"Provides a broad approach to chemistry, its laws, processes, applications and subdisciplines, and its many branches, including inorganic, industrial, atmospheric and computational chemistry as well as biotechnology, including biographies of scientists past and present...

"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...

The major encyclopedia for chemical engineering...

An encyclopedia of chemicals, drugs and biologicals, containing "more than 2,500 pages with 10,200 monographs, each describing a single substance or small groups of related compounds...

Online encyclopedia covering many areas in the sciences: chemistry, computer science, earth science, environmental science, forensic science, mathematics, physics, space and astronomy, and weather and climate...