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Young Men's Christian Association

(Encyclopedia)Young Men's Christian Association, (the Y or YMCA), organization having as its objective the development of values and behaviors that are consistent with Christian principles. Despite its name, member...

Broderick, David Colbreth

(Encyclopedia)Broderick, David Colbreth brōˈdərĭk [key], 1820–59, American politician, b. Washington, D.C. Brought up in New York City, he was active in Tammany Hall before moving to California in 1849. He be...

lightning

(Encyclopedia)lightning, electrical discharge accompanied by thunder, commonly occurring during a thunderstorm. The discharge may take place between one part of a cloud and another part (intracloud), between one cl...

Bode's law

(Encyclopedia)Bode's law [for J. E. Bode], also known as Titius's law or the Titius-Bode law, empirical relationship between the mean distances of the planets from the sun. If each number in the series 0, 3, 6, 12,...

satellite, natural

(Encyclopedia)satellite, natural, celestial body orbiting a planet, dwarf planet, asteroid, or star of a larger size. The most familiar natural satellite is the earth's moon; thus, satellites of other planets are o...

Velázquez, Diego Rodríguez de Silva y

(Encyclopedia)Velázquez, Diego Rodríguez de Silva y rôᵺrēˈgāth ᵺā sēlˈvä ē vāläthˈkāth [key], 1599–1660, b. Seville. He was the most celebrated painter of the Spanish school. Velázquez's dev...

Clayton-Bulwer Treaty

(Encyclopedia)Clayton-Bulwer Treaty, concluded (Apr. 19, 1850) at Washington, D.C., between the United States, represented by Secretary of State John M. Clayton, and Great Britain, represented by the British plenip...

Browne, Sir Thomas

(Encyclopedia)Browne, Sir Thomas, 1605–82, English author and physician, b. London, educated at Oxford and abroad, knighted (1671) by Charles II. His Religio Medici, in which Browne attempted to reconcile science...

Thurow, Lester Carl

(Encyclopedia)Thurow, Lester Carl tho͝orˈō, thərōˈ [key], 1938–2016, American economist, b. Livingston, Mont.; B.A. Williams College, 1960; M.A. Oxford, 1962; Ph.D. Harvard, 1964. Professor of management an...

Young, Thomas

(Encyclopedia)Young, Thomas, 1773–1829, English physicist, physician, and Egyptologist. He established (1799) a medical practice in London and was elected (1811) to the staff of St. George's Hospital there. His l...