Space Daily August 29, 2026 • 16:15

A wood frog in North America can freeze through winter — its heart stops, it does not breathe and as much as 65% of its body water turns to ice — then thaw in spring and hop away, a feat scientists are studying for clues to preserving human organs - Space Daily

The wood frog's extreme hibernation strategy—where its heart stops and most of its body turns to ice—is teaching researchers how to preserve human organs for transplant, potentially solving one of medicine's most vexing problems.

Pick up a wood frog in the middle of a Canadian January and it feels like a rock. Ice crusts the eyelids. There is no heartbeat, no breathing, no measurable nerve activity, and close to two thirds of… [+5910 chars]

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A wood frog in North America can freeze through winter — its heart stops, it does not breathe and as much as 65% of its body water turns to ice — then thaw in spring and hop away, a feat scientists are studying for clues to preserving human organs - Space Daily

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