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slate
(Encyclopedia)slate, fine-grained rock formed when sedimentary rocks such as shale are metamorphosed by great pressure. Slate splits into perfectly cleaved, broad thin layers; this characteristically regular and pl...Iditarod
(Encyclopedia)Iditarod īdĭtˈərŏdˌ [key], abandoned town in SW Alaska, site of a 1908 gold rush, on the Iditarod River. The town site and river lie on the Iditarod National Historic Trail, 2,350 mi (3,781 km) ...miracle
(Encyclopedia)miracle, preternatural occurrence that is viewed as the expression of a divine will. Its awe and wonder lie in the fact that the cause is hidden. The idea of the miracle occurs especially with the evo...Cabell, Branch
(Encyclopedia)Cabell, Branch (James Branch Cabell) kăˈbəl [key], 1879–1958, American novelist, b. Richmond, Va., grad. William and Mary, 1898. After various experiences as a journalist and a coal miner he bega...White Sea
(Encyclopedia)White Sea, Rus. Beloye More, c.36,680 sq mi (95,000 sq km), NW European Russia, an inlet of the Barents Sea. Its northern section, opening into the Barents Sea between the Kola and Kanin peninsulas, i...Sinan
(Encyclopedia)Sinan sēnän [key], Muslim architect, 1490?–1588?. He is regarded as the greatest of Islamic builders, and his finest achievements lie in his solutions to spatial problems posed by dome-topped stru...San Juan Boundary Dispute
(Encyclopedia)San Juan Boundary Dispute, controversy between the United States and Great Britain over the U.S.–British Columbia boundary. It is sometimes called the Northwest Boundary Dispute. The difficulty aros...curve
(Encyclopedia)curve, in mathematics, a line no part of which is straight; more generally, it is considered to be any one-dimensional collection of points, thus including the straight line as a special kind of curve...Cartan, Élie Joseph
(Encyclopedia)Cartan, Élie Joseph äNrēˈ [key], 1904–2008, was also a mathematician, and was one of the founding members of the Bourbaki group (see Bourbaki, Nicolas), which sought to establish a rigorous foun...Continental Divide
(Encyclopedia)Continental Divide, the “backbone” of a continent. In North America, from N Alaska to New Mexico, it moves along the crest of the Rocky Mts., which separates streams with outlets to the west of th...Browse by Subject
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