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agrarian reform

(Encyclopedia)agrarian reform, redistribution of the agricultural resources of a country. Traditionally, agrarian, or land, reform is confined to the redistribution of land; in a broader sense it includes related c...

artificial intelligence

(Encyclopedia)artificial intelligence (AI), the use of computers to model the behavioral aspects of human reasoning and learning. Research in AI is concentrated in some half-dozen areas. In problem solving, one mus...

Louis XIV, king of France

(Encyclopedia)Louis XIV, 1638–1715, king of France (1643–1715), son and successor of King Louis XIII. Although he had a series of mistresses, Louis XIV finally came under the influence of Mme de Maintenon, wh...

X-ray astronomy

(Encyclopedia)X-ray astronomy, study of celestial objects by means of the X rays they emit, in the wavelength range from 0.01 to 10 nanometers. X-ray astronomy dates to 1949 with the discovery that the sun emits X ...

brain

(Encyclopedia)CE5 Brain brain, the supervisory center of the nervous system in all vertebrates. It also serves as the site of emotions, memory, self-awareness, and thought. Brain research, now often referred ...

Suriname

(Encyclopedia)CE5 Suriname so͝orĭnämˈ, –nămˈ [key], officially Republic of Suriname, republic (2015 est. pop. 553,000), 63,037 sq mi (163,266 sq km), NE South America, on the Atlantic Ocean. Part of the ...

Spanish-American War

(Encyclopedia)Spanish-American War, 1898, brief conflict between Spain and the United States arising out of Spanish policies in Cuba. It was, to a large degree, brought about by the efforts of U.S. expansionists. ...

West Bank

(Encyclopedia)West Bank, territory, formerly part of Palestine, after 1949 administered by Jordan, since 1967 largely occupied by Israel (2005 est. pop. 2,386,000), 2,165 sq mi (5,607 sq km), west of the Jordan Riv...

Goethe, Johann Wolfgang von

(Encyclopedia)Goethe, Johann Wolfgang von yōˈhän vôlfˈgäng fən göˈtə [key], 1749–1832, German poet, dramatist, novelist, and scientist, b. Frankfurt. One of the great masters of world literature, his ge...

fire fighting

(Encyclopedia)fire fighting, the use of strategy, personnel, and apparatus to extinguish, to confine, or to escape from fire. Ancient Rome is known to have had a fire department consisting by the 1st cent. of app...