How to Build a Smart City

Season 8, Episode 6 We are in the midst of a historic (and wholly unpredicted) rise in urbanization. But it’s hard to retrofit old cities for the 21st century. Enter Dan Doctoroff. The man who helped modernize New York City — and tried to bring the Olympics there — is now C.E.O. of a Google-funded […]

Extra: Shawn Johnson Full Interview

A conversation with 2008 Olympic gold medalist Shawn Johnson, recorded for the Freakonomics Radio series “The Hidden Side of Sports.”

Extra: Full Interviews With Jimmy Garoppolo, Joe Staley, Mike McGlinchey, and Kyle Juszczyk

Stephen Dubner’s conversations with members of the San Francisco 49ers offense, recorded for Freakonomics Radio episode No. 350, part of the “Hidden Side of Sports” series.

An Astronaut, a Catalan, and Two Linguists Walk Into a Bar…

Season 8, Episode 2 In this live episode of “Tell Me Something I Don’t Know,” we learn why New York has skinny skyscrapers, how to weaponize water, and what astronauts talk about in space. Joining Stephen J. Dubner as co-host is the linguist John McWhorter; Bari Weiss (The New York Times) is the real-time fact-checker. […]

People Aren’t Dumb. The World Is Hard.

Season 8, Episode 1 You wouldn’t think you could win a Nobel Prize for showing that humans tend to make irrational decisions. But that’s what Richard Thaler has done. The founder of behavioral economics describes his unlikely route to success; his reputation for being lazy; and his efforts to fix the world — one nudge […]

The Cobra Effect (Rebroadcast)

Season 7, Episode 52 When you want to get rid of a nasty pest, one obvious solution comes to mind: just offer a cash reward. But be careful — because nothing backfires quite like a bounty. To find out more, check out the podcasts from which this hour was drawn: “The Cobra Effect” and “Who […]

The Truth Is Out There…Isn’t It? (Rebroadcast)

Season 7, Episode 49 Clever ways to not waste our waste, and there’s a nasty secret about hot-button topics like global warming: knowledge is not always power. To find out more, check out the podcasts from which this hour was drawn: “Weird Recycling” and “The Truth Is Out There…Isn’t It?”

Who Decides How Much a Life Is Worth? (Ep. 344)

After every mass shooting or terrorist attack, victims and survivors receive a huge outpouring of support — including a massive pool of compensation money. How should that money be allocated? We speak with the man who’s done that job after many tragedies, including 9/11. The hard part, it turns out, isn’t attaching a dollar figure to each victim; the hard part is acknowledging that dollars can’t heal the pain.

A Conversation With PepsiCo C.E.O. Indra Nooyi (Ep. 316 Update)

One of the world’s biggest and best-known companies just announced that its C.E.O. would be stepping down in the fall. We interviewed her as part of our series “The Secret Life of a C.E.O.," and we thought you might like to hear that episode again, or for the first time if you missed it back then.

Has Lance Armstrong Finally Come Clean?

Season 7, Episode 48 He was once the most lionized athlete on the planet, with seven straight Tour de France wins and a victory over cancer too. Then the doping charges caught up with him. When he finally confessed to Oprah, he admits, “it didn’t go well at all.” That’s because he wasn’t actually contrite […]