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Water of our solar system predates our sun; Here’s how scientists know
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How did birds evolve from dinosaurs? New clues help tell the story
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Third U.S. Ebola patient is now Ebola-free: Dr. Rick Sacra released from hospital
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Arctic, Antarctic regions reveal sub-ice world in new atlas edition
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Restoring the Great Lakes: EPA’s plan to improve world’s largest freshwater source
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Incredible India and its amazing MOM
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UN vows to end deforestation by 2030: Here's how
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Alcohol: Love it or leave it? The answer might depend on your genes
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Raising chimpanzees apart from other chimps hurts them in the long run, says study
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U.N. Climate Summit: U.S., other countries pledge to reduce deforestation
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West coast warming? Blame it on Pacific winds, not humans
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Shape-shifting UFO? Clouds? Nope, just migrating Monarch butterflies showing up on radar
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