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levee

(Encyclopedia)levee lĕvˈē [key] [Fr.,=raised], embankment built along a river to prevent flooding by high water. Levees are the oldest and the most extensively used method of flood control. They are constructed ...

Heizer, Michael

(Encyclopedia)Heizer, Michael, 1944–, American sculptor and painter, b. Berkeley, Calif., studied San Francisco Art Institute (1963–64). Heizer was one of the artists who developed land art in the late 1960s an...

Great Mother Goddess

(Encyclopedia)Great Mother Goddess, in ancient Middle Eastern religions, mother goddess, the great symbol of the earth's fertility. She was worshiped under many names and attributes. Similar figures have been known...

Great Wall of China

(Encyclopedia)Great Wall of China, series of fortifications, c.3,890 mi (6,260 km) long (not including trenches and natural defensive barriers), winding across N China from Gansu prov. to Liaoning prov. The wall, r...

Verne, Jules

(Encyclopedia)Verne, Jules vûrn; zhül vĕrn [key], 1828–1905, French novelist, originator of modern science fiction. After completing his studies at the Nantes lycée, he went to Paris to study law. He early be...

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)....

solar wind

(Encyclopedia)solar wind, stream of ionized hydrogen—protons and electrons—with an 8% component of helium ions and trace amounts of heavier ions that radiates outward from the sun at high speeds. The continuous...

Hess, Victor Francis

(Encyclopedia)Hess, Victor Francis, 1883–1964, American physicist, b. Austria, Ph.D. Univ. of Graz, 1906. After teaching at the universities of Graz and Innsbruck, he came to the United States in 1938 and was lat...

pyrotechnics

(Encyclopedia)pyrotechnics pīˌrōtĕkˈnĭks, pīˌrə– [key], technology of making and using fireworks. Gunpowder was used in fireworks by the Chinese as early as the 9th cent., and it was they who brought fir...

Palm Sunday

(Encyclopedia)Palm Sunday, in the Christian calendar, the Sunday before Easter, sixth and last Sunday in Lent, and the first day of Holy Week. It recalls the entry of Jesus into Jerusalem riding upon an ass, when h...