Surprising Science

Dr. Stone explains what motivates men who commit serial sexual homicide and whether or not they are born evil.

Videos

Thanks to MRI and fMRI bran scans, we now know much more about how damage to or deficiencies in certain parts of the brain may underlie "evil" behavior.

Surprising Science

Evil is so subjective that what we perceive as evil, Islamic terrorists do not, says Stone. But we can all agree that Bernie Madoff is evil.

Surprising Science

Some children—thankfully few—are born without a conscience or the ability to feel compassion.