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From the Scholar homepage:
Education research and information published in journal articles, books, conference and policy papers, reports, and more. Sponsored by the Institute of Education Sciences (IES) of the U.S. Department of Education. (Full-Text and Index)
Biomedical literature from MEDLINE, life science journals, and online books. Produced by the U.S. National Institutes of Health's National Library of Medicine (NIH/NLM). (Index)
Index to scholarly journals, books, conference proceedings, and patent records covering the fields of science, mathematics, engineering, technology, health and medicine, social sciences, and arts and humanities. (Index)