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From Hattie to The Help

A History of African-Americans at the Oscars by Jennie Wood   Hattie McDaniel, the first African-American to win an Oscar.   RELATED LINKS Minority Oscar Winners in Major…

molybdenum

(Encyclopedia) molybdenummolybdenumməlĭbˈdənəm [key] [Gr.,=leadlike], metallic chemical element; symbol Mo; at. no. 42; at. wt. 95.96; m.p. about 2,617℃; b.p. about 4,612℃; sp. gr. 10.22 at 20℃;…

ultraviolet astronomy

(Encyclopedia) ultraviolet astronomy, study of celestial objects by means of the ultraviolet radiation they emit, in the wavelength range from about 90 to about 350 nanometers. Ultraviolet (UV) line…

zinc

(Encyclopedia) zinc, metallic chemical element; symbol Zn; at. no. 30; at. wt. 65.38; m.p. 419.58℃; b.p. 907℃; sp. gr. 7.133 at 25℃; valence +2. Zinc is a lustrous bluish-white metal. It is found in…

Projected NBA Lottery Picks

Projected Draft Lottery Picks (#1–13) 1. Los Angeles ClippersMike Bibby, PG, 6'2 (Arizona) The Clippers always find a way to mess things up. While Maurice Taylor ('97 pick) is the only…

DK Science: Atmosphere

AURORASLAYERS OF THE ATMOSPHEREOZONE LAYERFIND OUT MOREPRESSURE SYSTEMSThe Earth would be as lifeless as the Moon without the atmosphere – a blanket of gases surrounding the planet and…

DK Science: Climate

EQUATORIAL FORESTCLIMATE ZONESHEAT FROM THE SUNMOUNTAIN CLIMATESCOASTAL CLIMATESSEASONSFIND OUT MOREEvery part of Earth has its own climate – the typical pattern of weather over a long period…

1962 Grammy Awards

Record of the Year“I Left My Heart in San Francisco,” Tony BennettAlbum of the YearThe First Family, Vaughn Meader (Cadence)Song of the Year“What Kind of Fool Am I,” Leslie Bricusse and Anthony…

Rare and Deadly Diseases: Legionnaires' Disease

Legionnaires' DiseaseRare and Deadly DiseasesIntroductionHemorrhagic FeversEbola: Africa's Bloody DiseaseMarburgHantavirus: Four Corners, United StatesMad Cow DiseaseCJD: Mad Cow's Human…

Philadelphia, Pa.

Mayor: Michael Nutter (to Jan. 2016) 2010 census population (rank): 1,526,006 (5); Male: 719,813 (47.2%); Female: 806,1933 (52.8%); White: 626,221 (41.0%); Black: 661,839 (43.4%); American…