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科学美国人60秒 SSS 2014-2-25
Dogs make great listeners, and that maybe because man and man's best friend use analogous brain regions to process voices. Researchers collected almost 200,000 samples including humane-akin vocalizations, as well as environmental noises and silence.
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科学美国人60秒 SSS 2014-2-26
This is Scientific American-Sixty Seconds Science. I'm Chris *. Got a minute? I'm guessing you brush twice a day, or aspire to. Our ancestors were a little less diligent. But that's a good thing for scientists, because ancient placode teeth are like
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科学美国人60秒 SSS 2014-2-27
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 2014-2-28
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！
