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 ...

When the cold weather comes, I bundle up in a sweater and explore the snow. But my frog friends are never around then. In fact, I’ve never seen a frog in a sweater. I asked my friend Erica Crespi why ...

The animal kingdom is full of fascinating tricks for enduring sub-freezing temperatures. Birds, for example, often just take ...

With an eye patch like a bandit and bodies no bigger than 3 inches, wood frogs are among the fascinating critters that spend the winter sheltered in backyard and woodland leaf litter. If you find one ...

As winter swoops over the world, wrapping the days in mist and hardening the ground beneath a layer of frost, people retreat indoors to snuggle into cozy blankets. With heaters humming in the ...

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 becomes for lack of a better word slushy. Then, if ...