Mass Extinction
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Humans: Cause Of Extinction Of Nearly 500 Species Since 1900
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Asteroid 'Double Whammy' May Have Triggered Massive Volcanic Eruptions, Ended Dinosaurs' Reign On Earth
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Should Earth's List Of Mass Extinction Events, Now At Five, Be Expanded To Six?
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Acidic Oceans Caused Earth's Greatest-Ever Extinction Event
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New Theory Suggests Dark Matter Caused Dinosaur Extinction And It Might Strike Again
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Mass Extinctions: Plants Are Resilient, Animals Are Not
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Volcanoes Are Latest Suspect in Dinosaur Extinction
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How Did Gamma Ray Bursts Affect Extinction Events in Earth's Past?
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Smithsonian Documentary 'Mass Extinction: Life at the Brink' a Scary Warning about How Humans Are Accelerating Their Own Destruction
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Dinosaurs shrank and evolved into birds to survive
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What really killed the dinosaurs? It may have been 'bad luck'
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Earth on verge of sixth mass extinction? New study believes so
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