Long before winter seals the forest under ice, certain frogs begin preparing for a transformation that defies basic biology. The wood frog (Rana sylvatica), along with a few treefrog species like the ...
These frogs inside an incubator at Mt. St. Joseph University are in a kind of frozen state. Cryoprotectants are key and researchers are trying to translate the concept into human organs. Under a leafy ...
WASHINGTON — This is the way a wood frog freezes: First, as the temperature drops below 32 degrees, ice crystals start to form just beneath the frog’s skin. The normally pliant and slimy amphibian ...
On a winter walk through Alaska’s forests, you might step over what looks like a dead frog, locked stiff beneath the leaves. Its eyes are glazed with ice, its heart doesn’t beat, and its lungs do ...