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发表于:2018-12-07 / 阅读(114) / 评论(0)

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They make perfect roof tiles, but these tiles occasionally reveal something extraordinary. Perfect snapshot s from 115 million years ago, back then, Solnhofen was part of a very still and salty tropic

发表于:2018-12-07 / 阅读(89) / 评论(0)

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发表于:2018-12-15 / 阅读(165) / 评论(0)

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发表于:2018-12-18 / 阅读(138) / 评论(0)

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发表于:2019-01-03 / 阅读(151) / 评论(0)

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发表于:2019-01-17 / 阅读(99) / 评论(0)

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Science and Technology 科技 Human evolution 人类进化史 You look familiar 似曾相识 Another piece of humanity's family tree is fitted into place 南方古猿sediba的发现填补了人类家族谱系的关键空白 THE opening scene of Mel B

发表于:2019-01-26 / 阅读(105) / 评论(0)

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发表于:2019-02-16 / 阅读(132) / 评论(0)

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发表于:2019-02-17 / 阅读(168) / 评论(0)

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发表于:2019-02-17 / 阅读(138) / 评论(0)

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Boy or girl? That's the first question we ask about new babies, new puppies and newly-found fossils. Fossils? Yep. Experts can tell if an ancient Egyptian mummy or a prehistoric human was a boy or a girl just by looking at the skeleton. Here's how th

发表于:2019-02-23 / 阅读(91) / 评论(0)

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A good name is sooner lost than won

a war to the knife

abrasive cutting-off machine

Brachypodium kelungense

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