Bears and squirrels hibernate to survive harsh conditions; why not humans? If we want to travel deep into space or combat deadly diseases, physiologist Matteo Cerri says hibernation might be the key.

This is part of "Work, Play, Rest" from the TED Radio Hour. In this series, TED speakers share evolving notions of what it means to pay bills, feel joy in play, and rest our minds and bodies. To hear the full episodes, find and follow the TED Radio Hour wherever you're listening to this.

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