I read that NASA looks for water on Mars or other planets as a sign of a life.
I wonder why scientists look for water as proof of a life? isn't there any animal that drinks another liquid like alcohol or something?
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duplicate: "An identical copy; a facsimile." please see the definition of the duplicate on http://www.thefreedictionary.com/duplicate it is not a duplicate... – İnci siker Jul 23 '13 at 16:27
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A "duplicate" means the same or a very similar question has already been asked and has one or more sufficient answers. If there is something that has not been addressed to your satisfaction, feel free to edit your question to explain what further information you're looking for. – MattDMo Jul 24 '13 at 00:09
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sorry, I shouldn't have fed the troll... – MattDMo Jul 24 '13 at 00:25
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Water is not a proof of life. It is just indicating that life might be possible there. – vsz May 02 '14 at 15:01