A comet DID wipe out first North American prehistoric humans: Ice core data suggests a cosmic impact killed off Clovis people

A comet 12,900 years ago could have led to the demise of the Clovis people in North America. This is according to researchers at Harvard University who have found a layer of platinum in an ice core in Greenland. Read More Home | Mail Online http://www.dailymail.co.uk/home/index.html?ITO=1490&ns_mchannel=rss&ns_campaign=1490

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