The overachieving Wallace's flying frog wasn't content to just hop and swim ... appears to have convinced this unique amphibian that air travel is the way to go. Also known as parachute frogs ...

Rock hard and icy to the touch, this speckled North American wood frog is frozen alive at –2?°C, and has been so for the last 24 hours. Then Jon Costanzo adjusts the temperature of the terrarium, and ...