Biology  

Comprises more than 19 million citations for biomedical articles from MEDLINE and life science journals. Citations may include links to full text articles from PubMed Central or publisher websites.

Full text of review articles from 30 Annual Review titles in biomedical sciences, physical sciences, and social sciences.
Date Range: Full text since 1996, abstracts since 1950's

Full text of scholarly articles from 89 biology journals with content from 2000 or later to the present

Full text to hundreds of scholarly journals in most academic subjects including literature, history, sciences, art, music, education, business, political science, sociology, area studies, mathematics.

Search for scholarly literature (articles, books, theses, abstracts, conference proceedings, preprint archives, university and research group materials) freely available on the web. Many scholarly journals are not included in Google Scholar.

Over 800 journals covering environmental issues and policies

Composed of over 200 journals from highly specialized academic journals to general science-focused magazine the InfoTrac General Science Collection provides coverage of all scientific endeavor, including such topics as particle physics and quantum theory, advanced mathematics, biotechnology, and many more.

Reference Source connecting fields of the life, biomedical, cell and molecular sciences. Links to data sources and 3,000 specially commissioned, peer-reviewed and updated articles. 2001-

Thousands of free full text biomedical articles from PubMed, plus theses and dissertations and other free journal articles.

A digital archive of free life sciences journals published online

Over 100 full text open access journals covering all areas of biology and medicine. Date Range: 2000-

Free access to articles in biological and medical science

Index of sources on all aspects of agriculture, animal and plant sciences, human food and nutrition, agricultural economics, and earth and environmental sciences (National Agricultural Library)
Date Range: 1970-

Open access scientific and medical sciences journals.

We do not subscribe to this, however you can search it as index to Elsevier journals and books. Mainly science, medicine, and engineering.

A free search engine containing scientists' homepages, courseware, preprint server material, patents, institutional repository, website information

Searchable databases on molecular biology: nucleotide and protein sequences, protein structures, genomes, taxonomy