Ask us Anything by Popular Science

Author: Popular Science

Popular Science answers your most outlandish, mind-burning questionsfrom the everyday things youve always wondered to the bizarre things you never thought to ask. Join our editors as they explain it all, with new episodes every other Wednesday starting November 12th. Submit a question for a future episode at https://popsci.com/ask
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Surviving freezing temperatures: How low can humans go?
Episode 7
Thursday, 5 February, 2026

Humans are homeotherms, meaning that our core body temperature stays roughly constant, but what happens when conditions drive that body temp down? PopSci Editor ⁠⁠⁠⁠⁠Sarah Durn⁠⁠⁠⁠⁠ and Editor-in-Chief ⁠⁠⁠⁠⁠Annie Colbert⁠⁠⁠⁠⁠⁠⁠ bundle up to get to the bottom of just how cold humans can get and still survive. Read the full story that inspired this episode: https://www.popsci.com/science/coldest-temperature-humans-can-survive/ If you have a question for a future episode, go to ⁠⁠⁠⁠⁠https://popsci.com/ask⁠⁠⁠⁠⁠ Learn more about your ad choices. Visit megaphone.fm/adchoices