![The Brain with David Eagleman](https://image.pbs.org/contentchannels/hGqmKih-white-logo-41-EPSdTJO.png?format=webp&resize=200x)
Episode 2 | Nuns and the Aging Brain
Clip: Episode 2 | 3m 37s
A study of nuns’ brains shows us how to best protect our brains as we age.
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?
![The Brain with David Eagleman](https://image.pbs.org/contentchannels/hGqmKih-white-logo-41-EPSdTJO.png?format=webp&resize=200x)
Episode 2 | Nuns and the Aging Brain
Clip: Episode 2 | 3m 37s
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?
How to Watch The Brain with David Eagleman
The Brain with David Eagleman is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung Smart TV, and Vizio.
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![Explore the Brain with this Interactive](https://image.pbs.org/curate-console/593b9c87-d8dc-45ed-819f-6e30d692b7d0.png?format=webp&resize=860x)
Explore the Brain with this Interactive
What's the story of one of our body's most complex organs? In this interactive, viewers can explore clips from each of the six episodes of The Brain with David Eagleman. Grades: 9-13+Providing Support for PBS.org
Learn Moreabout PBS online sponsorshipEpisode 2 | Inside a Child's Brain
The process of becoming someone is about pruning back the brain’s connections. (1m 59s)
An experiment in a shop window demonstrates why teens feel far more stressed than adults. (3m 16s)
Episode 2 | Stuck in the Present
The case of Henry Molaison reveals an important discovery for neuroscience. (2m 41s)
Episode 2 | Your Job Can Reshape Your Brain
The brains of London taxi drivers were tracked before, during and after their training. (2m 19s)
Learn how our personality, memories and sense of self all emerge from neural activity. (30s)
Human babies are born utterly helpless, compared to many newborn animals. Why? (2m 3s)
Providing Support for PBS.org
Learn Moreabout PBS online sponsorship