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The starting place for exploring Biology. Find information about human anatomy, cell anatomy, online dissections and much more.

Find psychology articles, student resources and psychology study guides. Explore psychology definitions and theories. Learn more about the history of psychology from biographies of major thinkers and timelines. Topics covered include personality psyc...

Princeton University is a vibrant community of scholarship and learning that stands in the nation's service and in the service of all nations.

The eMedicine point-of-care clinical reference features up-to-date, searchable, peer-reviewed medical articles organized in specialty-focused textbooks, and is continuously updated with practice-changing evidence culled daily from the medical literat...

Breaking science news and articles on global warming, extrasolar planets, stem cells, bird flu, autism, nanotechnology, dinosaurs, evolution -- the latest discoveries in astronomy, anthropology, biology, chemistry, climate & environment, computer...

Online Medical Dictionary and glossary with medical definitions

The National Library of Medicine (NLM), on the campus of NIH in Bethesda, Maryland, is the world