Across the Northern Hemisphere, millions of animals are tucked away safely, hibernating through the cold, ready to come out smiling in the spring. Bats, marmots, hedgehogs, bears. And not just in the winter north: animals in the tropics, such as some fruit bats and a primate, do it too. dwarf lemur. It had long been a dream to copy the process in humans, and by the 2050s, it had become a reality.
Animals hibernate at different “depths”, with their metabolism and body temperature greatly reduced. Arctic squirrels they are champions, lowering their metabolic rate by 98…
