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科学美国人60秒 SSS 2014-07-22
Nothing says overeducated egghead like a pair of coke-bottle glasses. But even clichs sometimes hit the nerd on the head. Because a new study finds that nearsightedness is linked to the number of years spent in school. The findings can be viewed in t
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科学美国人60秒 SSS 2014-07-23
Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到 听力原文收集区 ，您将会获得10到30积分的奖励! Thank you！
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科学美国人60秒 SSS 2014-07-25
Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到 听力原文收集区 ，您将会获得10到30积分的奖励! Thank you！
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科学美国人60秒 SSS 2014-07-28
Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到 听力原文收集区 ，您将会获得10到30积分的奖励! Thank you！
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科学美国人60秒 SSS 2014-07-28
Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到 听力原文收集区 ，您将会获得10到30积分的奖励! Thank you！
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科学美国人60秒 SSS 2014-07-29
Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到 听力原文收集区 ，您将会获得10到30积分的奖励! Thank you！
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科学美国人60秒 SSS 2014-07-30
When you think of birds, you probably imagine their dazzling plumage or their beautiful songs. But since the days of Darwin, scientists have figured that individual species of birds should not have both: theyd either be drab virtuosos or eye candy th
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科学美国人60秒 SSS 2014-07-31
Pack rat. The name is synonymous with hoarding. And researchers have learned that pack rats can actually increase the range of foods theyre able to eat because of their collection of gut bacteria. Pack rats live in the American Southwest, where they
