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Crows as intelligent as a seven-year-old child? Research says 'yes!'
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Lesser prairie chicken classified as 'Threatened,' authorities blame habitat shrinkage
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Mars One plans life-sized Martian habitat on Earth
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Climate change has a $100 bn per year tab for humans says UN panel
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Comet Siding Spring, heading toward Mars, seen with two tails by Hubble
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Soyuz spacecraft with US-Russian team successfully links with International Space Station
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