Shankar Vedantam

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It's no secret that this presidential campaign season has been tense, with disagreement and rancor even louder than usual.

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Fewer than 1 in 5 members of Congress are women. At Fortune 500 companies, fewer than 1 in 20 CEOs are women. And if you look at all the presidents of the United States through Barack Obama, what are the odds of having 44 presidents who are all men?

If men and women had an equal shot at the White House, the odds of this happening just by chance are about 1 in 18 trillion.

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DAVID GREENE, HOST:

You might know slow motion from watching sports, showing collisions between cars, maybe football players taking hits. Well, there's social science research about the effect slow motion has on us, and we are joined by NPR's Shankar Vedantam. Hey, Shankar.

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