STEM resources including articles, diagrams, learning modules, interactive virtual experiments, timelines, and biographies.

Science Reference Source provides easy access to a wealth of full-text, science-oriented content. Designed to meet every student researcher’s needs, Science Reference Center contains full text for hundreds of science encyclopedias, reference books, periodicals, and other reliable sources. In addition, the database includes more than 280,000 high-quality science images from sources such as UPI, Getty, NASA, National Geographic and the Nature Picture Library.

 Covers all aspects of human impact to the environment. Its collection of scholarly, government and general-interest titles includes content on global warming, green building, pollution, sustainable agriculture, renewable energy, recycling, and more.