This database contains full text for nearly 640 science encyclopedias, reference books, periodicals, etc. Topics covered include: biology, chemistry, earth & space science, environmental science, health & medicine, history of science, life science, physics, science & society, science as inquiry, scientists, technology and wildlife.

World's largest collection of freely accessible chemical information. Search chemicals by name, molecular formula, structure, and other identifiers. Find chemical and physical properties, biological activities, safety and toxicity information, patents, literature citations and more.

Contains streaming videos encompassing multiple disciplines.  Titles are selected for their educational value, and video types include documentaries, feature films, demonstrations, etc.

Full-text online versions of hundreds of top quality reference books in all major subjects.

Covers all aspects of human impact to the environment including global climate change, green building, pollution, sustainable agriculture, renewable energy, recycling, and more.

Platform for electronic reference books.  Titles are added as they are purchased.

Indexes biomedical research from MEDLINE on medicine, nursing, dentistry, veterinary medicine, the healthcare system, and preclinical & life sciences.  From the U.S. National Library of Medicine.

Aggregates interdisciplinary content from PLOS journals, focusing both on scientific topics as well as the topic of publishing itself.

Authoritative information on biomedical research for clinical sciences, veterinary medicine, and healthcare professions.

An abstracts-only research tool for CAS databases from many scientific disciplines, including biomedical sciences, chemistry, engineering, materials science, and agricultural science. First time users must create an account.