Columbia Encyclopedia

(Encyclopedia) Eddy, Mary Baker, 1821–1910, founder of the Christian Science movement, b. Bow, N.H. As physical frailty prevented her regular school attendance, she spent the early part of her education learning a...

(Encyclopedia) curium kyo͝orˈēəm [key], artificially produced radioactive chemical element; symbol Cm; at. no. 96; mass no. of most stable isotope 247; m.p. about 1,340℃; b.p. 3,110℃; sp. gr. 13.5 (calculate...

(Encyclopedia) Sigismund I, 1467–1548, king of Poland (1506–48), son of Casimir IV. Elected to succeed his brother, Alexander I, Sigismund faced the problem of consolidating his domestic power in order successfu...

(Encyclopedia) Waldenses wôldĕnˈsēz [key] or Waldensians, Protestant religious group of medieval origin, called in French Vaudois. They originated in the late 12th cent. as the Poor Men of Lyons, a band organize...

(Encyclopedia) mountain climbing, the practice of climbing to elevated points for sport, pleasure, or research. Also called mountaineering, it is practiced throughout the world. Many mountain climbing clubs have...

(Encyclopedia) Gettysburg campaign, June–July, 1863, series of decisive battles of the U.S. Civil War. The Gettysburg battles included more than 160,000 soldiers and many camp laborers. These included thousands ...

(Encyclopedia) Rocky Mountains, major mountain system of W North America and easternmost belt of the North American cordillera, extending more than 3,000 mi (4,800 km) from central N.Mex. to NW Alaska; Mt. Elbert (1...

(Encyclopedia) Brook Farm, 1841–47, an experimental farm at West Roxbury, Mass., based on cooperative living. Founded by George Ripley, a Unitarian minister, the farm was initially financed by a joint-stock compan...

(Encyclopedia) psychotherapy, treatment of mental and emotional disorders using psychological methods. Psychotherapy, thus, does not include physiological interventions, such as drug therapy or electroconvulsive the...

(Encyclopedia) Queensland, state (2016 pop. 4,703,193), 667,000 sq mi (1,727,200 sq km), NE Australia. Brisbane is the capital; other important cities are Gold Coast, Toowoomba, Townsville, Rockhampton, Cairns, and ...