单词:tetrachotomosulcate
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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
MARY LOUISE KELLY, HOST: We're going to hear now about the two sides of life in the Iraqi city of Mosul. It has been three months since ISIS was forced out of the city. The fighting reduced one side, the west, to ruins. The eastern side of Mosul, tho
Terrorists stepped up their attacks inside Iraq Monday, setting off explosions in Baghdad and Mosul that killed at least 33 people. Edward Yeranian has more on the latest violence in this report from Cairo. Iraqi security personnel secure the site o
Officials from Iraq's Interior Ministry have said that security forces have launched a fresh advance against ISIL in several southeastern districts of Mosul. Fighting in the city stalled about a month ago but authorities say forces are now advancing
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