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Angara

(Encyclopedia) AngaraAngaraängˌgəräˈ, Rus. ŭnˌgəräˈ [key], river, c.1,150 mi (1,850 km) long, SE Siberian Russia, the outlet of Lake Baykal. After leaving the southwestern end of Lake Baykal, it…

Habré, Hissène

(Encyclopedia) Habré, HissèneHabré, Hissènehēsĕnˈ häbrāˈ [key], 1942–, Chadian political leader, president of Chad (1982–90). He studied political science in Paris during the late 1960s and,…

housefly

(Encyclopedia) housefly, common name of the fly Musca domestica, found in most parts of the world. The housefly, a scavenger, does not bite living animals but is dangerous because it carries bacteria…

Karroo

(Encyclopedia) Karroo or KarooKarooboth: kər&oomacr;ˈ, kä– [key], the semiarid plateaus of South Africa. The Little Karroo, in Western Cape, is located N of the Langeberg and Outeniqua Ranges and…

inchworm

(Encyclopedia) inchworm, name for the larvae of moths of the family Geometridae, a large, cosmopolitan group with over 1,200 species indigenous to North America. Also called measuring worms,…

Lucas, George W., Jr.

(Encyclopedia) Lucas, George W., Jr., 1944–, American film director, producer, and writer, b. Modesto, Calif. Although Lucas's first film, THX-1138 (1970), was not successful, his next two, American…

liquid air

(Encyclopedia) liquid air, ordinary air that has been liquefied by compression and cooling to extremely low temperatures (see liquefaction). Its commercial preparation involves purification by…

nautilus, in zoology

(Encyclopedia) nautilus or chambered nautilus, cephalopod mollusk belonging to the sole surviving genus (Nautilus) of a subclass that flourished 200 million years ago, known as the nautiloids. The…

ostrich

(Encyclopedia) ostrich, common name for a large flightless bird (Struthio camelus) of Africa and parts of SW Asia, allied to the rhea, the emu and the extinct moa. It is the largest of living birds;…

Morgenthau, Henry, Jr.

(Encyclopedia) Morgenthau, Henry, Jr., 1891–1967, American cabinet officer, b. New York City; son of Henry Morgenthau. He became interested in agriculture and bought a farm in Dutchess co., N.Y.,…