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echo: evolution
to: All
from: Tim Tyler
date: 2004-09-14 21:52:00
subject: Re: Fist replicators: Fre

Brett Aubrey  wrote or quoted:
> > On Sun, 12 Sep 2004 18:23:23 +0000 (UTC), Tim Tyler 

> > >Quite a few OOL scenarios put the OOL on the ocean floor.
> > >Others invoke evaporative tidal pools.
> > >I'd say that the odds were that the water was pretty salty.
> 
> I was aware of thermal vents and tidal pools; but thought there might
> fresh water scenarios based of my "stunning logic"  ;-)  that I hadn't
> heard about. [...]

Not impossible.  Life /could/ have begun in fresh-water lakes, if
conditions there have some particularly OOL-favourable characteristics.

We don't know in detail what conditions the OOL needed - so such
scenarios must stay on the table.

My money would probably go on the ocean, though:

There's a /lot/ of it - it's fairly well protected from radition - it
is fairly stable - and I suspect its saltiness isn't that big a deal.
-- 
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