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Something was killing off dinosaurs long before they went extinct - and it could turn popular history on its head

Emmanuel Ocbazghi,Jessica OrwigApr 20, 2016, 02:45 IST

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British research discovered the disappearance of dinosaurs millions of years before they went extinct. Populations weren't multiplying as fast as they were dying off. What could have been the cause?

Produced by Emmanuel Ocbazghi. Original reporting by Jessica Orwig.

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