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Scientific American(九)月

  • 科学美国人60秒 SSS 2013-09-24 Cerumenis a lovely word especially considering that is means earwax.And we're nothingonly species that produces the stuff.Some whales built up waxes along withlipids and charaten protein into what's called earplugs.And now researchers nowknow that ex
  • 科学美国人60秒 SSS 2013-09-25 Cerumen, it's a lovely word a specially considering that's called ear wax. And we are not the only species that produce this stuff, some whales build up waxes along with lipids and carotene protein into what's called earplugs. And researchers now kno
  • 科学美国人60秒 SSS 2013-09-26 The midday nap is preschool tradition,but is it necessary?some preschool plan to eliminate this down time to fit in more teaching,which could come the expensive learning,because the study suggests that the news may help kids to retain the information
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