
What Makes Me?
Episode 2 | Nuns and the Aging Brain
A study of nuns’ brains produces an unexpected revelation. A third of the brains tested at autopsy showed signs of Alzheimer’s but cognitive tests had revealed that the brain owners had shown no symptoms of this terrible disease. What was going on?
Episode Clips

Episode 2 | Born Unfinished
Human babies are born utterly helpless, compared to many newborn animals. Why?

Episode 2 | Stressed Teens
An experiment in a shop window demonstrates why teens feel far more stressed than adults.

Episode 2 | Your Job Can Reshape Your Brain
The brains of London taxi drivers were tracked before, during and after their training.

Episode 2 | Inside a Child's Brain
The process of becoming someone is about pruning back the brain’s connections.

Episode 2 | Stuck in the Present
The case of Henry Molaison reveals an important discovery for neuroscience.