30,000-year-old bison gives up secrets
3 Feb 2012

Thirty-thousand-year-old bison bones discovered in permafrost at a Canadian goldmine are helping scientists to unravel the mystery about how animals adapt to rapid environmental change.
The bones play a key role in a world-first study, led by University of Adelaide researchers, which analyses special genetic modifications that turn genes on and off, without altering the DNA sequence itself.
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