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2010 Gulf Oil Spill Timeline

by Dana J. Quigley and Catherine McNiff Source: U.S. Coast Guard April | May | June | July | August | September | November | December | February 2011 | March 2011…

The House of Representatives

In the following lists, the numeral indicates the congressional district represented; AL is for representatives at large. All terms run from Jan. 2007 to Jan. 2009. See also: Current and historical…

DK Earth: Human Impact

HOW DOES FARMING CHANGE THE LANDSCAPE? HOW DOES INDUSTRY AFFECT THE LANDSCAPE? WHAT CHALLENGES FACE THE HUMAN POPULATION? POLLUTIONGLOBAL WARMINGFIND OUT MOREOver six billion people live on planet…

Smokey Bear

Smokey Bear A friend of our forests for more than half a century by Holly Hartman MONSTER'S POLL Who's your favorite bear…

Black Basketball Players

  Notable African-American Basketball Players       Browse by category: A-Z List Government Officials Civil Rights Leaders…

shock

(Encyclopedia) shock, any condition in which the circulatory system is unable to provide adequate circulation to the body tissues, also called circulatory failure or circulatory collapse. Shock…

Kennedy, Ted

(Encyclopedia) Kennedy, Ted (Edward Moore Kennedy), 1932–2009, U.S. senator from Massachusetts (1962–2009), b. Boston, Mass., youngest son of Joseph P. Kennedy and the last survivor of brothers…

cerium

(Encyclopedia) ceriumceriumsērˈēəm [key] [from the asteroid Ceres], metallic chemical element; symbol Ce; at. no. 58; at. wt. 140.116; m.p. 799℃; b.p. 3,426℃; sp. gr. 6.77 at 25℃; valence +3 or +4.…

Birth and Death of a Star

QT_WriteOBJECT('/images/star-death-birth.mov', 320, 240, '' ); This animation illustrates the process of triggered star formation. First, a massive star in its final death throes explodes or "…