Quote:
Originally Posted by Flyndaran
The reason is that "dead" dry things are hard to kill. They survive by desiccating themselves to metabolic stoppage. Damaging living cells is easiest when they're dividing and active. No water to boil, and no mitosis to screw up. Also they can't survive the centuries or millennia it takes to drift to even a close planet.
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You never know. I mean, we've gone and resurrected seeds frozen for over 10,000 years, so...lasting several millennia isn't an issue for life.