Nature Communications

Ancient camels up to 29% larger than their modern-day cousins may have roamed the High Arctic of Canada around 3.5 million years ago, according to a new study of a fossil found in the region.

Years after they lose an arm or leg, amputees’ brains still carry an image of the missing limb that can be exactly the same as the image of the real limb, according to new U.K. research.