SSS 2008-07-29

Podcast is sponsored from the people of American Chemistry, who provide the plastics, medicines, and innovations that make life modern. Learn more at Americanchemistry.com. This is Scientific Americans 60-Second Science, Im Cynthia Graber. This will

发表于:2018-12-24 / 阅读(51) / 评论(0) 分类 Scientific American(七)月

SSS 2008-07-31

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Tricky cyclists in the Tour de France sometimes cheat by upping their red blood cell count for those tough stretches through the Alps. But researchers at Calif

发表于:2018-12-24 / 阅读(60) / 评论(0) 分类 Scientific American(七)月
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