dissecting a cadaver.

Marquette University (Marquette University)

2012-07-24

153

The Molecular Universe  

NSDL National Science Digital Library

Molecular Universe provides accessible information on molecules and molecular systems. It provides images and explanatory text on topics such as Building in Three Dimensions, Boundaries and Barriers, and The Molecules of Life.

Catlow, Richard

2003-10-10

154

BUG BITBUS Universal Gateway.  

National Technical Information Service (NTIS)

The BITBUS Universal Gateway (BUG) provides a unique, cost effective solution to many different computer interface problems. Each BUG node, utilizing ''on board'' intelligence, has the ability to provide a communication link between BITBUS protocol and ot...

G. Nawrocki

1996-01-01

155

Best-fit universe.  

National Technical Information Service (NTIS)

Inflation provides very strong motivation for a flat Universe, Harrison-Zel'dovich (constant-curvature) perturbations, and cold dark matter. However, there are a number of cosmological observations that conflict with the predictions of the simplest such m...

M. S. Turner

1990-01-01

156

The hidden universe  

SciTech Connect

Astronomer Disney has followed a somewhat different tack than that of most popular books on cosmology by concentrating on the notion of hidden (as in not directly observable by its own radiation) matter in the universe.

Disney, M.

1985-01-01

157

University-Industry Interaction.  

National Technical Information Service (NTIS)

It is posited that university industry interaction is highly desirable from the viewpoint of the long term economic development of the country as well as being desirable for the Space Grant Programs. The present and future possible interactions are review...

D. E. Hastings

1990-01-01

158

Association of American Universities  

NSDL National Science Digital Library

Founded in 1900, the Association of American Universities (AAU) initially consisted of the fourteen universities that offered the Ph.D. degree. Currently their number includes 60 American universities and two Canadian universities. The AAU's overall mission is to develop national policy positions of primary relevance to academic research and graduate and professional education. Of course, the organization's work also extends to other germane areas, including timely discussion of undergraduate education. On the AAU site, visitors can learn about the organization's most recent work, read about its positions on intellectual property issues, and peruse the latest AAU newsletters. The section of the site dedicated to internally produced reports will be of great interest to some, as it contains helpful work on such topics as "Reinvigorating the Humanities: Enhancing Research and Education on Campus and Beyond."

159

A-Temporal Universe  

NASA Astrophysics Data System (ADS)

In scientific experiments we observe irreversible material change.. Physical time exists only as a stream of this change. Newton's time is only a concept through which one experiences irreversible stream of change. Universe is an a-temporal phenomena

Sorli, A.; Sorli, I.

2004-08-01

160

University/industry research  

NASA Astrophysics Data System (ADS)

The problems encountered in mixing industrial and university research goals can be major, but so can the benefits. The National Science Board (NSB) recently released a report on “University-Industry Research Relationships: Selected Studies” (U.S. Government Printing Office, Washington, DC, 1983). It is an analysis of the much-discussed new trend toward increased industrial funding of university research projects.University laboratories cannot generally solve industry's R&D problems. Success for the corporation in sponsoring academic research is realized in the value of cooperative research programs as training exercises for future industrial scientists. An occasional patent arising from such a project is considered an added benefit, not a primary goal.

Bell, Peter M.

161

The 3-D Universe  

NSDL National Science Digital Library

This Moveable Museum article, available as a printable PDF file, looks at how astronomers use data to create 3-D models of the universe. Explore these concepts further using the recommended resources mentioned in this reading selection.

162

Universal planetary tectonics (supertectonics)  

Microsoft Academic Search

Universal planetary tectonics (supertectonics) G. Kochemasov IGEM of the Russian Academy of Sciences, Moscow, Russia, kochem.36@mail.ru The wave planetology [1-3 & others] proceeds from the following: \\

G. G. Kochemasov

2009-01-01

163

Universal router concept  

NASA Technical Reports Server (NTRS)

Portable universal router can cut holes of large diameter and irregular shapes, machine recesses, and drill holes with certain edge-distance limitations. Rectangular and round holes may be cut without a template.

Pesch, W. A.

1970-01-01

164

Expanding the Universe  

NASA Astrophysics Data System (ADS)

Proceedings of the International Conference EXPANDING THE UNIVERSE, On the occasion of the 200th anniversary of the Tartu Observatory, Tartu, Estonia 2011 April 27-29. C. Sterken, L. Leedjarv, E. Tempel (Eds.)

Sterken, Christiaan; Leedjärv, Laurits; Tempel, Elmo

2011-12-01

165

Universality in sandpile models  

NASA Astrophysics Data System (ADS)

A classification of sandpile models into universality classes is presented. On the basis of extensive numerical simulations, in which we measure an extended set of exponents, the Manna two-state model [S. S. Manna,

J. Phys. A. 24, L363 (1991)
] is found to belong to a universality class of random neighbor models which is distinct from the universality class of the original model of Bak, Tang, and Wiesenfeld [P. Bak, C. Tang, and K. Wiesenfeld,
Phys. Rev. Lett. 59, 381 (1987)
]. Directed models are found to belong to a universality class which includes the directed model introduced and solved by Dhar and Ramaswamy [D. Dhar and R. Ramaswamy,
Phys. Rev. Lett. 63, 1659 (1989)
].

Ben-Hur, Asa; Biham, Ofer

1996-02-01

166

University of Arizona - 2  

Cancer.gov

Programs and Projects Prostate Cancer Clinical Trials - University of Arizona (Multicenter Sites) Agent: Selenium yeast Contact: Frederick Ahmann, MD DCP Program Director: Howard Parnes, MD The purpose of this study is to see if selenium in the form of

167

California's "Free" Universities  

ERIC Educational Resources Information Center

Heliotrope, Orpheus, and Communiversity, San Francisco's three free universities, offer curricula with combinations of alchemy, magic, Volkswagen repairs, options in education, dance, conversational Mandarin, basic plumbing, and brain wave experiences. (Author/PG)

Cudhea, David

1974-01-01

168

University of California  

NSF Publications Database

In January 1997, HHS concluded that the University's RMS costing methodology was not in compliance with OMB Circular A-21, Cost Principles for Educational Institutions, for direct-charging administrative and clerical costs to federal awards. F&A costs are synonymous with the term "indirect costs." 2 Inconsistent Costing Leads to Excessive Charges Contrary to federal regulations, the University added administrative and clerical costs as RMS charges directly to NSF awards. However, the ...

169

Universal entanglement concentration  

Microsoft Academic Search

We propose a new protocol of \\\\textit{universal} entanglement concentration, which converts many copies of an \\\\textit{unknown} pure state to an \\\\textit{% exact} maximally entangled state. The yield of the protocol, which is outputted as a classical information, is probabilistic, and achives the entropy rate with high probability, just as non-universal entanglement concentration protocols do. Our protocol is optimal among all

Keiji Matsumoto; Masahito Hayashi

2005-01-01

170

Age of the Universe  

NSDL National Science Digital Library

Some scientists say the universe is 10 billion years old; others say it is 20 billion. The problem is that different methods of measuring give different answers. This radio broadcast considers 2 methods: determining the age of stars; and determining the speed and distance of stars. The conflict in the two methods points to possible problems in the theory of the expanding universe or the lifetime of stars. The clip is 2 minutes in length.

171

The Runaway Universe  

SciTech Connect

The Universe appears to be flat, accelerating and lightweight. In this talk, I will explain what these terms mean, how we developed this view and its implications. I will also discuss the connection between cosmology and particle physics experiments being conducted at accelerators and in underground laboratories. I will conclude with a description of some proposed telescopes that will help us understand much more about the geometry, expansion and contents of our Universe.

Blanford, Roger

2004-10-26

172

Dance Links University Pages  

NSDL National Science Digital Library

One of the highlights of the Dance Links Web site , compiled mainly from information provided by dance videographer Amy Reusch, is the University Dance Departments pointers page, a collection of pointers to over 150 U.S. University Dance departments, as well as departments in Australia, Canada, Finland, Ireland, and the United Kingdom. Dance Links also points to resources related to dance companies, performance listings, publications, organizations, funding, dance schools, dancers, and other dance indexes.

173

Generic Universe Types  

Microsoft Academic Search

Ownership is a powerful concept to structure the object store and to control aliasing and modifications of objects. This paper presents an ownership type system for a Java-like programming language with generic types. Like our earlier Universe type system, Generic Universe Types enforce the owner-as-modifier discipline. This discipline does not restrict aliasing, but requires modifications of an object to be

Werner Dietl; Sophia Drossopoulou; Peter Müller

2007-01-01

174

The Runaway Universe  

ScienceCinema

The Universe appears to be flat, accelerating and lightweight. In this talk, I will explain what these terms mean, how we developed this view and its implications. I will also discuss the connection between cosmology and particle physics experiments being conducted at accelerators and in underground laboratories. I will conclude with a description of some proposed telescopes that will help us understand much more about the geometry, expansion and contents of our Universe.

175

Physics of the universe  

NASA Astrophysics Data System (ADS)

ch. 1. Physics of the universe. Introduction. Is Newton's theory an explanation of gravity? The expanding universe. The oscillating universe cosmology. The theory of general relativity. The role of space and time. Geometry and matter. Generalization of Einstein's field equations. A unified field theory -- ch. 2. A language of cosmology: the mathematical basis of general relativity. Introduction. Einstein's tensor formulation. The Riemann curvature tensor. The geodesic equation. The vacuum equation. The crucial tests of general relativity. The logic of the spacetime language -- ch. 3. A unified field theory in general relativity: extension from the tensor to the quaternion language. Introduction. Factorization of Einstein's tensor field equations. The Riemann curvature tensor in quaternion form. The quaternion metrical field equations. A symmetric tensor-antisymmetric tensor representation of general relativity - gravity and electromagnetism. The Einstein field equations from the symmetric tensor part. The Maxwell field equations from the antisymmetric tensor part. Conclusions -- ch. 4. An oscillating, spiral universe cosmology. introduction. Dynamics of the expansion and contraction of the universe. Dynamics of the oscillating universe cosmology. Derivation of the Hubble law as an approximation. The spiral structure of the universe. Concluding remarks -- ch. 5. Dark matter. Introduction. The field equations and the ground state solution for the bound particle-antiparticle pair. Olber's paradox -- ch. 6. Concluding remarks. Black holes. Pulsars. On the human race and cosmology -- ch. 7. Philosophical considerations. On truth. Positivism versus realism, subjectivity versus objectivity. On Mach's influence in physics and cosmology. References and notes -- Postscript. Physics in the 21st century. Holism. The universe. The Mach principle and the origin of inertia from general relativity.

Sachs, Mendel

176

University contracts summary book  

SciTech Connect

The principal objectives of the Fossil Energy Program are to seek new ideas, new data, fundamental knowledge that will support the ongoing programs, and new processes to better utilize the nation's fossil energy resources with greater efficiency and environmental acceptability. Toward this end, the Department of Energy supports research projects conducted by universities and colleges to: Ensure a foundation for innovative technology through the use of the capabilities and talents in our academic institutions; provide an effective, two-way channel of communication between the Department of Energy and the academic community; and ensure that trained technical manpower is developed to carry out basic and applied research in support of DOE's mission. Fossil Energy's university activities emphasize the type of research that universities can do best - research to explore the potential of novel process concepts, develop innovative methods and materials for improving existing processes, and obtain fundamental information on the structure of coal and mechanisms of reactions of coal, shale oil, and other fossil energy sources. University programs are managed by different Fossil Energy technical groups; the individual projects are described in greater detail in this book. It is clear that a number of research areas related to the DOE Fossil Energy Program have been appropriate for university involvement, and that, with support from DOE, university scientific and technical expertise can be expected to continue to play a significant role in the advancement of fossil energy technology in the years to come.

None

1980-08-01

177

University/Industry Cooperative Interactions.  

National Technical Information Service (NTIS)

Factors essential to getting a more successful cooperative arrangement between university and industry are summarized: A high commitment by both faculty and high level administrators at the university to the concept of creating a recognized university res...

J. A. Bonnet J. T. Pytlinski

1985-01-01

178

Commentary: University-Industry Alliances.  

ERIC Educational Resources Information Center

Addresses issues and assesses developments in research and development collaborative efforts between universities and industry. Provides an historical context and explores current industry-university alliances. (ML)

Nelkin, Dorothy; And Others

1987-01-01

179

University Reactor Instrumentation Program  

SciTech Connect

Recognizing that the University Reactor Instrumentation Program was developed in response to widespread needs in the academic community for modernization and improvement of research and training reactors at institutions such as the University of Florida, the items proposed to be supported by this grant over its two year period have been selected as those most likely to reduce foreed outages, to meet regulatory concerns that had been expressed in recent years by Nuclear Regulatory Commission inspectors or to correct other facility problems and limitations. Department of Energy Grant Number DE-FG07-90ER129969 was provided to the University of Florida Training Reactor(UFTR) facility through the US Department of Energy's University Reactor Instrumentation Program. The original proposal submitted in February, 1990 requested support for UFTR facility instrumentation and equipment upgrades for seven items in the amount of $107,530 with $13,800 of this amount to be the subject of cost sharing by the University of Florida and $93,730 requested as support from the Department of Energy. A breakdown of the items requested and total cost for the proposed UFTR facility instrumentation and equipment improvements is presented.

Vernetson, W.G.

1992-11-01

180

University teaching - where next?  

NASA Astrophysics Data System (ADS)

A one-day workshop will take place on 23 April 1999 at the University of Edinburgh's Conference and Training Centre to consider the topic `The future of university teaching? Multimedia, web and new technologies'. The workshop is being organized by Edinburgh Parallel Computing Centre and will be attended by experts in distance learning from various institutions including the Clyde Virtual University and the Open University, plus a speaker from the USA. They will present case studies of the opportunities new technologies provide for higher education, covering all aspects from development of electronic courses through delivery mechanisms to user feedback. There is certainly an increasing need for quality teaching materials and new ways of learning. The workshop will aim to discuss how those involved in university teaching can benefit from new developments such as multimedia, the Internet, as well as new computing and networking technologies. Participation is free, with lunch and refreshments provided. More information and registration details can be found at http://www.epcc.ed.ac.uk/epcc-tec/JTAP/workshop/ or by e-mail to epcc-tec@epcc.ed.ac.uk.

1999-03-01

181

An output comparison of open university and conventional university students  

Microsoft Academic Search

Previous economic studies of the Open University have concentrated on the cost side; this paper looks at the output of the Open University compared to conventional universities. In 1976 multiple choice questions were included in the two second level economics examination papers (D222 and D282); norming data for these questions had already been generated for thousands of university students from

Keith Lumsden; Alex Scott

1982-01-01

182

Who Should Go to University? Justice in University Admissions  

ERIC Educational Resources Information Center

Current debates regarding justice in university admissions most often approach the question of access to university from a technical, policy-focussed perspective. Despite the attention that access to university receives in the press and policy literature, ethical discussion tends to focus on technical matters such as who should pay for university

Kotzee, Ben; Martin, Christopher

2013-01-01

183

Music of the Universe  

SciTech Connect

Scientists are quite familiar with what a supernova looks like — when these stars are destroyed in the most massive explosions in the universe, they leave their mark as one of the brightest objects in space, at least for several weeks. While the supernova can be seen, it cant be heard, as sound waves cannot travel through space. But what if the light waves emitted by the exploding star and other cosmological phenomena could be translated into sound? Thats the idea behind a Rhythms of the Universe, a musical project to sonify the universe by Grateful Dead percussionist and Grammy award-winning artist Mickey Hart that caught the attention of Nobel Prize-winning astrophysicist George Smoot of Lawrence Berkeley National Laboratory. Sounds courtesy of Keith Jackson. Images courtesy of NASA

None

2010-01-01

184

Universality in network dynamics  

NASA Astrophysics Data System (ADS)

Despite significant advances in characterizing the structural properties of complex networks, a mathematical framework that uncovers the universal properties of the interplay between the topology and the dynamics of complex systems continues to elude us. Here we develop a self-consistent theory of dynamical perturbations in complex systems, allowing us to systematically separate the contribution of the network topology and dynamics. The formalism covers a broad range of steady-state dynamical processes and offers testable predictions regarding the system's response to perturbations and the development of correlations. It predicts several distinct universality classes whose characteristics can be derived directly from the continuum equation governing the system's dynamics and which are validated on several canonical network-based dynamical systems, from biochemical dynamics to epidemic spreading. Finally, we collect experimental data pertaining to social and biological systems, demonstrating that we can accurately uncover their universality class even in the absence of an appropriate continuum theory that governs the system's dynamics.

Barzel, Baruch; Barabási, Albert-László

2013-10-01

185

The Biological Universe Revisited  

NASA Astrophysics Data System (ADS)

Cosmic Evolution has been seen as leading to two possible world views: a physical universe in which life is rare or unique to Earth, and a biological universe, in which the processes of cosmic evolution commonly end in life. These two worldviews now hang in the balance, in the same way that the heliocentric and geocentric worldviews were in the balance four hundred years ago when Galileo wrote his Dialogue on the Two Chief World Systems (1632). Astrobiology is the science that will decide which of the two modern astronomical worldviews is true. A third world view, the postbiological universe, is also possible and deserves more discussion. The confirmation of one of these worldviews will have profound implications for human destiny.

Dick, Steven J.

2005-01-01

186

The Biological Universe  

NASA Astrophysics Data System (ADS)

Throughout the twentieth century, from the furor over Percival Lowell's claim of canals on Mars to the sophisticated Search for Extraterrestrial Intelligence, otherworldly life has often intrigued and occasionally consumed science and the public. The Biological Universe provides a rich and colorful history of the attempts during the twentieth century to answer questions such as whether "biological law" reigns throughout the universe and whether there are other histories, religions, and philosophies outside those on Earth. Covering a broad range of topics, including the search for life in the solar system, the origins of life, UFOs, and aliens in science fiction, Steven J. Dick shows how the concept of extraterrestrial intelligence is a world view of its own, a "biophysical cosmology" that seeks confirmation no less than physical views of the universe. This book will fascinate astronomers, historians of science, biochemists, and science fiction readers.

Dick, Steven J.

1999-12-01

187

Creation of the universe  

NASA Astrophysics Data System (ADS)

Philosophical aspects of current cosmological theories are explored in an introduction for general readers. Chapters are devoted to the physical implications of an ancient Chinese story, expansion without a center, the age of the universe, the finiteness or infiniteness of space, visible and invisible matter, the birth of order from chaos, and the thermal history of the universe. Consideration is given to the synthesis of elements, the origin of asymmetry, the inflation of vacuum, the physics of the first move, and the anthropic principle and physical constants. Diagrams and drawings are provided.

Fang, Li Zhi; Li, Shu Xian

188

College and University Rankings  

NSDL National Science Digital Library

College and University Rankings, compiled by Nancy P. O'Brien, Head of the Education and Social Science Library at the University of Illinois at Urbana-Champaign, provides an annotated list of resources that rank higher education institutions. The list of ranking resources is conveniently divided into five sections: general/undergraduate, graduate, business, law, and international. However, this site is not merely a list of sites; it also includes an informative essay entitled Caution and Controversy, which questions and evaluates the methods and usefulness of ranking services, and provides users with electronic and print resources for the independent assessment of ranking services.

189

The Gaia Universe Model  

NASA Astrophysics Data System (ADS)

The ESA Gaia astrometric mission has been designed to create an extraordinarily precise 3D map of about one billion of stars throughout the Galaxy and beyond. The Gaia Universe Model provides the astronomical sources - with their 3D position, velocity, magnitude and physical parameters- required to generate the simulated data for the development and testing of the massive data reduction software. Different types of objects, both galactic and extra-galactic, are provided by the model, including normal stars, several types of variable stars, supernovae, unresolved stars or quasars. A full description of the Gaia Universe Model can be found in Robin et. al 2012 (Astronomy & Astrophysics, 453, A100).

Masana, E.; Luri, X.; Borrachero, R.; Robin, A.; Jordi, C.

2013-05-01

190

Boston University Digital Common  

NSDL National Science Digital Library

Boston University has a range of scholars, from those who research the hospitality field to others who are fascinated by the world of photonics. The University's Digital Common Repository contains thousands of documents and publications that span this wide range, authored or co-authored by BU faculty, students, and staff. The different communities here are divided into sections that include College of Arts and Sciences, Centers & Institutes, and Metropolitan College. Visitors will find religious sermons, pieces of music, working economics papers, and a vast cornucopia of other materials. Also, visitors are encouraged to use the Browse feature to look for documents by title, subject, author, or date.

191

Hypercharge-universal topcolor  

SciTech Connect

We propose and discuss the phenomenology of a topcolor-assisted technicolor model with a flavor-universal hypercharge sector. After discussing the symmetry-breaking pattern and low-energy effective Lagrangian, we examine various experimental and theoretical constraints, finding that precision electroweak measurements yield the strongest bounds on the model. We perform a combined fit to all available Z-pole and LEP2 data and find that the goodness of fit for hypercharge-universal topcolor is comparable to that of the standard model. In contrast, topcolor-assisted technicolor models with a flavor nonuniversal hypercharge sector are markedly disfavored by the data.

Braam, Felix; Flossdorf, Michael; Chivukula, R. Sekhar; Di Chiara, Stefano; Simmons, Elizabeth H. [Institute of Physics, University of Freiburg, 79104 Freiburg (Germany); Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824 (United States)

2008-03-01

192

Universities Water Information Network  

NSDL National Science Digital Library

The Universities Water Information Network (UWIN), located at Southern Illinois University in Carbondale, Illinois, "disseminates information of interest to the water resources community and all concerned with our water resources." Although much of the site is accessed by paid subscription only, several resources are offered free to anyone. A database of water related consulting firms contains contact information, including name, acronym, postal address, phone, fax, email, and contact person. Another helpful resource, the organizations database, lists water resource agencies, organizations, and institutions in the US, Caribbean, and Central America. Other items of interest include job listings, press releases, and more.

2001-01-01

193

Does the universe supercool?  

NASA Astrophysics Data System (ADS)

The existence of a supercooled phase transition in the very early universe can have important consequences such as inflation. This is often modelled by a Coleman-Weinberg potential. A Monte Carlo simulation is performed in such a potential to produce the phase diagram, and the results suggest that the phase transition is second order for small values of the gauge coupling constant. However, it is possible to establish by heuristic arguments that the universe still supercools provided that the expansion rate satisfies a certain inequality during the phase transition.

Moss, I. G.; Wright, W. A.

1986-09-01

194

The Biological Universe  

NASA Astrophysics Data System (ADS)

Introduction; 1. From the physical world to the biological universe: Democritus to Lowell; 2. Plurality of worlds and the decline of anthropocentrism; 3. The solar system: the limits of observation; 4. Solar systems beyond: the limits of theory; 5. Extraterrestrials in literature and the arts: the role of imagination; 6. The UFO controversy: on perception and deception; 7. The origin and evolution of life in the extraterrestrial context; 8. SETI: the Search for Extraterrestrial Intelligence; 9. The convergence of disciplines: birth of a new science; 10. The meaning of life; Summary and conclusion: the biological universe and the limits of science.

Dick, Steven J.

2000-03-01

195

The Biological Universe  

NASA Astrophysics Data System (ADS)

Introduction; 1. From the physical world to the biological universe: Democritus to Lowell; 2. Plurality of worlds and the decline of anthropocentrism; 3. The solar system: the limits of observation; 4. Solar systems beyond: the limits of theory; 5. Extraterrestrials in literature and the arts: the role of imagination; 6. The UFO controversy: on perception and deception; 7. The origin and evolution of life in the extraterrestrial context; 8. SETI: the Search for Extraterrestrial Intelligence; 9. The convergence of disciplines: birth of a new science; 10. The meaning of life; Summary and conclusion: the biological universe and the limits of science.

Dick, Steven J.

1996-09-01

196

Imaging the early universe  

SciTech Connect

An international team of cosmologists has released the first detailed images of the universe in its infancy. The images reveal the structure that existed when the universe was a tiny fraction of its current age and 1,000 times smaller and hotter than it is today. Research carried out as part of this project is shedding light on some of cosmology's long-standing mysteries, such as the nature of the matter and energy that dominate intergalactic space and whether space is ''curved'' or ''flat.''(c) 2000 Optical Society of America.

Krupa, Tyler J. [Optical Society of America, 2010 Massachusetts Avenue, N.W., Washington, D.C. 20036 (United States)

2000-07-01

197

Universals in the World's Musics  

ERIC Educational Resources Information Center

Many decades of skepticism have prevented the field of musicology from embracing the importance of musical universals. When universals "have" been discussed, it has generally been in the form of meta-critiques about the concept of universals, rather than in positive proposals about actual universals. We present here a typology of four categories…

Brown, Steven; Jordania, Joseph

2013-01-01

198

Technology Transfer and the University.  

ERIC Educational Resources Information Center

The commercialization of university research and the growing importance of technology transfer is examined through discussing and comparing the history of technology transfer and its organization in four major American research universities: University of California, Berkley; Massachusetts Institute of Technology; Stanford University; and…

Matkin, Gary W.

199

Universe reheating after inflation  

Microsoft Academic Search

We study the problem of scalar particle production after inflation by an inflaton field which is oscillating rapidly relative to the expansion of the universe. We use the framework of the chaotic inflation scenario with quartic and quadratic inflaton potentials. Particles produced are described by a quantum scalar field chi, which is coupled to the inflaton via linear and quadratic

Y. Shtanov; J. Traschen; R. Brandenberger

1995-01-01

200

Life in the Universe  

ERIC Educational Resources Information Center

The belief that life exists in the universe is an optimism shared by many. With several manned missions expected to be carried out in the future, the possibility of discovering life in outer space will revolutionize the field of astrobiology. In this article, the author presents a summary of recent developments and discoveries made in the search…

Lowman, Paul D., Jr.

2003-01-01

201

The New Spongiform University.  

ERIC Educational Resources Information Center

The great works of Western civilization, long held up to college students as models of human achievement, are rapidly being replaced by trivia and by multicultural and poststructural studies. With the growth of postmodern studies has come a decline in broad-based core requirements. This paper recommends rooting postmodernism out of the university

de Russy, Candace

1998-01-01

202

Glasgow University's Buoyant Scheme.  

ERIC Educational Resources Information Center

LearningWorks, an employee development program for University of Glasgow staff, grants training allowances to pay for learning on their own time. In the first year, 43% of eligible employees participated in a wide range of accessible learning opportunities. (SK)

Maclachlan, Kathy

1998-01-01

203

Personnel Management. Universities.  

ERIC Educational Resources Information Center

This manual is one of 10 completed in the Ohio Management Improvement Program (MIP) during the 1971-73 biennium. In this project, Ohio's 34 public universities and colleges, in an effort directed and staffed by the Ohio Board of Regents, have developed manuals of management practices, in this case, concerning personnel management. Emphasis in this…

Ohio Board of Regents, Columbus. Management Improvement Program.

204

Washington's Instant University  

ERIC Educational Resources Information Center

Describes the problems involved in merging Federal City College (FCC), District of Columbia Teachers College (DCTC), and Washington Technical Institute (WTI) into the University of the District of Columbia (DCU) by September 1976. Background of the three public institutions and legislation by the 93rd Congress mandating the consolidation are…

Gordon, Suzanne

1976-01-01

205

University of Michigan  

Cancer.gov

The establishment of this In vivo Cellular and Molecular Imaging Center (ICMIC) will provide for multidisciplinary interactions between scientists located at the Van Andel Institute and the University of Michigan. The ICMIC will provide the framework for channeling these interactions into fully developed and novel applications in the field of molecular imaging.

206

College and University Planning.  

ERIC Educational Resources Information Center

This issue of "Currents" reviews some of the recent developments in planning techniques for colleges and universities; statewide or regional planning problems are not considered. Following a discussion of planning and its benefits, the process of planning is reviewed and two case studies of planning are examined. Special attention is focused on…

Harvey, James

207

Entrepreneurial Planning: Tufts University.  

ERIC Educational Resources Information Center

This paper focuses on key strategic decisions taken at Tufts University (Massachusetts) under President Jean Mayer noting the role of formal planning and institutional research. Initiatives in the following areas are described: the School of Veterinary Medicine, nutrition, environmental management, entrepreneurial liberation, fund raising, and a…

Dunn, John A.

1990-01-01

208

Best National Universities.  

ERIC Educational Resources Information Center

A ranking of 229 universities in the United States provides survey information concerning academic reputation, student selectivity, faculty resources, financial resources, retention, alumni giving, college entrance examination scores, freshmen's high school rank, acceptance and yield rates, student/faculty ratio, expenditures per student, class…

U.S. News & World Report, 1996

1996-01-01

209

A University Admissions System  

ERIC Educational Resources Information Center

Presents a mathematical programming model that will make admit/reject decisions for freshman university applicants. The model is intended to aid reviewers in producing better, more consistent decisions. The author shows that a linear programming formulation will provide an efficient and practical solution for all but a very few applicants.…

Ittig, Peter T.

1977-01-01

210

University of Washington  

Cancer.gov

The mechanism to be used by the investigators is the development and testing of methods in tandem with existing clinical cancer trials that include PET imaging. This includes imaging studies performed locally at the University of Washington, in small multi-center trials as part of a regional network directed by our cancer center, and as a participant in national multi-center trials.

211

Baby universe theory.  

National Technical Information Service (NTIS)

We give an elementary review of the so called 'the theory of baby universes' which is a series of ideas or speculations about some effects in quantum gravity, viz. the effect of a certain type of wormholes, representing the exchange of small 3-space unive...

H. B. Nielsen M. Ninomiya

1989-01-01

212

Overseas Universities 26.  

ERIC Educational Resources Information Center

Educational policies and programs in overseas universities of developing nations are explored in a series of nine articles. In "Development and the Role of the Humanities," Sir Cyril Philips calls for a reconsideration of the role of the humanities in the educational policies of developing nations and international aid-giving agencies. Malcolm…

Harris, R. G., Ed.

213

Universal Indicator Rainbow Trout  

NSDL National Science Digital Library

In this activity on page 2 of the PDF, learners discover how color changes can help scientists distinguish between acids and bases. Learners create colorful rainbow trout artwork using universal indicator solution and various household liquids. Safety note: learners must wear safety goggles.

Society, American C.

2001-01-01

214

University Reactor Instrumentation Grant  

SciTech Connect

A noble gas air monitoring system was purchased through the University Reactor Instrumentation Grant Program. This monitor was installed in the Kansas State TRIGA reactor bay at a location near the top surface of the reactor pool according to recommendation by the supplier. This system is now functional and has been incorporated into the facility license.

S. M. Bajorek

2000-02-01

215

Universities Are Funny Places!  

ERIC Educational Resources Information Center

Universities are funny places. They have a strong sense of hierarchy and rank. They have an amazing disparity in salary levels and status between staff, are class conscious, and are run by a large bureaucracy that oils and keeps the machinery going. They operate as educational institutions and yet also are entrepreneurial, marketing themselves in…

Lawless, Ann

2006-01-01

216

Mapping the Universe.  

NASA Astrophysics Data System (ADS)

Galaxies congregate into clusters, clusters amass into superclusters and so on - at every observed scale, as astronomers build maps of the sky, they find matter organized into clumps. Yet taken as a whole, the texture of the universe is smooth, in keeping with theory. A new "music of the spheres" may explain how ordered structures emerged from the original smooth chaos.

Landy, S. D.

1999-06-01

217

Creating Adaptable Universities  

ERIC Educational Resources Information Center

Shifting demographics, rising costs of operations, a changing competitive landscape, reductions in state appropriations, pressures for accountability, and a widespread economic decline characterize the environment in which today's colleges and universities operate. This article examines some of the current responses to these challenges and…

Spanier, Graham B.

2010-01-01

218

A Non Singular Universe  

Microsoft Academic Search

The last chapter of my PhD thesis, contained my first singularity theorem. This showed that under certain reasonable conditions, any cosmological solution of the field equations, would have a big bang singularity. At this singularity, classical general relativity would break down, so one could not use it to predict how the universe began. It was therefore necessary to develop a

Stephen Hawking

2005-01-01

219

Time and the Universe  

Microsoft Academic Search

The cosmological parameters are well defined now, after the satellite WMAP has measured anisotropies in the cosmic microwave background with high accuracy. Adding to this the information from the Hubble diagram of type Ia supernovae, and from the analysis of the large scale galaxy distribution, we find that we live in a Universe that undergoes accelerated expansion. The energy densities

Gerhard Börner

2004-01-01

220

The University as Microcosm  

ERIC Educational Resources Information Center

This paper puts forward the model of "microcosm-macrocosm" isomorphism encapsulated in certain philosophical views on the form of university education. The human being as a "microcosm" should reflect internally the external "macrocosm". Higher Education is a socially instituted attempt to guide human beings into forming themselves as microcosms of…

Kaldis, Byron

2009-01-01

221

University for Masses.  

ERIC Educational Resources Information Center

Education, a basic need, is the foundation of developing countries such as Bangladesh. Ignorance and illiteracy are obstacles to growth and technological progress. Formal schooling must be supplemented with nonformal education, distance education, and out-of-school education for workers who want to continue their studies. Universities must develop…

Sharma, Motilal

222

Community University Research Agreement  

ERIC Educational Resources Information Center

This paper describes the process of engaging the extended Indigenous community within Saskatoon and the surrounding First Nations communities in what would be a first major research project between Indigenous communities and the University of Saskatchewan. A management committee was established comprised of all the major Saskatoon/Saskatchewan…

Settee, Priscilla; Thomas-Prokop, Shelley

2007-01-01

223

Teaching Geomorphology at University  

ERIC Educational Resources Information Center

Geomorphology courses in British universities emphasize the main landform/process systems rather than more abstract concepts. Recommends a more theoretical focus on fundamental geomorphic processes and methodological problems. Available from: Faculty of Modern Studies, Oxford Polytechnic, Headington, Oxford OX3 OBP, England. (Author/AV)

Sugden, David; Hamilton, Patrick

1978-01-01

224

Universal Design for Learning.  

ERIC Educational Resources Information Center

Explains the Universal Design for Learning that provides students with multiple representations of information. Highlights include a graduate course that offered printed materials, online text, movies, videotapes, and a Web site; providing multiple representations of content for students with disabilities; and multiple options for expressing…

O'Neill, Lucinda M.

2001-01-01

225

Universities in Their Communities  

ERIC Educational Resources Information Center

Universities often seem to be far more concerned about their international connections than their local relationships. The local context seems not to matter much either to their jetsetting vice-chancellors or to their lecturers and researchers under pressure to get papers published in obscure journals. That is how it may seem, but it is not…

Robinson, Fred

2012-01-01

226

Langston University. A History.  

ERIC Educational Resources Information Center

Oklahoma's Langston University, a land-grant college founded under the Morrill Act of 1890, is described. Its founding and growth in the Oklahoma Territory was intertwined with that of black settlers--new arrivals in the territory, some of them former slaves who gathered to establish a farming community and built a higher education institution for…

Patterson, Zella J. Black; Wert, Lynette L.

227

Masters of the universe?  

NASA Astrophysics Data System (ADS)

MEETING REPORT Massive stars make a profound impact on their surroundings, their galaxies and the evolution of the universe as a whole. Matt Austin and Dave Stock report on an RAS Discussion Meeting that considered current progress in understanding these complex stars.

Austin, Matt; Stock, Dave

2010-08-01

228

University Training Centers.  

ERIC Educational Resources Information Center

This article focuses on the 24 Reading Recovery University Training Centers (UTCs) in North America. It notes that although each training center performs similar functions, they are all very different. It states that the first and probably the most visible function involves the wide scope of training, and that another function of the UTCs that…

Bufalino, Janet, Ed.

2000-01-01

229

A Polarized Universe  

NASA Technical Reports Server (NTRS)

The CMB polarization was produced as light scattered off a primordial cloud of protons and electrons nearly 14 billion years ago, about 400,000 years after the Big Bang. This marks the moment of recombination, when the universe finally cooled enough to allow electrons to join protons. The CMB is the light that broke through the fog.

Wanjek, Christopher

2003-01-01

230

Universal Nonverbal Intelligence Test.  

ERIC Educational Resources Information Center

This kit presents all components of the Universal Nonverbal Intelligence Test (UNIT), a newly developed instrument designed to measure the general intelligence and cognitive abilities of children and adolescents (ages 5 through 17) who may be disadvantaged by traditional verbal and language-loaded measures such as children with speech, language,…

Bracken, Bruce A.; McCallum, R. Steve

231

The University Needs "You"  

ERIC Educational Resources Information Center

Colleges and universities need English education professors who know what it is to teach five classes a day, accommodate IEPs, and still take on extracurricular activities. They need English education professors who not only present at NCTE Annual Conventions, but who also want to be in schools talking to teachers on a regular basis. They need…

Webb, Allen

2009-01-01

232

University Community Survey.  

ERIC Educational Resources Information Center

This report is of an omnibus survey of campus attitudes conducted by the Survey Research Center (SRC) of the State University of New York at Buffalo. Its primary purpose was to provide accurate information as a basis for effective decisions by institutional policy makers. A random sample of 326 students, 98 faculty, and 95 staff participated in…

Francis, John Bruce; Lewis, Steven

233

Universal Index System  

NASA Technical Reports Server (NTRS)

The Universal Index System (UIS) is an index management system that uses a uniform interface to solve the heterogeneity problem among database management systems. UIS provides an easy-to-use common interface to access all underlying data, but also allows different underlying database management systems, storage representations, and access methods.

Kelley, Steve; Roussopoulos, Nick; Sellis, Timos; Wallace, Sarah

1993-01-01

234

Explorers of the Universe  

NASA Technical Reports Server (NTRS)

The Explorers of the Universe is a multifaceted scientific/literacy project that involves teachers and their students with problem oriented situations using authentic materials. This paper presents examples of self-directed cases researched by high school students and the met acognitive tools they use in the planning, carrying out, and finalizing their reports.

Alvarez, Marino C.; Busby, Michael R.; Sotoohi, Goli; Rodriguez, William J.; Hennig, Lee Ann; Berenty, Jerry; King, Terry; Grener, Doreen; Kruzan, John

1998-01-01

235

NRC Targets University Reactors.  

ERIC Educational Resources Information Center

The Nuclear Regulatory Commission (NRC) wants universities to convert to low-grade fuel in their research reactions. Researchers claim the conversion, which will bring U.S. reactors in line with a policy the NRC is trying to impress on foreigners, could be financially and scientifically costly. Impact of the policy is considered. (JN)

Marshall, Eliot

1984-01-01

236

Colorado State University  

ERIC Educational Resources Information Center

Colorado State University (CSU) is located in Fort Collins, which is a midsize city of 134,000 situated in Northern Colorado at the western edge of the Great Plains and at the base of the Rocky Mountains. CSU's total enrollment is approximately 25,000 students. The Division of Student Affairs comprises 30 departments organized into programmatic…

McKelfresh, David A.; Bender, Kim K.

2009-01-01

237

Universal nonlinear entanglement witnesses  

SciTech Connect

We give a universal recipe for constructing nonlinear entanglement witnesses able to detect nonclassical correlations in arbitrary systems of distinguishable and/or identical particles for an arbitrary number of constituents. The constructed witnesses are expressed in terms of expectation values of observables. As such, they are, at least in principle, measurable in experiments.

Kotowski, Marcin; Kotowski, Michal [College of Inter-Faculty Individual Studies in Mathematics and Natural Sciences, Warsaw University, PL-Warszawa (Poland); Center for Theoretical Physics, Polish Academy of Sciences, Aleja Lotnikow 32/44, PL-02-668 Warszawa (Poland); Kus, Marek [Center for Theoretical Physics, Polish Academy of Sciences, Aleja Lotnikow 32/44, PL-02-668 Warszawa (Poland)

2010-06-15

238

The Biological Universe  

Microsoft Academic Search

Throughout the twentieth century, from the furor over Percival Lowell's claim of canals on Mars to the sophisticated Search for Extraterrestrial Intelligence, otherworldly life has often intrigued and occasionally consumed science and the public. The Biological Universe provides a rich and colorful history of the attempts during the twentieth century to answer questions such as whether \\

Steven J. Dick

1999-01-01

239

The Biological Universe  

Microsoft Academic Search

Throughout the twentieth century, from the furor over Percival Lowell's claim of canals on Mars to the sophisticated Search for Extraterrestrial Intelligence, otherworldly life has often intrigued and occasionally consumed science and the public. The Biological Universe provides a rich and colorful history of the attempts during the twentieth century to answer questions such as whether \\

Steven J. Dick

1996-01-01

240

Entropy of the Universe  

NASA Astrophysics Data System (ADS)

Charles Darwin's calculation of a life of Earth had ignited Kelvin's insight on a life of Sun, which had eventually inherited to the physical study of stellar structure and energy source. Nuclear energy had secured a longevity of the universe and the goal of the cosmic evolution has been secured by the entropy of black holes.

Sato, Humitaka

2010-06-01

241

Oregon State University  

ERIC Educational Resources Information Center

Oregon State University (OSU) is located in Corvallis, a community of 53,000 people situated in the heart of the Willamette Valley between Portland and Eugene. Approximately 15,700 undergraduate and 3,400 graduate students, including 2,600 U.S. students of color and 950 international students, are currently enrolled at OSU across 11 academic…

Sanderson, Rebecca A.; Ketcham, Patricia L.

2009-01-01

242

Islamist Movement Challenges Universities  

ERIC Educational Resources Information Center

In Tunisian and Egyptian universities, scholars face a growing Islamist resolve to remake their countries on the basis of religious principles. Both Tunisia and Egypt face questions that could affect higher education across the Middle East and North Africa: Can their new Islamist governments spread conservative religious values and also create…

Lindsey, Ursula

2013-01-01

243

Future Coordinated Universal Time  

Microsoft Academic Search

Coordinated Universal Time (UTC), created by adjusting International Atomic Time (TAI) by the appropriate number of leap seconds, is the uniform time scale that is the basis of most civil timekeeping in the world. The concept of a leap second was introduced to ensure that UTC would not differ by more than 0.9 seconds from UT1, the time determined by

Dennis D. McCarthy

2000-01-01

244

Organizing University Marketing.  

ERIC Educational Resources Information Center

During a period of projected declining enrollments some years ago, colleges and universities began looking to business and industry for models and methods to achieve stability and exhibit accountability. Zero-based budgeting, computerized record keeping, and planned-programmed-budgeting systems found their way to college campuses. A trend to…

Taylor, Thomas E.

245

Life in the Universe  

NSDL National Science Digital Library

These lecture notes adress the question: "Are we alone or are there millions of advanced life forms in the universe?" by examining life on Earth, the origin of life on Earth, the possiblity that life exists in our solar system or elsewhere.

O'Connell, Robert W.

2010-10-11

246

Discovering the Invisible Universe.  

ERIC Educational Resources Information Center

The discovery of radio waves, infrared, and x-rays and their importance in describing the universe and its origins is discussed. Topics include radio waves from space, the radio pioneers of World War II, radio telescopes, infrared radiation, satellites, space missions, and x-ray telescopes. (KR)

Friedman, Herbert

1991-01-01

247

Universe or Multiverse?  

NASA Astrophysics Data System (ADS)

Part I. Overviews: 1. Introduction and overview Bernard Carr; 2. Living in the multiverse Steven Weinberg; 3. Enlightenment, knowledge, ignorance, temptation Frank Wilczek; Part II. Cosmology and Astrophysics: 4. Cosmology and the multiverse Martin J. Rees; 5. The anthropic principle revisited Bernard Carr; 6. Cosmology from the top down Stephen Hawking; 7. The multiverse hierarchy Max Tegmark; 8. The inflationary universe Andrei Linde; 9. A model of anthropic reasoning: the dark to ordinary matter ratio Frank Wilczek; 10. Anthropic predictions: the case of the cosmological constant Alexander Vilenkin; 11. The definition and classification of universes James D. Bjorken; 12. M/string theory and anthropic reasoning Renata Kallosh; 13. The anthropic principle, dark energy and the LHC Savas Dimopoulos and Scott Thomas; Part III. Particle Physics and Quantum Theory: 14. Quarks, electrons and atoms in closely related universes Craig J. Hogan; 15. The fine-tuning problems of particle physics and anthropic mechanisms John F. Donoghue; 16. The anthropic landscape of string theory Leonard Susskind; 17. Cosmology and the many worlds interpretation of quantum mechanics Viatcheslav Mukhanov; 18. Anthropic reasoning and quantum cosmology James B. Hartle; 19. Micro-anthropic principle for quantum theory Brandon Carter; Part IV. More General Philosophical Issues: 20. Scientific alternatives to the anthropic principle Lee Smolin; 21. Making predictions in a multiverse: conundrums, dangers, coincidences Anthony Aguirre; 22. Multiverses: description, uniqueness and testing George Ellis; 23. Predictions and tests of multiverse theories Don N. Page; 24. Observation selection theory and cosmological fine-tuning Nick Bostrom; 25. Are anthropic arguments, involving multiverses and beyond, legitimate? William R. Stoeger; 26. The multiverse hypothesis: a theistic perspective Robin Collins; 27. Living in a simulated universe John D. Barrow; 28. Universes galore: where will it all end? Paul Davies; Index.

Carr, Bernard

2009-08-01

248

O'otham Nioki Haichu A:ga (Pima Dictionary).  

ERIC Educational Resources Information Center

Developed for students in grades 3-5, this picture dictionary is one in a series designed to instill pride in Pima students by presenting their language in print and to increase their vocabularies in both Pima and English. The dictionary begins with a comparison of English and Pima orthographies and an explanation of sounds and pronunciation…

Dixon, Joan; And Others

249

LINUS, a line-selective equipment for AGA thermovision  

NASA Astrophysics Data System (ADS)

A computer-controlled equipment for line selection, in conjunction with thermovision equipment for recording infrared images, is described. Operation and components of the circuits are reviewed. Hardware and program examples are given. No results are reported.

Berglund, L.

1983-12-01

250

Natural Gas Storage Report, Weekly EIA-AGA Comparison  

EIA Publications

This report is intended to aid data users by examining differences between the Energy Information Administration and American Gas Association weekly surveys and comparing the results of the two surveys for the brief period of time in which they overlapped.

Information Center

2002-05-01

251

The universal Higgs fit  

NASA Astrophysics Data System (ADS)

We perform a state-of-the-art global fit to all Higgs data. We synthesise them into a `universal' form, which allows to easily test any desired model. We apply the proposed methodology to extract from data the Higgs branching ratios, production cross sections, couplings and to analyse composite Higgs models, models with extra Higgs doublets, supersymmetry, extra particles in the loops, anomalous top couplings, and invisible Higgs decays into Dark Matter. Best fit regions lie around the Standard Model predictions and are well approximated by our `universal' fit. Latest data exclude the dilaton as an alternative to the Higgs, and disfavour fits with negative Yukawa couplings. We derive for the first time the SM Higgs boson mass from the measured rates, rather than from the peak positions, obtaining M h = 124 .4 ± 1 .6 GeV.

Giardino, Pier Paolo; Kannike, Kristjan; Masina, Isabella; Raidal, Martti; Strumia, Alessandro

2014-05-01

252

NOVA: The Elegant Universe  

NSDL National Science Digital Library

This NOVA website "introduces string theory and Albert Einstein's dream of unifying the forces that underlie all phenomena in the physical universe." Visitors can learn about the concept's possible role in unifying the four forces of nature. Students and educators can watch fascinating slide shows of physicists working with particle accelerators; interesting animations of resonance affects on cotton string; the three-hour mini-series, The Elegant Universe; and much more. The Teacher's Guide can help users take full advantage of the educational value of the materials. Anyone curious about the idea that the world can be made of numerous dimensions and made out of strings will enjoy this site. This site is also reviewed in the September 17, 2004 _NSDL Physical Sciences Report_.

253

Universality in intermediary metabolism  

PubMed Central

We analyze the stoichiometry, energetics, and reaction concentration dependence of the reductive tricarboxylic acid (rTCA) cycle as a universal and possibly primordial metabolic core. The rTCA reaction sequence is a network-autocatalytic cycle along the relaxation pathway for redox couples in nonequilibrium reducing environments, which provides starting organic compounds for the synthesis of all major classes of biomolecules. The concentration dependence of its reactions suggests it as a precellular bulk process. We propose that rTCA is statistically favored among competing redox relaxation pathways under early-earth conditions and that this feature drove its emergence and also accounts for its evolutionary robustness and universality. The ability to enhance the rate of core reactions creates an energetic basis for selection of subsequent layers of biological complexity.

Smith, Eric; Morowitz, Harold J.

2004-01-01

254

The Dark Universe  

NASA Astrophysics Data System (ADS)

1. A brief history of dark matter Vera Rubin; 2. Microlensing towards the Magellanic Clouds Kailash Sahu; 3. Searching for galactic dark matter Harvey Richer; 4. Hot gas in clusters of galaxies and Omega Megan Donahue; 5. Tracking the Baryon density from the Big Bang to the present Gary Steigman; 6. Modified Newtonian dynamics and its implications Bob Sanders; 7. Cosmological parameters and quintessence from radio galaxies Ruth Daly and Eric Guerra; 8. The mass density of the Universe Neta Bahcall; 9. Growth of structure in the Universe John Peacock; 10. Cosmological implications of the most distant supernova (known) Adam Riess; 11. Dynamical probes of the Halo mass function Chris Kochanek; 12. Detection of gravitational waves from inflation Marc Kamionkowski and Andrew Jaffe; 13. Cosmological constant problems and their solution Alex Vilenkin; 14. Dark Matter and dark energy: a physicist's perspective Michael Dine.

Livio, Mario

2004-02-01

255

University Reactor Sharing Program  

SciTech Connect

Research projects supported by the program include items such as dating geological material and producing high current super conducting magnets. The funding continues to give small colleges and universities the valuable opportunity to use the NSC for teaching courses in nuclear processes; specifically neutron activation analysis and gamma spectroscopy. The Reactor Sharing Program has supported the construction of a Fast Neutron Flux Irradiator for users at New Mexico Institute of Mining and Technology and the University of Houston. This device has been characterized and has been found to have near optimum neutron fluxes for A39/Ar 40 dating. Institution final reports and publications resulting from the use of these funds are on file at the Nuclear Science Center.

W.D. Reese

2004-02-24

256

University of Michigan Collections  

NSDL National Science Digital Library

The University of Michigan has been developing online digital collections for well over a decade, and their image collections cover everything from architecture to zoology. On this site, visitors can browse through the various collections at their leisure. They are arranged alphabetically, and first-time users would do well just to look over the "Art/Art History" section. Here they will find art images that can be used in the college classroom, tremendous holdings from their textiles collections, and a special section dedicated to Egyptian amulets. Also included here are collections from the University of Michigan's Herbarium Fungus Image Database and field notes. Not every site can say they have "something for everyone", but just about anyone with an interest in the visual arts, science, or the humanities in general will find something to pique their interest.

257

Universal Test Facility  

NASA Technical Reports Server (NTRS)

A universal test facility (UTF) for Space Station Freedom is developed. In this context, universal means that the experimental rack design must be: automated, highly marketable, and able to perform diverse microgravity experiments according to NASA space station requirements. In order to fulfill these broad objectives, the facility's customers, and their respective requirements, are first defined. From these definitions, specific design goals and the scope of the first phase of this project are determined. An examination is first made into what types of research are most likely to make the UTF marketable. Based on our findings, the experiments for which the UTF would most likely be used included: protein crystal growth, hydroponics food growth, gas combustion, gallium arsenide crystal growth, microorganism development, and cell encapsulation. Therefore, the UTF is designed to fulfill all of the major requirements for the experiments listed above. The versatility of the design is achieved by taking advantage of the many overlapping requirements presented by these experiments.

Laughery, Mike

1994-01-01

258

Mapping the universe  

NASA Technical Reports Server (NTRS)

Maps of the galaxy distribution in the nearby universe reveal large coherent structures. The extent of the largest features is limited only by the size of the survey. Voids with a density typically 20 percent of the mean and with diameters of 5000 km/s are present in every survey large enough to contain them. Many galaxies lie in thin sheet-like structures. The largest sheet detected so far is the 'Great Wall' with a minimum extent of 60/h Mpc x 170/h Mpc, where h is the Hubble constant in units of 100 km/s per Mpc. The frequent occurrence of these structures is one of several serious challenges to our current understanding of the origin and evolution of the large-scale distribution of matter in the universe.

Geller, Margaret J.; Huchra, John P.

1989-01-01

259

Drexel University : Archimedes  

NSDL National Science Digital Library

Chris Rorres, a retired professor from the Department of Mathematics at Drexel University and currently a part-time lecturer at the University of Pennsylvanias School of Veterinary Medicine, maintains this site all about Archimedes. The main page of the website provides some quick facts about Archimedes, such as his inventions (i.e., war machines) and fields of science he is credited with initiating (i.e., hydrostatics and static mechanics). Often called the father of integral calculus, Archimedes wrote about topics such as plane equilibriums, quadrature of the parabola, the sphere and cylinder, spirals, conoids and spheroids, floating bodies, and measurement of a circle. These and other topics are explored further in the articles and online resources. Some sections provide background on his life, his death, and feature collections of pictures of Archimedes and stamps of Archimedes.

2007-12-12

260

Drexel University: Archimedes  

NSDL National Science Digital Library

Chris Rorres, a retired professor from the Department of Mathematics at Drexel University and currently a part-time lecturer at the University of Pennsylvania's School of Veterinary Medicine, maintains this site all about Archimedes. The main page of the website provides some quick facts about Archimedes, such as his inventions (i.e., war machines) and fields of science he is credited with initiating (i.e., hydrostatics and static mechanics). Often called the "father of integral calculus," Archimedes wrote about topics such as plane equilibriums, quadrature of the parabola, the sphere and cylinder, spirals, conoids and spheroids, floating bodies, and measurement of a circle. These and other topics are explored further in the articles and online resources. Some sections provide background on his life, his death, and feature collections of pictures of Archimedes and stamps of Archimedes.

261

Astronomy in Romanian universities  

NASA Astrophysics Data System (ADS)

In this work we present characteristics of the Romanian higher education related to the study of Astronomy. In spite of Romanian economic problems, opportunities for Bachelor's degree, Master's degree (at "Babes-Bolyai" University of Cluj-Napoca) and Ph.D. degree are provided for students enrolled at the faculties of Mathematics or Physics. General regulations, description of courses, research resources and job opportunities are also described and discussed in this paper.

Barbosu, Mihail

262

Universality in intermediary metabolism  

Microsoft Academic Search

We analyze the stoichiometry, energetics, and reaction concentration dependence of the reductive tricarboxylic acid (rTCA) cycle as a universal and possibly primordial metabolic core. The rTCA reaction sequence is a network-autocatalytic cycle along the relaxation pathway for redox couples in nonequilibrium reducing environments, which provides starting organic compounds for the synthesis of all major classes of biomolecules. The concentration dependence

Eric Smith; Harold J. Morowitz

2004-01-01

263

University of Pennsylvania  

Cancer.gov

A Small Animal Imaging Research program is proposed at U. Penn. (Penn-SAIR) supporting cancer research at Penn, the Wistar Institute, the Children's Hospital of Philadelphia (CHOP), the Lankenau Institute for Medical Research and Thomas Jefferson University; it will be available to other institutions within the Philadelphia region and world-wide. The program builds on a fully self-supported existing Small Animal Research Facility (SAIF).

264

NASA's Imagine the Universe!  

NSDL National Science Digital Library

NASA's Imagine the Universe site features educational material for older students (14 and up). The materials include news articles, podcasts, multimedia presentations, and interactive features on astronomy topics, satellites and technology, and space missions. The site also features an "Ask an Astrophysicist" service, a dictionary, and links to other astronomy education resources. The teachers' page features links to lesson plans, posters and booklets, videos and slide presentations, and other resources.

265

Universal quantum gates  

Microsoft Academic Search

In this paper we study universality for quantum gates acting on qudits.Qudits are states in a Hilbert space of dimension d where d is at least two. We determine which 2-qudit gates V have the properties (i) the collection of all 1-qudit gates together with V produces all n-qudit gates up to arbitrary precision, or (ii) the collection of all

Jean-Luc Brylinski; Ranee Brylinski

2001-01-01

266

Towards Universal Speech Recognition  

Microsoft Academic Search

The increasing interest in multilingual applications like speech-to-speech translation systems is accompanied by the need for speech recognition front-ends in many languages that can also handle multiple input languages at the same time. In this paper we describe a universal speech recognition system that fulfills such needs. It is trained by sharing speech and text data across languages and thus

Zhirong Wang; Umut Topkara; Tanja Schultz; Alex Waibel

2002-01-01

267

a Marionette Universe  

NASA Astrophysics Data System (ADS)

We present a study of the nonminimal coupling of a vector field to gravity in the context of a Weyl integrable space-time (WIST). This system admits a cosmic solution in which such vector field is not determined dynamically although it rules the evolution of the metric. In a sense, the physical causes of the evolution of the cosmos appear to be out of dynamical control—a feature that can be assigned to a Marionette Universe.

Novello, M.; Oliveira, L. A. R.

268

Universality of particle multiplicities  

SciTech Connect

We discuss the scaling properties and universality aspects of the rapidity and multiplicity distributions of particles produced in high energy hadronic and e{sup +}e{sup {minus}} interactions. This paper is based on material presented in three lectures on pomeron phenomenology, which included a review of traditional soft pomeron physics and selected topics on hard diffraction processes probing the structure function of the pomeron.

Goulianos, K. [Fermi National Accelerator Lab., Batavia, IL (United States)]|[Rockefeller Univ., New York, NY (United States)

1994-09-01

269

Kantowski Sachs universe  

NASA Astrophysics Data System (ADS)

We consider the brane Kantowski Sachs universe when bulk space is five-dimensional anti-de Sitter space. The corresponding cosmological equations with perfect fluid are written. For several specific choices of relation between energy and pressure, the behaviour of scale factors at early time is found. In particular for \\gamma=3/2 , Kantowski Sachs brane cosmology is modified to become the isotropic one, while for \\gamma=1 it remains the anisotropic cosmology in the process of evolution.

Obukhov, V. V.; Makarenko, A. N.; Osetrin, K. E.

2006-05-01

270

Life in the Universe  

Microsoft Academic Search

The possibility of extra-terrestrial life and intelligence is examined. It is found that the scientific case for extra-terrestrial intelligence is very weak; theological considerations render it improbable, but not def i- nitely impossible. The case against more primitive extra-terrestrial life is much weaker. . Is the earth the only cradle of life in the physical universe? Is man alone? Or

Gerald Feinberg; John Billingham

1983-01-01

271

A Private Universe Project  

NSDL National Science Digital Library

The Private Universe Teachers Lab enables teachers to practice techniques of identifying student misconceptions and moving toward conceptual change in basic astronomy. This teachers lab contains a survey to identify misconceptions and three in-class activities for grades 4 to 8 that help students gain an understanding of the phases of the Moon. There are teacher discussion forums on planning teaching sequences and learning how to adapt activities to different situations.

Schneps, Matthew; Sadler, Philip

2007-12-12

272

The Thermodynamic Universe  

NASA Astrophysics Data System (ADS)

Using Planck scale oscillators in the background dark energy in a model that parallels the theory of phonons, we deduce the Planck mass, the elementary particle mass scale, the mass of the Universe and a recently discovered residual energy in the cosmic background. We also deduce the Beckenstein temperature formula for black holes. Finally we show that the model explains the four minute time lag in the arrival of gamma photons from a recently observed gamma flare by the MAGIC telescope.

Sidharth, B. G.

2008-05-01

273

Tulane University: Radiometric Dating  

NSDL National Science Digital Library

The fourth website, developed by Professor Stephen A. Nelson at Tulane University, provides a detailed mathematical explanation of the principles of radiometric dating. The site is divided into sections which include: Principles of Radiometric Dating; The Rb/Sr System; The U, Th, Pb System; and The Age of the Earth. Other dating methods are covered briefly as well, such as potassium argon (K-Ar) dating and carbon-14. Professor Nelson concludes with a description of other users of isotopes.

Nelson, Stephen A.

2008-03-12

274

Duke University Robotics  

NSDL National Science Digital Library

This website highlights robotics research from the Robotics and ManufacturingAutomation Laboratory at Duke University. Their work is "devoted to thedevelopment of command and control systems for cooperative robots." Theirwebsite provides descriptions and some demonstration videos of their work inmultiple industrial robot control, mobile robot development, sensor fusion,robot-World Wide Web interfacing, sensor integration, among other relatedprojects. A bibliography of publications by Lab researchers is also availableonline.

275

Inflation in the universe  

SciTech Connect

The hot big bang cosmology, or the standard cosmology as it is appropriately known, is a highly successful model, providing a reliable and tested accounting of the Universe from 0.01 sec after the bang until today, some 15 Gyr later. However, very special initial data seem to be required in order to account for the observed smoothness and flatness of our Hubble volume and for the existence of the small primeval density inhomogeneities required for the formation of structure in the Universe. Inflation offers a means of accounting for these special initial data, which is based upon physics at sub-planck energy scales (<< m/sub pl/ approx. = 10/sup 19/ GeV) and is motivated by contemporary ideas in particle theory. Here I review the status of the 'Inflationary Paradigm'. At present essentially all inflationary models involve a very weakly-coupled (quantified by the presence of a dimensionless parameter of order 10/sup -12/ or so) scalar field which is displaced from the minimum of its potential. Regions of the Universe where the scalar field is initially displaced from its minimum undergo inflation as the scalar field relaxes, resulting in a Universe today which resembles ours in regions much larger than our present Hubble volume (approx. = 10/sup 28/ cm), but which on very large scales (>> 10/sup 28/ cm) may be highly irregular. The most conspicuous blemish on the paradigm is the lack of a compelling particle physics model to implement it. I also review some other unresolved issues, and discuss in detail the all important confrontation between inflation and observational data. Finally, I discuss the possibility that inflation leads to large-scale, primeval magnetic fields of sufficient strength to be of astrophysical interest. 123 refs., 4 figs.

Turner, M.S.

1987-05-01

276

University of Arizona  

Cancer.gov

The purpose of this study is to see if an oral medication containing selenized yeast can reduce the prevalence of prostate cancer in men with an elevated prostate specific antigen (PSA). It will also be necessary that those taking part in the study have had a negative biopsy for prostate cancer. Patients will receive this medication for up to 57 months. The multicenter study is being conducted under the auspices of the University Arizona at Tucson.

277

Universal Stoppers Are Rupert  

ERIC Educational Resources Information Center

A stopper is called "universal" if it can be used to plug pipes whose cross-sections are a circle, a square, and an isosceles triangle, with the diameter of the circle, the side of the square, and the base and altitude of the triangle all equal. Echoing the well-known result for equal cubes that is attributed to Prince Rupert, we show that it is…

Jerrard, Richard P.; Wetzel, John E.

2008-01-01

278

The universal ancestor.  

PubMed

A genetic annealing model for the universal ancestor of all extant life is presented; the name of the model derives from its resemblance to physical annealing. The scenario pictured starts when "genetic temperatures" were very high, cellular entities (progenotes) were very simple, and information processing systems were inaccurate. Initially, both mutation rate and lateral gene transfer levels were elevated. The latter was pandemic and pervasive to the extent that it, not vertical inheritance, defined the evolutionary dynamic. As increasingly complex and precise biological structures and processes evolved, both the mutation rate and the scope and level of lateral gene transfer, i.e., evolutionary temperature, dropped, and the evolutionary dynamic gradually became that characteristic of modern cells. The various subsystems of the cell "crystallized," i.e., became refractory to lateral gene transfer, at different stages of "cooling," with the translation apparatus probably crystallizing first. Organismal lineages, and so organisms as we know them, did not exist at these early stages. The universal phylogenetic tree, therefore, is not an organismal tree at its base but gradually becomes one as its peripheral branchings emerge. The universal ancestor is not a discrete entity. It is, rather, a diverse community of cells that survives and evolves as a biological unit. This communal ancestor has a physical history but not a genealogical one. Over time, this ancestor refined into a smaller number of increasingly complex cell types with the ancestors of the three primary groupings of organisms arising as a result. PMID:9618502

Woese, C

1998-06-01

279

Unfolding our Universe  

NASA Astrophysics Data System (ADS)

The beauty of the stars, the planets, and other faraway objects of wonder is readily apparent, while the reason for their splendor is not. Now, there exists a source of expert advice that amateur astronomers and interested stargazers can actually understand: Unfolding Our Universe. Popular science writer and award winning author Iain Nicolson opens the world of astronomy to a wide audience. He takes readers into the heart of the Universe, clearly detailing the facts, concepts, methods, and current findings of astronomical science. This unique book strikes a perfect balance between the fundamentals of the subject and cutting-edge research. Step by step, the volume leads to a complete understanding of astronomy. Readers can access the material without referring to any mathematical principles or formulas. The well-designed text allows more ambitious readers to easily delve more deeply into key points and consult basic mathematics found within self-contained boxes. More than 100 full-color photographs beautifully and clearly illustrate all concepts. The wealth of color illustrations and very readable chapters make this book a delight for the casual reader to browse, while the clear and concise explanations will appeal to anyone with an interest in the science of astronomy. Iain Nicolson is the author or co-author of some 17 books, including The Universe (with Patrick Moore) and Heavenly Bodies. In 1995, he received the Eric Zucker Award from the Federation of Astronomical Societies (UK) for his work in popularizing the subject.

Nicolson, Iain

1999-10-01

280

The Universal Ancestor  

NASA Astrophysics Data System (ADS)

A genetic annealing model for the universal ancestor of all extant life is presented; the name of the model derives from its resemblance to physical annealing. The scenario pictured starts when ``genetic temperatures'' were very high, cellular entities (progenotes) were very simple, and information processing systems were inaccurate. Initially, both mutation rate and lateral gene transfer levels were elevated. The latter was pandemic and pervasive to the extent that it, not vertical inheritance, defined the evolutionary dynamic. As increasingly complex and precise biological structures and processes evolved, both the mutation rate and the scope and level of lateral gene transfer, i.e., evolutionary temperature, dropped, and the evolutionary dynamic gradually became that characteristic of modern cells. The various subsystems of the cell ``crystallized,'' i.e., became refractory to lateral gene transfer, at different stages of ``cooling,'' with the translation apparatus probably crystallizing first. Organismal lineages, and so organisms as we know them, did not exist at these early stages. The universal phylogenetic tree, therefore, is not an organismal tree at its base but gradually becomes one as its peripheral branchings emerge. The universal ancestor is not a discrete entity. It is, rather, a diverse community of cells that survives and evolves as a biological unit. This communal ancestor has a physical history but not a genealogical one. Over time, this ancestor refined into a smaller number of increasingly complex cell types with the ancestors of the three primary groupings of organisms arising as a result.

Woese, Carl

1998-06-01

281

The Flying University  

NASA Astrophysics Data System (ADS)

The Flying University is solo theater performance framed as an academic lecture about Marie Curie and her discovery of radium, delivered to a group of women who have gathered in secret to further their education. As the lecture proceeds, the professor brings in her own research based on a study of Esther Horsch (1905-1991) who lived on a farm in central Illinois. She introduces data from Esther's journals, personal memories, and dreams about Esther's life. The professor's investigation of radium plays at the intersections of magical and mundane, decay and the transformation of life, and the place of ambition in these two women's lives. The intention of this piece is to explore these themes, which are full of mystery, through the traces of the daily lives of Mme. Curie and Esther. Their words and photos are used as roots from which to imagine the things that echo beyond their familiar work; elemental and also fantastically radiant. The Flying University was written and performed by Catherine Friesen April 27-29, 2012 in the Center for Performance Experiment at Hamilton College as part of the University of South Carolina MFA Acting Class of 2013 showcase, Pieces of Eight.

Friesen, Catherine

282

Linus en Linjevals-Utrustning foer AGA THV (Linus, A Line-Selective Equipment for AGA THV).  

National Technical Information Service (NTIS)

The Applied Electronics Department of the National Defence Research Institute needed: A computer-controlled equipment for line selection to function together with a thermovision equipment for recording IR images. This was considered to be an adequate exam...

L. Berglund

1983-01-01

283

From Teacher-Education University to Comprehensive University: Case Studies of East China Normal University, Southwest University and Yanbian University  

ERIC Educational Resources Information Center

Three different "logics"--that of the internal strategies of the institutions, the economic pressures of the socialist market economy and the political policies of the state drive the development of a university. The dynamic interaction and coexistence of the three logics has determined the transformation models of teacher-education or normal…

Li, Mei

2010-01-01

284

Health Literacy Universal Preacutions Toolkit.  

National Technical Information Service (NTIS)

The Agency for Healthcare Research and Quality (AHRQ) commissioned The University of North Carolina at Chapel Hill to develop and test this Health Literacy Universal Precautions Toolkit. It provides step-by-step guidance and tools for assessing your pract...

A. Hink D. A. DeWalt K. A. Brouckson L. F. Callahan V. H. Hawk

2010-01-01

285

Strengthening University-Industry Interactions.  

National Technical Information Service (NTIS)

Three broad approaches to strengthening university-industry interactions to promote industrial innovation are direct corporate funding of university research, cooperative (cost shared) research, and measures to enhance knowledge transfer and the exchange ...

W. S. Baer

1980-01-01

286

Online Short Course: The Universe  

NSDL National Science Digital Library

Looking to expand your horizons this summer? Join us for the new NSTA Online Short Course: The Universe . This short course will explore the ways scientists learn about the universe and the current ideas about the origins and f

1900-01-01

287

University Autonomy: Illusion or Reality?  

ERIC Educational Resources Information Center

In Germany there is a working cooperation between the university and the state. Ideally, the task of the state would be one of global regulation, with universities filling the framework set by the state in their own, autonomous way. (RM)

Berchem, Theodor

1985-01-01

288

Faculty Handbook. West Virginia University.  

ERIC Educational Resources Information Center

Policies and procedures of West Virginia University are presented in the 1976 edition of the faculty handbook. Major sections deal with: university organization; conditions of employment; payment and benefits; graduate school; off-campus education; research; student relations; support services; and other university policies. Appendices consider…

West Virginia Univ., Morgantown.

289

Texas A&M University  

ERIC Educational Resources Information Center

Texas A&M University is a research extensive institution located in College Station. More than 45,000 students attend the university (about 20% are graduate or professional students). Academically, the university is known for its engineering, business, and agricultural and veterinary medicine programs, although there are more than 150 programs of…

Osters, Sandi

2009-01-01

290

Remembering the University of Utah.  

ERIC Educational Resources Information Center

Nineteen essays comprise this personal and historical look at the University of Utah and the relationship between the university, its people, and the community. Essays include: "One Cannot Live Long Enough to Outgrow a University" (Ramona Wilcox Cannon); "Ever in the Freshness of Its Youth" (G. Homer Durham); "The Final Payoff" (David W. Evans);…

Haglund, Elizabeth, Ed.

291

Education in a Research University  

ERIC Educational Resources Information Center

This collection of 30 essays on the character, administration, and management of research universities research university emphasizes the perspective of statistics and operations research: The essays are: "A Robust Faculty Planning Model" (Frederick Biedenweg); "Looking Back at Computer Models Employed in the Stanford University Administration"…

Arrow, Kenneth J. Ed.; And Others

292

The Universality of Acquisitional Phonology.  

ERIC Educational Resources Information Center

This paper is concerned with the Aristotelian notion of "universal" as applied to phonological phenomena. It is claimed that speech production in children and adults, in normal and deviant speakers, and in a variety of languages, can all be described according to the same universal phonological rules which constitute the universal process of…

Salus, Peter H.

293

Nigerian University Libraries: What Future?  

ERIC Educational Resources Information Center

Nigerian university libraries are threatened by underfunding and inadequate collections and facilities. This article examines factors influencing the future prospects of Nigerian university libraries. Discusses Nigeria's mineral oil resources; political instability and stratification of ethnic groups; and the National Universities Commission, the…

Aguolu, I. E.

1996-01-01

294

A Look at the Universe.  

ERIC Educational Resources Information Center

Provides: (1) background information on what makes up the universe, ways astronomers study the universe, and theories about how the universe began; (2) six activities; and (3) four read-to-duplicate pages. Activities include objective(s), recommended age level(s), subject area(s), list of materials needed, and procedures. (JN)

Nature Scope, 1986

1986-01-01

295

Cullman Hall of the Universe  

NSDL National Science Digital Library

This Web site was created to complement the Museum's Cullman Hall of the Universe, which provides insight into how the universe evolved into galaxies, stars, and planets. The site includes the following sections Planets Zone, Stars Zone, Galaxies Zone and Universe Zone. Two virtual tours of the Hall are also available.

296

Colleges and Universities as Citizens.  

ERIC Educational Resources Information Center

This collection of 10 essays focuses on the role of colleges and universities as engaged citizens seeking to better their communities. The essays include: (1) "Colleges and Universities as Citizens: Issues and Perspectives" (Robert G. Bringle, Richard Games, and Edward A. Malloy); (2) "Ernest L. Boyer: Colleges and Universities as Citizens"…

Bringle, Robert G., Ed.; Games, Richard, Ed.; Malloy, Edward A., Ed.

297

Universal signal conditioning amplifier  

NASA Technical Reports Server (NTRS)

Engineers at NASA's Kennedy Space Center have designed a signal conditioning amplifier which automatically matches itself to almost any kind of transducer. The product, called Universal Signal Conditioning Amplifier (USCA), uses state-of-the-art technologies to deliver high accuracy measurements. USCA's features which can be either programmable or automated include: voltage, current, or pulsed excitation, unlimited resolution gain, digital filtering and both analog and digital output. USCA will be used at Kennedy Space Center's launch pads for environmental measurements such as vibrations, strains, temperatures and overpressures. USCA is presently being commercialized through a co-funded agreement between NASA, the State of Florida, and Loral Test and Information Systems, Inc.

Larson, William E.; Hallberg, Carl; Medelius, Pedro J.

1994-01-01

298

Harvard University: Environmental Chemistry  

NSDL National Science Digital Library

The Environmental Chemistry group at Harvard University created this website to promote its research in the understanding and quantification of chemistry of surfaces in environmental chemical systems. Users can learn about the group's many projects that deal with the shared topic: "What controls the formation and reactivity of a surface?" Researchers can find out about the group's seminars held at Harvard and can download many of the related publications. The website publicizes the efforts and backgrounds of the eleven people involved with environmental chemistry. Students and educators can view short, fascinating movies dealing with its results.

299

University of Arizona: Biochemistry  

NSDL National Science Digital Library

This University of Arizona website provides numerous chemistry tutorials and problem sets primarily for biology students. The lessons are divided into two main categories: chemistry of life and energy reactions. Students can find clear, in-depth explanations of amino acids, pH levels, photosynthesis, metabolism, and more. Each section is filled with helpful, colorful images. The website provides outside resources which cover additional topics in biochemistry. Biochemistry students will surely find these tutorials to be a great addition to their classroom learning experience.

300

Messengers of the universe  

NASA Astrophysics Data System (ADS)

The observation of the solar neutrinos and of a neutrino burst from the supernova explosion 1987A opened a new observation field which in the next years could be complemented with the detection of astrophysical highenergy neutrinos. Neutrino astronomy is a young discipline derived from the fundamental necessity of extending conventional astronomy beyond the usual electro-magnetic messengers. This is a summary of recent results on those new "messengers of the universe", based on the presentations in Branch IV of the Neutrino Oscillation Workshop 2010 (NOW2010).

Becker, J. K.; Spurio, M.

2011-08-01

301

University of Missouri  

Cancer.gov

The overall goal of the Center for Single Photon-Emitting Cancer Imaging Agents at the University of Missouri-Columbia (MU) is to foster interdisciplinary research to enable development of novel radiolabeled molecular imaging agents capable of selective in vivo uptake and retention in cancer cells. The Research Components and Development Projects supported by this grant are primarily focused on identification of single-photon emitting, site-directed in vivo targeting biomolecular-conjugates directed to cell surface receptors, antigens and angiogenesis markers with high specificity.

302

Indiana University Optometry Library  

NSDL National Science Digital Library

This website provides a vast array of syllabi, slides, and class notes for a wide variety of optometry related classes. Class related materials range from Ocular Disease, to Optometric Gerontology and Geriatrics, to Low Vision and Rehabilitation and Anatomy of Vision to name only a few. Each class offers different types of materials but they were all created by professors from Indiana University and often provide other valuable links and well as contact information for the creator. This site would prove extremely useful for an instructor in an optometry or ophthalmology related course.

2006-12-26

303

Indiana University - Biocomplexity Institute  

NSDL National Science Digital Library

The biocomplexity institute at Indiana University is a collaborative effort among several academic departments. The institute is active in the areas of research, communication and outreach, software and resources, and training of scientists. This web site provides in-depth information on research projects, bioimaging, bioinformatics, biocomplexity in the curriculum, and more. The site also features CompuCell, a software framework for multimodel simulations of biocomplexity problems. The software is available for downloading. This resource is part of the biocomplexity collection. http://serc.carleton.edu/biocomplexity/

2008-04-21

304

Infrared Universe Poster  

NSDL National Science Digital Library

This educational poster contains images and information about what the universe looks like in the infrared. The back contains nine 8.5 in. x 11 in. panels that explain what infrared light is and why infrared astronomy is important. It also talks about light and the different colors and wavelengths of the electromagnetic spectrum. It explains atmospheric transmission and how infrared observations help in the search for planets. The back panels also contain details on the Herschel experiment. In a very simple way it teaches the students how Herschel discovered infrared light.

2000-01-01

305

Yale University: Terra Femto  

NSDL National Science Digital Library

This Yale University website presents the Schmuttenmaer chemistry group's research in the development of experimental techniques that observe low frequency motions and absorptions directly. After reading the series of intriguing unanswered questions, students and educators can find an introduction to THz spectroscopy. The Research link offers colorful images and comprehensible text about several of its THz spectroscopy investigations. Within the descriptions, links are provided to better explain otherwise complicated phenomena. Researchers can find lengthy lists and a few downloads of the group's publications. This site is also reviewed in the August 20, 2004 _NSDL Physical Sciences Report_.

306

Journey Through the Universe  

NASA Astrophysics Data System (ADS)

Journey through the Universe held its first Journey Week January 21-28, 2005 in Hilo, Hawaii. This ambitious program uses the fi elds of space, earth science and exploration to engage communities with long-term connections to science, mathematics and technology. All content is aligned to state and national education standards. Last year, the Hawaii-based program trained 135 teachers, visited more than 120 classrooms, talked to more than 5,000 students and hosted three family science events for more than 2,500 people. In 2006 the program seeks to reach an additional 8,000 students in public, private and charter schools in North Hawaii.

Harvey, J.

2005-12-01

307

Universal Currency Converter  

NSDL National Science Digital Library

The Universal Currency Converter site was developed by Xenon Laboratories. It provides currency conversion for most of the currencies in the world. The conversion rates for the currency are provided by The Bank of Montreal's Treasury Group. Visitors can also obtain a currency table for a selected base currency. The site also provides prices for silver, gold and platinum in the various currencies. Visitors can sign-up for the Currency Update Service which provides free currency table updates specified in the user-selected base currency once every business day.

1998-01-01

308

University of Pittsburgh  

Cancer.gov

The University of Pittsburgh as assembled a multidisciplinary team of researchers under the support of the Quantitative Imaging Network to address a vital need for quantitative assessment of cancer therapy response. CT and standard MRI decreases in FDG uptake after the first chemotherapy cycle correlate with better outcome. F-18 FLT PET measures cell proliferation rate, another fundamental process in malignancy. Apoptosis is the primary mechanism of action of most anticancer drugs and can be monitored by the novel PET tracer F-18 ApoSense.

309

University of Otago: Transterm  

NSDL National Science Digital Library

Supported by the University of Otago, the Health Research Council, and the Royal Society of New Zealand, Transterm is "an interactive database providing access to RNA sequences and their associated motifs. The RNA sequences are derived from all gene sequence data in Genbank, including complete genomes, divided into putative 5' and 3' UTRs, initiation and termination regions and the full CDS sequences." The Transterm website contains an extensive help browser with information regarding: the History and Direction of Transterm; Scan-for-Matches Pattern Rules; How Short Species Names are Constructed; RSCU Tables; and much more.

310

Universal Grids: Universal Transverse Mercator (UTM) and Universal Polar Stereographic (UPS). Edition 1.  

National Technical Information Service (NTIS)

This manual describes geographic to grid and grid to geographic conversions for the Universal Transverse Mercator (UTM) and the Universal Polar Stereographic (UPS) grids. It also discusses computations for convergence from geographic positions and from gr...

J. W. Hager J. F. Behensky B. W. Drew

1989-01-01

311

Hydrogen Research at Florida Universities  

NASA Technical Reports Server (NTRS)

This final report describes the R&D activities and projects conducted for NASA under the 6-year NASA Hydrogen Research at Florida Universities grant program. Contained within this report are summaries of the overall activities, one-page description of all the reports funded under this program and all of the individual reports from each of the 29 projects supported by the effort. The R&D activities cover hydrogen technologies related to production, cryogenics, sensors, storage, separation processes, fuel cells, resource assessments and education. In the span of 6 years, the NASA Hydrogen Research at Florida Universities program funded a total of 44 individual university projects, and employed more than 100 faculty and over 100 graduate research students in the six participating universities. Researchers involved in this program have filed more than 20 patents in all hydrogen technology areas and put out over 220 technical publications in the last 2 years alone. This 6 year hydrogen research program was conducted by a consortium of six Florida universities: Florida International University (FIU) in Miami, Florida State University (FSU) and Florida A&M University (FAMU) in Tallahassee, University of Central Florida (UCF) in Orlando, University of South Florida (USF) in Tampa, and University of Florida (UF) in Gainesville. The Florida Solar Energy Center (FSEC) of the University of Central Florida managed the research activities of all consortium member universities except those at the University of Florida. This report does not include any of the programs or activities conducted at the University of Florida, but can be found in NASA/CR-2008-215440-PART 1-3.

Block, David L.; T-Raissi, Ali

2009-01-01

312

Universal Payload Information Management  

NASA Technical Reports Server (NTRS)

As the overall manager and integrator of International Space Station (ISS) science payloads, the Payload Operations Integration Center (POIC) at Marshall Space Flight Center has a critical need to provide an information management system for exchange and control of ISS payload files as well as to coordinate ISS payload related operational changes. The POIC's information management system has a fundamental requirement to provide secure operational access not only to users physically located at the POIC, but also to remote experimenters and International Partners physically located in different parts of the world. The Payload Information Management System (PIMS) is a ground-based electronic document configuration management and collaborative workflow system that was built to service the POIC's information management needs. This paper discusses the application components that comprise the PIMS system, the challenges that influenced its design and architecture, and the selected technologies it employs. This paper will also touch on the advantages of the architecture, details of the user interface, and lessons learned along the way to a successful deployment. With PIMS, a sophisticated software solution has been built that is not only universally accessible for POIC customer s information management needs, but also universally adaptable in implementation and application as a generalized information management system.

Elmore, Ralph B.

2003-01-01

313

Colorado State University Extension  

NSDL National Science Digital Library

State university extension services have been helping farmers since the 1930s, as well as anyone who might need some help tending their gardens, canning vegetables, keeping a house in good repair, and a family in good health. Extension services still perform those functions, plus new ones. They have stepped up their knowledge of technology and reasserted their emphasis on conservation practices. The Colorado State University Extension Services website has materials on all these classic categories. Visitors should check out the left side menu, to see links to such topics as "Yard & Garden", "Nutrition, Health and Food Safety", and "4-H Youth Development", but there are also links to "Clean & Renewable Energy" and "Water". The "News & Events" links in the bottom right hand corner of the homepage gives dates for a lecture on "Introduction to Wind Energy" and also provides "H1N1 Resources". The "Multimedia Zone", on the right side of the page should not be missed. PlantTalk Colorado is one standout here, and it provides "reliable, timely information on more than 400 gardening and home landscaping topics."

314

Iowa State University Extension  

NSDL National Science Digital Library

The Iowa State University Extension, like many state university extension services, concerns itself with almost every aspect of life a person will encounter from birth to death. Even though this website is geared towards Iowans and the unique problems and opportunities they face living in a heavily rural state, this website has a lot of practical research-based information that would be helpful to people living elsewhere as well. For visitors who want to learn more about Iowa, this website will give them a unique perspective. Visitors shouldn't miss the Extension's newly launched interactive learning website by clicking on "Check ISU's Extension's Managing Tough Times Website" on the homepage. The categories covered are "Families and Households", "Businesses and Communities Surviving Economic Uncertainty" and "Farming in Today's Changing Economy". For community information, visitors should check out the Extension Information heading on the left side of the home page. Links to "Disaster Recovery", "Hotlines," "Markets", "Publications" and "Weather" are available, where visitors can listen to the latest futures market report, watch segments of a video conference on flood recovery, and find numbers for hotlines concerning teens, new farmers, horticulture and problem gambling. There are numerous publications that are available from the Extension, some of which can be purchased as hard copies and some of which can be downloaded for free. Visitors can click on the "Publications" on the left side of the page, under the "Extension Information" heading.

315

Quantum Universe Theory  

NASA Astrophysics Data System (ADS)

The Initial Condition (that which existed prior to the universe) is compared as an infinite thermodynamic system (reservoir and system) to a two-component blackbody system, where one component, composed of unbound bosons, contained a symmetry breaking potential. Symmetry breaking resulted in the moment of inflation in a subsystem (small part) of one component, which in turn ignited an unloading wave. The ensuing Big Bang Unloading Wave created a continuously expanding cavity in that component. The cavity is the universe. Within the expanding unloading wave, the first energy cascade has continuously produced intense plasma effects, superelectric fields, and supermagnetic effects. The intense plasma produces violent pinch effects propelling superelectric-magnetic particles to the speed of light c impacting them within the other component (bound boson Fermi-Dirac particles) as original energy particles representing the apex of the spectral ladder and the beginning of the second energy cascade. Here quench factors freeze persistent superconducting current vibrations into place prior to application of the algorithmic ladder of the quantum field theory time line. Energies evolve to include the formation of std model physics (QM,QED,QCD) general theory of relativity (GRT), special theory (SRT), linear momentum, and angular momentum, etc.

Cunningham, Bruce

2009-11-01

316

Imagine the Universe!  

NASA Technical Reports Server (NTRS)

Welcome to the 2004 edition of the education CD from the Laboratory for High Energy Astrophysics at NASA Goddard Space Flight Center. We hope that you will find it to be an exciting and fun learning experience. We have tried very hard to make this CD as user-friendly as possible and along the way we have discovered some things that every user may need to know. Please read the README file found on the CD if you have any questions or problems using the disk. Then, after that, if you still have problems, email us at itu@athena.gsfc.nasa.gov. We will be happy to help you 'get going'! Below are links to all of the sites included on the CD. You will also find the addresses for the on-line version of each of these sites. If you have a good Internet connection available, we recommend that you view the sites on-line. There you will find the latest updated information, interactive activities, and active links to other sites. Included on the disk are: Imagine The Universe! This site is dedicated to a discussion about our Universe... what we know about it, how it is evolving, and the kinds of objects and phenomena it contains. Emphasizing the X-ray and gamma-ray parts of the electromagnetic spectrum, it also discusses how scientists know what they know, what mysteries remain, and how the answers to remaining mysteries may one day be found. Lots of movies, quizzes, and a special section for educators. Geared for ages 14 and up. This site can be viewed on-line at http://imagine.gsfc.nasa.gov/. StarChild: A learning center for young astronomers The 1998 Webby Award Winner for Best Education Website, StarChild is aimed at ages 4-14. It contains easy-to-understand information about our Solar System, the Universe, and space exploration. There are also activities, songs, movies, and puzzles! This site can be viewed on-line at http://starchild.gsfc.nasa.gov/. Astronomy Picture of the Day APOD offers a new astronomical image and caption each calendar day. We have captured the year 2003 entries of this award-winning site and included them on the disk. The images and information provide a wonderful resource for all ages. This site can be viewed on-line at http://apod.gsfc.nasa.gov/apod/astropix.html.

White, N.

2003-01-01

317

Is the Universe odd?  

SciTech Connect

We investigate the point-parity and mirror-parity handedness of the large angle anisotropy in the cosmic microwave background (CMB). In particular we consider whether the observed low CMB quadrupole could more generally signal odd point-parity, i.e., suppression of even multipoles. Even though this feature is 'visually' present in most renditions of the WMAP dataset we find that it never supports parity preference beyond the meagre 95% confidence level. This is fortunate as point-parity handedness implies almost certainly a high level of galactic contamination. Mirror reflection parity, on the contrary, is related to the emergence of a preferred axis, defining the symmetry plane. We use this technique to make contact with recent claims for an anisotropic Universe, showing that the detected preferred axis is associated with positive (even) mirror parity. This feature may be an important clue in identifying the culprit for this unexpected signal.

Land, Kate [Theoretical Physics Group, Imperial College, Prince Consort Road, London SW7 2BZ (United Kingdom); Magueijo, Joao [Perimeter Institute for Theoretical Physics, 31 Caroline St. N., Waterloo, N2L 2Y5 (Canada); Theoretical Physics Group, Imperial College, Prince Consort Road, London SW7 2BZ (United Kingdom)

2005-11-15

318

Cornell University: Project Euclid  

NSDL National Science Digital Library

Project Euclid, available through the Cornell University Library, is "a user-centered initiative to create an environment for the effective and affordable distribution of serial literature in mathematics and statistics." The project is a collaborative partnership with scholarly publishers, professional societies, and academic libraries. The goal is to provide full-text searching, reference linking, interoperability through the Open Archives Initiative, and long-term retention of data. Visitors can "Tour Euclid" to read more about the functionality of the website, including the different options for access. Some publishers require a paid subscription, while others may offer a pay-per-view option or free downloads. Multiple linking options make this a dynamic database. The website has a simple search function and the option to browse the database by journal title, publisher or discipline. A News section provides updates on the project and newly added journals.

2005-12-22

319

Singularity Free Rainbow Universe  

NASA Astrophysics Data System (ADS)

Isotropic quantum cosmological perfect fluid model is studied in the formalism of Rainbow gravity. It is found that the only surviving matter degree of freedom played the role of cosmic time. It is possible to find the wave packet naturally with a suitable choice of the Rainbow functions which resulted from the superposition of the wave functions of the Schrödinger-Wheeler-deWitt equation. The many-worlds interpretation of quantum mechanics is applied to investigate the behavior of the scale factor and the behavior is found to depend on the operator ordering. It is shown that the model in the Rainbow framework naturally avoids singularity and a bouncing nonsingular universe is found.

Majumder, Barun

2013-10-01

320

Model of universe anisotropization  

NASA Astrophysics Data System (ADS)

The presence of a nonconformally invariant term in the photon sector of the Lorentz-violating extension of the standard model of particle physics, the “Kostelecký term” LK?(kF)????F??F??, enables a superadiabatic amplification of magnetic vacuum fluctuations during de Sitter inflation. For a particular form of the external tensor kF that parametrizes Lorentz violation, the generated field possesses a planar symmetry at large cosmological scales and can have today an intensity of order of nanogauss for a wide range of values of parameters defining inflation. This peculiar magnetic field could account for the presently observed galactic magnetic fields and induces a small anisotropization of the Universe at cosmological scales. The resulting Bianchi I model could explain the presumedly low quadrupole power in the cosmic microwave background radiation.

Campanelli, Leonardo

2009-09-01

321

Universal Fingerprinting Chip Server  

PubMed Central

The Virtual Hybridization approach predicts the most probable hybridization sites across a target nucleic acid of known sequence, including both perfect and mismatched pairings. Potential hybridization sites, having a user-defined minimum number of bases that are paired with the oligonucleotide probe, are first identified. Then free energy values are evaluated for each potential hybridization site, and if it has a calculated free energy of equal or higher negative value than a user-defined free energy cut-off value, it is considered as a site of high probability of hybridization. The Universal Fingerprinting Chip Applications Server contains the software for visualizing predicted hybridization patterns, which yields a simulated hybridization fingerprint that can be compared with experimentally derived fingerprints or with a virtual fingerprint arising from a different sample. Availability http://bioinformatica.homelinux.org/UFCVH/

Casique-Almazan, Janet; Larios-Serrato, Violeta; Olguin-Ruiz, Gabriela Edith; Sanchez-Vallejo, Carlos Javier; Maldonado-Rodriguez, Rogelio; Mendez-Tenorio, Alfonso

2012-01-01

322

Rice University: Colvin Group  

NSDL National Science Digital Library

The Colvin Group at Rice University deals with the control and understanding of material properties on nanometer length scales. Some members of the group work to "develop new chemical approaches to forming uniform nanocrystals, and highly ordered porous solids" while "others focus on using these materials as tools for answering fundamental questions about nature, such as the characteristic length scales in glasses and liquids." Researchers can learn about the numerous projects undertaken by the group including understanding the superprism phenomena, the preparation of perfect nanocrystals of metal oxides, and the synthesis of quartz particles in the sub-micron to nanoscale size regime. Students and educators can find helpful tutorials describing the nanoscience field of study. The website also provides many of the group's published papers.

323

Universal lock and key  

US Patent & Trademark Office Database

A universal lock and key assembly in which the lock is re-keyable and the key is also changeable. The key has a shank portion having a longitudinally extending tooth slot in its top surface. A plurality of teeth have their bottom ends inserted into the tooth slot in any desired sequence to give a predetermined profile to the teeth of the key. The bottom pin cylinder of the lock has mating bottom pins for each of the respective teeth. These are then arranged in a coordinated sequence in the bottom pin cylinder of the lock. The structure of the system allows an individual to change both the configuration of the key and also the mating structure within the lock so it will be operable.

1993-05-18

324

Universe exploration vision  

NASA Technical Reports Server (NTRS)

U.S. space policy is discussed in terms of present and planned activities in the solar system and beyond to develop a concept for expanding space travel. The history of space exploration is briefly reviewed with references to the Mariner II, Apollo, and Discoverer programs. Attention is given to the issues related to return trips to the moon, sprint vs repetitive missions to Mars, and the implications of propulsion needs. The concept of terraforming other bodies within the solar system so that they can support human activity is identified as the next major phase of exploration. The following phase is considered to be the use of robotic or manned missions that extend beyond the solar system. Reference is given to a proposed Thousand Astronomical Units mission as a precursor to exploratory expansion into the universe, and current robotic mission activities are mentioned.

O'Handley, D.; Swan, P.; Sadeh, W.

1992-01-01

325

Route 66 University  

NSDL National Science Digital Library

Millions of people learned about Route 66 and how it wound from Chicago to L.A. courtesy of Nat Cole, others from its namesake 1960s television series, and now interested parties can learn online about that fabled stretch of road on this Route 66 University website. Neophytes may want to begin by perusing the section dedicated to maps of the route, allowing them to visualize how it winds through Illinois, Missouri, Kansas, and other states. The site's main page also contains sections that provide electronic postcards, an events calendar, and the "Campus Rag," which provides timely information about the history of this road. The essays and articles here are a true delight, as they range from reminiscences of Route 66 from novelist Michael Lund to a 1996 interview with Roy Rogers. Another section of the site that is worth taking a look at is called "I Rememberâ¦," and features first-hand memories of life along Route 66.

326

The International Space University  

NASA Technical Reports Server (NTRS)

The International Space University (ISU) was founded on the premise that any major space program in the future would require international cooperation as a necessary first step toward its successful completion. ISU is devoted to being a leading center for educating future authorities in the world space industry. ISU's background, goals, current form, and future plans are described. The results and benefits of the type of education and experience gained from ISU include technical reports describing the design projects undertaken by the students, an exposure to the many different disciplines which are a part of a large space project, an awareness of the existing activities from around the world in the space community, and an international professional network which spans all aspects of space activities and covers the globe.

Davidian, Kenneth J.

1990-01-01

327

CSCMP University (Online Courses)  

NSDL National Science Digital Library

CSCMP University offers a selection of online self-study courses for the supply chain professional. The selection of courses, offered in conjunction with Accenture's Supply Chain Academy, provides access to content created by leading supply chain thought leaders from across the globe. Course titles include: Basic Inventory Concepts, Basic Retail Replenishment and Forecasting Statistics & Probability, Buying Services (Statement of Work), Capacity Management, Cost/Price Minimization: Total Cost of Ownership, Cost/Price Minimization: Value Analysis/Value Engineering, Effective Supply: Evaluating Potential Suppliers, Effective Supply: Identifying Requirements, Effective Supply: Sourcing, Effective Supply: Supplier Selection, Efficient Supply Systems: Supplier Measurement Systems, Elements of Product Design, Financial Fundamentals, Fulfillment Fundamentals: Introduction, Fundamentals of Service Management, Labor Scheduling, Manufacturing Resource Planning (MRP II), Measuring Forecast Error & Variability, MRP & Dependent Demand, Optimum Quality: Quality Improvement Methods, Optimum Quality: Supplier Site Visits, Physical Inventory Control and more. A test course is available to take for free online, but users must register first.

2010-07-29

328

Language universals at birth.  

PubMed

The evolution of human languages is driven both by primitive biases present in the human sensorimotor systems and by cultural transmission among speakers. However, whether the design of the language faculty is further shaped by linguistic biological biases remains controversial. To address this question, we used near-infrared spectroscopy to examine whether the brain activity of neonates is sensitive to a putatively universal phonological constraint. Across languages, syllables like blif are preferred to both lbif and bdif. Newborn infants (2-5 d old) listening to these three types of syllables displayed distinct hemodynamic responses in temporal-perisylvian areas of their left hemisphere. Moreover, the oxyhemoglobin concentration changes elicited by a syllable type mirrored both the degree of its preference across languages and behavioral linguistic preferences documented experimentally in adulthood. These findings suggest that humans possess early, experience-independent, linguistic biases concerning syllable structure that shape language perception and acquisition. PMID:24706790

Gómez, David Maximiliano; Berent, Iris; Benavides-Varela, Silvia; Bion, Ricardo A H; Cattarossi, Luigi; Nespor, Marina; Mehler, Jacques

2014-04-22

329

Office of University Partnerships  

NSDL National Science Digital Library

The Office of University Partnerships, founded by the Department of Housing and Urban Development in 1994, is designed "to encourage and expand the efforts of higher education that are striving to make a difference in their communities through funding opportunities." Their online presence includes a number of helpful documents for persons interested in these relationships, including a recently updated guide to foundations likely to fund research related to topics dealing with colleges and communities. Also helpful is a database of research and publications conducted by OUP and its grantees, along with archived OUP newsletters. Rounding out the site is a section devoted to upcoming events sponsored by the OUP and participating institutions, in addition to documents for persons interested in applying for funding.

330

Universal thermoelectric unit  

SciTech Connect

The problems of energy supply of low power electric devices very often can be solved with thermoelectric generator even with low coefficient of performance, when other electric energy sources are not convenient. The problems of thermoelectric and construction choice for such generators are discussed in the paper. A series of domestic thermoelectric generators was designed by the authors. The work is based on designing an universal thermoelectric unit---a battery which consist of ten thermoelements. The coefficient of performance of the unit is about 4%. Any thermoelectric generator can be made as a combination of these units. Principal opportunity of production such thermoelectric generators on industrial scale was proved. {copyright} {ital 1995} {ital American} {ital Institute} {ital of} {ital Physics}.

Fedorov, M.I.; Engalychev, A.E.; Zaitsev, V.K.; Kaliazin, A.E.; Solomkin, F.Y. [A. F. Ioffe Physical-Technical Institute, Politekhnicheskaya 26, St. Petersburg, 194021 (Russian Federation)

1994-08-10

331

Brane Universe: Global Geometry  

SciTech Connect

The global geometries of bulk vacuum space-times in the brane-universe models are investigated and classified in terms of geometrical invariants. The corresponding Carter-Penrose diagrams and embedding diagrams are constructed. It is shown that for a given energy-momentum induced on the brane there can be different types of global geometries depending on the signs of a bulk cosmological term and surface energy density of the brane (the sign of the latter does not influence the internal cosmological evolution). It is shown that in the Randall-Sundrum scenario it is possible to have an asymmetric hierarchy splitting even with a Z{sub 2}-symmetric matching of 'our' brane to the bulk.

Berezin, Victor [Institute for Nuclear Research, Russian Academy of Sciences, 60th October Anniversary Prospect, 7a, 117312, Moscow (Russian Federation)

2010-06-23

332

Kansas State University Herbarium  

NSDL National Science Digital Library

Located in Manhattan, Kansas, Kansas State University is well-known for their various agricultural outreach programs, and their Herbarium is a fascinating place for botanists and the general public. For those who can't make a trip out to Kansas, they also have a nice website. Visitors to the site can start by looking over the "Information" section, which includes information on the history of the Herbarium, along with offering up a nice answer to the question, "What is an herbarium?" Moving on, visitors can also query their online database of plant species from Kansas and learn about their forthcoming Central Great Plains Network. The site is rounded out with a list of contact information and other noteworthy links.

2006-01-01

333

University of California Research  

NSDL National Science Digital Library

The University of California system has many research institutes spread across campuses like Davis, Berkeley, Irvine, and others. This helpful website brings together timely news stories about their work, along with multimedia presentations, personal profiles, links to external media coverage, and so on. On the homepage, visitors can look over recent profiles or look through the "Science Today" area, which includes brief audio profiles of various research projects on atmospheric science, animal husbandry, and more. One rather aesthetically pleasing section features the Image of the Day. Here visitors can check out vibrant photos of the curious willow catkin, bracket fungi, and the Northwest crimson columbine. Finally, the Videos area includes dozens of videos that look into a range of topics from the interaction between snakes and android-style squirrels to oysters to urban water systems.

2010-01-01

334

Quinnipiac University Polling Institute  

NSDL National Science Digital Library

Quinnipiac University's Polling Institute is perhaps one of the best known polling centers in the United States, and their work is frequently cited by major media outlets. Staff members at the Institute are also called upon to offer commentary on the voting habits and preferences of a broad swath of the American public. Visitors to their site can start their journey by clicking on the "Releases by State" area on the left-hand side of the homepage. Here they will find the results of recent polls conducted at the state and national level. From there, visitors will want to visit the "Polling Regional Definitions" where they can learn about how each state is divided up for polling purposes. Also, the site allows users to search all of their press releases by area (such as individual states or "swing states") and timeframe.

335

Supply Side University  

NSDL National Science Digital Library

Those who are interested in the intricacies of supply-side economics will find Jude Wanniski's Supply Side University a useful site for understanding the concepts of this theory. Wanniski, a well-known supply-side advocate, maintains SSU as a free "weekend school in supply-side economics," where the subject is taught in a political context. Included at present are four essays and 23 lessons ranging from It's Time to Cut Taxes, to The World Trade Deficit, to Say's Law of Markets, to Two Kinds of Deflation (or Inflation). Much of the content is derived from Wanniski's articles in The Wall Street Journal and from his well-known book The Way the World Works. Lessons are driven by user questions, and Wanniski encourages "economists trained in Keynesian or monetarist theory [to] sneak in without embarrassment."

Wanniski, Jude, 1936-.

1997-01-01

336

Universal Design for Learning  

NSDL National Science Digital Library

This Wiki page provides a link to the recording of a webinar by Mindy Johnson. Join Mindy as she stresses the imporatnce of meeting the needs of diverse learners while maintaining high achievement standards for all can be challenging â even for the most seasoned educator. Universal Design for Learning (UDL), a framework based on brain research, provides rich supports and pedagogy to address these challenges, enabling all individuals to gain knowledge, skills, and enthusiasm for learning. Shifting our attention toward the goals, methods, materials, and assessments used in instruction focuses on the disabilities in our curriculum; not in our students. Join us for a discussion about UDL, and leave with some strategies and tools you can use in your classroom tomorrow! Other links to the resources discussed in this webinar are also provided.

2009-10-21

337

Fred Hoyle's Universe  

NASA Astrophysics Data System (ADS)

Fred Hoyle was a Yorkshire truant who became the voice of British astronomy. For fifty years, he spoke out for astronomy in the newspapers, on government committees, at scientific meetings, in popular books and on the radio. He devised a never-ending history of the universe, and worked out how the elements were made. He founded a prestigious institute for theoretical astronomy and built a giant telescope, and if it rained on his summer holiday, he sat in his caravan and wrote science fiction novels for his legions of fans around the world. Fred Hoyle also claimed that diseases fall from the sky, that the big bang never happened, and that the Astronomer Royal should be abolished. When the outspoken Fred Hoyle spoke out for astronomy, some astronomers really wished he had kept his mouth shut. This book tells the behind-the-scenes story of Hoyle's widely acclaimed and deeply controversial role in the ideas, organization and public face of astronomy in post-war Britain. It chronicles the triumphs, acrimony, jealousies, rewards and bitter feuds of a field in turmoil, and meets the astronomers, contemplating cosmic questions, keeping secrets, losing their tempers, winkling information out of distant stars and, over tea on the lawn, discussing the finer points of libel law. Fred Hoyle's Universe draws on previously confidential government documents, recently released personal correspondence and interviews with Hoyle's friends, colleagues and critics, as well as with Hoyle himself, to bring you the man, the science, and the scandal behind the genial and genteel facade of the most exciting period in the history of astronomy.

Gregory, Jane

2005-08-01

338

The Relationship between Universities and Industry: The American University Perspective  

Microsoft Academic Search

Summary The enactment of the Bayh-Dole Act in 1980 by the U.S. Congress allowed universities and small businesses to own patents on research which had been federally-sponsored. This has revolutionized the relationship between academia and industry. The legislation allowed universities to license their patents to industry, exclusively or non-exclusively. Ro- yalties, received by the universities for such licensing, are used

Arnold L. Demain

339

Pre-University Chemistry Course  

NSDL National Science Digital Library

From the University of Oxford Department of Chemistry comes the Pre-University Chemistry Course teaching material Web site. This multimedia learning resource is based on the book Chemistry, Matter and the Universe by Richard E. Dickerson and Irving Geis, and contains more than twenty topics. Users can learn about atoms, molecules, moles, particles, waves, heat, energy, and more through various well-done animated and interactive activities.

1998-01-01

340

Universal Design in Science Learning  

NSDL National Science Digital Library

Universal design provides a framework for science educators to ensure that teaching and learning opportunities are not only standards-based, but inherently flexible, accessible, and usable to accommodate learner diversity--including cultural, socioeconomic, ethnic background, gender, and ability level. This article presents an overview of how universal design and technology can advance science for all and provides scenarios of universal design in practice.

Curry, Cynthia; Cohen, Libby; Lightbody, Nancy

2006-03-01

341

Topological Defects in Contracting Universes  

NASA Astrophysics Data System (ADS)

We study the behavior and consequences of cosmic string networks in contracting universes. They approximately behave during the collapse phase as radiation fluids. Scaling solutions describing this are derived and tested against high-resolution numerical simulations. A string network in a contracting universe, together with the gravitational radiation it generates, can affect the dynamics of the universe both locally and globally and be an important source of radiation, entropy, and inhomogeneity. We discuss possible implications for bouncing and cyclic models.

Avelino, P. P.; Martins, C. J.; Santos, C.; Shellard, E. P.

2002-12-01

342

Drexel University - Summer Science Courses  

NSDL National Science Digital Library

This website provides information regarding various online remidiation summer courses taught online via Drexel University. These courses include: Medical Gross Anatomy, Medical Embryology, Medical Microanatomy, and Medical Neuroscience.

Drexel University (Drexel University)

2012-07-24

343

The University Library: The Center of a University Education?  

ERIC Educational Resources Information Center

This paper discusses a formal study conducted in 2001 at Brigham Young University to determine the value of the library to the university community. Methods used to collect data for the study included an e-mail survey, usage statistics, naturalistic observations, and interviews. Two years after the study, the authors wondered if the conclusions of…

Frade, Patricia A.; Washburn, Allyson

2006-01-01

344

International University Ranking Systems and the Idea of University Excellence  

ERIC Educational Resources Information Center

We look at some of the theoretical and methodological issues underlying international university ranking systems and, in particular, their conceptual connection with the idea of excellence. We then turn to a critical examination of the two best-known international university ranking systems--the "Times Higher Education Supplement (THES)" World…

Taylor, Paul; Braddock, Richard

2007-01-01

345

Building Effective Community-University Partnerships: Are Universities Truly Ready?  

ERIC Educational Resources Information Center

Community service learning and community-based research necessitate the development of strong community-university partnerships. In this paper, students, faculty, and a community partner critically reflect upon the process of establishing a long-term community-university partnership through the integration of a community service learning component…

Curwood, Susan Eckerle; Munger, Felix; Mitchell, Terry; Mackeigan, Mary; Farrar, Ashley

2011-01-01

346

The American University in Bulgaria as an Entrepreneurial University.  

ERIC Educational Resources Information Center

Describes the American University in Bulgaria as a case study in educational entrepreneurship. This U.S.-style liberal arts university offers a curriculum that is unique in the Bulgarian higher education system, employs faculty with a commitment to principles of shared governance and an emphasis on Total Quality Management, and offers…

Chambers, J. Barry

1999-01-01

347

Information Technology in University Libraries in Karnataka  

Microsoft Academic Search

Examines the results of a survey of the availability and use of information technology in the libraries of the University of Mysore, Karnatak University, Bangalore University, Gulbarga University, Mangalore University and Kuvempu University in Karnataka State, India. Attempts to reflect how the use of IT has impacted on the overall use of the library collections by users. Covers the use

Constantine M. Nyamboga; T. D. Kemparaju

2002-01-01

348

Hydrogen fuel - Universal energy  

NASA Astrophysics Data System (ADS)

The technology for the production, storage, transmission, and consumption of hydrogen as a fuel is surveyed, with the physical and chemical properties of hydrogen examined as they affect its use as a fuel. Sources of hydrogen production are described including synthesis from coal or natural gas, biomass conversion, thermochemical decomposition of water, and electrolysis of water, of these only electrolysis is considered economicially and technologically feasible in the near future. Methods of production of the large quantities of electricity required for the electrolysis of sea water are explored: fossil fuels, hydroelectric plants, nuclear fission, solar energy, wind power, geothermal energy, tidal power, wave motion, electrochemical concentration cells, and finally ocean thermal energy conversion (OTEC). The wind power and OTEC are considered in detail as the most feasible approaches. Techniques for transmission (by railcar or pipeline), storage (as liquid in underwater or underground tanks, as granular metal hydride, or as cryogenic liquid), and consumption (in fuel cells in conventional power plants, for home usage, for industrial furnaces, and for cars and aircraft) are analyzed. The safety problems of hydrogen as a universal fuel are discussed, noting that they are no greater than those for conventional fuels.

Prince, A. G.; Burg, J. A.

349

Prison University Project  

NSDL National Science Digital Library

San Quentin State Prison in California is the site of an innovative program that provides prisoners the opportunity to take higher education courses while incarcerated. The program is staffed by volunteers and funded by donors. Visitors will find that the website for the Prison University Project (PUP) contains a great audio feature in the "Students" section of the "About Us" link about students and volunteers involved in the experience. The "Resources" link has a number of articles that explain to visitors the value of educating the prison population, including "Education Reduces Crime: Three-State Recidivism Study", "Inside-Out Prison Exchange Program", and "Back to School: A Guide to Continuing Your Education After Prison". The "Guest Lectures and Presentations" link has full-length audio recordings of lectures presented at San Quentin. Some of the excellent lectures that visitors can listen to include "Sentencing law and policy (or lack of it) in California: a view from inside the sausage factory" and "The Changing Scale of Imprisonment in the US: Why Populations Can't Be Expected to Drop As Much As They Have Increased".

350

Nonminimal universal extra dimensions  

SciTech Connect

In this paper, we investigate the phenomenological implications of boundary localized terms (BLTs) in the model of universal extra dimensions (UED). In particular, we study the electroweak Kaluza-Klein mass spectrum resulting from BLTs and their effect on electroweak symmetry breaking via the five-dimensional Higgs mechanism. We find that the addition of BLTs to massive five-dimensional fields induces a nontrivial extra-dimensional profile for the zero and nonzero Kaluza-Klein (KK) modes. Hence BLTs generically lead to a modification of standard model parameters and are therefore experimentally constrained, even at tree level. We study standard model constraints on three representative nonminimal UED models in detail and find that the constraints on BLTs are weak. On the contrary, nonzero BLTs have a major impact on the spectrum and couplings of nonzero KK modes. For example, there are regions of parameter space where the lightest Kaluza-Klein particle is either the Kaluza-Klein Higgs boson or the first KK mode of the W{sup 3}.

Flacke, Thomas; Menon, A.; Phalen, Daniel J. [Michigan Center for Theoretical Physics (MCTP), Randall Laboratory, Physics Department, University of Michigan, Ann Arbor, Michigan 48109 (United States)

2009-03-01

351

Gravity Driven Universe  

NASA Astrophysics Data System (ADS)

Flowing global gravitation initially produced space without time or mass. Space-time and mass are properties of flowing global gravitation. From its fabric, primal mass spins spontaneously giving rise to local gravitational space-time curvatures. Global gravity is the unifying background field. Gravity began flowing from its singularity with a big whoosh. It curves with angular rotational precession, creating a spatial geometry similar to the windings of a ball of string. Three-dimensional global gravity swirls locally into massive densities. Concurrently with these densities, local gravity curvatures of space-time arise. The expanse between celestial objects is not completely empty, void space as generally believed; it is antecedent gravity, a prerequisite associated field necessary for originating the first quantum particles. Gravity is dark energy; gravity's spin, as the second fundamental force, is electromagnetic dark matter. Electromagnetic masses attract then gravity compresses hot, dense and small---then bang, the first hydrogen star of which there are many. There may have been many big bangs, but no Big Bang that ultimately created the universe.

Masters, Roy

2010-03-01

352

Universal fuel sender  

SciTech Connect

This patent describes a universal fuel sender adapted to be mounted within a fuel tank. It comprises: a top plate adapted to be fastened over an opening in the fuel tank, a support rod having an axially uniform cross-section so that it may be manufactured in long lengths, means for attaching the support rod to the top plate so that the support rod extends into the fuel tank, a substantially U-shaped rheostat mounting bracket having a pair of spaced rod receiving openings therein each having a shape complementary to the rod cross-section so that the mounting bracket is adjustable to any desired position along the rod, the mounting bracket defining a pocket facing the rod, and means for adjustably clamping the bracket to the rod, a rheostat comprising a pivotally moveable wiper arm and a generally arcuate thick film resistor applied to a substrate, the wiper arm and the substrate being mounted on the mounting bracket within the pocket, and a float arm assembly means.

Weaver, F.C.

1990-05-29

353

Universal Signal Conditioning Amplifier  

NASA Technical Reports Server (NTRS)

The Technological Research and Development Authority (TRDA) and NASA-KSC entered into a cooperative agreement in March of 1994 to achieve the utilization and commercialization of a technology development for benefiting both the Space Program and U.S. industry on a "dual-use basis". The technology involved in this transfer is a new, unique Universal Conditioning Amplifier (USCA) used in connection with various types of transducers. The project was initiated in partnership with I-Net Corporation, Lockheed Martin Telemetry & Instrumentation (formerly Loral Test and Information Systems) and Brevard Community College. The project consists of designing, miniaturizing, manufacturing, and testing an existing prototype of USCA that was developed for NASA-KSC by the I-Net Corporation. The USCA is a rugged and field-installable self (or remotely)- programmable amplifier that works in combination with a tag random access memory (RAM) attached to various types of transducers. This summary report comprises performance evaluations, TRDA partnership tasks, a project summary, project milestones and results.

Kinney, Frank

1997-01-01

354

Universal ripper miner  

DOEpatents

A universal ripper miner used to cut, collect and transfer material from an underground mine working face includes a cutter head that is vertically movable in an arcuate cutting cycle by means of drive members, such as hydraulically actuated pistons. The cutter head may support a circular cutter bit having a circular cutting edge that may be indexed to incrementally expose a fresh cutting edge. An automatic indexing system is disclosed wherein indexing occurs by means of a worm gear and indexing lever mechanism. The invention also contemplates a bi-directional bit holder enabling cutting to occur in both the upstroke and the downstroke cutting cycle. Another feature of the invention discloses multiple bits arranged in an in-line, radially staggered pattern, or a side-by-side pattern to increase the mining capacity in each cutting cycle. An on-board resharpening system is also disclosed for resharpening the cutting edge at the end of cutting stroke position. The aforementioned improvement features may be used either singly, or in any proposed combination with each other.

Morrell, Roger J. (Bloomington, MN); Larson, David A. (Minneapolis, MN)

1991-01-01

355

Testing the Accelerating Universe  

NASA Astrophysics Data System (ADS)

Type Ia supernovae provide evidence for an accelerating universe: an extraordinary result that needs to be rigorously tested. The two chief alternatives to a cosmological source for the observed shape of the high-z Hubble diagram {z >= 0.4} are dust that absorbs, but does not redden much, and intrinsic changes in the luminosity of distant supernovae due to the age of the stellar population or the chemical composition of the progenitor stars. We propose to test the generic predictions of composition models and the specific predictions of dust models through very wide wavelength coverage UBVRI observations of 7 supernovae near z = 0.5. These observations, with precise restframe UBVR from HST and restframe I from large groundbased telescopes, will provide enough information for a definitive test of the ``grey'' dust proposal, while they also place the most stringent constraints on differences that could be attributed to chemical differences or age differences between nearby and distant samples of SN Ia. The unique restframe U-band observations proposed here will be especially important in comparing SN Ia at z=0, where we have a sample, and z=0.5, where we don't, and in interpreting the data from very high redshift supernovae with z>=1. Our goal is cosmology, our measuring tool is supernovae, and we need precise, wide wavelength measurements at z=0.5 to test the quality of this yardstick.

Schmidt, Brian

2000-07-01

356

Universal signal conditioning amplifier  

NASA Technical Reports Server (NTRS)

A state-of-the-art instrumentation amplifier capable of being used with most types of transducers has been developed at the Kennedy Space Center. This Universal Signal Conditioning Amplifier (USCA) can eliminate costly measurement setup item and troubleshooting, improve system reliability and provide more accurate data than conventional amplifiers. The USCA can configure itself for maximum resolution and accuracy based on information read from a RAM chip attached to each transducer. Excitation voltages or current are also automatically configured. The amplifier uses both analog and digital state-of-the-art technology with analog-to-digital conversion performed in the early stages in order to minimize errors introduced by offset and gain drifts in the analog components. A dynamic temperature compensation scheme has been designed to achieve and maintain 12-bit accuracy of the amplifier from 0 to 70 C. The digital signal processing section allows the implementation of digital filters up to 511th order. The amplifier can also perform real-time linearizations up to fourth order while processing data at a rate of 23.438 kS/s. Both digital and analog outputs are available from the amplifier.

Medelius, Pedro J.; Hallberg, Carl; Cecil, Jim

1994-01-01

357

The virtual university.  

PubMed

Surgeons will soon be able to acquire, test and validate new skills from a distance. We have developed the concept of the 'virtual university' for surgeons in the field of laparoscopy and minimally invasive surgery. This concept permits surgeons to update their education at their own pace, from a remote location. Operating techniques follow a standard format, and illustrations have been prepared in cooperation with authors and editors. Using new technologies we have been able to rethink anatomical artwork; software has made it possible to add animation. Unlike paper journals, the Internet can accept colour illustrations with no limits, either in terms of size or number. Two types of videos have been developed: films of 15-30 min describing a surgical procedure and experts' opinions. The contents of www.websurg.com are written entirely by surgeons, under the control and seal of approval of national and international societies. All partners (authors, reviewers, editors, sponsors, owners) need to be satisfied and accept editorial independence. Some factors can compromise the reputation of a website (publication without a rigorous peer review process, product placement in reports of a supposedly independent study, promotion of sectarian interests disguised as independent commentary, etc.). Transgression in any of these areas leads to a rapid diminution of trust and thus a diminishing reputation -- a downward spiral to mediocrity and scientific marginalisation. PMID:16754050

2002-03-01

358

The Future of the Universe.  

ERIC Educational Resources Information Center

The future of the universe is discussed in terms of several models. These include the closed, open, and critical models of the universe. Black holes and speculation on what may happen to life in the cosmological models are also discussed. (JN)

Page, Don N.; McKee, M. Randall

1983-01-01

359

University Rankings and Social Science  

ERIC Educational Resources Information Center

University rankings widely affect the behaviours of prospective students and their families, university executive leaders, academic faculty, governments and investors in higher education. Yet the social science foundations of global rankings receive little scrutiny. Rankings that simply recycle reputation without any necessary connection to real…

Marginson, Simon

2014-01-01

360

University--Science Fair Partnership.  

ERIC Educational Resources Information Center

Describes a partnership between a fifth-grade teacher and a university methods professor that involved developing an elementary science fair project mentored by university students. Provides opportunities for elementary students to conduct scientific investigations to learn about science, and opportunities for education majors to have firsthand…

Tallman, Erika; Taylor, Karen

1997-01-01

361

The Future of University Research.  

ERIC Educational Resources Information Center

The function of the research-related activities of universities in countries belonging to the Organization for Economic Co-operation and Development (OECD) is examined. Additionally, the extent to which the universities are affected by the demands placed upon them, and implications of the situation for the future well-being of the scientific…

Organisation for Economic Cooperation and Development, Paris (France).

362

Label Reading for University Students  

Microsoft Academic Search

The purpose of this study was to evaluate comprehension of food labeling in the university student. The release of the new Nutrition Facts food label provided a unique opportunity to assess skill in interpreting the new information provided on the label. One hundred and eighty-four university students enrolled in a basic level nutrition course were tested before receiving classroom education.

D. A. Downes; C. K. Probart; E. L. Mattes

1995-01-01

363

University Performance of Nonmatriculated Admissions.  

ERIC Educational Resources Information Center

Many Canadian universities have sought to promote access and equity through programs allowing nonmatriculated admissions (NMAs), frequently older students with academic deficiencies. Examination of University of Alberta academic records found that grade point averages were significantly lower for NMAs than for regular admissions, and were related…

Golec, Judith; And Others

1995-01-01

364

Sign Program for a University.  

ERIC Educational Resources Information Center

A co-ordinated sign program for a multi-campus university not only helps students and visitors find their way around, but is a design element that adds identification and unity. Graphic designer, Paul Arthur, has designed a modular sign system for the University of Tennessee with all elements having standard color, lettering, size and materials.…

Architectural and Engineering News, 1968

1968-01-01

365

The University as an Organization.  

ERIC Educational Resources Information Center

This collection of studies by men and women who understand universities and have the experience and ability to view them in perspectives of history and international experience demonstrates that universities constitute a genus of institution that is unique in its totality and comparable to other organizations only in certain of its…

Perkins, James A., Ed.

366

Growing an Emerging Research University  

ERIC Educational Resources Information Center

The emerging research college or university is one of the most formidable resources a region has to reinvent and grow its economy. This paper is the first of two that outlines a process of building research universities that enhance regional technology development and facilitate flexible networks of collaboration and resource sharing. Although the…

Birx, Donald L.; Anderson-Fletcher, Elizabeth; Whitney, Elizabeth

2013-01-01

367

Water Recycling in Schools & Universities  

ERIC Educational Resources Information Center

Consider the waste streams generated in schools and universities. So what is in the typical used water generated in schools and universities? It is typically about 99 percent water, with the remaining 1 percent mainly made up of organic compounds. Used water contains nutrients such as nitrogen and phosphorous. When one judges it on its quality, it…

Meeten, Nick

2013-01-01

368

The Student as University Resident.  

ERIC Educational Resources Information Center

The distinction between the student as campus resident (if the residential relationship is viewed as one of contract) and the student as private citizen appears to be fair to both university and student. But, whether the university is considered primarily an academic institution or an instrument of government, the off campus/on campus distinction…

Van Alstyne, William W.

1968-01-01

369

Human Education at Reitaku University.  

ERIC Educational Resources Information Center

Examines Japan's Reitaku University (Chiba-ken, Japan) and its goal of producing students who have a good balance between technical intelligence and morality. Discusses in detail how the university uses foreign-language instruction, moral education coursework, and dormitory living experiences to further the students' moral education. (GEA)

Mizuno, Jitaro

1988-01-01

370

Environmental Management at Swedish Universities  

ERIC Educational Resources Information Center

Since 1996, all Swedish public authorities, which includes most universities, have been made responsible for contributing to the sustainable development of the society. Swedish universities are thus required to submit annual environmental reports about their policies, structures and actions. This study provides a review of the activities that…

Arvidsson, Karin

2004-01-01

371

Oxford University Humanities Computing Unit  

NSDL National Science Digital Library

Oxford University, Centre for Humanities Computing and the CTI Centre for Textual Studies on the Web with information about the Centre, Staff, other services at Oxford University, and the HUMBUL Gateway to International Resources. Also, a complete version of the CTI Centre's Resources Guide converted into HTML.

372

Outdoor Recreation at Brock University  

ERIC Educational Resources Information Center

Brock University offers both undergraduate and graduate programs and is host to approximately 17,000 students. It is the only Canadian university located in a World Biosphere Reserve--the Niagara Escarpment. The Bruce Trail passes through campus, and offers ample opportunities for hiking, mountain biking, nature interpretation and outdoor…

Breunig, Mary; O'Connell, Tim; Hutson, Garrett

2007-01-01

373

The isotropy of the universe  

Microsoft Academic Search

It is shown that the anisotropy of a spatially homogeneous anisotropic minisuperspace model of the universe is likely to be very small at the present time if the universe is in the quantum state defined by a path integral over compact four-geometries.

Stephen W. Hawking; Julian C. Luttrell

1984-01-01

374

Three Chinese Women's Vocational Universities.  

ERIC Educational Resources Information Center

Describes three women's vocational schools in China. Discusses campuses, specialities, curriculum, and facilities available to students at Fujian Hua'nan Women's Vocational College, Xi'an Peihua Women's University, and Hunan Women's Vocational University. Notes an emphasis on practical experience at the three schools. (DK)

Dai, Shujun

1991-01-01

375

University Resources for International Development.  

ERIC Educational Resources Information Center

In 1964, John W. Gardner outlined some criteria that should be appied in the selection of universities that would serve as AID contractors. These criteria were: (1) the extent to which the universities had developed their resources in the international field; (2) the caliber of the faculty in the key fields; (3) the extent of interdisciplinary…

Alter, Chester M.

376

Learning Productivity at Research Universities.  

ERIC Educational Resources Information Center

Compared levels of engagement in learning activities and gains of students at research universities (RUs) and other types of colleges in the 1980s and 1990s. Though students at other universities generally outperformed RU students, the gap closed somewhat between the mid-80s and mid-90s due in part to declines in many learning productivity…

Kuh, George D.; Hu, Shouping

2001-01-01

377

Internationalizing the University Mathematics Curriculum  

ERIC Educational Resources Information Center

This article offers suggestions for achieving the internationalization of university mathematics-related curricular offerings. It presents learning objectives and related student outcomes, raises general issues related to internationalization, and then discusses how to incorporate the objectives and address these issues within the university

Appelbaum, Peter; Friedler, Louis M.; Ortiz, Carlos E.; Wolff, Edward F.

2009-01-01

378

The Abuses of the University.  

ERIC Educational Resources Information Center

Looking back at what has been happening ON university campuses since 1963, one may become concerned about what may happen TO the institutions involved. There is nothing immutable or sacrosanct about the way colleges and universities are organized and operated, but they must be able to resist pressures for changes that would threaten their…

Wilson, Logan

379

University Goals and Academic Power.  

ERIC Educational Resources Information Center

The study compares the background and characteristics of administrators and faculty, and their perceptions of what the goals of the university are, what they should be, and what persons or groups are in positions of real power. An attempt was also made to ascertain how the global characteristics and power structure of the university are related to…

Gross, Edward; Grambsch, Paul V.

380

Sustainability in Brazilian Federal Universities  

ERIC Educational Resources Information Center

Purpose: The purpose of this paper is to identify the number of courses related to sustainability offered in bachelor degree programs of business administration in Brazilian federal universities. Design/methodology/approach: An exploratory research was carried out based on a descriptive scope. The process of mapping federal universities in Brazil…

Palma, Lisiane Celia; de Oliveira, Lessandra M.; Viacava, Keitiline R.

2011-01-01

381

The Work of the University.  

ERIC Educational Resources Information Center

The essays and speeches in this collection, published on Richard Levins 10th anniversary as president of Yale University, reflects his intellectual passions and the depth of his understanding of the work of the university.The first section, "From the Beginning," contains: (1) "Calm Seas, Auspicious Gales"; and (2) "Beyond the Ivy Walls: Our…

Levin, Richard C.

382

A University for the People  

ERIC Educational Resources Information Center

Over the past year lifelong learning in universities has come under the spotlight of politicians, educationalists, journalists and adult learners. For some, the concern has been about countering the fall-out from changes in public funding and challenging the reduction in provision--and even closure--of university departments. A number of…

Webb, Sue

2010-01-01

383

The University and the Community.  

ERIC Educational Resources Information Center

This paper presented views on the role of the university, and particularly the University of Alberta, in the community in the 1970s. Such indicators as population growth, income growth, rising level of education, rising levels of taxation, the rapidity of technological advance, shifts in social pattern, all pointed to a rapidly growing demand on…

Campbell, Duncan

384

Desktop Publishing in the University.  

ERIC Educational Resources Information Center

Highlighting changes in the work of people within the university, this book presents nine essays that examine the effects of desktop publishing and electronic publishing on professors and students, librarians, and those who work at university presses and in publication departments. Essays in the book are: (1) "Introduction: The Promise of Desktop…

Burstyn, Joan N., Ed.

385

Language universals in human brains  

PubMed Central

Do speakers know universal restrictions on linguistic elements that are absent from their language? We report an experimental test of this question. Our case study concerns the universal restrictions on initial consonant sequences, onset clusters (e.g., bl in block). Across languages, certain onset clusters (e.g., lb) are dispreferred (e.g., systematically under-represented) relative to others (e.g., bl). We demonstrate such preferences among Korean speakers, whose language lacks initial C1C2 clusters altogether. Our demonstration exploits speakers' well known tendency to misperceive ill-formed clusters. We show that universally dispreferred onset clusters are more frequently misperceived than universally preferred ones, indicating that Korean speakers consider the former cluster-type more ill-formed. The misperception of universally ill-formed clusters is unlikely to be due to a simple auditory failure. Likewise, the aversion of universally dispreferred onsets by Korean speakers is not explained by English proficiency or by several phonetic and phonological properties of Korean. We conclude that language universals are neither relics of language change nor are they artifacts of generic limitations on auditory perception and motor control—they reflect universal linguistic knowledge, active in speakers' brains.

Berent, Iris; Lennertz, Tracy; Jun, Jongho; Moreno, Miguel A.; Smolensky, Paul

2008-01-01

386

Reading Neoliberalism at the University  

ERIC Educational Resources Information Center

Ongoing transformations of the university--from changing working conditions to issues of affordability and access, increasing "accountability" measures and commodification of academic production--are increasingly referred to as university corporatisation and are unfolding within and concomitant to neoliberal globalisation. In this paper we outline…

Shear, Boone W.; Zontine, Angelina I.

2010-01-01

387

Governing Universities. Changing the Culture?  

ERIC Educational Resources Information Center

This book reports on a British research project involving a questionnaire survey of 494 university governors and a multi-site case study analysis to examine how different types of higher education institutions (especially "old" and "new" universities and colleges) converge and/or diverge in their governance styles. Chapter 1 introduces the study…

Bargh, Catherine; Scott, Peter; Smith, David

388

Dark Energy Rules the Universe  

SciTech Connect

The revolutionary discovery that the expansion of the universe is speeding up, not slowing down from gravity, means that 75 percent of our universe consists of mysterious dark energy. Berkeley Lab theoretical physicist Eric Linder delves into the mystery of dark energy as part of the Science in the Theatre lecture series on Nov. 24, 2008.

Eric Linder

2008-12-16

389

Dark Energy Rules the Universe  

ScienceCinema

The revolutionary discovery that the expansion of the universe is speeding up, not slowing down from gravity, means that 75 percent of our universe consists of mysterious dark energy. Berkeley Lab theoretical physicist Eric Linder delves into the mystery of dark energy as part of the Science in the Theatre lecture series on Nov. 24, 2008.

390

Gifted Students' Transition to University  

ERIC Educational Resources Information Center

The transition from school to university presents novel demands for all students. Although this educational milestone has been addressed by scholars, particularly those interested in the study of higher education, there is a dearth of literature regarding gifted students' experience of their handling demands of first-year university. In the…

Mendaglio, Sal

2013-01-01

391

The African University in Development.  

ERIC Educational Resources Information Center

The role of the African university in the development of the continent is discussed in terms of African educational history and its effect on societal needs of communities, the influence of Western conceptions of the university, and the world role it can play within the academic community. The first essay examines the historical development of the…

Wandira, Asavia

392

Universities: Engaging with Local Communities  

ERIC Educational Resources Information Center

This leaflet illustrates the many ways in which universities impact on the local area. Universities are a major contributor to the economy in their own right, both as employers and purchasers of goods. Their social and cultural influence is also felt through their provision of: (1) art galleries, museums and exhibitions; (2) cinemas and theatres;…

Universities UK, 2010

2010-01-01

393

Conceptual Distinctions in University Planning.  

ERIC Educational Resources Information Center

Furthers an understanding of university planning and suggests improvements in university planning practice, drawing on conceptual distinctions derived from planning literature and comparing three case studies employing these distinctions. By combining and extending the various planning models and testing them through case studies, one might…

Neufeld, Barbara

1993-01-01

394

Islamic Universities Spread through Africa  

ERIC Educational Resources Information Center

This article reports on new universities for Muslims, many supported by groups in the Middle East, which are spreading through the sub-Saharan region. The Islamic University in Uganda is a prime example of a new kind of institution that has slowly been spreading its way across the continent. Embracing both conservative Muslim values and modern…

Lindow, Megan

2007-01-01

395

Kennedy at Rice University  

NASA Technical Reports Server (NTRS)

President Kennedy speaks before a crowd of 35,000 people at Rice University in the football field. The following are excerpts from his speech. ' ...We set sail on his new sea because there is a new knowledge to be gained, and new rights to be won, and they must be won and used for the progress of all people. ...Whether it will become a force for good or ill depends on man, and only if the United States occupies a position of pre-eminence can we help decide whether this new ocean will be a sea of peace or a new terrifying theater of war. But I do say space can be explored and mastered without feeding the fires of war, without repeating the mistakes that man has made with extending his writ around this globe of ours. ...There is no strife, no prejudice, no national conflict in outer space as yet. Its conquest deserves the best of all mankind, and its opportunity for peaceful cooperation may never come again. But why, some say the Moon? Why choose this as our goal? And they may well ask, why climb the highest mountian? Why - 35 years ago - why fly the Atlantic? Why does Rice play Texas? We choose to go to the Moon, we choose to go to the Moon in this decade and do the other things, not because they are easy, but because they are hard, because that goal will serve to organize and measure the best of our energies and skills, because that challenge is one that we are willing to accept, one we are unwilling to postpone, and one in which we intend to win, and the others too.'

1962-01-01

396

Kennedy at Rice University  

NASA Technical Reports Server (NTRS)

President Kennedy speaks before a crowd of 35,000 people at Rice University in the football field. The following are excerpts from his speech. ' ...We set sail on his new sea because there is a new knowledge to begained, and new rights to be won, and they must be won and used for the progress of all people. Whether it will become a force for good or ill depends on man, and only if the United States occupies a position of pre-eminence can we help decide whether this new ocean will be a sea of peace or a new terrifying theater of war. But I do say space can be explored and mastered without feeding the fires of war, without repeating the mistakes that man has made with extending his wirt around this globe of ours. There is no strife, no prejudice, no national conflict in outer space as yet. Its conquest deserves the best of all mankind, and its opportunity for peaceful cooperation may never come again. But why, some say the Moon? Why choose this as our goal? And they may well ask, why climb the highest mountain? Why 35 years ago why fly the Atlantic? Why does Rice play Texas? We choose to go to the Moon, we choose to go to the moon in this decade and do the other things, not because they are easy, but because they are hard, because that goal will serve to organize and measure the best of our energies and skills, because that challenge is one that we are willing to accept, one we are unwilling to postpone, and one in which we attend to win, and the others , too.'

1962-01-01

397

The Black Hole Universe Model  

NASA Astrophysics Data System (ADS)

The black hole universe model is a multiverse model of cosmology recently developed by the speaker. According to this new model, our universe is a fully grown extremely supermassive black hole, which originated from a hot star-like black hole with several solar masses, and gradually grew up from a supermassive black hole with million to billion solar masses to the present state with trillion-trillion solar masses by accreting ambient matter or merging with other black holes. The entire space is structured with infinite layers or universes hierarchically. The innermost three layers include the universe that we live, the inside star-like and supermassive black holes called child universes, and the outside space called mother universe. The outermost layer is infinite in mass, radius, and entropy without an edge and limits to zero for both the matter density and absolute temperature. All layers are governed by the same physics and tend to expand physically in one direction (outward or the direction of increasing entropy). The expansion of a black hole universe decreases its density and temperature but does not alter the laws of physics. The black hole universe evolves iteratively and endlessly without a beginning. When one universe expands out, a new similar one is formed from inside star-like and supermassive black holes. In each of iterations, elements are resynthesized, matter is reconfigurated, and the universe is renewed rather than a simple repeat. The black hole universe is consistent with the Mach principle, observations, and Einsteinian general relativity. It has only one postulate but is able to explain all phenomena occurred in the universe with well-developed physics. The black hole universe does not need dark energy for acceleration and an inflation epoch for flatness, and thus has a devastating impact on the big bang model. In this talk, I will present how this new cosmological model explains the various aspects of the universe, including the origin, structure, evolution, expansion, background radiation, acceleration, anisotropy, quasars, gamma-ray bursts, nucleosynthesis, etc., and compares to the big bang model.

Zhang, Tianxi

2014-06-01

398

Harvard University: Ecology WWW Page  

NSDL National Science Digital Library

Hosted by Harvard University, this extensive list of hyperlinked, ecology-related resources and organizations was compiled by Anthony R. Brach (of the Harvard University Herbaria and Missouri Botanical Garden) for use by researchers, teachers, and students. Visitors can locate a wide variety of websites by browsing a 14-part alphabetical list, or by using a keyword search engine. Examples from the list include the Atlantic Cooperative Wildlife Ecology Research Network, the Center for Microbial Ecology at Michigan State University, Kansas State University Range Research, the Organization of Biological Field Stations, the U.S. National Agricultural Library, the Orthopterists' Society, and many more. The Ecology WWW Page has mirror sites in Canada, and at the University of Lyon, in France.

399

Entropy of viscous Universe models  

NASA Astrophysics Data System (ADS)

The cosmological event horizon entropy and the apparent horizon entropy of the ?CDM and the Bianchi type I Universe model with viscosity has been calculated numerically, and analytically in the large time limit. It is shown that for these Universe models the cosmological event horizon entropy increases with time and for large times it approaches a finite maximum value. The effect of viscosity upon the entropy is also studied and we have found that its role is to decrease the entropy. The bigger the viscosity coefficient is the less the entropy will be. Furthermore, the radiation entropy for the ?CDM Universe model with and without viscosity is investigated, and together with the cosmological event horizon entropy are used to examine the validity of the generalized second law of thermodynamics, which states that the total rate of change of entropy of the Universe is never negative, in this Universe model.

Mostafapoor, Nouraddin; Grøn, Øyvind

2014-01-01

400

The University for Older Adults: On Cuba's Universalization of the University  

ERIC Educational Resources Information Center

In this study we focus on a new program in Cuba, university studies for older adults or seniors. Specifically, we look at the Special Municipality of the Isla de la Juventud (Isle of Youth) in the context of the larger policy of "universalization of higher education." We provide information about Cuban perspectives on adult education, discuss the…

Rangel, Clara Lig Long; Proenza, Antonia Zenaida Sanchez

2006-01-01

401

Georgetown University and Hampton University Prostate Cancer Undergraduate Fellowship Program.  

National Technical Information Service (NTIS)

The first goal is to integrate the students from Hampton University (HU) into the Prostate Center through research, lectures, seminars, and clinical exposure. The second goal is to attract talented HU students into the graduate prostate cancer program at ...

A. Riegel N. Kenney

2012-01-01

402

Internationalization of universities: A university culture-based framework  

Microsoft Academic Search

This paper employs Sporn's(1996) organizational culture typology indeveloping a framework to assist in theunderstanding of the process ofinternationalization of universities. Both thecollegial process and executive authority areacknowledged as necessary to position theuniversity to bring about substantive,integrated, university-wideinternationalization in response to pervasiveand rapidly changing global environmentaldemands. Internationalization, viewed as anorganizational adaptation, requires itsarticulation by the leadership whilesimultaneously institutionalizing a strategicplanning process

Marvin Bartell

2003-01-01

403

The role of the university.  

PubMed Central

The role of the university, and particularly the health sciences university, in promoting positive health for women is twofold. First, the dissemination of existing knowledge raises awareness of special health needs and identifies gaps in the present research and literature base. Second, universities must project future needs of women in a rapidly changing society where such things as space travel may become commonplace. Reduction of the risk of debilitating disease and promotion of positive attitudes will enhance the quality of life for women. A logotherapeutic approach to choosing one's own attitudes toward life's challenges promotes successful coping in a dynamic society.

Starck, P L

1987-01-01

404

An Atlas of the Universe  

NSDL National Science Digital Library

Created by astrophysicist Richard Powell, An Atlas of the Universe is a Web site that allows visitors to see nine main maps of the universe, ranging from 12.5 light years to 15 billion light years from the sun. Each map then contains several other corresponding maps as well as descriptions of what is being shown. The maps give perspective to the vastness that lies beyond earth and explains, clearly and simply, things such as "where is the center of the universe" and "where did the big bang occur." Anyone interested in astronomy will enjoy the well organized and informative content.

Powell, Richard.

2000-01-01

405

Shaping the Future with Knowledge  

ERIC Educational Resources Information Center

This article is an edited version of an address by Abdul Waheed Khan to a Special Convocation at Jamia Hamdard University, New Delhi, on 4 January 2005. Professor Khan identifies major societal trends and likely future developments, with particular reference to India. He argues that knowledge will play a central role in shaping economic growth,…

Khan, Abdul Waheed

2005-01-01

406

University of Wisconsin (Multicenter Sites)  

Cancer.gov

Programs and Projects Bladder Cancer Clinical Trials - University of Wisconsin (Multicenter Sites) Agent: Soy Isoflavones (Genistein) Contact: Howard Bailey, MD DCP Program Director: Joe Tangrea, MPH, PhD The purpose of this study is to evaluate the potential

407

University of Colorado Cancer Center  

Cancer.gov

The University of Colorado Cancer Center was founded and became an NCI-designated cancer center in 1988. CU Cancer Center became a comprehensive cancer center in 1997. The Center is headquartered on the Anschutz Medical Campus in Aurora.

408

Recognizing Problems in State Universities.  

ERIC Educational Resources Information Center

Recognizing problems in state universities involves a critical analysis of both internal and external environments, as well as a simplification of the complex factors to help people understand the problems and marshall the forces necessary to address them. (MSE)

Ping, Charles J.

1986-01-01

409

Universal batteries - fact or fad  

SciTech Connect

The universal or simplified time of electric batteries that were introduced at the 48th IBMA Convention held in Chicago in Oct. 1985, are discussed. The design and performance of these batteries are described.

Sikora, J.I.

1986-04-01

410

The TR University Research Scorecard.  

ERIC Educational Resources Information Center

Presents a ranking of the top United States universities in their quest for intellectual property, commercial partners, and profits. Bases rankings on a consideration of patent numbers, patent quality, and licensing revenues. (WRM)

Zacks, Rebecca

2000-01-01

411

Neutrinos in the early universe  

NASA Astrophysics Data System (ADS)

The neutrinos from the Big Bang or the Cosmic Neutrino Background (CNB) carry precious information from the early epoch when our universe was only 1 s old. Although not yet directly detected, CNB may be revealed indirectly through cosmological observations due to neutrino important cosmological influence. We review the cosmological role of neutrinos and the cosmological constraints on neutrino characteristics. Namely, we discuss the impact of neutrinos in the early universe: the cosmic expansion, neutrino decoupling, the role of neutrinos in the primordial production of light elements, leptogenesis, etc. We briefly discuss the role of neutrino at later stages of the universe. Due to the considerable cosmological influence of neutrinos, cosmological bounds on neutrino properties from observational data exist. We review the cosmological constraints on the effective number of neutrino species, neutrino mass and mixing parameters, lepton number of the universe, presence of sterile neutrino, etc.

Kirilova, D.; Frere, J.-M.

2012-12-01

412

Trends in University Instructional Development.  

National Technical Information Service (NTIS)

A study was conducted of the instructional development programs of selected universities to identify any trends evident in these institutions, as well as unique programs. Site visits were made to 14 institutions in order to interview staff members and cli...

D. Bedient

1981-01-01

413

Scottish Universities Environmental Research Centre  

NSDL National Science Digital Library

This website describes the Scottish Universities Environmental Research Centre's work utilizing luminescence and radiocarbon dating. Through this expansive website, visitors can learn about the centre's many research projects including radioactive contamination, isotope geology, and environmental gamma spectrometry.

2008-03-12

414

Flinders University Electric Vehicle Project  

ERIC Educational Resources Information Center

Outlines the specifications and principles involved in the operation of an electric car developed by the Institute of Solar and Electochemical Energy Conversion at Flinders University in South Australia. (JR)

Atkinson, D. A.

1973-01-01

415

Third Quantization and Quantum Universes  

NASA Astrophysics Data System (ADS)

We study the third quantization of the Friedmann-Robertson-Walker cosmology with N-minimal massless fields. The third quantized Hamiltonian for the Wheeler-DeWitt equation in the minisuperspace consists of infinite number of intrinsic time-dependent, decoupled oscillators. The Hamiltonian has a pair of invariant operators for each universe with conserved momenta of the fields that play a role of the annihilation and the creation operators and that construct various quantum states for the universe. The closed universe exhibits an interesting feature of transitions from stable states to tachyonic states depending on the conserved momenta of the fields. In the classical forbidden unstable regime, the quantum states have googolplex growing position and conjugate momentum dispersions, which defy any measurements of the position of the universe.

Kim, Sang Pyo

2014-01-01

416

Goal Congruence in the University.  

ERIC Educational Resources Information Center

A questionnaire administered to 150 undergraduates and 90 faculty members compared their relative levels of goal congruence with those of their university. Programs in medicine, social sciences, and engineering were studied. (JW)

Neumann, Lily; Neumann, Yoram

1983-01-01

417

University of Colorado Environmental Center  

NSDL National Science Digital Library

Provides information on environmental issues to students, faculty, and staff; provides learning experiences for students; assesses the environmental performance of the university; and runs programs such as recycling and green campus initiative.

2007-05-17

418

How Big Is Our Universe?  

NSDL National Science Digital Library

This interactive resource from Harvard Smithsonian Center for Astrophysics uses images and activities to understand the scope and scale of our universe. Featured are technologies used by generations of explorers.

Foundation, Wgbh E.

2005-12-17

419

Windows to the Universe: Venus  

NSDL National Science Digital Library

This site, a joint effort between the University of Michigan and the University Corporation for Atmospheric Research (UCAR), focuses on the planet Venus. Some of the topics discussed include: the atmosphere, interior, and surface of Venus, recent discoveries, missions to Venus, and myths. The activities are easily sorted in beginning, intermediate and advanced lessons. There are also many pictures and additional websites for more information. A Spanish translation is also available.

2009-05-20

420

ICT DIFFUSION IN JORDANIAN UNIVERSITIES  

Microsoft Academic Search

The aims of this research were to explore and understand ICT acquisition in Jordanian universities using the qualitative case study approach through a variety of face-to-face semi-structured interviews, a documentation review and direct observation. Four Jordanian universities have been investigated, both public and private, which vary in size. The study used deductive analysis techniques to identify the key issues of

Hisham Othman Al-Mobaideen

2009-01-01

421

Properties of Universal Bosonic Tetramers  

NASA Astrophysics Data System (ADS)

The system of four identical bosons is studied using momentum-space equations for the four-particle transition operators. Positions, widths and existence limits of universal unstable tetramers are determined with high accuracy. Their effect on the atom-trimer and dimer-dimer scattering observables is discussed. We show that a universal shallow tetramer intersects the atom-trimer threshold twice leading to resonant effects in ultracold atom-trimer collisions.

Deltuva, A.

2013-05-01

422

Expanding Universe: slowdown or speedup?  

NASA Astrophysics Data System (ADS)

The kinematics and the dynamical interpretation of cosmological expansion are reviewed in a widely accessible manner with emphasis on the acceleration aspect. Virtually all the approaches that can in principle account for the accelerated expansion of the Universe are reviewed, including dark energy as an item in the energy budget of the Universe, modified Einstein equations, and, on a fundamentally new level, the use of the holographic principle.

Bolotin, Yuriy L.; Erokhin, Danylo A.; Lemets, Oleg A.

2012-09-01

423

British Telecom and Project Universe  

Microsoft Academic Search

Factors influencing the emergence of local area network (LANs) are covered along with British Telecom's involvement in Project Universe, an experiment to produce high-speed data links between several LANs in the United Kingdom with the Orbital Test Satellite (OTS). Other functions of Project Universe include measuring the network components performance, developing procedures for using the system for computer-computer and terminal-computer

G. H. L. Childs; G. Morrow

1983-01-01

424

Color preferences are not universal.  

PubMed

Claims of universality pervade color preference research. It has been argued that there are universal preferences for some colors over others (e.g., Eysenck, 1941), universal sex differences (e.g., Hurlbert & Ling, 2007), and universal mechanisms or dimensions that govern these preferences (e.g., Palmer & Schloss, 2010). However, there have been surprisingly few cross-cultural investigations of color preference and none from nonindustrialized societies that are relatively free from the common influence of global consumer culture. Here, we compare the color preferences of British adults to those of Himba adults who belong to a nonindustrialized culture in rural Namibia. British and Himba color preferences are found to share few characteristics, and Himba color preferences display none of the so-called "universal" patterns or sex differences. Several significant predictors of color preference are identified, such as cone-contrast between stimulus and background (Hurlbert & Ling, 2007), the valence of color-associated objects (Palmer & Schloss, 2010), and the colorfulness of the color. However, the relationship of these predictors to color preference was strikingly different for the two cultures. No one model of color preference is able to account for both British and Himba color preferences. We suggest that not only do patterns of color preference vary across individuals and groups but the underlying mechanisms and dimensions of color preference vary as well. The findings have implications for broader debate on the extent to which our perception and experience of color is culturally relative or universally constrained. PMID:23148465

Taylor, Chloe; Clifford, Alexandra; Franklin, Anna

2013-11-01

425

Strengths and challenges of the first prelicensure baccalaureate of science in nursing program in Pakistan.  

PubMed

With the increasing complexities of health care and the associated strong advocacy for baccalaureate of science in nursing (BScN) program as entry to practice in the developing countries, gradually, nurse leaders are moving in that direction. Although extensive information is available in the literature about the outcomes of prelicensure BScN programs in developed countries, little is known about the outcomes of such programs in developing countries. In this article, we report strengths and challenges of the first prelicensure BScN program in Pakistan. Using a focused ethnographic approach, data for this study were collected mainly through semistructured interviews of the graduates from the first five cohorts of the BScN program and their supervisors at Aga Khan University, Pakistan. Interviews were tape-recorded, transcribed verbatim, and content analyzed for explicit and implicit patterns of themes, meanings, and understanding about the program. Findings of this study affirmed the worth of BScN program for preparing competent nurses that can contribute to the development of nursing in Pakistan. However, various contextual issues and challenges in the nurses work environment have affected the utilization and retention of these graduates and hence the perceived outcome of the program. PMID:19616193

Gul, Raisa B; Paul, Pauline; Olson, Joanne K

2009-01-01

426

Prevalence of Acanthamoeba and superbugs in a clinical setting: coincidence or hyperparasitism?  

PubMed

Antibacterial strategies to eradicate superbugs from hospitals/nursing homes have had limited success, suggesting the need for employing innovative preventative measures and better understanding of the prevalence of microbial pathogens in close proximity of susceptible populations. A total of 120 environmental samples were collected from the Aga Khan University hospital. Amoebae were identified using morphological characteristics as well as PCR using genus-specific primers, while bacteria were identified using standard biochemical testing. Out of 120 samples tested, 52 (43.3 %) samples were positive for Acanthamoeba, while all 120 (100 %) samples were positive for bacteria. Following bacterial identification, samples showed mixed bacterial populations. Out of 120 samples, 76 (63.3 %) samples were positive for Bacillus spp., 64 (53.3 %) samples were positive for Corynebacterium spp., 32 (26.6 %) samples were positive for Staphylococcus spp., and 9 (7.5 %) samples were positive for Micrococcus spp. The antibiotic susceptibility showed that all bacterial isolates recovered were multiple drug-resistant. The current findings suggest that Acanthamoeba and bacteria coexist in a clinical environment. Given that Acanthamoeba can harbor bacteria, anti-amoebic approaches may represent a strategy in eradicating "superbugs" from the clinical setting in addition to the current measures. PMID:23180131

Siddiqui, Ruqaiyyah; Sagheer, Mehwish; Khan, Naveed Ahmed

2013-03-01

427

A Review of Comparison of Complications of Vaginal Hysterectomy with and without Concomitant Surgery for SUI: A 5 Years' Experience at a Tertiary Care Hospital of Pakistan  

PubMed Central

Objective. The study was performed to review the complications of surgery for POP with or without surgery for SUI. This included the need for second procedure two years after the primary surgery. Study Design. We conducted a retrospective cross-sectional comparative study at the Aga Khan University, Karachi, Pakistan. International Classification of Diseases, 9th revision, Clinical Modification (ICD-9-CM) was used to identify women who underwent vaginal hysterectomy with anterior/posterior repair alone and those with concomitant tension-free vaginal tape surgery for urodynamic stress incontinence. Results. The 28 cases of VH/repair combined with TVT were compared for complications with 430 cases of VH with repair alone. The basic characteristics like age, BMI, and degree of prolapse showed no statistical difference among two groups. The main comorbidities in both groups were hypertension, diabetes, and bronchial asthma. We observed no significant differences in intraoperative and postoperative complications except for cuff abscess, need for medical intervention, and readmission following discharge from hospital, which were higher in cases with vaginal hysterectomy with concomitant TVT. Conclusions. Vaginal hysterectomy is an efficient treatment for uterovaginal prolapse with a swift recovery, short length of hospital stay, and rare serious complications. The addition of surgery for USI does not appear to increase the morbidity.

Mohsin Rizvi, Raheela; Akhtar, Munnazza; Zuberi, Nadeem Faiyaz

2013-01-01

428

Spermatocytic seminoma: a 21 years' retrospective study in a tertiary care hospital in Pakistan  

PubMed Central

Background: Spermatocytic seminoma is a rare testicular germ cell tumor of old men. Accounting for 1-4% of all seminomas, spermatocytic seminomas have distinct pathogenesis, histological features, immunohistochemical profile and comparatively benign clinical behavior which distinguishes them from other germ cell tumors, especially classic seminoma. Aims: The purposes of our study were to assess the patient demographics, pathological features and to evaluate the utility of CD 117 immunostain along with other immunohistochemical stains in distinguishing Spermatocytic seminomas from classic seminomas. Material and methods: All spermatocytic seminomas patients diagnosed during 1992 to 2013 at Section of Histopathology, Department of Pathology and Microbiology, Aga Khan University hospital were included. Patient characteristics, histological details and follow-up data of few patients were available. CD 117 expression was determined by immunohistochemistry. Results: Total 16 cases of Spermatocytic seminomas were reviewed. Median age was 60 years and average tumor size was 10.4 cms. Microscopically, all of the 16 cases showed presence of edema and absence of lymphocytic infiltrate and intratubular germ cell neoplasia. Cytoplasmic glycogen was negative in all 13 cases, PLAP immunostain was negative in all 12 cases, while CD 117 was positive in all 8 cases, where applied. Conclusion: CD 117 is of limited utility in differentiating the spermatocytic seminoma from classic seminoma as it is expressed in significant number of spermatocytic seminomas. However, different histological features, PAS special stain and PLAP immunostain are significantly helpful in distinguishing these two entities.

Haroon, Saroona; Tariq, Muhammad Usman; Fatima, Saira; Kayani, Naila

2013-01-01

429

Coping Styles in Patients with Anxiety and Depression  

PubMed Central

Different individuals use different coping styles to cope with their problems. In patients with anxiety and/or depression, these have important implications. The primary objective of our study was to estimate the frequency of different coping mechanisms used by patients with symptoms of anxiety and depression. A descriptive, cross-sectional survey was conducted and patients with symptoms of anxiety and depression were identified using the Aga Khan University's Anxiety and Depression Scale (AKUADS). Coping styles were determined by using the 28-item Brief COPE inventory. We were able to recruit 162 people. The prevalence of anxiety and depression was found to be 34%. Females were more than 2 times likely to have anxiety and depression (P value = 0.024, OR = 2.62). In patients screening positive for AKUADS, “religion” was the most common coping mechanism identified. “Acceptance”, “Use of instrumental support”, and “Active coping” were other commonly used coping styles. Our findings suggest that religious coping is a common behavior in patients presenting with symptoms anxiety and depression in Pakistan. Knowledge of these coping styles is important in the care of such patients, as these coping methods can be identified and to some extent modified by the treating clinician/psychiatrist.

Kasi, Pashtoon Murtaza; Naqvi, Haider Ali; Afghan, Abaseen Khan; Khawar, Talha; Khan, Farooq Hasan; Khan, Umber Zaheer; Khuwaja, Urooj Bakht; Kiani, Jawad; Khan, Hadi Mohammad

2012-01-01

430

Prevalence of Suicidal Thoughts and Attempts Among Pregnant Pakistani Women  

PubMed Central

Objective To determine the prevalence of suicidal thoughts and attempts and to identify demographic variables and mental health correlates such as anxiety/depression and domestic violence among pregnant women in an urban community in Pakistan. Design Cross sectional data from a prospective cohort study are presented. Setting Women enrolled in an antenatal care clinic and followed to delivery in an urban area of Pakistan Population Cohort of pregnant women in Pakistan. Methods 1,369 pregnant women were enrolled and interviewed regarding various maternal characteristics and pregnancy outcomes, and were asked specific questions about suicidal thoughts and attempts and administered the Aga Khan University Anxiety Depression Scale at 20–26 weeks of gestation. Main outcome measures Suicidal thoughts and attempts, verbal, sexual or physical abuse. Results Overall, 148 of the 1369 (11%) women studied had considered suicide. Of these, 148 women, 67 (45%) had attempted suicide. Eighteen percent of the women were classified as having depression/anxiety, almost half (48%) reported experiencing verbal abuse and 20% reported physical/sexual abuse. Women who had anxiety/depression or had experienced verbal or physical/sexual abuse were significantly more likely to have had suicidal thoughts and attempts. Conclusions Women at greatest risk for having suicidal thoughts or a suicide attempt were those who were depressed/anxious and had experienced some form of domestic abuse. With the high prevalence of these conditions, attention should be given to the establishment of effective mental health treatment programs for pregnant women.

Asad, Nargis; Karmaliani, Rozina; Sullaiman, Nasreen; Bann, Carla M.; McClure, Elizabeth M.; Pasha, Omrana; Wright, Linda L.; Goldenberg, Robert L.

2014-01-01

431

Attitudes of nursing staff towards computerisation: a case of two hospitals in Nairobi, Kenya  

PubMed Central

Background The health sector is faced with constant changes as new approaches to tackle illnesses are unveiled through research. Information, communication and technology have greatly transformed healthcare practice the world over. Nursing is continually exposed to a variety of changes. Variables including age, educational level, years worked in nursing, computer knowledge and experience have been found to influence the attitudes of nurses towards computerisation. The purpose of the study was to determine the attitudes of nurses towards the use of computers and the factors that influence these attitudes. Methods This cross sectional descriptive study was conducted among staff nurses working at one public hospital (Kenyatta National Hospital, (KNH) and one private hospital (Aga Khan University Hospital (AKUH). A convenience sample of 200 nurses filled the questionnaires. Data was collected using the modified Nurses’ Attitudes Towards Computerisation (NATC) questionnaire. Results Nurses had a favorable attitude towards computerisation. Non-users had a significantly higher attitude score compared to the users (p?=?0.0274). Statistically significant associations were observed with age (p?=?0.039), level of education (p?=?0.025), duration of exposure to computers (p?=?0.025) and attitudes towards computerisation. Conclusion Generally, nurses have positive attitudes towards computerisation. This information is important for the planning and implementation of computerisation in the hospital as suggested in other studies.

2014-01-01

432

Readmission to paediatric intensive care unit: frequency, causes and outcome.  

PubMed

Readmission to intensive care units is considered to be an important quality indicator in ICU settings. This study was carried out at the paediatric intensive unit (PICU) and step down units of paediatric ward at the Aga Khan University Hospital, Karachi, Pakistan, to assess the frequency, common causes and outcome of patients readmitted in PICU within 48 hours after discharge from unit. During the study period, 1022 patients were admitted in PICU, out of which 24 (2.34%) patients required readmission. Male to female ratio was 1.2:1. The mean length of stay on paediatric floor before readmission was 24 hours. Fifteen (62%) patients were readmitted due to worsening of primary condition while 9 (38%) developed new problems. Respiratory problems accounted for 15 (62.5%) of readmissions, followed by cardiovascular 4 (16.5%) and sepsis related causes 3 (12.5%). The mortality rate of readmitted patients was 21% (5/24) in this study as compared to overall PICU mortality of 122 (11.93%). PMID:24613123

Khan, Muhammad Rehan; Maheshwari, Prem Kumar; Iram, Sumaira; Haque, Anwarul; Kayaalp, Cuneyt

2014-03-01

433

Assessment of Apparent Diffusion Coefficient Values as Predictor of Aggressiveness in Peripheral Zone Prostate Cancer: Comparison with Gleason Score  

PubMed Central

Purpose. To determine association between apparent diffusion coefficient value on diffusion-weighted imaging and Gleason score in patients with prostate cancer. Methods. This retrospective case series was conducted at Radiology Department of Aga Khan University between June 2009 and June 2011. 28 patients with biopsy-proven prostate cancer were included who underwent ultrasound guided sextant prostate biopsy and MRI. MRI images were analyzed on diagnostic console and regions of interest were drawn. Data were entered and analyzed on SPSS 20.0. ADC values were compared with Gleason score using one-way ANOVA test. Results. In 28 patients, 168 quadrants were biopsied and 106 quadrants were positive for malignancy. 89 lesions with proven malignancy showed diffusion restriction. The mean ADC value for disease with a Gleason score of 6 was 935?mm2/s (SD = 248.4?mm2/s); Gleason score of 7 was 837?mm2/s (SD = 208.5?mm2/s); Gleason score of 8 was 614?mm2/s (SD = 108?mm2/s); and Gleason score of 9 was 571?mm2/s (SD = 82?mm2/s). Inverse relationship was observed between Gleason score and mean ADC values. Conclusion. DWI and specifically quantitative ADC values may help differentiate between low-risk (Gleason score, 6), intermediate-risk (Gleason score, 7), and high-risk (Gleason score 8 and 9) prostate cancers, indirectly determining the aggressiveness of the disease.

Anwar, Shayan Sirat Maheen; Anwar Khan, Zahid; Shoaib Hamid, Rana; Haroon, Fahd; Sayani, Raza; Khattak, Yasir Jamil

2014-01-01

434

Coronary calcium scoring: are the results comparable to computed tomography coronary angiography for screening coronary artery disease in a South Asian population?  

PubMed Central

Background The need of having feasible screening tools like Coronary Calcium Scoring (CCS) and CT Coronary Artery (CTCA) for Coronary Artery Disease (CAD) has become paramount. We aimed to evaluate the accuracy of CCS in determining the degree of stenosis of coronary vessels as compared to that determined by CTCA in a South Asian population. Methods A retrospective study was conducted at The Aga Khan University Hospital. A total of 539 patient records were reviewed who had undergone CCS and CTCA between 2008 and 2010. Patient records were reviewed by comparing their CCS and CTCA results. Results About 268 out of 301 (89%) patients with a CCS of 0–9 were found to be free of stenosis on CTCA. On a CCS of 10–99, 110 out of 121 (91%) patients were either free of stenosis or had mild stenosis. About 66 out of 79 (84%) patients had moderate or severe stenosis with a calcium score of 100–400 while none of the patients were free of stenosis. Around 28 out of 38 (74%) patients with a CCS of more than 400 had severe stenosis. However, only 04 patients (11%) were found to have mild stenosis. Spearman’s rho revealed a correlation coefficient of 0.791 with a p-value of <0.001. Conclusion Our study reaffirms that in South Asian population, low CCS (<100) is associated with no or minimal stenosis while high CCS warrants further investigation; hence, making it a reliable tool for screening patients with CAD.

2013-01-01

435

Adequacy of postoperative pain relief after discharge.  

PubMed

Day care surgery has shown a remarkable development over the last two decades, comprising approximately 60-70% of all surgical procedures. Therefore major proportions of surgical patients are recovering at home and have little or no assessment of the adequacy of their pain relief. The aim of our audit was to compare suggested postoperative pain indicators with targets for best practice. This audit was done at the Aga Khan University Hospital day care unit for a period of three months. On the day of surgery patients having the contact numbers were informed about the telephone call 24 hrs after the surgery inquiring about their pain relief. Patients were shown and explained the visual analogue score from 0 to 10. The data was collected by one of the investigators on the day of surgery. We could assess 63.3% of day care patients. All patients were discharged with analgesia. Only three percent reported severe pain after 24 hrs which is according to the proposed standard for best practice that is < 5%. Sixty percent of patients had mild or no pain which is less than the proposed standard (> 85%) and 84.2% were satisfied which is almost borderline (> 85%) according to the standard of best practice. PMID:17867263

Ismail, Samina; Hussain, Aziza M

2007-07-01

436

Problem-Based Versus Conventional Curricula: Influence on Knowledge and Attitudes of Medical Students Towards Health Research  

PubMed Central

Background Medical education curricula in developing countries should emphasize training in health research. This study compares the knowledge and attitudes towards health research between undergraduate medical students undertaking Problem Based Learning (PBL) versus conventional Lecture Based Learning (LBL). Methods Two groups comprising 66 (LBL) and 84 (PBL) 4th and 5th year students from the medical college of Aga Khan University were administered a structured and validated questionnaire. Knowledge and attitudes of the two groups were recorded on a scale (graduated in percentages) and compared for statistical difference. Results PBL students scored 54.0% while LBL students scored 55.5% on the knowledge scale [p-value; 0.63]. On the attitudes scale, PBL students scored 75.5% against a 66.7% score of LBL students [p-value; 0.021]. A higher proportion of PBL students (89%) had participated in research activities compared to LBL students (74%) and thus felt more confident in conducting research and writing a scientific paper. Conclusion The PBL students showed slightly healthier attitudes towards health research compared to LBL students. Both groups demonstrated a similar level of knowledge about health research. The positive impact of the PBL curriculum on attitudes of medical students towards health research may help in improving research output from developing countries in future.

Khan, Hassan; Taqui, Ather M.; Khawaja, Muhammad Rizwanulhaq; Fatmi, Zafar

2007-01-01

437

Knowledge and attitudes about health research amongst a group of Pakistani medical students  

PubMed Central

Background Health research training is an important part of medical education. This study was conducted to assess the level of knowledge and attitudes regarding health research in a group of Pakistani medical students at Aga Khan University, Karachi. Methods It was a cross-sectional pilot study conducted among a group of Pakistani medical students. Through stratified random sampling, a pre-tested, structured and validated questionnaire was administered to 220 medical students. Knowledge and attitudes were recorded on a scale (graduated in percentages). Results Mean scores of students were 49.0% on knowledge scale and 53.7% on attitude scale. Both knowledge and attitudes improved significantly with increasing years of study in medical college [Regression coefficient 4.10 (p-value; 0.019) and 6.67 (p-value; < 0.001) for knowledge and attitudes, respectively]. Conclusion Medical students demonstrate moderate level of knowledge and attitude towards health research. Intensive training in this regard is associated with significant improvement in knowledge and attitudes of students towards health research.

Khan, Hassan; Khawaja, Muhammad RizwanulHaq; Waheed, Abdul; Rauf, Muhammad Ameen; Fatmi, Zafar

2006-01-01

438

Association of airborne Aspergillus with asthma exacerbation in Southern Pakistan  

PubMed Central

Background Exposure to airborne fungi has been related with exacerbation of asthma in adults and children leading to increased outpatient, emergency room visits, and hospitalizations. Hypersensitivity to these airborne fungi may be an important initial predisposing factor in the development and exacerbation of asthma. Objective This study was conducted to determine an association between fungal types and spore concentrations with the risk of asthma exacerbation in adults. Methods This cross-sectional study was conducted from May 2008 to August 2009 at the Aga Khan University Hospital Karachi, Pakistan. All adult (age?16 years) patients presenting to the hospital with acute asthma exacerbation were enrolled after informed consent. A home survey was conducted for each patient to assess their environmental characteristics. Indoor air samples were also obtained from the patient's home to determine the type and spore concentration of fungi within the week of their enrollment in the study. Results Three hundred and ninety-one patients with an acute asthma exacerbation were enrolled during the study period. The mean age of participants was 46 years (standard deviation, ±18 years) and 247 (63.2%) were females. A trend of higher asthma enrollment associated with higher Aspergillus concentrations was found in two consecutive summers. A total of nineteen types of fungi were found in air samples. Aspergillus spp. was the most frequently isolated fungus with acute asthma exacerbation. Conclusion An association of higher concentration of indoor Aspergillus spp. with asthma exacerbation in adults was observed in this study.

Zubairi, Ali Bin Sarwar; Azam, Iqbal; Awan, Safia; Zafar, Afia

2014-01-01

439

Lessons learnt: pilot of mid rotation feedback.  

PubMed

The Aga Khan University went through an external review of its undergraduate medical education in December 2006 based on the accreditation guidelines by the Liaison Committee for Medical Education (LCME). The external review panel comprised of international and local experts which developed a comprehensive report on its findings with regards to LCME standards of accreditation. In the final report of the external review one of the areas highlighted as not meeting the standards of LCME was documentation of formal mid-rotation feedback of the students by the faculty in AKU clerkships through years 3 to 5. A four hour faculty development workshop was organized by the Department of Medicine in collaboration with the Department for Educational Development to emphasize the role of feedback in improving student's performance, improve faculty's skill in giving effective feedback, and to come up with recommendations for documenting the formative feedback process. A mid-rotation feedback form was designed to facilitate the documentation process. Faculty members who participated in the workshop took a lead in piloting this form and reported the areas that could be further improved upon to facilitate the process of timely and effective feedback. PMID:23286634

Zehra, Tabassum; Sadaf, Shazia

2013-01-01

440

How we developed a bioethics theme in an undergraduate medical curriculum.  

PubMed

The 5-year undergraduate medical curriculum at Aga Khan University integrates basic sciences with clinical and community health sciences. Multimodal strategies of teaching and learning, with an emphasis on problem-based learning, are utilized to equip students with knowledge, skills, behaviours, attitudes and values necessary for a high-calibre medical graduate. Bioethics teaching was introduced in the medical curriculum in 1988 and has since undergone several changes. In 2009, a multidisciplinary voluntary group began review of undergraduate bioethics teaching and invested over 350 man-hours in curricular revision. This involved formulating terminal objectives, delineating specific objectives and identifying instructional methodologies and assessment strategies appropriate for the contents of each objective. Innovative strategies were specially devised to work within the time constraints of the existing medical curriculum and importantly, to increase student interest and engagement. The new bioethics curriculum is designed to be comprehensive and robust, and strives to develop graduates who, in addition to being technically skilled and competent, are well-versed in the history and philosophy of ethics and bioethics and are ethical in their thinking and practice, especially in the context of a developing country like Pakistan where health indicators are among the worst in the region, and clinical practices are not effectively regulated to ensure quality of care. PMID:22225434

Ghias, Kulsoom; Ali, Syeda Kauser; Khan, Kausar S; Khan, Robyna; Khan, Murad M; Farooqui, Arshi; Nayani, Parvez

2011-01-01

441

Rapidly progressive cryptogenic organising pneumonia presenting as a lung mass  

PubMed Central

A very rare case of a rapidly progressive variant of cryptogenic organising pneumonia (COP) presenting as a focal mass-like lesion with compression of the large airways leading to respiratory failure is described. A 60-year-old lady presented to the Aga Khan University Hospital Emergency Department in hypoxaemic respiratory failure with a 6-day history of dyspnoea, productive cough and fever. Chest x ray showed a right upper lobe mass-like lesion compressing the large airways and right pleural effusion. She deteriorated in the Emergency Department and was intubated due to worsening hypoxaemic respiratory failure. The pleural fluid and bronchoscopic specimens were negative on microbiological and cytological examination. CT-guided right lung biopsy revealed chronic non-specific inflammation without granuloma and malignancy. COP was diagnosed on video-assisted thoracoscopic (VATS) lung biopsy. She was successfully treated with high dose steroids and discharged in a stable condition; her 3-month follow-up chest x rays showed complete resolution of the lung lesion with some residual fibrosis.

Akram, Saeed; Irfan, Muhammad; Aftab, Kanwal

2009-01-01

442

Rapidly progressive cryptogenic organising pneumonia presenting as a lung mass.  

PubMed

A very rare case of a rapidly progressive variant of cryptogenic organising pneumonia (COP) presenting as a focal mass-like lesion with compression of the large airways leading to respiratory failure is described. A 60-year-old lady presented to the Aga Khan University Hospital Emergency Department in hypoxaemic respiratory failure with a 6-day history of dyspnoea, productive cough and fever. Chest x ray showed a right upper lobe mass-like lesion compressing the large airways and right pleural effusion. She deteriorated in the Emergency Department and was intubated due to worsening hypoxaemic respiratory failure. The pleural fluid and bronchoscopic specimens were negative on microbiological and cytological examination. CT-guided right lung biopsy revealed chronic non-specific inflammation without granuloma and malignancy. COP was diagnosed on video-assisted thoracoscopic (VATS) lung biopsy. She was successfully treated with high dose steroids and discharged in a stable condition; her 3-month follow-up chest x rays showed complete resolution of the lung lesion with some residual fibrosis. PMID:21686529

Akram, Saeed; Irfan, Muhammad; Aftab, Kanwal

2009-01-01

443

Insights: Should Universities Do Defense Research?  

ERIC Educational Resources Information Center

Discusses whether universities should do research for the Department of Defense. Principle arguments against universities doing defense research, benefits of grants, and problems that universities face in dealing with federal agencies are addressed. (BC)

Grace, Donald J.

1984-01-01

444

34 CFR 300.44 - Universal design.  

Code of Federal Regulations, 2013 CFR

...2013-07-01 false Universal design. 300.44 Section 300.44 Education Regulations of the Offices of the Department of Education (Continued...This Part § 300.44 Universal design. Universal design has...

2013-07-01

445

University Program Management Information System: NASA's University Program Active Projects  

NASA Technical Reports Server (NTRS)

As basic policy, NASA believes that colleges and universities should be encouraged to participate in the nation's space and aeronautics program to the maximum extent practicable. Indeed, universities are considered as partners with government and industry in the nation's aerospace program. NASA's objective is to have them bring their scientific, engineering, and social research competence to bear on aerospace problems and on the broader social, economic, and international implications of NASA's technical and scientific programs. It is expected that, in so doing, universities will strengthen both their research and their educational capabilities to contribute more effectively to the national well being. This annual report is one means of documenting the NASA-university relationship, frequently denoted, collectively, as NASA's University Program. This report is consistent with agency accounting records, as the data is obtained from NASA's Financial and Contractual Status (FACS) System, operated by the Financial Management Division and the Procurement Office. However, in accordance with interagency agreements, the orientation differs from that required for financial or procurement purposes. Any apparent discrepancies between this report and other NASA procurement or financial reports stem from the selection criteria for the data. This report was prepared by the Office of Education/N.

Gans, Gary (Technical Monitor)

2003-01-01

446

Traveling in the Computational Universe  

NASA Astrophysics Data System (ADS)

The concept of travel, specifically ``space travel'', cannot be separated from the concept of ``Universe'', because the Universe is where space and time acquire their significance, along with their properties, possibilities and limitations. Mankind is strongly focused on a four dimensional Universe, with its Lorentzian or Euclidean interpretation. It is still a puzzle about the fact that the four dimensional Universe seems to have a beginning, therefore there seem to be boundaries in space-time and we would like to know the nature of those boundaries and its endpoints. To better understand the deep significance of our best physical theories it could be interesting to compare our Universe with its models. It may happen that the differences between the model and reality can be made indistinguishable, to the point that it may seem acceptable to consider reality as a gigantic program, a ``mother computation'' running in a Universal Computer. The computational interpretation of reality is here adopted for introducing concepts that are common in computer science, they may offer a new insight. For instance, code and memory usage optimization techniques are common in computer science because they improve the performances at a reduced hardware cost. According to the concepts discussed in this paper, the possibility of recognizing the effects of optimization rules in a physical reality will allow us to discriminate if our reality is fundamental or the result of a large computation. Conversely, code and memory optimization has side effects, if it is present in our Universe it can produce many interesting phenomena, some seem readily recognizable, others only wait to be discovered. The science of Space Travel appears suitable for the experimental test of these conceptualizations.

Fontana, Giorgio

2006-01-01

447

University Program Management Information System  

NASA Technical Reports Server (NTRS)

As basic policy, NASA believes that colleges and universities should be encouraged to participate in the nation's space and aeronautics program to the maximum extent practicable. Indeed, universities are considered as partners with government and industry in the nation's aerospace program. NASA's objective is to have them bring their scientific, engineering, and social research competence to bear on aerospace problems and on the broader social, economic, and international implications of NASA's technical and scientific programs. It is expected that, in so doing, universities will strengthen both their research and their educational capabilities to contribute more effectively to the national well-being. This annual report is one means of documenting the NASA-university relationship, frequently denoted, collectively, as NASA's University Program. This report is consistent with agency accounting records, as the data is obtained from NASA's Financial and Contractual Status (FACS) System, operated by the Financial Management Division and the Procurement Office. However, in accordance with interagency agreements, the orientation differs from that required for financial or procurement purposes. Any apparent discrepancies between this report and other NASA procurement or financial reports stem from the selection criteria for the data. This report was prepared by the Education Division/FE, Office of Human Resources and Education.

Gans, Gary (Technical Monitor)

2002-01-01

448

University Program Management Information System  

NASA Technical Reports Server (NTRS)

As basic policy, NASA believes that colleges and universities should be encouraged to participate in the nation's space and aeronautics program to the maximum extent practicable. Indeed, universities are considered as partners with government and industry in the nation's aerospace program. NASA's objective is to have them bring their scientific, engineering, and social research competence to bear on aerospace problems and on the broader social, economic, and international implications of NASA's technical and scientific programs. It is expected that, in so doing, universities will strengthen both their research and their educational capabilities to contribute more effectively to the national well being. This annual report is one means of documenting the NASA-university relationship, frequently denoted, collectively, as NASA's University Program. This report is consistent with agency accounting records, as the data is obtained from NASA's Financial and Contractual Status (FACS) System, operated by the Financial Management Division and the Procurement Office. However, in accordance with interagency agreements, the orientation differs from that required for financial or procurement purposes. Any apparent discrepancies between this report and other NASA procurement or financial reports stem from the selection criteria for the data.

Gans, Gary (Technical Monitor)

2004-01-01

449

Loyola University Chicago: Digital Yearbooks  

NSDL National Science Digital Library

The story of Loyola University in Chicago can be told via its alumni, its campus, and of course, its many well-known academic programs. But what of the stories that can be found within the pages of the University's many yearbooks? Today such large volumes might seem a bit passe, but for decades they contained the stories, aspirations, and accomplishments of the student body. This digitization project, undertaken by the Loyola University Archives and the CARLI Book Digitization Program, contains several different types of class yearbooks. "The Loyolan" was the official yearbook of the university, "Towers" was the College of Commerce's yearbook, "Dentos" served as the yearbook of record for the School of Dentistry, and the School of Medicine broke form by changing its yearbook title from year to year. Visitors can scan through each document at their leisure, so it's fun to pick a random volume and just starting exploring. Finally, there are also some Miscellaneous Volumes, such as copies of the Loyola University Magazine from the years 1901 to 1921.

2012-09-14

450

University Program Management Information System  

NASA Technical Reports Server (NTRS)

As basic policy, NASA believes that colleges and universities should be encouraged to participate in the nation's space and aeronautics program to the maximum extent practicable. Indeed, universities are considered as partners with government and industry in the nation's aerospace program. NASA' objective is to have them bring their scientific, engineering, and social research competence to bear on aerospace problems and on the broader social, economic, and international implications of NASA's technical and scientific programs. It is expected that, in so doing, universities will strengthen both their research and their educational capabilities to contribute more effectively to the national well being. This annual report is one means of documenting the NASA-university relationship, frequently denoted, collectively, as NASA's University Program. This report is consistent with agency accounting records, as the data is obtained from NASA's Financial and Contractual Status (FACS) System, operated by the Financial Management Division and the Procurement Office. However, in accordance with interagency agreements, the orientation differs from that required for financial or procurement purposes. Any apparent discrepancies between this report and other NASA procurement or financial reports stem from the selection criteria for the data.

2001-01-01

451

Agreement between Oakland University and the Oakland University Chapter, American Association of University Professors, 1985-88.  

ERIC Educational Resources Information Center

The collective bargaining agreement between Oakland University and the University's chapter (370 members) of the American Association of University Professors (AAUP) covering the period 1985-1988 is presented. Items covered in the agreement include: definitions and recognition of AAUP, academic titles, AAUP rights, university management,…

American Association of Univ. Professors, Washington, DC.

452

A View of the Universe  

NASA Astrophysics Data System (ADS)

This lavishly illustrated photographic exploration of the universe will delight everyone intrigued by the night sky. This is the finest collection of color photographs of star clusters, galaxies, and nebulae ever published. Working with the world's most sophisticated telescopes and his own revolutionary techniques, world renowned astronomical photographer David Malin captures distant worlds and phenomena in their astonishing natural colors. These unique pictures are accompanied by nontechnical captions and a lucid text accessible and inspiring to the general reader as well as to astronomers and photographers. The foremost astronomical photographer in the world, David Malin is the discoverer of an enigmatic galaxy now known as Malin-1 and the coauthor of Colours of the Stars and Catalogue of the Universe, both published by Cambridge University Press. His photographs have appeared in locations as diverse as Australian postage stamps and the cover of Life magazine.

Malin, David F.

1993-11-01

453

IAU: International Association of Universities  

NSDL National Science Digital Library

Founded in 1950 under the auspices of UNESCO, the International Association of Universities is a worldwide association of universities. In addition to placing a premium on international cooperation between member institutions and organizations, the IAU is dedicated "to the development of the long-term vision of the university's role and responsibilities in society" and "to promoting access to higher education and equal opportunities for students." Visitors new to the site will want to read through the organization's mission statement available from the homepage, along with their constitution, and activities reports for the period from 1995 to 2000. From the homepage visitors may also look through the IAU's information center, and learn about its thematic priorities, which include sustainable development, globalization, and intercultural dialogue. Finally, visitors may also read about upcoming conferences and meetings dealing with higher education and peruse recent publications such as "Constructing Knowledge Societies: New Challenges for Tertiary Education".

454

University of Alabama Digital Collections  

NSDL National Science Digital Library

For devotees of Alabama history (and even for those who aren't), the University of Alabama's Digital Collections are a real find. Currently, the site offers up more than a dozen digital collections, including The University of Alabama Encyclopedia and the Hugh Davis Farm Journals. The Hugh Davis Farm Journals are quite a find, as they offer an insightful portrait of a 19th century attorney and plantation owner in Marion, Alabama. Here visitors can read his farm journals, which contain records regarding slaves and accounts of life on the plantation. The other collections offered here include the Marjorie L. Smith Slide Collection of images related to cotton agriculture in the 1960s and selected issues of the University of Alabama Yearbook, which is titled "The Corolla".

455

Tuning universality far from equilibrium  

NASA Astrophysics Data System (ADS)

Possible universal dynamics of a many-body system far from thermal equilibrium are explored. A focus is set on meta-stable non-thermal states exhibiting critical properties such as self-similarity and independence of the details of how the respective state has been reached. It is proposed that universal dynamics far from equilibrium can be tuned to exhibit a dynamical transition where these critical properties change qualitatively. This is demonstrated for the case of a superfluid two-component Bose gas exhibiting different types of long-lived but non-thermal critical order. Scaling exponents controlled by the ratio of experimentally tuneable coupling parameters offer themselves as natural smoking guns. The results shed light on the wealth of universal phenomena expected to exist in the far-from-equilibrium realm.

Karl, Markus; Nowak, Boris; Gasenzer, Thomas

2013-08-01

456

The topology of fractal universes  

NASA Technical Reports Server (NTRS)

It is shown how the genus per unit volume of isodensity surfaces in general nonlinear universes is related to the entire hierarchy of correlation functions. The general relation between the correlation function, the probability distribution of densities at several points, and the probability distributions of density and its derivatives at a point are given. Formulas for the area and genus per unit volume of isodensity surfaces are presented. As an application, after first reviewing the case of Gaussian fields, analytic results are reported for one particular example of a thoroughly nonlinear universe, Mandelbrot's Rayleigh-Levy random-walk fractal. While this fractal bears little resemblance to the real universe of galaxies, it possesses the singular and theoretically interesting property that in it cluster-cluster correlations are identically equal to galaxy-galaxy correlations to all orders.

Hamilton, A. J. S.

1988-01-01

457

University District Oral History Project  

NSDL National Science Digital Library

The Seattle Public Library has been embarking on some ambitious projects as of late and this oral history initiative is one of the best. Working with students in the University of Washington Museology Graduate Program, a number of oral history interviews were conducted with residents, businesspeople, and others in the city's University District. All of the interviews were conducted in 2011 and each interviewee provided a unique viewpoint of life on "The Ave,â which is shorthand for the main street that runs north and south through the neighborhood. There are twelve interviews here, including one with a University of Washington student, a Seattle Police Department officer, and the director of a teen outreach group.

2011-01-01

458

Supernovae and the Accelerating Universe  

NASA Technical Reports Server (NTRS)

Orbiting high above the turbulence of the earth's atmosphere, the Hubble Space Telescope (HST) has provided breathtaking views of astronomical objects never before seen in such detail. The steady diffraction-limited images allow this medium-size telescope to reach faint galaxies of 30th stellar magnitude. Some of these galaxies are seen as early as 2 billion years after the Big Bang in a 15 billion year old universe. Up until recently, astronomers assumed that all of the laws of physics and astronomy applied back then as they do today. Now, using the discovery that certain supernovae are standard candles, astronomers have found that the universe is expanding faster today than it was back then: the universe is accelerating in its expansion.

Wood, H. John

2003-01-01

459

Universe Awareness For Young Children  

NASA Astrophysics Data System (ADS)

Universe Awareness (UNAWE) is an international programme that will expose economically disadvantaged young children aged between 4 and 10 years to the inspirational aspects of modern astronomy. The programme is motivated by the premise that access to simple knowledge about the Universe is a basic birth right of everybody. These formative ages are crucial in the development of a human value system. This is also the age range in which children can learn to develop a 'feeling' for the vastness of the Universe. Exposing young children to such material is likely to broaden their minds and stimulate their world-view. The goals of Universe Awareness are in accordance with two of the United Nations Millennium goals, endorsed by all 191 UN member states, namely (i) the achievement of universal primary education and (ii) the promotion of gender equality in schools. We propose to commence Universe Awareness with a pilot project that will target disadvantaged regions in about 4 European countries (possibly Spain, France, Germany and The Netherlands) and several non-EU countries (possibly Chile, Colombia, India, Tunisia, South Africa and Venezuela). There will be two distinct elements in the development of the UNAWE program: (i) Creation and production of suitable UNAWE material and delivery techniques, (ii) Training of educators who will coordinate UNAWE in each of the target countries. In addition to the programme, an international network of astronomy outreach will be organised. We present the first results of a pilot project developed in Venezuela, where 670 children from different social environments, their teachers and members of an indigenous tribe called Ye´kuana from the Amazon region took part in a wonderful astronomical and cultural exchange that is now being promoted by the Venezuelan ministry of Education at the national level.

Scorza, C.; Miley, G.; Ödman, C.; Madsen, C.

2006-08-01

460

Dark matter in the universe  

NASA Technical Reports Server (NTRS)

What is the quantity and composition of material in the Universe? This is one of the most fundamental questions we can ask about the Universe, and its answer bears on a number of important issues including the formation of structure in the Universe, and the ultimate fate and the earliest history of the Universe. Moreover, answering this question could lead to the discovery of new particles, as well as shedding light on the nature of the fundamental interactions. At present, only a partial answer is at hand. Most of the radiation in the Universe does not give off detectable radiation; it is dark. The dark matter associated with bright galaxies contributes somewhere between 10 and 30 percent of the critical density; baryonic matter contributes between 1.1 and 12 percent of the critical. The case for the spatially flat, Einstein-de Sitter model is supported by three compelling theoretical arguments - structure formation, the temporal Copernican principle, and inflation - and by some observational data. If Omega is indeed unity, or even just significantly greater than 0.1, then there is a strong case for a Universe comprised of nonbaryonic matter. There are three well motivated particle dark matter candidates: an axion of mass 10 (exp -6) eV to 10 (exp -4) eV; a neutrino of mass 10 GeV to about 3 TeV; or a neutrino of mass 20 eV to 90 eV. All three possibilities can be tested by experiments that are either planned or are underway.

Turner, Michael S.

1991-01-01

461

Dark matter in the Universe  

SciTech Connect

What is the quantity and composition of material in the universe This is one of the most fundamental questions we can ask about the universe, and its answer bears on a number of important issues including the formation of structure in the universe, and the ultimate fate and the earliest history of the universe. Moreover, answering this question could lead to the discovery of new particles, as well as shedding light on the nature of the fundamental interactions. At present, only a partial answer is at hand: most of the material in the universe does not give off detectable radiation, i.e., is dark;'' the dark matter associated with bright galaxies contributes somewhere between 10% and 30% of the critical density (by comparison luminous matter contributes less than 1%); baryonic matter contributes between 1.1% and 12% of critical. The case for the spatially-flat, Einstein-de Sitter model is supported by three compelling theoretical arguments -- structure formation, the temporal Copernican principle, and inflation -- and by some observational data. If {Omega} is indeed unity--or even just significantly greater than 0.1--then there is a strong case for a universe comprised of nonbaryonic matter. There are three well motivated particle dark-matter candidates: an axion of mass 10{sup {minus}6} eV to 10{sup {minus}4} eV; a neutralino of mass 10 GeV to about 3 TeV; or a neutrino of mass 20 eV to 90 eV. All three possibilities can be tested by experiments that are either being planned or are underway. 71 refs., 6 figs.

Turner, M.S. (Fermi National Accelerator Lab., Batavia, IL (USA) Chicago Univ., IL (USA). Enrico Fermi Inst.)

1991-03-01

462

University Autonomy in a Third-Generation University in Nigeria  

ERIC Educational Resources Information Center

The study examined the level of autonomy in one of Nigeria's third-generation universities. Findings indicated that generally government intervention was rated as not unreasonable. Specifically, the study discovered that government never exerts any influence on the appointment, discipline, tenure and dismissal of staff; entry standards and pass…

Arikewuyo, M. Olalekan; Ilusanya, Gboyega

2010-01-01

463

University of Southern California: College and University Systems Environment.  

ERIC Educational Resources Information Center

USC reorganized computing administratively in early 1984. The university's financial accounting system was developed to provide better information to central administration, deans, and directors. USC is currently negotiating to install a digital telephone switch to handle voice and data communications on campus. (MLW)

CAUSE/EFFECT, 1984

1984-01-01

464

The Creation of the Universe  

SciTech Connect

Gravity and quantum theory cause the Universe to be spontaneously created out of nothing. Most of these universes are quite unlike our own but we select out a subset that are compatible with what we observe. Please note that Professor Hawking's talk will be broadcasted in the following rooms : TH auditorium (4-3-006) TE auditorium (30-7-018) 40-S2-A01 40-S2-C01 BE Meyrin (6-2-024) BE Prévessin (864-1-D02)

None

2009-09-09

465

The Creation of the Universe  

ScienceCinema

Gravity and quantum theory cause the Universe to be spontaneously created out of nothing. Most of these universes are quite unlike our own but we select out a subset that are compatible with what we observe. Please note that Professor Hawking's talk will be broadcasted in the following rooms : TH auditorium (4-3-006) TE auditorium (30-7-018) 40-S2-A01 40-S2-C01 BE Meyrin (6-2-024) BE Prévessin (864-1-D02)

None

2011-10-06

466

Interpreting the universal phylogenetic tree.  

PubMed

The universal phylogenetic tree not only spans all extant life, but its root and earliest branchings represent stages in the evolutionary process before modern cell types had come into being. The evolution of the cell is an interplay between vertically derived and horizontally acquired variation. Primitive cellular entities were necessarily simpler and more modular in design than are modern cells. Consequently, horizontal gene transfer early on was pervasive, dominating the evolutionary dynamic. The root of the universal phylogenetic tree represents the first stage in cellular evolution when the evolving cell became sufficiently integrated and stable to the erosive effects of horizontal gene transfer that true organismal lineages could exist. PMID:10900003

Woese, C R

2000-07-18

467

How Did the Universe Begin?  

NSDL National Science Digital Library

This fun Web site is part of OLogy, where kids can collect virtual trading cards and create projects with them. Here, they learn about the work of Edwin Hubble and how his work contributed to the formation of the Big Bang Theory. The site begins by briefly explaining Hubble's discoveries. It then explains how Belgian astronomer Georges Lema used Hubble's discovery to answer the question of the universe's origin with what later became known as the Big Bang Theory. A link to "The Big Bang" explains the theory in five kid-friendly steps. The site also includes a link to a "Create Your Own Timeline of the Universe" activity.

468

University students' satisfaction of studying in e-university: Hamdan Bin Mohammed e-University case study  

Microsoft Academic Search

E-learning is a new trend in vibrant educational environment. The study method is unique as it allows learners to get education interactively through extensive use of information technology and web based technology. Many universities such as University of Phoenix and Devry University have pioneered in e-learning education. Hamdan Bin Mohammad e-University (HBMeU) was launched as e-university in 2002 and offer

Abdullah AlSagheer Hamdan Bin

2011-01-01

469

The Idea of a Catholic University.  

ERIC Educational Resources Information Center

This book considers the Catholic university in relation to religious truth and academic freedom. The book offers a practical consideration of how the ideal Catholic university might be expressed. The chapters are: (1) "Biblical Foundations of the Modern University"; (2) "Science: The Truth of Universities"; (3) "Art: Signatured Truth"; (4)…

O'Brien, George Dennis

470

University of Wisconsin Carbone Cancer Center  

Cancer.gov

In 1940, the McArdle Laboratory for Cancer Research was founded at the University of Wisconsin (UW) at Madison. In 1973, the University started the University of Wisconsin Clinical Cancer Center. They were combined as the University of Wisconsin Comprehensive Cancer Center and received their NCI designation in 1973. The Center was renamed the UW Carbone Cancer Center (UWCCC) in 2006.

471

The American University: Problems, Prospects, and Trends.  

ERIC Educational Resources Information Center

Issues and trends relating to science and technology, liberal education and the aims of the university, and academic governance in U.S. universities are considered in 10 essays. Questions are raised concerning: whether universities should be linked to industrial research projects, how America's universities should respond to the wave of computer…

Blits, Jan H., Ed.

472

Beyond Inflation: A Cyclic Universe Scenario  

NSDL National Science Digital Library

Inflation is typically seen in current Big Bang models of the universe, however this paper proposes a cyclic universe without high energy inflation. It proposes that the universe lived in a long attractor state that is determined by the laws of physics. The universe is made homogenouse and flat and scale-invariant adiabatic pertubations are generated through an epoch of low energy acceleration.

Turok, Neil; Steinhardt, Paul

2005-04-26

473

Regulations and Universities: An Argument for Compliance.  

ERIC Educational Resources Information Center

The president of Towson State University (Maryland) encourages college administrators to comply with both the spirit and the letter of federal regulations, because (1) universities are similar to business corporations; (2) the university community has been an active supporter of many regulations; and (3) universities should model responsible…

Smith, Hoke L.

1992-01-01

474

Our Place in the Spongy Universe  

NSDL National Science Digital Library

Physicist James Trefil once described our universe as "The Spongy Universe," comparing large-scale cosmic structures to the structure of a sponge. Because the sponge is such a good model for the universe, the authors modified this "Spongy Universe" activity for use with visually impaired students and pilot tested it at the Colorado School for the Deaf and the Blind.

Wentworth, Benning L.; Bogner, Donna; Yanow, Gil; Ristvey, John; Wiens, Roger

2006-03-01

475

Summer Session Organizational Models at Canadian Universities  

ERIC Educational Resources Information Center

The issue of summer session organizational models continues to be of interest to summer session deans/directors and university administrators. The University of Victoria surveyed Canadian universities on this issue in 1994. Based on a similar survey done in 2009, this paper updates the status of Canadian university summer session organizational…

Kops, Bill

2010-01-01

476

Technology Transfer at the University of Washington.  

ERIC Educational Resources Information Center

A recently-implemented university technology transfer program is described and discussed, including the context, elements required for technology transfer, federal patent policy, university policies and organization, the operating model, early results, university-industry interactions, and anticipated benefits to the university and industry. A…

Baldwin, Donald R.

1986-01-01

477

Yale University Press: Disseminating "Lux et Veritas"?  

ERIC Educational Resources Information Center

America's university presses are situated within a network of over one hundred universities, learned societies, and scholarly associations. According to a pamphlet put out by the American Association of University Presses, these presses "make available to the broader public the full range and value of research generated by university faculty."…

Parrott, John B.

2010-01-01

478

The Managerialist University: An Economic Interpretation  

ERIC Educational Resources Information Center

The rise of the managerialist university, in terms of a shift towards supposed corporate forms of governance in universities, associated also with greater competition between universities, has been the subject of considerable controversy. Dissent with respect to these developments has commonly appealed to the notion of the university as a special…

Aspromourgos, Tony

2012-01-01

479

Measuring the topology of the universe  

PubMed Central

Observations of microwave background fluctuations can yield information not only about the geometry of the universe but potentially about the topology of the universe. If the universe is negatively curved, then the characteristic scale for the topology of the universe is the curvature radius. Thus, if we are seeing the effects of the geometry of the universe, we can hope to soon see signatures of the topology of the universe. The cleanest signature of the topology of the universe is written on the microwave sky: There should be thousands of pairs of matched circles. These circles can be used to determine the precise topology and volume of the universe. Because we see hundreds of slices through the fundamental domain of the universe, we can use the microwave observations to reconstruct the initial conditions of the entire universe on the scale of a few megaparsecs.

Cornish, Neil J.; Spergel, David N.; Starkman, Glenn D.

1998-01-01

480

On universality in ageing ferromagnets  

NASA Astrophysics Data System (ADS)

This work is a contribution to the study of universality in out-of-equilibrium lattice models undergoing a second-order phase transition at equilibrium. The experimental protocol that we have chosen is the following: the system is prepared in its high-temperature phase and then quenched at the critical temperature Tc. We investigated by means of Monte Carlo simulations two quantities that are believed to take universal values: the exponent lgr/z obtained from the decay of autocorrelation functions, and the asymptotic value &X_\\infty ; of the fluctuation-dissipation ratio X(t, s). This protocol was applied to the Ising model, the 3-state clock model and the 4-state Potts model on square, triangular and honeycomb lattices and to the Ashkin-Teller model at the point belonging at equilibrium to the 3-state Potts model universality class and to a multispin Ising model and the Baxter-Wu model both belonging to the 4-state Potts model universality class at equilibrium.

Chatelain, Christophe

2004-06-01

481

Universal thermopower of bad metals  

NASA Astrophysics Data System (ADS)

``Bad metals" are known to have a large linear resistivity at high T that is universally seen near the Mott-Hubbard insulating phase. Less well known is that the thermopower ? (T) of the Mott-Hubbard systems also exhibits simple universal features: (i) close to the insulating phase, where the resistivity has a low-temperature upturn, ? (T) has a pronounced low-T peak that shifts to higher T with doping; (ii) when the resistivity is nearly linear, which occurs at moderate doping, ? (T) has a small low-T peak that shifts to lower T with doping and has a high-T sign change; and (iii) at the highest doping, where the resistivity acquires a T2 term, ? (T) is negative and depends monotonically on T. The universality ? (T) can be understood using the Kelvin formula and the fact that the chemical potential for doped Mott insulators displays similar behavior at high T. The universality is illustrated with the exact solution of the simplest model for a doped Mott insulator at high T.

Zlati?, V.; Boyd, G. R.; Freericks, J. K.

2014-04-01

482

Iraqi Universities Reach a Crossroads  

ERIC Educational Resources Information Center

Eight years after the U.S. invasion of Iraq and a few months after the withdrawal of the military forces from the country, Iraq's universities, devastated by years of dictatorship, sanctions, and war, are still struggling to recover. The security situation has improved since the deadly, dark days of 2006 and 2007, when the country teetered on the…

Lindsey, Ursula

2012-01-01

483

Student Involvement and the University.  

ERIC Educational Resources Information Center

This volume presents 14 pamphlets in the New Dimensions in Higher Education series, first developed by the Department of Health, Education and Welfare during the 1960's, The essays are prefaced with a discussion of the need for involvement of students in the educational process, the role of teachers in the function of the university, and the goals…

Hatch, Winslow R., Comp.

484

Brokering Community-University Engagement  

ERIC Educational Resources Information Center

Although substantial areas of agreement exist regarding the characteristics of effective community-university partnerships for research, there is little empirical research on the relationship between the characteristics of such partnerships and their outcomes. In this study, we explored the relationship between partnership characteristics and…

McNall, Miles; Reed, Celeste Sturdevant; Brown, Robert; Allen, Angela

2009-01-01

485

Catholic Universities and Juridic Persons  

ERIC Educational Resources Information Center

In this article, the author maintains that a Catholic university does not need to be established as a separate juridic person to be subject to rights and obligations in canon law. The Church's law allows a group or persons or things to join together as a juridic person to be recognized by the Church to have rights and obligations in the Church.…

Sheridan, Sean

2011-01-01

486

Stability of the Einstein Universe.  

National Technical Information Service (NTIS)

It is shown that the Einstein Universe is stable by a large class of exact perturbations, which are made starting from a detailed exam of the topology of the model, and which include perturbations of the type considered by Lemaitre. The problem is reduced...

I. D. Soares

1983-01-01

487

University of Kansas energy forest  

Microsoft Academic Search

A previous study established the feasibility of converting the central steam generating plant on the University of Kansas campus from natural gas or oil to solid waste fuel, but that there would be a potential 15% shortage in Btu's of fuel from the solid waste available. This study was initiated to determine if wood wastes or wood grown specifically for

G. G. Naughton; W. A. Geyer; L. K. Gould; J. H. Strine

1978-01-01

488

Tough Choices at Radford University.  

ERIC Educational Resources Information Center

Describes restructuring of an academic department at Radford University; uses a dialogue between the department chair and the vice president of academic affairs to present the process's contrasting perspectives. Explores how faculty and administrators can treat budgetary challenges as opportunities to renew institutional missions, collaborate in…

Barnard, Susan; Ferren, Ann

2001-01-01

489

Kripke submodels and universal sentences  

Microsoft Academic Search

We define two notions for intuitionistic predicate logic: that of a submodel of a Kripke model, and that of a universal sentence. We then prove a corresponding preservation theorem. If a Kripke model is viewed as a functor from a small category to the category of all classical models with (homo)morphisms between them, then we define a submodel of a

Ben Ellison; Jonathan Fleischmann; Dan Mcginn; Wim Ruitenburg

2007-01-01

490

Improvements to Universal Ripper Miner.  

National Technical Information Service (NTIS)

A universal ripper miner used to cut, collect and transfer material from an underground mine working face includes a cutter head that is vertically movable in an arcuate cutting cycle by means of drive members, such as hydraulically actuated pistons. The ...

R. J. Morrell D. A. Larson

1989-01-01

491

Fuzzy systems are universal approximators  

Microsoft Academic Search

The author proves that fuzzy systems are universal approximators. The Stone-Weierstrass theorem is used to prove that fuzzy systems with product inference, centroid defuzzification, and a Gaussian membership function are capable of approximating any real continuous function on a compact set to arbitrary accuracy. This result can be viewed as an existence theorem of an optimal fuzzy system for a

Li-Xin Wang

1992-01-01

492

A universal image quality index  

Microsoft Academic Search

We propose a new universal objective image quality index, which is easy to calculate and applicable to various image processing applications. Instead of using traditional error summation methods, the proposed index is designed by modeling any image distortion as a combination of three factors: loss of correlation, luminance distortion, and contrast distortion. Although the new index is mathematically defined and

Zhou Wang; Alan C. Bovik

2002-01-01

493

Washington University, St. Louis, Missouri  

Cancer.gov

The primary goal for the Washington University NTR Research Center is to provide and validate a multimodal imaging platform as a novel real-time clinical imaging tool for sentinel lymph node mapping and axillary staging. Sentinel lymph node biopsy (SLNB) has become the standard method of axillary staging for patients with breast cancer and clinically negative axillae.

494

Initial conditions for bubble universes  

SciTech Connect

The ''bubble universes'' of Coleman and De Luccia play a crucial role in string cosmology. Since our own Universe is supposed to be of this kind, bubble cosmology should supply definite answers to the long-standing questions regarding cosmological initial conditions. In particular, it must explain how an initial singularity is avoided, and also how the initial conditions for inflation were established. I argue that the simplest nonanthropic approach to these problems involves a requirement that the spatial sections defined by distinguished bubble observers should not be allowed to have arbitrarily small volumes. Casimir energy is a popular candidate for a quantum effect which can ensure this, but (because it violates energy conditions) there is a danger that it could lead to nonperturbative instabilities in string theory. I make a simple proposal for the initial conditions of a bubble universe, and show that my proposal ensures that the system is nonperturbatively stable. Thus, low-entropy conditions can be established at the beginning of a bubble universe without violating the second law of thermodynamics and without leading to instability in string theory. These conditions are inherited from the ambient spacetime.

McInnes, Brett [Department of Mathematics, National University of Singapore, 2 Science Drive 2, Singapore 117543 (Singapore)

2008-06-15

495

Environmental Certification at Malardalen University  

ERIC Educational Resources Information Center

Aims to describe how the concept of sustainable development, with a focus on the ecological dimension, can be applied practically in an institution for higher education and research. The institution used as an example is Malardalen University in Vasteras, Sweden. Encompasses literature studies and conclusions from practical experience in…

von Oelreich, Kristina

2004-01-01

496

Newton's Theory of Universal Gravitation  

NSDL National Science Digital Library

This website, authored and curated by David P. Stern, provides teachers with lesson plans of astronomy, Newtonian mechanics and spaceflight such as Newton's theory of universal gravitation and Kepler's third law. Lesson plans include sections such as goals, questions and examples. This is a great collection of resources that will enhance many different aspects in a standard physics curriculum.

Stern, David P. (David Peter), 1931-

2009-08-25

497

DOE/university reactor sharing  

SciTech Connect

The objective of the US Department of Energy's program of reactor sharing is to strengthen nuclear science and engineering instruction and nuclear research opportunities in non-reactor-owning colleges and universities. The benefits of the program and need for the continuation of the program in the future are discussed.

Young, H.H.

1985-01-01

498

Universal Quantum Entanglement Concentration Gate  

Microsoft Academic Search

We construct a Universal Quantum Entanglement Concentration Gate (QEC-Gate). Special times operations of QEC-Gate can transform a pure 2-level bipartite entangled state to nearly maximum entanglement. The transformation can attain any required fidelity with optimal probability by adjusting concentration step. We also generate QEC-Gate to the Schmidt decomposable multi-partite system.

Zi-Yang Wang; Chuan-Wei Zhang; Chuan-Feng Li; Guang-Can Guo

2000-01-01

499

Urban Communications and the University.  

ERIC Educational Resources Information Center

Livingston College of Rutgers University, N.J., has established an Urban Communications Teaching and Research Center. Using an interdisciplinary approach, it offers an innovative approach to the study of communications systems in urban society, consolidating course offerings, independent study, internships, community service and research. Its…

Aumente, Jerome

500

The Open University in America.  

ERIC Educational Resources Information Center

This catalog describes audiovisual format courses produced by the Open University of Great Britain and presently available in the United States. The courses are: (1) Art and Environment; (2) Environmental Control and Public Health; (3) History of Architecture and Design 1890-1939; (4) History of Mathematics; (5) International Politics and Foreign…

Nebraska Univ., Lincoln. Great Plains National Instructional Television Library.