(Encyclopedia) corundumcorundumkərŭnˈdəm [key], mineral, aluminum oxide, Al2O3. The clear varieties are used as gems and the opaque as abrasive materials. Corundum occurs in crystals of the hexagonal…
(Encyclopedia) state flowers. Each state of the United States has designated, usually by legislative action, one flower as its floral emblem; the rose has been designated by Congress as the national…
(Encyclopedia) Carrington, Henry Beebee, 1824–1912, U.S. army officer and historian, b. Wallingford, Conn., grad. Yale, 1845, and afterward studied at Yale Law School. Carrington ably reorganized the…
Did you know that skiing was originally a form of transportation in the mountains of Europe, well before it became a sport?Now there are many types of skiing for athletes of all ages to enjoy.…
WASHBURN, Henry Dana, a Representative from Indiana; born in Windsor, Vt., March 28, 1832; attended the common schools; became a tanner and a currier; taught school for several years; moved to…
World News | Business/Science News Here are the key events in United States news for the month of March 2009. Three of Four Still Missing After Boat Capsizes (Mar. 2…
Top Picks: By all means, run to the theater The Horse WhispererRobert Redford's sharp directing turns Evans's mawkish best-selling novel about a teenage girl's recovery from a horseback-riding…
(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…
(Encyclopedia) Smith, Jedediah Strong, 1799–1831, American explorer, one of the greatest of the mountain men, b. near Binghamton, N.Y. Early in 1824, Smith took a party through South Pass, beginning…
