Two Monkeys Were Paid Unequally, watch what happens next.
What happens when you pay two monkeys unequally? Watch what happens.
Empathy, cooperation, fairness and reciprocity — 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.
Full TED talks video can be found here