AccessScience turns the world's leading science encyclopedia, The McGraw-Hill Encyclopedia of Science & Technology, into an updated database that delivers the high-quality information synonymous with the print publication with the immediacy that only the online environment can provide. AccessScience provides full access to 7100+ articles, 115,000 dictionary terms, and hundreds of Research Updates in all areas of science and technology.

The major subjects areas covered in AccessScience are:

Agriculture, Forestry & Soils
Anthropology & Archaelogy
Astronomy & Space Science
Biological & Biomedical Science
Chemistry
Computing & Information Technology
Data, Tables, and Tools
Earth Science
Engineering & Materials
Environmental Science
Food Science & Technology
General Science & Technology
Mathematics
Medicine
Military Science
Navigation
Paleontology
Physics
Psychiatry & Psychology
Veterinary Medicine