“Reduce, reuse, recycle.” We’ve heard that for decades – but does it work? This hour, TED speakers reimagine the well-known slogan and reconsider how we think about what we consume and throw away. Guests include right-to-repair advocate Gay Gordon-Byrne, materials scientist Andrew Dent, technologist Jamie Beard and animal scientist Ermias Kebreab. Original broadcast date: May 20, 2022

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Three experts within the Human Physiology, Performance, Protection and Operations Laboratory (H-3PO) at NASA, explain the ins and outs of this integrated laboratory designed to support human spaceflight. HWHAP Episode 336.

In the past few months, the price of gold has gone way up – even hitting a new high last month at just over $2,400 per troy ounce.

Gold has long had a shiny quality to it, literally and in the marketplace. And we wondered, why is that?

Today on the show, we revisit a Planet Money classic episode: Why Gold? Jacob Goldstein and David Kestenbaum will peruse the periodic table of the elements with one goal in mind: to learn which element would really make the best money.

This classic Planet Money episode was part of the Planet Money Buys Gold series, and was hosted by Jacob Goldstein and David Kestenbaum.

Help support Planet Money and hear our bonus episodes by subscribing to Planet Money+ in Apple Podcasts or at plus.npr.org/planetmoney.

Always free at these links: Apple Podcasts, Spotify, Google Podcasts, the NPR app or anywhere you get podcasts.

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Karen McDonough of Quincy, Mass., was enjoying her tea one morning in the dining room when she saw something odd outside her window: a group of people gathering on her lawn. A man with a clipboard told her that her home no longer belonged to her. It didn’t matter that she’d been paying her mortgage for 17 years and was current on it. She was a nurse with a good job and had raised her kids there. But this was a foreclosure sale, and she was going to lose her house.

McDonough had fallen victim to what’s called a zombie second mortgage. Homeowners think these loans are long dead. But then the loans come back to life because they get bought up, sometimes for pennies on the dollar, by debt collectors that then move to collect and foreclose on people’s homes.

On today’s episode: An NPR investigation reveals the practice to be widespread. Also, what are zombie mortgages? Is all this legal? And is there any way for homeowners to fight the zombies?

You can read more about zombie second mortgages online at: npr.org/zombie

Correction: An earlier version of this episode description misspelled Karen McDonough’s last name as MacDonough.

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AI, EVs, and satellites are tackling the climate crisis. But they have environmental downsides. This hour, TED speakers explain how to use these tools without making global warming worse. Guests include AI researchers Sasha Luccioni and Sims Witherspoon, climate researcher Elsa Dominish and astrodynamicist Moriba Jah.

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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A nanosatellites expert explains the process of how CubeSats are selected, scheduled for launch, and eventually deployed from the International Space Station. HWHAP Episode 335.

Why do video game workers offer labor at a discount? How can you design a video game for blind and sighted players? Does that design have lessons for other industries?

These and other questions about the business of video games answered in todays episode. The Indicator just wrapped a weeklong series decoding the economics of the video game industry, we’re excerpting some highlights.

First, we meet some of the workers who are struggling with the heavy demands placed on them in their booming industry, and how they are fighting back.

Then, we check in on how game developers are pulling in new audiences by creatively designing for people who couldn’t always play. How has accessibility become an increasingly important priority for game developers? And, how can more players join in the fun?

You can hear the rest of our weeklong series on the gaming industry at this link, or wherever you get your podcasts.

This episode was hosted by Wailin Wong, Darian Woods, and Adrian Ma. Corey Bridges produced this episode with help from James Sneed. It was edited by Kate Concannon, fact-checked by Sierra Juarez, and engineered by Robert Rodriguez with help from Valentina Rodríguez Sánchez. Alex Goldmark is Planet Money’s executive producer.

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Today on the show, the story of the modern consumer movement in the U.S. and the person who inspired it: Ralph Nader. How Ralph Nader’s battle in the 1960s set the stage for decades of regulation and sparked a debate in the U.S. about how much regulation is the right amount and how much is too much.

This episode was made in collaboration with NPR’s Throughline. For more about Ralph Nader and safety regulations, listen to their original episode, “Ralph Nader, Consumer Crusader.”

This Planet Money episode was produced by Emma Peaslee and edited by Jess Jiang.

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Original broadcast date: Friday, December 3, 2021. Admitting we’re wrong is painful — even seen as a sign of weakness. But what if we take a more flexible approach? This hour: how rethinking ideas can be good for our brains and our relationships. Guests include former GOP congressman Bob Inglis, organizational psychologist Adam Grant, and civil rights activist Loretta J. Ross.

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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A principal investigator talks about an experiment on board the space station observing the forces that drive space weather. HWHAP Episode 334.