Voters exit a polling station in Gallant, Alabama during the special election to decide who will replace Attorney General Jeff Sessions in the U.S. Senate. Joe Raedle/Getty Images hide caption

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Episode 915: How To Meddle In An Election

In which someone runs a science experiment on an actual election, on actual voters, to test the persuasive power of ethically sketchy methods.

Episode 915: How To Meddle In An Election

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Episode 914: Trump And Deutsche Bank, A Long Affair

After Donald Trump's companies declared four bankruptcies, several major banks stopped loaning him money. But Deutsche Bank didn't.

Episode 914: Trump And Deutsche Bank, A Long Affair

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Volunteers count homeless people on Skid Row. David McNew/Getty Images hide caption

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David McNew/Getty Images

Episode 913: Counting The Homeless

From renting hotels to a jobs report-like census in the night, we look at ways communities are helping the homeless.

Episode 913: Counting The Homeless

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Luca Pacioli is the one on the left. (Nobody knows who the guy on the right is.) Museo di Capodimonte hide caption

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Museo di Capodimonte

Episode 407: A Mathematician, The Last Supper, And The Birth Of Accounting

The story of an innovation that changed the way the world works, and of the man who made this innovation possible: Luca Pacioli.

Episode 407: A Mathematician, The Last Supper, And The Birth Of Accounting

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Courtesy Jeopardy Productions, Inc.

Episode 912: How Uncle Jamie Broke Jeopardy

James Holzhauer took data, probability and a lot of practice with a fake buzzer, and turned it into a fortune on a game show.

Episode 912: How Uncle Jamie Broke Jeopardy

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Customer service representative, Julia Furlan, mans the listener question hotline. Rachel Cohn/NPR hide caption

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Rachel Cohn/NPR

Episode 911: You Asked The Listener Question Hotline

We answer a bunch of the questions you asked — and even one you *didn't* ask.

Episode 911: You Asked The Listener Question Hotline

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via Econ Job Rumors

Episode 910: Economics, Sexism, Data

A young economist holds a mirror up to her field. And starts a national conversation about women in economics.

Episode 910: Economics, Sexism, Data

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Mike Fisher/Flickr

Episode 416: Why The Price of Coke Didn't Change For 70 years

For 70 years, the price of a bottle of Coca-Cola stayed a nickel. Why? The answer includes a half a million vending machines and a 7.5 cent coin.

Episode 416: Why The Price of Coke Didn't Change For 70 years

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#909: Dollar Stores Vs Lettuce
Sarah Gonzalez/NPR

#909: Dollar Stores Vs Lettuce

Every six hours a new dollar store opens in the U.S. Are they killing grocery stores?

#909: Dollar Stores Vs Lettuce

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#908: I Am Not A Robot

The remarkable story of the online "CAPTCHA" tests we've all taken to prove that we're not robots.

#908: I Am Not A Robot

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Darius Rafieyan

#907: Two Spring Indicators

The Indicator from Planet Money explores trade wars, peanuts, hurricanes, and happiness.

#907: Two Spring Indicators

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A friendship blossoms. David Kestenbaum/NPR hide caption

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David Kestenbaum/NPR

#644: How Much Does This Cow Weigh?

We wanted to understand an eerie phenomenon that drives everything from the stock market to the price of orange juice. So we asked you to guess the weight of a cow.

#644: How Much Does This Cow Weigh?

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MARTIN BERNETTI/AFP/Getty Images

#906: The Chicago Boys, Part II

How a ruthless dictator, and a bunch of economists known as the Chicago Boys, took Chile from socialism to capitalism.

#906: The Chicago Boys, Part II

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Chilean President Salvador Allende is pictured here waving to a crowd after his election victory in 1970. General Augusto Pinochet, the man who would replace Allende after a coup, and reverse his socialist policies, is on horseback. STF/AFP/Getty Images hide caption

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STF/AFP/Getty Images

#905: The Chicago Boys, Part I

In the late 1950s and early '60s a handful of Chilean students went to study economics at the University of Chicago. What they learned changed their country.

#905: The Chicago Boys, Part I

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A screenshot of Jen Lewis' original tweet of Kanye kissing Kanye. Jen Lewis/https://twitter.com/thisjenlewis/status/564890763235196928/photo/1?ref_src=twsrc%5Etfw%7Ctwcamp%5Etweetembed&ref_url=https%3A%2F%2Fwww.buzzfeed.com%2Fjenlewis%2Fthe-life-of-kanye-kissing-kanye hide caption

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Jen Lewis/https://twitter.com/thisjenlewis/status/564890763235196928/photo/1?ref_src=twsrc%5Etfw%7Ctwcamp%5Etweetembed&ref_url=https%3A%2F%2Fwww.buzzfeed.com%2Fjenlewis%2Fthe-life-of-kanye-kissing-kanye

#904: Joke Theft

Copyrighting comedy is expensive. So comedians have devised an informal system of sanctions to protect their jokes from theft. Sometimes it works.

#904: Joke Theft

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#760: Tax Hero

Joe Bankman, professor at Stanford, figured out a way to make filing your taxes easy and painless. Then the tax lobby found out about it.

#760: Tax Hero

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Andrew Hancock/Andrew Hancock/Purdue University

#903: A New Way To Pay For College

Some colleges are offering students a new way to pay. It's not a scholarship. It's not a loan. It's more like the students are selling stock in themselves.

#903: A New Way To Pay For College

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Dex1138/Flickr/https://www.flickr.com/photos/dex1138/5739675695/in/photolist-9KckBM-4EztSw-2eXtD12-625dnX-52YP7B-vnEUx-aZsLVX-4TpoBe-oRFPoE-sbZo4-bthDtP-aj4XeC-2DFjnK-ccGYJJ-4iYeUg-95GNxz-7CTsNo-s8YN6f-eb5pe-66sFC3-g3VQrM-faSDwS-g853We-7xWfVe-6R1tF-9FNyCo-9KnGVg-4qQfW3-

#902: The Phoebus Cartel

The story behind two sneaky forces that drive us to buy more products, more often: Planned obsolescence and psychological obsolescence.

#902: The Phoebus Cartel

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#901: Bad Cops Are Expensive

There's an industry of people working to eliminate bad police behavior. They're not activists or protestors. They're insurers.

#901: Bad Cops Are Expensive

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The famous work "The Physical Impossibility of Death in the Mind of Someone Living" by British artist Damien Hirst. REGINA KUEHNE/ASSOCIATED PRESS hide caption

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REGINA KUEHNE/ASSOCIATED PRESS

#189: Why A Dead Shark Costs $12 Million

Today's show is about the fickle market for art. What makes a dead shark cost $12 million, and a photo of steel wool that looks like a tornado cost only $1,265?

#189: Why A Dead Shark Costs $12 Million

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Come at me, ABRO. Nick Fountain/NPR hide caption

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Nick Fountain/NPR

#900: The Stolen Company

When an American company named ABRO learns their goods are being counterfeited in China, they start their own trade war.

#900: The Stolen Company

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Fred and Natasha Ruckel's cat, Yoda, sits on top of the Ripple Rug. The Ripple Rug was the subject of a classic middleman scheme involving eBay and Amazon. Courtesy of Snuggly Cat hide caption

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Courtesy of Snuggly Cat

#724: Cat Scam

The internet was supposed to get rid of middlemen--but instead they are taking over the global economy.

#724: Cat Scam

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ENRIQUE CASTRO/AFP/Getty Images

#899: Mexico Fights The Fuel Pirates

Thieves are stealing billions of dollars worth of gasoline in Mexico. The President is taking drastic action to cut them off, and it comes at a serious cost. Content warning: Audio of deadly pipeline explosion.

#899: Mexico Fights The Fuel Pirates

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#785: The Starbury

Stephon Marbury wears a pair of his Starbury sneakers on the Coney Island boardwalk. Kenny Malone/NPR hide caption

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Kenny Malone/NPR

#785: The Starbury

The story of an NBA All-Star and an experiment: To make a desirable basketball shoe cheap enough for anyone.

#785: The Starbury

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