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.

Director or Photography Larry Engel explains some of the work that went into lighting a scene at the American Museum of Natural History in New York.

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!

For John Shea, the way we posed our questions about the human spark got him pondering the evolution of our human uniqueness in a new way.

Here John Shea shares a bit more about his research interests – and what it’s like to be interviewed for television!

John Shea at Stony Brook University is keeping alive the stone toolmaking technologies used by our most ancient ancestors.

Larry Engel and the crew head to Stony Brook, where Alan Alda gets a lesson in primitive weapon- and bead-making from experimental archaeologist John Shea.

Alan enters the lab at Yerkes hoping to learn about chimpanzees and facial recognition. But instead, the chimps show Alan and the crew who's boss.

Psychologist Vicky Horner discusses research into chimpanzee cultural transmission. Do chimps have "culture" like humans?