UPDATE!:
NEW SCIENTIST HAS RETRACTED THIS STORY. THESE CRACKS IN THE ROCK AIN’T PUDDLES.
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Hey science whizzes. This is not hard evidence, but looks very interesting, and adds to some acccumulated evidence that LIQUID WATER EXISTS ON THE SURFACE OF MARS.
http://space.newscientist.com/article/dn12026-mars-rover-finds-puddles-on-the-planets-surface.html
Is it really water? Well, probably not drinkable. Probably it is extremely briny (to remain liquid under such low pressures) and might be heavily dissolved with sulfuric acid, CO2 and/or ammonia. But, still, a solvent for life.
Cool.
