Frans de Waal:

Moral behavior in animals

What happens when two monkeys are paid unequally? Fairness, reciprocity, empathy, cooperation — caring about the well-being of others seems like a very human trait. But Frans de Waal shares some surprising videos of behavioral tests, on primates and other mammals, that show how many of these moral traits all of us share.

Frans de Waal

Primatologist

Frans de Waal studies primate social behavior — how they fight and reconcile, share and cooperate. Full bio