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The only animal known to survive the extreme environment of outer space without the help of special equipment turns out to have the most foreign DNA of any species.Water bears, also known as tardigrades, have genomes that are nearly one-sixth foreign, meaning that the DNA comes from creatures other than the animal itself, new research finds.  The discovery, published in the Proceeding of the National Academy of Sciences, adds to the evidence that tiny water bears are incredibly unique and seemingly indestructible animals. In 2007, some were even rocketed into space on the outside of a satellite.

http://tinyurl.com/popfyjc

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