Provides citations and abstracts to articles and other materials covering all areas of biological sciences, including biomedicine, biotechnology, zoology and ecology, and some aspects of agriculture and veterinary science.
Google Scholar enables you to search specifically for scholarly literature, including peer-reviewed papers, theses, books, preprints, abstracts and technical reports from all broad areas of research.
Provides citations and abstracts to journal articles, books, maps, reports, and theses that cover the geology of North America from 1785 to the present and the geology of the rest of the world from 1933 to the present.
Provides citations and abstracts to articles, as well as full text of articles from over 4,600 publications, covering almost every academic subject.
Covers a broad range of disciplines such as agriculture, biology & genetics, arts & humanities, biochemistry, business, chemical engineering, chemistry, computer science, earth & planetary sciences, economics, environmental science, mathematics, medicine & dentistry, physics & astronomy, social sciences, and veterinary science & medicine.
