Sunday, January 20, 2008

Earthquakes and microbes

We are finding more and more microbes living deep within the earth's crust. Some of them have been found several kilometers down. A new paper is Astrobiology suggests that earthquakes might be important in supplying the nutrient rich rocks that sustain the bacteria and calculations suggest that seismic events happen regularly enough to sustain microbial life in this way for billions of years.

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