A wood frog in North America can freeze through winter — its heart stops, it does not breathe and as much as 65% of its body water turns to ice — then thaw in spring and hop away, a feat scientists are studying for clues to preserving human organs
Pick up a wood frog in the middle of Canadian January and feel like a rock. Ice forms crusts on the eyelids. There is no heartbeat, no breathing, no measurable nervous activity, and about two-thirds of the water in your body remains frozen in the spaces between your cells. “For all intents and purposes, this … Read more