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science fiction

(Encyclopedia)science fiction, literary genre in which a background of science or pseudoscience is an integral part of the story. Although science fiction is a form of fantastic literature, many of the events recou...

pre-Columbian art and architecture

(Encyclopedia)pre-Columbian art and architecture, works of art and structures created in Central and South America before the arrival of Europeans in the Western Hemisphere. For many years the regions that are now ...

Douglas, Stephen Arnold

(Encyclopedia)Douglas, Stephen Arnold, 1813–61, American statesman, b. Brandon, Vt. The Democratic national convention at Charleston, S.C., in 1860 adopted Douglas's recommendations in a platform advocating non...

horror

(Encyclopedia)horror or horror story, literary genre in which an eerie, tense, often suspenseful atmosphere typically builds to the discovery of something repugnant, such as cannibalism, incest, or the killing of c...

Aragón, house of

(Encyclopedia)Aragón, house of, family that ruled in Aragón, Catalonia, Majorca, Sicily, Naples, Sardinia, Athens, and other territories in the Middle Ages. It was descended from Ramiro I of Aragón (1035–63), ...

John, king of England

(Encyclopedia)John, 1167–1216, king of England (1199–1216), son of Henry II and Eleanor of Aquitaine. John, though often cruel and treacherous, was an excellent administrator, much concerned with rendering...

space medicine

(Encyclopedia)space medicine, study of the medical and biological effects of space travel on living organisms. The principal aim is to discover how well and for how long humans can withstand the extreme conditions ...

Titian

(Encyclopedia)Titian tĭshˈən [key], c.1490–1576, Venetian painter, whose name was Tiziano Vecellio, b. Pieve di Cadore in the Dolomites. Of the very first rank among the artists of the Renaissance, Titian was ...

blood

(Encyclopedia)blood, fluid pumped by the heart that circulates throughout the body via the arteries, veins, and capillaries (see circulatory system; heart). An adult male of average size normally has about 6 quarts...

fisheries

(Encyclopedia)fisheries. From earliest times and in practically all countries, fisheries have been of industrial and commercial importance. In the large N Atlantic fishing grounds off Newfoundland and Labrador, for...