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New Data Shed Light on Large-Animal Extinction

Whenever modern humans reached a new continent in the expansion from their African homeland 50,000 years ago, whether Australia, Europe or the Americas, all the large fauna quickly disappeared. This circumstantial evidence from the fossil record suggests that peopleâ??s first accomplishment upon reaching new territory was to hunt all its all large animals to death. But apologists for the human species have invoked all manner of alternative agents, like climate change and asteroid impacts.