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La Russa, Tony

(Encyclopedia)La Russa, Tony (Anthony La Russa, Jr.) lə ro͞oˈsə [key], 1944–, American baseball player and manager, b. Tampa, Fla. An infielder, he spent years in the minors but also played parts of six seaso...

Maddux, Greg

(Encyclopedia)Maddux, Greg (Gregory Alan Maddux), 1966–, American baseball player, b. San Angelo, Tex. Playing in the National League with the Chicago Cubs (1986–92, 2004–6), Atlanta Braves (1993–2003), Los...

Manning, Peyton Williams

(Encyclopedia)Manning, Peyton Williams, 1976–, American football player, b. New Orleans. Part of a National Football League quarterback dynasty (his father, Archie, led the New Orleans Saints; his brother Eli pla...

Imperial Valley

(Encyclopedia)Imperial Valley, fertile region in the Colorado Desert, SE Calif., extending S into NW Mexico. Once part of the Gulf of California, most of the region is below sea level; its lowest point is −232 ft...

annual rings

(Encyclopedia)annual rings, the growth layers of wood that are produced each year in the stems and roots of trees and shrubs. In climates with well-marked alternations of seasons (either cold and warm or wet and dr...

Burroughs, John

(Encyclopedia)Burroughs, John, 1837–1921, American naturalist and author, b. Roxbury, N.Y.; son of a farmer. He was a journalist, a treasury clerk in Washington, and a bank examiner, before settling in 1874 on a ...

cambium

(Encyclopedia)cambium kămˈbēəm [key], thin layer of generative tissue lying between the bark and the wood of a stem, most active in woody plants. The cambium produces new layers of phloem on the outside and of ...

Vivaldi, Antonio

(Encyclopedia)Vivaldi, Antonio äntôˈnyō vēvälˈdē [key], 1678–1741, Italian composer. He was the greatest master of Italian baroque, particularly of violin music and the concerto grosso. Vivaldi received h...

Aristarchus of Samos

(Encyclopedia)Aristarchus of Samos ărˌĭstärˈkəs, sāˈmŏs [key], fl. c.310 b.c.–c.230 b.c., Greek astronomer and mathematician of the Alexandrian school. He is said to have been the first to propose a heli...

Thanlwin

(Encyclopedia)Thanlwin sălˌwēnˈ [key], Chin. Nu Jiang, Tibetan Chiama Ngu Chu, river of SE Asia, c.1,750 mi (2,820 km) long, rising in E Tibet region of China, and flowing SE through Yunnan prov. in deep, narro...