This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. On its opening day, 90,000 tourists traipsed across the London Millennium Bridge. That pitter patter of pedestrian feet caused the structure to visibly r
发表于:2018-12-02 / 阅读(86) / 评论(0)
Scientific American(十二)月
This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Women are so much better than men at so many things. But according to a report published by the Royal Society, chess is not one of them. The topic of sex
发表于:2018-12-02 / 阅读(86) / 评论(0)
Scientific American(十二)月