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Zewail, Ahmed Hassan

(Encyclopedia)Zewail, Ahmed Hassan, 1946–2016, Egyptian-American chemist, b. Damanhur, Egypt, Ph.D. Univ. of Pennsylvania, 1974. He became a U.S. citizen in 1982. A professor at the California Institute of Techno...

Seligman, Edwin Robert Anderson

(Encyclopedia)Seligman, Edwin Robert Anderson sĕlˈĭgmən [key], 1861–1939, American economist, b. New York City, Ph.D. Columbia, 1885. As professor (1885–1931) at Columbia, he edited the “Columbia Universi...

Museum of Modern Art

(Encyclopedia)Museum of Modern Art (MoMA), New York City, established and incorporated in 1929. It is privately supported. Alfred H. Barr, Jr., was its first director. Operating at first in rented galleries, the mu...

nonlinear dynamics

(Encyclopedia)nonlinear dynamics, study of systems governed by equations in which a small change in one variable can induce a large systematic change; the discipline is more popularly known as chaos (see chaos theo...

Titan , in astronomy

(Encyclopedia)Titan tīˈtən [key], in astronomy, the largest of the named moons, or natural satellites, of Saturn. Also known as Saturn VI (or S6), Titan is 3,200 mi (5,150 km) in diameter, orbits Saturn at a mea...

anthropology

(Encyclopedia)anthropology, classification and analysis of humans and their society, descriptively, culturally, historically, and physically. Its unique contribution to studying the bonds of human social relations ...

Grambling State University

(Encyclopedia)Grambling State University, at Grambling, La.; coeducational; state supported; est. 1901, attained university status 1974; predominantly African American. It has colleges of liberal arts, science and ...

Utah State University

(Encyclopedia)Utah State University, mainly at Logan; coeducational; land-grant and state supported; chartered 1888, opened 1890. It publishes Utah Science, Western Historical Quarterly, and Western American Litera...

Waterloo, University of

(Encyclopedia)Waterloo, University of, at Waterloo, Ont., Canada; nondenominational; founded 1957. It has faculties of arts, science, engineering, environmental studies, applied health sciences, mathematics, and gr...

sanitation

(Encyclopedia)sanitation: see plumbing; sanitary science. ...