Shankar Vedantam

The election of Donald Trump came as a shock to many Americans, but perhaps most of all to those in the business of calling elections. The pollsters on both the left and the right had confidently predicted Hillary Clinton would walk away with the race. They got it wrong. But one man did not: Allan Lichtman.

On Sept. 23, Lichtman, a historian at American University, declared that Trump would win, and he stuck by that call through the tumultuous final weeks of the campaign.

In 1969, Philip Zimbardo, a psychologist from Stanford University, ran an interesting field study. He abandoned two cars in two very different places: one in a mostly poor, crime-ridden section of New York City, and the other in a fairly affluent neighborhood of Palo Alto, Calif. Both cars were left without license plates and parked with their hoods up.

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What are the lives of the planet's wealthiest people really like?

Several years ago, sociologist Brooke Harrington decided to find out.

She knew she'd have a hard time gaining access to the world of the über wealthy, so she did something unusual: She took courses to become a wealth manager.

In the course of this training, Harrington met other wealth managers, who agreed to be interviewed for her research.

She discovered that, in order to manage money for the super-rich, these professionals learn a lot about the private lives of their clients.

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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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With just weeks to go until election day, our airwaves are filled with debates about immigrants and refugees. Who should be in the United States, who shouldn't, and who should decide?

These modern debates often draw upon our ideas about past waves of immigration. We sometimes assume that earlier generations of newcomers quickly learned English and integrated into American society. But historian Maria Cristina Garcia says these ideas are often false.

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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.

Magic.

That's what it feels like when you bump into your childhood friend on the first day of college ... or meet someone at a party in Paris, only to discover she lives in your dad's childhood home in Poughkeepsie, N.Y. But, says mathematician Joseph Mazur, these coincidences are not as extraordinary as we might think.

"People think that their address book is essentially the people they know, and it turns out any address book is about one percent of the people they know in some way," Mazur explains.

It can happen anywhere: that moment when you gaze at the people around you and realize you simply can't understand their politics.

How can these people – be they our friends, colleagues or, worst of all, our spouses – believe as they do, when facts and reason clearly point in the opposite direction? How can they support political candidates whose views are so antithetical to our definition of common sense?

They're questions voters across the country have been asking a lot this election season – voters like Kate Burkett of Indiana and Tom Barnes of Maryland.

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There's an old saying that if you want to get something done, always ask a busy person. Researchers have scientifically tested that theory. And NPR's social science correspondent Shankar Vedantam joins us now to explain what they found. Hey ya.

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