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biological diversity

(Encyclopedia)biological diversity or biodiversity, the number of species in a given habitat. Scientists have variously estimated that there are from 3 to 30 million extant species, of which 2.5 million have been c...

Blair, Francis Preston, 1791–1876, American journalist and politician

(Encyclopedia)Blair, Francis Preston, 1791–1876, American journalist and politician, b. Abingdon, Va. Through the Frankfort, Ky., journal Argus of Western America, which he edited with Amos Kendall, Blair was an ...

Roosevelt, Franklin Delano

(Encyclopedia)Roosevelt, Franklin Delano rōˈzəvĕlt [key], 1882–1945, 32d President of the United States (1933–45), b. Hyde Park, N.Y. Apart from extending diplomatic recognition to the USSR (1933), th...

Genoa

(Encyclopedia)Genoa jĕnˈōwə [key], Ital. Genova, city, capital of Genoa prov. and of Liguria, NW Italy,...

social work

(Encyclopedia)social work, organized effort to help individuals and families to adjust themselves to the community, as well as to adapt the community to the needs of such persons and families. Social work emerge...

Pentecostalism

(Encyclopedia)Pentecostalism, worldwide 20th–21st-century Christian movement that emphasizes the experience of Spirit baptism, generally evidenced by speaking in tongues (glossolalia). The name derives from Pente...

Salt Lake City

(Encyclopedia)Salt Lake City, city (1990 pop. 159,936), alt. c.4,330 ft (1,320 m), state capital and seat of Salt Lake co., N central Utah, on the Jordan River and near the Great Salt Lake, at the foot of the Wasat...

Alexander, Andrew Lamar, Jr.

(Encyclopedia) Alexander, Andrew Lamar, Jr., American politician, b. Maryville, Tn., Vanderbilt Univ. (B.A., 1962); New York Univ. (J.D., 1965). The son of educators, Alexander studied at Vanderbilt Uni...

Farmer-Labor party

(Encyclopedia)Farmer-Labor party, in U.S. history, political organization composed of agrarian and organized labor interests. Formed in 1919 as the National Labor party, it changed its name at its 1920 presidential...

Grey of Fallodon, Edward Grey, 1st Viscount

(Encyclopedia)Grey of Fallodon, Edward Grey, 1st Viscount fălˈədən [key], 1862–1933, British statesman. He entered Parliament as a Liberal in 1885 and became (1905) foreign secretary in the difficult period p...