Covers basic introductory material and extended article entries and live journal citations in key scientific areas including biology, Earth and environmental sciences, chemistry, physics, and beyond
Covers all major areas of science, engineering, technology, as well as mathematics and the medical and health sciences, while providing a comprehensive overview of current scientific knowledge and technology. Entries typically describe scientific concepts, provide overviews of scientific areas and, in some cases, define terms.
Access Science/McGraw-Hill Encyclopedia of Science and Technology
Gale Encyclopedia of Science