Alan Alda finds out how human social networks compare to those of chimps and watches babies pick cooperative puppets over those that won't play.

Some chimp experts have concerns about how media portrayals could affect chimpanzee welfare in the United States and abroad.

Alan Alda explores how much humans and chimps have in common, and what sets us apart. Watch the full episode now.

Scroll through this interactive feature to learn a bit about some of the evidence Alan examined as well as some of the current debates in the field.

Alan Alda visits Yale University’s Laurie Santos at a small Caribbean island where she is studying rhesus monkeys’ ability to steal grapes…and read minds.

Alan Alda finds out how children will help—and like it, while chimps are less inclined to offer enthusiastic assistance.

All our shared values that allow us to cooperate and collaborate lend a “we-ness” to the human species that is certainly lacking in our primate relatives.

Scientist Keith Jensen plays the Ultimatum Game with Alan Alda and shows him the differences between how humans and chimps react to various offers.

If you’re a chimp, making friends is straightforward – put in some time grooming your buddy and hopefully you’ll stay on his good side. Not so for humans.

The Human Spark crew members had to keep our wits about us when we filmed on the Puerto Rican island of Cayo Santiago. It’s home to a free-ranging group of monkeys!