Research supports theory that asteroid caused mass extinction.
Contrary to previous understanding, lizards and snakes were nearly wiped out along with the dinosaurs 65 million years ago, say researchers. Paleontologist Dr. Nicholas Longrich, of Yale University, and his colleagues report their findings today in the Proceedings of the National Academy of Sciences. "The dinosaurs were wiped out entirely, but just because lizards and snakes survived, it doesn't mean they weren't affected," said Longrich.
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