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Just finished reading "The Origin of Life" by Paul Davies. Very interesting and thought provoking. He is feels that there alomst certainly was life on Mars, but probably not (on the surface at least) for the last 3 billion years. However, as microbial life has been detected living deep within the Earth's crust, Paul Davies feels that it is not impossible that life may still exist deep under the surface of Mars. If this is the case, then Phoenix is unlikely to collect anything actually living, but may perhaps collect evidence of things formerly living. Who knows?
Anyway, I've gone on from Origin of Life to "Quantum Evolution" which seems like it may be at least as thought provoking as the former.
Regards
Stuart
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