They survive colder core body temperatures than any other known vertebrate, sustaining a temperature below freezing yet not becoming frozen. They emerge from hibernation with clock-like accuracy

They survive colder core body temperatures than any other known vertebrate, sustaining a temperature below freezing yet not becoming frozen. They emerge from hibernation with clock-like accuracy
Whether a species thrives or flags can have resounding consequences. When we think of our changing world, we imagine an ecosystem occupied by organisms which are interlinked.