SSS 2010-07-29

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will take just a minute. Whats in a neck? Well, its a good place to hang a pendant or a tie. Or to rest your head. Now scientists say that by separating our heads from our bodies,

发表于:2018-12-24 / 阅读(34) / 评论(0) 分类 Scientific American(七)月

SSS 2010-07-30

This is Scientific Americans 60-Second Science, Im Karen Hopkin. This will just take a minute. Some people pay big bucks for a designer handbag or a luxury carand the distinctive logo that goes along with them. Now scientists have learned that other

发表于:2018-12-24 / 阅读(46) / 评论(0) 分类 Scientific American(七)月
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