Episode · North American forests · 11 September 2026
Every winter more than half the water in a wood frog’s body turns to ice. In Alaska it stays frozen up to 7 months, with no heartbeat, then thaws in spring.
The footnote on the shirt
¹ In Alaska, wood frogs stay frozen up to 7 months, with no heartbeat and no breath, then thaw in spring.
Larson et al., Journal of Experimental Biology, 2014
Sources
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