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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

发表于:2018-12-24 / 阅读(175) / 评论(0) 分类 Scientific American(一)月

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

发表于:2019-01-03 / 阅读(154) / 评论(0) 分类 医务英语

The planet also began releasing oxygen, thanks to an ancient adoption of photosynthesis. A very ancestral primitive plant cell either engulfed or tried to digest or surrounded a cyanobaterium and instead of digesting it, it actually became an organ w

发表于:2019-01-23 / 阅读(144) / 评论(0) 分类 探索与发现2014年

 Superglue 强力胶 Male: Help!Help! Female:What's wrong? M: I was fixing my coffee cup with superglue .And I must have got some on my fingers but I scratch my forhead.And now my hand is stuck to my head. F: Superglue ? Cool! What makes supergl

发表于:2019-01-26 / 阅读(119) / 评论(0) 分类 英语听力文摘 English Digest

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

发表于:2019-02-17 / 阅读(186) / 评论(0) 分类 万物简史
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