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PBS NewsHour

The Evolution of Our Throwing Shoulder

2:42

Neil Roach, post doctoral researcher at George Washington University, explains how humans have the ability to throw with such high velocities and why this made a difference in our evolution.

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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