Researcher Brian Hare is an advocate for eliminating the chimpanzee pet trade. In the wake of the chimp attack, Brian explains the science behind his stance.

Larry Engel discusses the challenges and joys of filming Alan with the chimps at the North Carolina Zoo.

We went to the North Carolina Zoo to meet the chimpanzees -- and evolutionary anthropologist Brian Hare. Here's what happened...

Watch Tanya Chartrand describe what it was like for her as a scientist to be involved in a television shoot for "The Human Spark."

We’ve just finished shooting at Duke University a series of experiments with Tanya Chartrand on how humans unconsciously mimic each other, and how this makes us more social.

Here are some additional behind-the-scenes photos of the "Human Spark" nighttime campfire shoot with archaeologist Curtis Marean.

In Arizona, Alan and archeologist Curtis Marean had a fireside chat about how modern humans replaced the Neanderthals. Check out this video to see how the scene was made.

One of Scott’s most important responsibilities is making sure that nothing that can react with a magnet gets anywhere near the MRI machine. Watch this interview.

Check out these behind-the-scenes photos from our day filming with Helen Neville and colleagues at the Brain Development Lab at the University of Oregon.

The scientists in Oregon wanted to see how brains react to mistakes in grammar, even when the listener isn’t fluent in the language being spoken!