Could tiny tardigrades survive in space?

Oh, they absolutely can—and they have! When these microscopic “water bears” face extreme conditions, they enter a special “tun” state, shutting down almost all biological functions. In this state, they’re practically in suspended animation, slowing their metabolism to almost zero and becoming incredibly resilient. This survival mode has allowed tardigrades to endure the vacuum of space, cosmic radiation, and freezing temperatures—and still come back to life once they rehydrate!

Want more mind-blowing survival stories? Follow Trivia Tidbits for your daily dose of amazing facts!

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