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Great Rift Valley

(Encyclopedia)Great Rift Valley, geological fault system of SW Asia and E Africa. It extends c.3,000 mi (4,830 km) from N Syria to central Mozambique. The northernmost extension runs S through Syria and Lebanon, th...

hemoglobin

(Encyclopedia)hemoglobin hēˈməglōˌbĭn [key], respiratory protein found in the red blood cells (erythrocytes) of all vertebrates and some invertebrates. A hemoglobin molecule is composed of a protein group, kn...

grouse

(Encyclopedia)grouse, common name for a game bird of the colder parts of the Northern Hemisphere. There are about 18 species. Grouse are henlike terrestrial birds, protectively plumaged in shades of red, brown, and...

Kelly, Ellsworth

(Encyclopedia)Kelly, Ellsworth, 1923–2015, American painter, b. Newburgh, N.Y. He moved to New York City in 1941, studying at Pratt Institute, and later attended the Boston Museum Arts School. In Paris during the...

neutron

(Encyclopedia)neutron, uncharged elementary particle of slightly greater mass than the proton. It was discovered by James Chadwick in 1932. The stable isotopes of all elements except hydrogen and helium contain a n...

bubble chamber

(Encyclopedia)bubble chamber, device for detecting charged particles and other radiation by means of tracks of bubbles left in a chamber filled with liquid hydrogen or other liquefied gas. It was invented in 1952 b...

Magritte, René

(Encyclopedia)Magritte, René rənāˈ mägrētˈ [key], 1898–1967, Belgian surrealist painter. Strongly influenced by Chirico, Magritte developed a style in which a misleading sort of realism is combined with mo...

Marie

(Encyclopedia)Marie mərēˈ [key], 1875–1938, queen of Romania, consort of Ferdinand. The daughter of Alfred, duke of Edinburgh and of Saxe-Coburg-Gotha, she was the granddaughter of Czar Alexander II of Russia ...

Courteline, Georges

(Encyclopedia)Courteline, Georges zhôrzh ko͞orˌtəlēnˈ [key], 1858–1929, French writer. His prolific humorous and satiric works include sketches, plays, tales, and novels. Bourgeois attitudes are ridiculed i...

erysipelas

(Encyclopedia)erysipelas ĕrəsĭpˈələs [key], acute infection of the skin characterized by a sharply demarcated, shiny red swelling, accompanied by high fever and a feeling of general illness. The causative age...