biology
How Do Tardigrades Survive in Outer Space?
š” The Answer
- Tardigrades enter a cryptobiotic state called a tun, curling up and drying out.
- In this state their metabolism drops below 0.01% of normal, and they produce protective proteins.
- They can withstand extreme radiation, vacuum, and temperatures near absolute zero.
- Upon rehydration, they resume normal life even after decades in suspended animation.
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