Are We Sabotaging Our Search For Life On Mars?

Something on Mars has the same DNA as life on Earth: bacteria! How does this happen and why is it a bad thing?

There’s Water On Mars! Here’s Everything You Need to Know ►►►►http://dne.ws/1MVmzQf
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Could Earth Germs Colonize Mars?
http://news.discovery.com/space/alien-life-exoplanets/earth-bacteria-may-survive-the-pressures-of-life-on-mars-130306.htm
“Since its daredevil landing on Mars last summer, NASA’s Curiosity rover has been avidly exploring its new home in Gale Crater. But there’s been one worry that several people have voiced since Curiosity launched — what if the rover contaminates the surface of Mars with Earth life?”

Microbial stowaways to Mars identified
http://www.nature.com/news/microbial-stowaways-to-mars-identified-1.15249
“Dozens of microbial species may have accompanied the Curiosity rover to Mars, where it landed in August 2012. The stowaways withstood spacecraft cleaning methods before the rover's launch, although no one knows for sure whether the bacteria survived the inter-planetary ride.”
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