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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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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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Hair extensions are not new. Scientists unearth 3,000-year-old Egyptian woman with hair extensions
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