28 August 2007
An international team of scientists believe they have strong evidence that bacteria trapped in permafrost are able to survive for hundreds of thousands of years by repairing their DNA.
If Eske Willerslev of the University of Copenhagen, Denmark and his colleagues are correct, then the findings could mean that the frozen poles of Mars and Jupiter's moon Europa could also harbour ancient life. But experts on microbial survival contacted by Chemistry World were split on the significance of the findings, published in the Proceedings of the National Academy of Sciences this week.
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