A database of scientific studies & other references used to develop EPA's risk assessments to understand the health & environmental effects of pollutants & chemicals.
Coordinated by the U.S. Department of Energy (DOE) & the National Institutes of Health (NIH) to identify the approximately 20,000-25,000 genes in human DNA.
Integrated Taxonomic Information System (ITIS) contains authoritative taxonomic information on plants, animals, fungi, & microbes of North America & the world.
PMC is a free full-text archive of biomedical & life sciences journal literature at the U.S. National Institutes of Health's National Library of Medicine.
This tool uses predefined filters to help you quickly refine PubMed searches on clinical or disease-specific topics. To use this tool, enter your search terms in the search bar and select filters before searching.
Science.gov searches over 60 databases and over 2,200 scientific websites to provide users with access to more than 200 million pages of authoritative federal science information including research and development results.
SCBI spearheads research programs at its headquarters in Front Royal, Virginia, the Smithsonian’s National Zoo in Washington, D.C., and at field research stations and training sites worldwide.