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.

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 ...

I f you go down by the water when wood frogs (Lithobates sylvaticus) begin mating, you’ll hear a cacophony of males calling out in search of a mate.With hundreds of overlapping calls, what actually ...

The wood frog survives extreme winter temperatures by freezing solid, with its heart stopping for nearly eight months. It uses its natural antifreeze, a mix of glucose and urine constituents ...