The 1-2 Punch of the End-Cretaceous Extinction

To paraphrase Rob Base and DJ EZ Rock, it takes two to make a thing go horribly, awfully wrong. And so it was with the tag team of terror — asteroid impact and volcanism — that ended the Age of Dinosaurs some 66 million years ago. But new research suggests that prevailing theories may have gotten the story wrong.

To recap: the fossil record tells us that 66 million years ago, dinosaurs were living large and in charge. Recent research suggests the diversity of species had been in decli

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