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An Ukrainian soldier stands near an armored personnel carrier (APC) at a checkpoint near the village of Salkovo, in Kherson region adjacent to Crimea, March 18, 2014. (REUTERS/Viktor Gurniak)
Waterbears can go without food or water for more than a decade. They can survive temperatures from zero to above the boiling point of water, pressure six times stronger than the deepest ocean trench, radiation hundreds of times higher than the fatal dose for a human, and the vacuum of space.