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World's Rarest Cat Species Boosted by  A female lynx in a captive-breeding program stalks Spain's Donñana N...
Scientists Link Extinctions, Rising T  A NASA world map plots the annual average rise in surface air temperatures ...
Moonlet Study Sheds Light on Origins   Saturn's rings are seen here in a panoramic mosaic of 165 images taken by t...
Canal Linking Ancient Egypt Quarry to  Experts have discovered a canal at an Aswan rock quarry that they believe w...
尼安德特人活动范围向东延伸数千公里 Neandertals Ranged Much Farther East Than Thought Neandertals made it all ...
尼安德特人可能和现代人类有同样的“语言  Neandertals Had Same "Language Gene" as Modern Humans Neandertals might ha...
发现最古老的爬行动物脚印 Oldest Known Reptile Tracks Found October 18, 2007—Newly found fossilized...

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