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Published online 5 July 2007 | Nature | doi:10.1038/news070702-14
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DNA reveals a green Greenland
Old forests hint that the island has been icy for 450,000 years.
Scientists have drilled through two kilometres of ice in southern Greenland and retrieved DNA from the pine forest that once existed there, buzzing with prehistoric insect life. Dated to between 450,000 and 800,000 years old, the DNA is among the oldest ever found.
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