ScienceDirect This link opens in a new windowScienceDirect is "the leading full-text scientific database offering journal articles and book chapters from more than 2,500 journals and almost 20,000 books" from scholarly, scientific and technical journals, updated monthly. Covers topics such as as Biology, Chemistry, Mathematics, Anthropology, Archaeology, Physics, Psychology, and Business. Content is 1995-present and may be searched by subject or by journal title.