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IFLScience

@iflscience

The lighter side of science.

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linkhttps://www.iflscience.com/ calendar_today21-09-2012 19:48:33

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3 months ago

Roughly 400 million years before the dino-killer asteroid, the world was already testing out its appetite for apocalypse with a little-known event called the Late Ordovician mass extinction. iflscience.com/the-ordovician…