What Slew An Ancient Mastodon? DNA Tells Tale

CT scans and new DNA technology indicate that a bone sharpened into a spear was used to kill a mastodon in the northwestern U.S. 13,800 years ago. The research revisits an old debate about the evidence for an early hunt in North America.

Source: http://www.npr.org/2011/10/20/141549739/what-slew-an-ancient-mastodon-dna-tells-tale?ft=1&f=1007

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