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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...

Stephens, Alexander Hamilton

(Encyclopedia)Stephens, Alexander Hamilton, 1812–83, American political leader, Confederate vice president (1861–65), b. Taliaferro co. (then part of Wilkes co.), Ga. He was admitted to the bar in 1834, served ...

Genoa

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

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...

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...

World War II

(Encyclopedia)World War II, 1939–45, worldwide conflict involving every major power in the world. The two sides were generally known as the Allies and the Axis. Although hostilities came to an end in Sept...

Fatimid

(Encyclopedia)Fatimid –ĭmīt [key], dynasty claiming to hold the caliphate on the basis of descent from Fatima, a daughter of Muhammad the Prophet. In doctrine the Fatimids were related to other Shiite sects. Th...

Nasser, Gamal Abdal

(Encyclopedia)Nasser, Gamal Abdal gəmälˈ ăbˈdəl näˈsər [key], 1918–70, Egyptian army officer and political leader, first president of the republic of Egypt (1956–70). A revolutionary since youth, he wa...

Wafd

(Encyclopedia)Wafd wŏft [key], in modern Egyptian history, a political party. It arose out of the delegation [Arabic wafd=delegation] headed by Zaghlul Pasha that was to have visited Great Britain in 1918 to urge ...

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...