To view the full experience of this website, please download and install Adobe Flash Player 9.
Alan Alda visits dozens of scientists on three continents -- and even undergoes an examination of his own brain -- to find the answer to one question: What makes us human?
Support programming like The Human Spark through your local PBS station.
Full episodes
6 VIDEOS
Brain Matters
54:12
Air Date 01/20/10
So Human, So Chimp
54:42
Air Date 01/13/10
Becoming Us
54:41
Air Date 01/06/10
Alan Alda and Man's Best Friend
5:11
Air Date 12/15/09
Monkeys and Magic Fruit
5:00
Air Date 12/15/09
Running = Big Brains?
3:55
Air Date 12/15/09
