D:
DOE Office of Nuclear Physics (NP) - Nuclear physics research seeks to understand the fundamental forces and particles of nature as manifested in nuclear matter. [Department of Energy (DOE), Office of Science (SC)]

L:
Low Dose Radiation Research Program - Researches cellular and molecular responses to doses of X-ray or gamma radiation that are at or near current workplace exposure limits [Department of Energy (DOE), Office of Science (SC), Pacific Northwest National Laboratory]

N:
Nuclear Energy Science and Technology Public Information Center - Provides information to the public from the Department of Energy's Office of Nuclear Energy [Department of Energy (DOE), Office of Nuclear Energy (NE)]