From the article you cite:
Quote:
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'The team believes this occurred towards the tail end of Mars's wet period, perhaps between 4 billion and 3.5 billion years ago, as the planet grew drier and drier.'
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Not relavant to this current deabte in any way. We're talking about puddles of water, today, on slopes in excess of 20 degrees and more like 40 degrees...something that defies the laws of physics.
If the image in question is not in the paper - then why is it cited - with a credit to Levin - in the NS article?