Ancient squirrel poop from Arctic permafrost contains DNA from mammoths, bison, horses and big cats
Frozen droppings from prehistoric ground squirrels are rich with DNA from Ice Age animals, including wooly mammothA mysterious big cat and a vast array of other creatures reveal a remarkably detailed genetic snapshot of ancient life in Canada’s rugged Yukon. Although genetic material of the larger creatures was found in the feces of ground squirrels, …