[MD] LC Comments

[Ian Glendinning]

Don't believe their cellular / reproductive life is sulphur-based is
it - more the energy and nutrient extracting eco-system - sulphur and
heat as opposed to chlorophyll and light ?

That would be a turn-up for the books though, if true - non-DNA / RNA
biological life on earth.

Ian

On Mon, Jul 12, 2010 at 9:20 AM, Magnus Berg <McMagnus at home.se> wrote:
> Hi Horse and Dan
>
> On 2010-07-11 23:55, Horse wrote:
>>
>> DNA is information about life - it's not life itself. Biological
>> patterns are self-replicating perpetuating patterns which emerge from
>> inorganic patterns so I don't see any reason why life can't exist on a
>> computer. Carbon based life uses DNA to transmit information about how
>> to build and replicate living entities from the simplest single-celled
>> creature up, so there is no reason to suppose that other alternate
>> life-forms (not necessarily based on carbon) can't use something similar
>> to DNA to transmit information about how build and replicate alternate
>> forms of life.
>
> Yes, that too. It's not really life at all, just blueprints.
>
> Also, regarding Dan's comment about Cassini and Huygens at Saturn (and on
> Titan). Does anyone here know more about those sulphur based worms near the
> lava vents on the bottom of the Atlantic? I mean, since they are not carbon
> based, it's pretty hard to imagine they using DNA for their blueprints, nor
> amino acids, proteins etc. etc. We probably don't have to send zoologists to
> Titan to find non DNA based life, just a few 1000 m down under the Atlantic
> surface will suffice.
>
>        Magnus
>
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