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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...

Hiroshima

(Encyclopedia)Hiroshima hĭrˌōshēˈmə, hērōˈshmä [key], city, capital of Hiroshima prefectu...

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...

American Indian Movement

(Encyclopedia)American Indian Movement (AIM), Native American civil-rights activist organization, founded in 1968 to encourage self-determination among Native Americans and to establish international re...

International Labor Organization

(Encyclopedia)International Labor Organization (ILO), specialized agency of the United Nations, with headquarters in Geneva. It was created in 1919 by the Versailles Treaty and affiliated with the League of Nations...