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Anonymous
Temperature tardigrades can survive being heated for a few minutes to 151°C or being chilled for days at -200°C, or for a few minutes at -272°C. (1° warmer than absolute zero).
Radiation as shown by Raul M. May from the University of Paris, tardigrades can withstand 5,700 grays or 570,000 rads of x-ray radiation. (Ten to twenty grays or 1000-2000 rads could be fatal to a human).
Pressure they can withstand the extremely low pressure of a vacuum and also very high pressures, many times greater than atmospheric pressure. It has recently been proven that they can survive in the vacuum of space. Recent research has notched up another feat of endurability, apparently they can withstand 6000 atmospheres pressure, which is nearly six times the pressure of water in the deepest ocean trench.
Dehydration - When a piece of dried-up moss which had been kept in a museum for 120 years was moistened, tardigrades successfully recovered from the 'tuns' in the moss.
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