by thenewgreen

Seem like a post theadvancedapes would have written about back in the day.

But over the course of his career, de Waal became convinced that primates and other animals express emotions similar to human emotions. He's now the director of the Living Links Center at the Yerkes National Primate Research Center in Atlanta, where his office window looks out on a colony of chimps.

"I am now at the point that I think emotions are more like organs," he says. "All my organs are present in a rat's body, and the same way, I think, all my emotions are probably present in the rat."