quote:
t's not that it happens once, and never again. It's that once it happens - once life really takes off - it can never happen again. Proto-life can't compete with real-life, and so it never gets a chance.
I would have thought this was obvious.
I don't think this is at all obvious.
I see no reason why abiogenesis could not have happened at more than one place and time. Life as we know it might indeed have has multiple starting points.
I see no reason why abiogenesis could not be happening even in the present.
Moose
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