The CHAPEA crew checks in on their eighth month in a Mars simulated habitat and a NASA biostatistician discusses the process of analysis, interpretation, and presentation of scientific data. HWHAP Episode 329.

(Note: This episode originally ran in 2020.)

In the restaurant game, you need to make the most of every table every minute you are open. And you need to make sure your guests are happy, comfortable, and want to come back.

If you’re a restaurateur, your gut tells you “more seats, more money,” but, in this episode, restaurant design expert Stephani Robson upends all that and more. She helps Roni Mazumdar, owner of the casual Indian spot Adda in New York’s Long Island City, rethink how a customer behaves at a table, and how small changes can lead to a lot more money.

It’s a data-driven restaurant makeover.

This episode was originally produced by Darian Woods and Alexi Horowitz-Ghazi. James Sneed and Sam Yellowhorse Kesler produced this update. Engineering by Isaac Rodrigues and Maggie Luthar. Alex Goldmark originally edited the show and is now Planet Money’s executive producer.

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It is rare that a new e-commerce company has such a meteoric rise as Temu. The company, which launched in the fall of 2022, has been flooding the American advertising market, buying much of the inventory of Facebook, Snapchat, and beyond. According to the market intelligence firm Sensor Tower, Temu is one of the most downloaded iPhone apps in the country, with around 50 million monthly active users.

On today’s show, we go deep on Temu: How does it work, how did it manage such a quick rise in the U.S., and what hints might it offer us about the future of retail? Plus, we’ll talk to the bicycle-loving U.S. Representative who is working to shut down a loophole that has proved very helpful to Temu’s swift ascent.

This episode was hosted by Nick Fountain and Alexi Horowitz-Ghazi with reporting from Emily Feng. It was produced by Sam Yellowhorse Kesler and Emma Peaslee. It was edited by Keith Romer, fact-checked by Sierra Juarez, and engineered by Cena Loffredo. Alex Goldmark is Planet Money’s executive producer.

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We know walking is good for our bodies, our communities, and our planet. But our car-centric cities and screen-filled lives keep us sitting. Can we change? This hour, ideas to get us moving. Guests include author Vybarr Cregan-Reid, computer historian Laine Nooney, exercise physiologist Keith Diaz, urban planner Jeff Speck, activists John Francis and Vanessa Garrison.

TED Radio Hour+ subscribers now get access to bonus episodes, with more ideas from TED speakers and a behind the scenes look with our producers. A Plus subscription also lets you listen to regular episodes (like this one!) without sponsors. Sign-up at: plus.npr.org/ted

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NASA’s Volatiles Investigating Polar Exploration Rover, also known as VIPER, is the agency’s first robotic lunar rover. Learn more about VIPER and its journey to the lunar surface. HWHAP Episode 328.

Steel manufacturing was at one point the most important industry in the United States. It was one of the biggest employers, a driver of economic growth, and it shaped our national security. Cars, weapons, skyscrapers… all needed steel.

But in the second half of the 20th century, the industry’s power started to decline. Foreign steel companies gained more market power and the established steel industry in the U.S. was hesitant to change and invest in newer technologies. But then, a smaller company took a chance and changed the industry.

On today’s episode: What can the fall of a once-great industry teach us about innovation and technology? And why you should never underestimate an underdog.

This episode was hosted by Erika Beras and Mary Childs. It was produced by Willa Rubin and edited by Jess Jiang. It was engineered by Cena Loffredo. It was fact-checked by Sierra Juarez. Our executive producer is Alex Goldmark.

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When you buy a bottle of rum in the United States, by law nearly all the federal taxes on that rum must be sent to Puerto Rico and the U.S. Virgin Islands. It’s an unusual system that Congress designed decades ago to help fund these two U.S. territories. In 2021 alone, these rum tax payments added up to more than $700 million.

Puerto Rico and the Virgin Islands split the money according to how much rum each territory produces. And the territories produce a lot of it — especially Puerto Rico, which single handedly supplies the majority of the rum that Americans drink.

But in 2008, the U.S. Virgin Islands pulled off a coup. It convinced one of the largest rum brands in the world, Captain Morgan, to abandon Puerto Rico and to shift its operations to the tiny island of St. Croix.

This was the beginning of the Rum Wars.

On today’s show, the story of how a scheme designed to help Puerto Rico and the U.S. Virgin Islands turned them into bitter rivals. And how it ended up putting hundreds of millions of dollars a year — U.S. taxpayer dollars — into the pockets of big liquor companies instead.

This episode was hosted by Jeff Guo and Sarah Gonzalez. It was produced by James Sneed with help from Sam Yellowhorse Kesler. It was edited by Molly Messick, engineered by Cena Loffredo, and fact checked by Sierra Juarez. Alex Goldmark is Planet Money’s executive producer.

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Original broadcast date: June 30, 2023. Big problems need audacious solutions. This hour, TED speakers use data and common sense to make laws more effective, reform the foster care system and hold environmental offenders accountable. Guests include criminal justice reform activist Sheena Meade, child welfare advocates Sixto Cancel and Marquan Teetz, and ocean monitoring expert Tony Long.

TED Radio Hour+ subscribers now get access to bonus episodes, with more ideas from TED speakers and a behind the scenes look with our producers. A Plus subscription also lets you listen to regular episodes (like this one!) without sponsors. Sign-up at: plus.npr.org/ted

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NASA astronaut Tracy C. Dyson discusses her background and anticipation as she looks ahead to the beginning of her third spaceflight later this month. HWHAP Episode 327.