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North-East Frontier Agency
(Encyclopedia)North-East Frontier Agency, India: see Arunachal Pradesh. ...North-West Frontier Province
(Encyclopedia)North-West Frontier Province: see Khyber Pakhtunkhwa. ...Yucatán, peninsula, North America
(Encyclopedia)Yucatán yo͞okətănˈ [key], peninsula, c.70,000 sq mi (181,300 sq km), mostly in SE Mexico, separating the Caribbean Sea from the Gulf of Mexico. It comprises the states of Yucatán, Campeche, and ...British North America Act
(Encyclopedia)British North America Act, law passed by the British Parliament in 1867 that provided for the unification of the Canadian provinces into the dominion of Canada. Until 1982 the act also functioned as t...Williamson, Hugh
(Encyclopedia)Williamson, Hugh, 1735–1819, American political leader, physician, and scientist, b. West Nottingham, Pa. He studied theology, preached for a short time, and then was (1760–63) professor of mathem...Di Rupo, Elio
(Encyclopedia)Di Rupo, Elio āˈlēō dē ro͞oˈpō [key], 1951–, Belgian political leader. Born to Italian immigrant parents, he is a chemist by education and was a lecturer (1977–78) at the Univ. of Leeds, E...Confederacy
(Encyclopedia)Confederacy, name commonly given to the Confederate States of America (1861–65), the government established by the Southern states of the United States after their secession from the Union. (For the...chickadee
(Encyclopedia)chickadee chĭkˈədēˌ [key], small North American bird of the titmouse family. The black-capped chickadee (Parus atricapillus), lively and gregarious, is a permanent resident over most of its range...Smithies, Oliver
(Encyclopedia)Smithies, Oliver, 1925–2017, American geneticist, b. Halifax, England, Ph.D., Oxford, 1951. Smithies was on the faculty at the Univ. of Toronto (1953–60) and Univ. of Wisconsin–Madison (1960–8...W and Z particles
(Encyclopedia)W and Z particles, elementary particles that mediate, or carry, the fundamental force associated with weak interactions. The discovery of the W and Z particles at CERN near Geneva, Switzerland, in the...Browse by Subject
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