The Immortal Freeze: How Arctic Ground Squirrels Cheat Death Every Winter
From Bizarre Bytes of Science by Circle Of Insight Productions
June 1, 2026 · 7 min
About this episode
This episode explores the unique ability of Arctic ground squirrels to survive freezing temperatures through extraordinary physiological adaptations.
Every autumn, Arctic ground squirrels do something no other mammal on Earth can survive: they let their bodies freeze. This episode unpacks the extraordinary physiology behind supercooling, from the molecular scaffolding that keeps ice crystals from forming in living tissue to the brain changes that make weeks of near-death possible. If you have ever wondered where biology ends and the genuinely miraculous begins, this is the episode.
Topics covered
- supercooling
- physiology
- Arctic ground squirrels
- molecular biology
- near-death experiences
- winter survival
Keywords
- Arctic ground squirrels
- supercooling
- physiology
- winter survival
- molecular scaffolding
- brain changes
- near-death
Mentioned in this episode
Organizations: Circle Of Insight Productions
Places: Arctic
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