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PBS NewsHour

Mapping the circuitry of a fish's brain

6:30

At the National Institutes of Health, Chris Harris and Kevin Briggman are working on mapping the circuitry of a living fish's brain, watching the neurons fire in real time. The goal is to understand how the brain takes information and acts on it.

Episodes of PBS NewsHour42

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Previews of PBS NewsHour3

PBS NewsHour

State of the Union 2016

PBS NEWSHOUR offers live coverage of President Obama's speech and the Republican response.

0:20

PBS NewsHour

PBS NewsHour Weekend

Premieres Saturday, September 7, 2013 at 6 p.m. ET.

0:30

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