Frogs Can Freeze Solid and Revive

Certain frog species, like the wood frog, can survive having up to 65% of their body water freeze into ice. They produce a natural antifreeze (glucose) that protects their cells, allowing them to thaw out and hop away when spring arrives.

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https://www.nationalgeographic.com/animals/amphibians/facts/wood-frog

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Published: March 26, 2026
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Biology Animals Weird Survival Frog Freezing Wood Frog Cryopreservation Amphibian

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