(Encyclopedia) hydrothermal vent, crack along a rift or ridge in the deep ocean floor that spews out water heated to high temperatures by the magma under the earth's crust. Some vents are in areas of…
Profiles of the Columbia Astronauts by Borgna Brunner and Erin Martin Space Shuttle Columbia crew, from left to right, David M. Brown, Rick Husband, Laurel Clark, Kalpana Chawla, Michael P.…
(Encyclopedia) Colorado, University of, main campus at Boulder; state supported; coeducational; chartered 1861, opened 1877. There are campuses at Colorado Springs and Denver; the main medical campus…
(Encyclopedia) seltzer water, mineral water containing free carbon dioxide, obtained originally from springs at Niederselters, Germany. Reputed to have curative value in treating several diseases, it…
(Encyclopedia) Ragaz, BadRagaz, Badbät räˈgäts [key], town, St. Gall canton, E Switzerland, at the confluence of the Rhine and Tamina rivers. It is a spa, with hot mineral waters conducted from the…
(Encyclopedia) Palm Desert, city (1990 pop. 23,252), Riverside co., S Calif., on the Whitewater River. A suburb of Palm Springs, Palm Desert is a rapidly growing resort and retirement community.…
Senate Years of Service: 1913-1919 Party: Republican WEEKS, John Wingate, (father of Sinclair Weeks and cousin of Edgar Weeks), a Representative and a Senator from Massachusetts; born near…
Senate Years of Service: 1946-1949; 1952-1955; 1956-1973Party: Republican; Republican; RepublicanCOOPER, John Sherman, a Senator from Kentucky; born in Somerset, Pulaski County, Ky., August 23…
(Encyclopedia) mammography, diagnostic procedure that uses low-dose X rays to detect abnormalities in the breasts. Tomosynthesis, also known as 3D mammography, is form of mammography that combines X-…
(Encyclopedia) Linchuan or LinchwanLinchwanboth: lĭnˈchwänˈ [key], city (1994 est. pop. 192,800), N central Jiangxi prov., China. It is an agricultural and commercial center and a road hub, known for…