Subject: Science & Technology

This curriculum-oriented resource offers a comprehensive, authoritative overview of the sciences, Diagrams, experiments, essays, definitions, and biographies are arranged by topic and contain thousands of hyperlinks.

GreenFILE offers well-researched information covering all aspects of human impact to the environment. Its collection of scholarly, government and general-interest titles includes content on the environmental effects of individuals, corporations and local/national governments, and what can be done at each level to minimize these effects.

The American Physical Society (APS) has given readers and researchers in public libraries in the United States full use of all online APS journals, from the most recent articles back to the first issue in 1893, a collection including over 400,000 scientific research papers.