Old Marks

The epigenome can be detected in some ancient human remains, the New Scientist reports. Following a report last year that DNA methylation could be detected in 26,000-year-old bison bones, the University of Texas at Austin's Rick Smith collected a number of ancient human remains for testing. He presented his work last week at the American Association of Physical Anthropologists in Knoxville, Tenn., New Scientist adds.

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