Magic powers of the wood frog
Chapter 1
The science of freezing solid
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Chapter 2
Surviving the extreme northern wilderness
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Chapter 3
The great spring thaw
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Chapter 4
Wood frogs and the future of medicine
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YOUR GOAL
Master of Magic powers of the wood frog
Ch 1 · The science of freezing solid
torito Wood Frog Freezing Survival
When winter's chill begins to creep, Wood frogs freeze solid while they sleep!
Fun Fact
Frog antifreeze: Wood frogs can survive with up to 65% of their body water completely frozen solid.
Glossary
cryoprotectant (noun)
A substance that protects biological tissue from damage during freezing. During winter hibernation, the wood frog floods its organs with glucose to prevent ice from destroying cells.
A substance that protects biological tissue from damage during freezing. During winter hibernation, the wood frog floods its organs with glucose to prevent ice from destroying cells.
Quiz
What chemical, normally excreted as waste, does the wood frog retain to help survive freezing?