The Insane Biology of: The Wood Frog (Nature’s Real-Life Frozen)
Автор: Luke Science
Загружено: 2026-01-14
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When winter hits the Arctic, most life flees or hides deep underground. But the Wood Frog has evolved a radical solution: it simply stops being "alive." In this episode, we deconstruct the cryobiology of Lithobates sylvaticus.
As temperatures drop, the frog’s body initiates a controlled freezing process. We analyze the cellular mechanics of its liver, which floods the bloodstream with massive amounts of glucose. This acts as a natural cryoprotectant, lowering the freezing point inside the cells to prevent lethal ice crystals from shredding its internal anatomy. While 70% of its body water turns to ice and its heart stops beating for weeks, the frog remains in a state of suspended animation. This is a masterclass in evolutionary engineering and thermal biology.
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