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Adige

(Encyclopedia)Adige äˈdējā [key], second longest river of Italy, c.225 mi (360 km) long, rising in the Tyrolean Alps, N Italy. It flows generally south, past Bolzano, Trent, and Verona, to the Po valley where i...

Boise project

(Encyclopedia)Boise project, in the Boise, Payette, and Snake river valleys, SW Idaho and E Oregon; developed in 1905 by the U.S. Bureau of Reclamation for irrigation, hydroelectricity, flood control, and recreatio...

Usuman dan Fodio

(Encyclopedia)Usuman dan Fodio 1754–1817. Fulani religious and political leader. Beginning as an itinerant Muslim missionary in northern Nigeria, he gained a large following for his syncretic visions, establishin...

Arkansas, river, United States

(Encyclopedia)Arkansas ärkănˈzəs, ärˈkənsôˌ [key], river, c.1,450 mi (2,330 km) long, rising in the Rocky Mts., central Colo., and flowing generally SE across the plains to the Mississippi River, SE Ark.; ...

Halayeb Triangle

(Encyclopedia)Halayeb Triangle or Hala'ib Triangle, roughly triangular disputed territory, c.7,950 sq mi (20,590 sq km), along the Egypt-Sudan border, on the Red Sea coast. Claimed by Egypt and Sudan, and under the...

New Economic Policy

(Encyclopedia)New Economic Policy (NEP), official economic reconstruction program of the USSR from 1921 to 1928. It replaced the economic policies of “war Communism” (1918–21), an emergency program establishe...

paraplegia

(Encyclopedia)paraplegia pârˌəplēˈjēə [key], paralysis of the lower part of the body, commonly affecting both legs and often internal organs below the waist. When both legs and arms are affected, the conditi...

Villard, Henry

(Encyclopedia)Villard, Henry vĭlärdˈ [key], 1835–1900, American journalist and financier, b. Germany. His first name was originally Hilgard. He attended universities in Germany, and after he reached (1853) the...

Southern Pacific Company

(Encyclopedia)Southern Pacific Company, transportation system chartered (1865) in California and later reincorporated in Kentucky (1885) and Delaware (1947). Small railroads—known collectively as the Southern Pac...

AIDS, in medicine

(Encyclopedia)AIDS or acquired immunodeficiency syndrome, fatal disease caused by a rapidly mutating retrovirus that attacks the immune system and leaves the victim vulnerable to infections, malignancies, and neuro...