Scientists study dreaming to find answers to why we dream have found several potential answers: they help keep us asleep, they contribute to good mental health, and they help us find answers to questions we seek. But what do they mean, and can we control them?

Morality and responsibility for violence are explored in a re-enactment of Yale psychologist Stanley Milgram’s famous experiment on obedience to authority.

A report about Robert MacNeil’s grandson Nick, who has autism, including interviews with his family about the impact of autism.

Rethinking concepts of autism in a documentary hosted by Oliver Sacks.

Pediatric epilepsy, what it is and how to live with it.

Amusing but pointed series of short videos about stigma in the workplace.

A pianist with Tourette’s searches for the source of his creativity.

Intelligence is no guarantee of success.

Neurobiology of extreme sports.

How people become chronic addicts and why the war on drugs doesn’t solve the problems.