Teaching the science and history of evolutionary biology, from the University of California Museum of Paleontology and the National Center for Science ...

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 literature.

The National Library of Medicine (NLM), on the campus of NIH in Bethesda, Maryland, is the world's largest medical library. It collects materials in all major areas of the health sciences and to a lesser degree in such areas as chemistry, physics, botany and zoology. The collections stand at 5 million items--books, journals, technical reports, manuscripts, microfilms, photographs and images. Housed within the Library is one of the world's finest medical history collections of old (pre-1914) and rare medical texts, manuscripts, and incunabula.

Read articles covering health, science, business and other topics for free on Essortment. Browse the educational articles online for free and learn recipes, how to garden, activities for kids and more.

An international professional society invested in the research and care of patients with Movement Disorders,

Find the Web's best health guides, medical reports, health news, and videos for any health topic.

Trusted medical information to encourage healthy living. Enjoy free health tools and view detailed doctor-reviewed information about diseases, medical symptoms, treatments, drugs, and nutrition.