Ancient yucca chaws yield ancient DNA

In a groundbreaking study, two Harvard scientists have for the first time extracted human DNA from ancient artifacts. The work potentially opens up a new universe of sources for ancient genetic material, which is used to map human migrations in prehistoric times.

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<p><a href="http://www.physorg.com/news107787862.html">Ancient yucca chaws yield ancient DNA</a></p> <p>In a groundbreaking study, two Harvard scientists have for the first time extracted human DNA from ancient artifacts. The work potentially opens up a new universe of sources for ancient genetic material, which is used to map human migrations in prehistoric times.</p>