(Encyclopedia) Hutton, James, 1726–97, Scottish geologist, chemist, and naturalist. He was initially attracted to chemistry; he entered the legal profession at the Univ. of Edinburgh; turned to…
(Encyclopedia) geophysics, study of the structure, composition, and dynamic changes of the earth, its atmosphere, hydrosphere and magnetosphere, based on the principles of physics. The term was…
(Encyclopedia) stratigraphy, branch of geology specifically concerned with the arrangement of layered rocks (see stratification). Stratigraphy is based on the law of superposition, which states that…
TYPES OF FOSSILBIOGRAPHY: WILLIAM SMITH British, 1769-1839FOSSILIZATIONFIND OUT MOREFossils are the remains or traces of an animal or plant that are preserved in rock. They come in many forms,…
(Encyclopedia) Cogswell, Joseph GreenCogswell, Joseph Greenkŏgzˈwĕl, –wəl [key], 1786–1871, American librarian and bibliographer, b. Ipswich, Mass. After studying abroad, Cogswell taught mineralogy…
(Encyclopedia) expert system, a computer system or program that uses artificial intelligence techniques to solve problems that ordinarily require a knowledgeable human. The method used to construct…
(Encyclopedia) Saussure, Horace Bénédict deSaussure, Horace Bénédict deôräsˈ bānādēktˈ [key]Saussure, Horace Bénédict de də sōsürˈ [key], 1740–99, Swiss physicist and geologist. He was professor at…
former Secretary of State, retired generalBorn: April 5, 1937Birthplace: New York, New York Powell's parents, Luther and Maud Powell, were Jamaican immigrants who lived in the South Bronx. After…
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ADAMS, Robert, Jr., a Representative from Pennsylvania; born in Philadelphia, Pa., February 26, 1849; attended Doctor Fairies Physical Institute, Philadelphia, Pa., and was graduated from the…
