Erwan Roussel and colleagues help extend the known range of life with evidence suggesting that the sub-sea-floor biosphere extends to at least 1600 meters below the sea floor and probably deeper, with an upper temperature limit for prokaryotic life of at least 113°C (see this article, part of a special issue on microbial space in Science).
This would surely have pleased Imre Friedman.
26 May 2008
The living rock
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