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The Toughest Animals in the Universe Just Got a New Job
They are the toughest animals on Earth and possibly the key to surviving on Mars. Tardigrades, the microscopic creatures nicknamed 'water bears', have survived the vacuum of space, the crushing pressure of the deep ocean and temperatures that would kill virtually anything else. Now a new study has put them to work as unlikely pioneers, testing whether the hostile soil of Mars could ever support life and the results are full of surprises.
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