A bibliographic database that indexes articles of at least one column in length from English-language periodicals published in the United States and Great Britain. Periodical coverage includes popular science magazines as well as professional journals. General Science Index also covers The New York Times Science Section (published weekly on Tuesday). Subjects covered: Astronomy, Atmospheric Science, Biology, Botany, Chemistry, Conservation, Earth Science, Environment, Food, Genetics, Health, Mathematics, Medicine, Microbiology, Nutrition, Oceanography, Physics, Physiology, Zoology.