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This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? February 28th is International Sword Swallowers Awareness Day, according to practitioner Dan Meyer, who recently demonstrated the technique at the AAAS meeting in Chic
发表于:2018-12-24 / 阅读(63) / 评论(0)
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UNIT 8 Making an Apology Integrated Skills Development Passage Addressing the First-Name Custom The first-naming is almost always done by people young enough to be our children. Last year, I sprained
发表于:2019-01-02 / 阅读(145) / 评论(0)
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A new flexible smartphone design could change the way users interact with their devices. ReFlex, developed by researchers at Queen's University, uses 'bend sensors' to control app interactions, and simulates physical forces through detailed vibration
发表于:2019-02-17 / 阅读(57) / 评论(0)
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