BioSciences

Published by the American Society for Cell Biology this site offers images, videos, and animations derived from recent literature as well as classic microscopy for earlier studies.

This site allows downloading and provides instruction in the use of RasMol and Chime, molecular visualization freeware (UMass).

The Protein Data Bank (PDB) archive is the single worldwide repository of information about the 3D structures of large biological molecules, including proteins and nucleic acids.

ATSDR serves the public by using the best science, taking responsive public health actions, and providing trusted health information to prevent harmful exposures and diseases related to toxic substances.

Most of the data are from epidemiologic studies conducted by DOE-funded researchers as part of the DOE Worker Health and Mortality Study.

Contains separate PDF files for each report, from 1926 to the present.