Bats modify their red blood cells to become thicker and more rigid when they hibernate – and if we can figure out how, people might one day be able to copy the process for medical treatments or ...

Deep in Madagascar’s forests, tiny dwarf lemurs hibernate for over half the year — the only known primates to do so. But they’re not alone. From turtles to bears, this video explores the mind-blowing ...

Cues to hibernate often include colder temperatures, but such biological signals are imprecise, so some individuals would go to sleep and, crucially, awaken before others. Humans are greedy and ...