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What actually killed the dinosaurs? Volcanic clues heat up debate.

What actually killed the dinosaurs? Volcanic clues heat up debate.

National Geographic - Michael Greshko

Two studies agree that ancient eruptions likely played a supporting role in the mass extinction. But the devil is still in the details. Ask someone how the dinosaurs died, and chances are they will tell you about an apocalyptically bad day 66 million years ago, when a huge asteroid slammed into …

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