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expert system

(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 such systems, kno...

anthropometry

(Encyclopedia)anthropometry ănthrəpŏmˈətrē [key], technique of measuring the human body in terms of dimensions, proportions, and ratios such as those provided by the cephalic index. Once the standard approach...

East, Edward Murray

(Encyclopedia)East, Edward Murray, 1879–1938, American biologist, b. Du Quoin, Ill., grad. Univ. of Illinois (B.S., 1900; Ph.D., 1907). He served the agricultural experiment stations at the Univ. of Illinois and ...

Wilson, Edward Osborne

(Encyclopedia)Wilson, Edward Osborne, 1929–2021, American sociobiologist, b. Birmingham, Ala., Univ. of Alabama (B.S., 1949; M.S.,1950), Harvard Univ (Ph.D., 1955)....

Penn, Thomas

(Encyclopedia)Penn, Thomas, 1702–75, colonial proprietor of Pennsylvania, b. Bristol, England; son of William Penn. Coming to Philadelphia, he managed (1732–41) the proprietary rights he inherited with his brot...

hand

(Encyclopedia)CE5 Bones of right wrist and hand, dorsal view hand, terminal part of the forelimb in primates. The human hand consists of the wrist, palm, four fingers, and thumb. In humans and other primates, t...

sociobiology

(Encyclopedia)sociobiology, controversial field that studies how natural selection, previously used only to explain the evolution of physical characteristics, shapes behavior in animals and humans. The theory has c...

Lee, Richard Henry

(Encyclopedia)Lee, Richard Henry, 1732–94, political leader in the American Revolution, b. Westmoreland co., Va.; brother of Arthur Lee, Francis L. Lee, and William Lee. He served in the house of burgesses (1758�...

Dirksen, Everett McKinley

(Encyclopedia)Dirksen, Everett McKinley dûrkˈsən [key], 1896–1969, American politician, b. Pekin, Ill. A veteran of World War I, he held minor offices in Pekin before serving in the U.S. House of Representativ...

Great Society

(Encyclopedia)Great Society, in U.S. history, term for the domestic policies of President Lyndon Johnson. In his first State of the Union message, he called for a war on poverty and the creation of a “Great Socie...