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"NASA is leaning closer to answering the age-old question, \u201CIs there life on other planets?\u201DLast August, NASA landed a rover named Curiosity on Mars..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.opposingviews.com/i/technology/gadgets/nasa-scientists-claim-curiosity-found-proof-life-could-have-been-sustainable>