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

Wood frogs — Lithobates sylvaticus, also known as Rana sylvatica — live farther north than any other amphibian, even beyond ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. It looks dead for months, its body packed with ice. But ...

Frogs that freeze themselves solid in the winter and thaw in the spring inspired methods to extend the storage time for ...

The next time you declare that you are “freezing to death,” spare a thought for the wood frog who gets so cold in winter that its heart stops beating – but it does not die. Once the spring thaw ...

The next time you snivel, "I am freezing to death," you might want to consider the wood frog, which withstands such bone-chilling cold in winter that its heart stops beating yet does not die. When the ...

Long before winter seals the forest under ice, certain frogs begin preparing for a transformation that defies basic biology.

According to a study led by Don Larson of the University of Alaska Fairbanks, wood frogs (Lithobates sylvaticus) freeze up to 60 percent of their bodies during the long and extremely cold Alaskan ...

Wood frogs (Rana sylvatica) exhibit an extraordinary capacity for freeze tolerance, an adaptation that enables survival despite the conversion of up to 65–70% of their total body water into ...

Some animals in Canada will chill off so much in winter that they actually freeze, ensuring their survival through the harsh months. Such is the case with the wood frog. To ensure it can make it ...