What led to the late Pleistocene extinction of North American Megafauna? The old theory was hunting by the newly arrived human population. But now...
One team of scientists thinks it knows what killed the woolly mammoth and other ice-age creatures. In a paper published this week in the Proceedings of the National Academy of Sciences, they say they have evidence that a comet or other low-density space object exploded in the upper atmosphere of the Earth about 13,000 years ago, possibly leading to the extinction of mammoths and the decline of Stone Age people. We'll talk about their findings.
Teachers, find more information about using Science Friday as a classroom resource in the Kids' Connection.
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