The wood frog survives extreme winter temperatures by freezing solid, with its heart stopping for nearly eight months. It ...

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 ...

Yet every spring they come back to life again. Unable to travel large distances to escape Canada's winter, wood frogs have developed one of the most incredible survival strategies. They freeze.