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Fluid

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shvarz:
This is not true with liquid methane

Well, if you are willing to assume that there may be lipid membranes able to survive in ammonia, then why not assume that there may be membranes that will survive in methane?  Just turn them inside out - polar sides in, hydrophobic sides out :)

Zelos:
what does that help? they will wander away cause there is nothing keeping them togather

and shvarz, be mroe open to possibilities. Maybe the alien to visit us/we visit them might be ammonia based and you think "holy shit, you can be based on ammonia"

shvarz:
No-no, I am fully open to ammonia-based life.  It is you, who is set on a certain idea - "life requires polarized fluid".

Maybe the alien to visit us/we visit them might be not based on liquid and you think "holy shit, you don't have to be based on liquid"

shvarz:

--- Quote ---they will wander away cause there is nothing keeping them togather
--- End quote ---

Of course there is - same forces that keep lipids together in water.  Exactly the same.

Numsgil:

--- Quote ---This is not true with liquid methane

Well, if you are willing to assume that there may be lipid membranes able to survive in ammonia, then why not assume that there may be membranes that will survive in methane?  Just turn them inside out - polar sides in, hydrophobic sides out :)
--- End quote ---
I won't pretend to be more than a passing ameteur at this, but that actually sounds plausible to me.

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