In this video, archaeologist Michel Toussaint describes how the first discovery of a Neanderthal skull in 1829 was ahead of its time.

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.

When an ancient collapsed roof was found at the archaeological site Abri Castanet, Randall White was happy to try to pick up the pieces.

Veronica Waweru describes some of her game-changing research on ancient hunting and what it was like to work with our television crew.

Have you ever wondered about how archaeologists keep track of the tiny shards of bone or ancient tools they uncover at their dig sites?

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.

Alan Alda learns that what had been believed to be a purposeful burial of a Neanderthal child now isn’t looking like such solid proof of ritualistic behavior.

Alan Alda vists the rock shelter of Abri Castanet in Southwest France where he is shocked to learn about some of our ancestors’ early behaviors.