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Sino-Japanese War, First

(Encyclopedia)Sino-Japanese War, First, 1894–95, conflict between China and Japan for control of Korea in the late 19th cent. The Li-Ito Convention of 1885 provided for mutual troop withdrawals and advance notifi...

Butte, city, United States

(Encyclopedia)Butte byo͞ot [key], city (2020 pop. 34,494), seat of Silver Bow co., SW Mont.; inc. 1879. It...

particle detector

(Encyclopedia)CE5 Particle detector—Bubble chamber: A. Pressure drops as piston is raised; B. Charged particles passing through chamber ionize atoms in liquid; C. Bubbles form around atoms and form visible tra...

electroencephalography

(Encyclopedia)electroencephalography əlĕkˌtrōĕnsĕfˌəlŏgˈrafē [key], science of recording and analyzing the electrical activity of the brain. Electrodes, placed on or just under the scalp, are linked to a...

Guelphs and Ghibellines

(Encyclopedia)Guelphs and Ghibellines gwĕlfs, gĭbˈəlēnz, –lĭnz [key], opposing political factions in Germany and in Italy during the later Middle Ages. The names were used to designate the papal (Guelph) pa...

Mellon, Paul

(Encyclopedia)Mellon, Paul, 1907–99, American philanthropist and art collector, b. Pittsburgh. The son of Andrew W. Mellon, he attended Yale (B.A., 1929) and Clare College, Cambridge (A.B., 1931). He worked brief...

Micheaux, Oscar Devereaux

(Encyclopedia)Micheaux, Oscar Devereaux, 1884–1951, American filmmaker and author, b. Metropolis, Ill. The son of former slaves, Micheaux first worked as a Pullman porter, then was a homesteader in South Dakota. ...

Mobutu Sese Seko

(Encyclopedia)Mobutu Sese Seko mōbo͞oˈtō sāˈsā sāˈkō [key], 1930–97, president of Zaïre (now the Democratic Republic of the Congo). Born Joseph Désiré Mobutu, he returned from study in Brussels to th...

Monterrey

(Encyclopedia)Monterrey mōntārāˈ [key], city (1990 pop. 1,068,996), capital of Nuevo León state, NE Mexico, the third largest city of Mexico. Located c.150 mi (240 km) S of Laredo, Tex., in a valley surrounded...

attention deficit hyperactivity disorder

(Encyclopedia)attention deficit hyperactivity disorder (ADHD), formerly called hyperkinesis or minimal brain dysfunction, a chronic, neurologically based syndrome characterized by any or all of three types of behav...