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"New York, Aug 8: Researchers have discovered evidence of an ancient lake on Mars that likely represents some of the last potentially habitable surface water ever to exist on the red planet. Researchers at the University of Colorado at Boulder, examined an 18-square-mile chloride salt deposit in t.."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.ap7am.com/english-news-14727-signs-of-a-lake-found-on-mars.html>