Evidence for ancient life on Mars could be just below surface, new study finds - CSMonitor.com - discu.eu

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Evidence for ancient life on Mars could be just below surface, new study finds (+video) - CSMonitor.com http://www.csmonitor.com/science/2012/0706/evidence-for-ancient-life-on-mars-could-be-just-below-surface-new-study-finds-video 18 comments 7/7/2012 science