Hummingbirds enter a state of semi-hibernation at night called torpor, and researchers studied them closely. The birds are able to reduce their body temperature to close to the ambient temperature of the air. >>
Hummingbirds enter a state of semi-hibernation at night called torpor, and researchers studied them closely. The birds are able to reduce their body temperature to close to the ambient temperature of the air. >>
We’ve all seen it in sci-fi space movies: Deep-space travelers cruising to a new location and sleeping for weeks, months, or even years to pass the time. In fiction, hibernation pods are a >>