单词：tetrakis-
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This is Scientific American Sixty Seconds Science, I'm Sophie Bushwick, got a minute? When Mexican tetra fish moved into darker caves long ago, they evolved to deal with the dark by becoming albino and going blind. A new research shows that the chang
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By Alisha Ryu Nairobi 22 June 2007 In another major setback for international efforts to bring peace to Somalia, a violent power struggle between two sub-clans in the port city of Kismayo is fueling fear that an all-out clan war could erupt at any ti
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By Alisha Ryu Nairobi 01 January 2007 Somalia's interim governments says it has captured the Islamic Movement's Women wait to be brought at a funeral of a family that died from an unknown explosion in Mogadishu, 31 Dec 2006 last stronghold, followin
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DAVID GREENE, HOST: Comedian Zach Galifianakis is still best known for his role, Alan, in The Hangover movies. (SOUNDBITE OF FILM, THE HANGOVER) ZACH GALIFIANAKIS: (As Alan) There is a tiger in the bathroom. ED HELMS: (As Stu) What's going on? GALIFI
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10 Getting The Lead Out 第十章 把铅撵出去 In the late 1940s, a graduate student at the University of Chicago named Clair Patterson (who was, first name notwithstanding, an Iowa farm boy by origin) was using a new method of lead isotope measur
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