Can you think of a place on Earth where there is free water but no microbes? (A sterile flask of nutrient broth in a lab or an IV bag in a hospital don't count.)
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Amanda,
We meant to stipulate "other than in tissues of animals and plants not in contact with the environment" but omitted that. No matter, thanks for the comment.
Elio
Posted by: Elio Schaechter | September 23, 2008 at 08:49 AM