427 cases going back 50 years show monkeys keep pets, too — shedding a light on the origins of animal friendship
· fortune.com
Researchers at the University of Oxford documented primates grooming, carrying and even adopting animals from squirrels to stray dogs.
The first time I saw it, I wasn’t quite sure what I was looking at. A northern white-cheeked gibbon at Shanghai Zoo was holding and caressing a mouse that had...