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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
T Tanshinone IIA 丹参酮IIA Tanshinone I 丹参酮I Tanshinone IIB 丹参酮IIB Taraxasterol 蒲公英甾醇 Taraxerol 蒲公英赛醇 Tauro ursodesoxy cholic acid 牛磺熊去氧胆酸 Taxifolin 花旗
By Lisa Schlein Geneva 04 August 2007 The United Nations Children's Fund says it is concerned that tens of thousands of primary school children in flood-stricken parts of Pakistan will miss out on school, because it has not received much-needed fundi
Pakistan's President Pervez Musharraf has made his first public remarks since political opponents announced their intention to impeach him. In a televised speech marking Pakistan's 61st independence anniversary, the president called for political re
Photo: AP People transport a victim of suicide bombing at a local hospital in Bannu, Pakistan, 01 Jan 2010 A suicide bomber set off an explosive-laden vehicle on a field during a volleyball match in northwestern Pakistan, killing at least 88 people.
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