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U.S. Energy Sources, 2006–2012
Here's a breakdown of the sources of energy in the United States for years 2006, 2009–2012: 2012 Oil 35% Natural gas 25% Coal 20% Nuclear 8%…Earth Day
Spikes in prices raise awareness of the need to conserve resources Earth Day was first celebrated in 1970, a result of the efforts of Sen. Gaylord Nelson (D-Wis.), a passionate advocate of…2012 World News: Israel
Israel Focuses on Iran and Internal Politics Benjamin Netanyahu Related Links Israel Country Profile Iran Profile 2012 Year in Review 2012 News of the…August 2005
WorldSudan Leader Killed in Crash (Aug. 1): Government confirms that John Garang, leader of the opposition Sudan People's Liberation Army (SPLA) who was recently named vice president, had…April 2011 Current Events: Disasters & Science News
World News | U.S. News Here are the key events in Science and Disasters news for the month of April 2011. Gunman Opens Fire at Former School in Brazil (April 7): A 23-year-old former student…rutherfordium
(Encyclopedia) rutherfordiumrutherfordiumrŭᵺˌərfôrˈdēəm [key], artificially produced radioactive chemical element; symbol Rf; at. no. 104; mass number of most stable isotope 265; m.p., b.p., and sp.…lithium
(Encyclopedia) lithiumlithiumlĭthˈēəm [key] [Gr.,=stone], metallic chemical element; symbol Li; at. no. 3; interval in which at. wt. ranges 6.938–6.997; m.p. about 180.54℃; b.p. about 1,342℃; sp. gr…April 2010 Current Events: U.S. News
World News | Business News | Science/Disasters News Here are the key events in United States news for the month of April…Leo Szilard
Leo Szilard Born: 1898Birthplace: Budapest, Hungary Nuclear reactor—Szilard was awarded a patent for the nuclear fission reactor along with Enrico Fermi. Throughout his life, Szilard made…ship
(Encyclopedia) ship, large craft in which persons and goods may be conveyed on water. In the U.S. Navy the term boat refers to any vessel that is small enough to be hoisted aboard a ship, and ship is…