单词：polymer bubble tower
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Most of us blink without thinking. But people whove sustained strokes or combat injuries can lose their ability to blink. Which is important for lubricating and cleaning the eye. Surgery is an optiona small piece of muscle transplanted from the leg c
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This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute?. [Spray sound.] Killing bugs? No. [Spray sound.] Deodorizing the bathroom? No. [Spray sound.] Checking for explosives, yes. Because chemists at the University of Califor
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DAVOS, Switzerland, Jan. 24 (Xinhua) -- German Chancellor Angela Merkel on Thursday warned of bubble driven by improper regulations on financial institutions. Addressing business and political leaders at the World Economic Forum here, Merkel called o
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