Curiosity rover's rock sample reveals favorable conditions for life.
Quote:
The conclusion was based on the Curiosity rover's analysis of a rock sample drawn from an ancient stream bed on the Red Planet.
The sample contained sulfur, nitrogen, hydrogen, oxygen, phosphorus and carbon -- "some of the key chemical ingredients for life," NASA said.
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Interesting, I'm not a scientist but I think Sulfur is a by-product of oil and natural gas, Phosphorus is found in fossils,bone ash and even pee and of course Carbon is a big part of all life forms.