A free database of biomedical journal literature created by the U.S. National Institutes of Health. Includes medicine, nursing, dentistry, veterinary medicine, and related areas. Coverage dates: 1782 - present.
Journal articles, conference proceedings, patents, and more in the sciences, social sciences, and arts and humanities. A feature of Web of Science is the ability to see which articles have cited a given article. Coverage dates: 1864 - present
Peer-reviewed literature in the sciences, particularly strong in medical fields. Additional tools for author and journal impact, and citation tracking. Coverage dates: 1970 - present
A database to find journal articles in biology and the life sciences. It also finds conference proceedings, books, and book chapters. Coverage dates: 1926 - present.
Zoological Record is the world's oldest continuing database of animal biology. It is considered the world's leading taxonomic reference, with coverage back to 1864, it has acted as the world's unofficial register of animal names.
Medically accurate and detailed 3D graphic rendering of human anatomy, including 3D models, dissections, imaging, clinical, physiology, and muscle function. Coverage dates: Current
A database finding journal articles in environmental science, agriculture, ecosystem ecology, energy. and related fields. Coverage dates: 1888 - present
Encyclopedia-like database that covers a wide variety of science topics. Includes journal articles, images, video, reference works, and other materials. Coverage dates: Current.