DNA shows that last woolly mammoths had North American roots

In a surprising reversal of conventional wisdom, a DNA-based study has revealed that the last of the woolly mammoths—which lived between 40,000 and 4,000 years ago—had roots that were exclusively North American.

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<p><a href="http://www.physorg.com/news139749841.html">DNA shows that last woolly mammoths had North American roots</a></p> <p>In a surprising reversal of conventional wisdom, a DNA-based study has revealed that the last of the woolly mammoths—which lived between 40,000 and 4,000 years ago—had roots that were exclusively North American.</p>