Animals
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Oxygen formation in one new step: Study reveals secret of lifeless Earth
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Professors dive under the sea to teach from underwater lodge
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Cerebellum evolved at amazing speed: Did it make us human?
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Earth's seas still hiding secrets, satellites reveal thousands of cool features
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Is 'group selection' a thing? Spiders support an evolutionary, revolutionary idea
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Sharks have distinct personalities like humans - they can be social or solitary
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New seafloor map is stunning and most detailed ever: Ocean's best-kept secrets now revealed
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Braveheart drone gets up, close and personal with Bardarbunga volcano eruption: Watch amazing video footage
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Central Park is a massive microbe universe: 167,000 species teeming under the soil
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Nobel-prize winning physicist Martin Perl passes at age 87
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U.S. may keep nuclear warheads handy for giant asteroid threat
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Chimps experience Cultural Revolution by sharing new tools
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