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Feb 11, 2023

NASA astronauts could hibernate on deep space missions thanks to arctic squirrels

Posted by in categories: health, space

Researchers are studying hibernating Arctic ground squirrels with the goal of harnessing the benefits of this odd natural state to protect astronauts’ health on long-duration space missions.

Hibernation is not just sleep. In fact, it’s quite different from sleep. While we sleep, our brains fire up and become highly active; in hibernation, on the contrary, brain activity completely slows down. The body temperature of hibernating animals also drops, in some cases close to the freezing point, cells stop dividing and heart rate decreases to two beats per minute.

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