When we think about the ingredients necessary for life on Earth, liquid water is always right at the top of the list. Without it, there’s simply no good way to for transport of ions and molecules to occur. Sure, some other liquid might — in principle — be able to substitute for water, but nitrogen, carbon dioxide and methane don’t have that awesome polar structure that water has, which allows for such a wide variety of molecules to dissolve and be moved from one location to another.

from Forbes – Tech http://ift.tt/1KSIcLa
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