TED Radio Hour
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The TED Radio Hour is a narrative journey through fascinating ideas, astonishing inventions, fresh approaches to old problems, and new ways to think and create.
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Episodes
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Stephen Petranek: How Will Humans Live On Mars?
Stephen Petranek says, in the next decade, we will send humans to colonize Mars. He lays out the technology--from water-extraction to bricks made of Martian soil--that'll make life possible there.
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Tristram Stuart: Can Feeding Scraps To Livestock Help Tackle The Food Waste Crisis?
Our industrial food system is doing serious damage to our planet and food waste is a rampant problem. Tristram Stuart offers one strategy to combat food waste: cook scraps and feed them to livestock.
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Kate Raworth: How Can We Create A Thriving Economy For Ourselves And The Planet?
We're often told that economic growth is good, but Kate Raworth says our addiction to growth is destroying the planet. To thrive in the 21st century, she says we need a new circular economic system.
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Jessi Arrington: How Can Thrifting Clothes Help The Environment — And Your Style?
Fast fashion is wreaking havoc on the environment. That's why Jessi Arrington makes a point of (almost) never buying anything new. She explains how she builds a sustainable wardrobe that looks great.
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Kate Orff: How Can Oysters Revive New York City's Waterways?
Oysters filter water, their shells form protective reefs and habitats, and regenerate into more oyster shells. Kate Orff uses oysters to revive depleted ecosystems — like those around New York City.
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David Katz: How Can We Address Ocean Plastic Pollution And Poverty At The Same Time?
Millions of tons of plastic flow into the ocean each year. David Katz's Plastic Bank helps turn off the tap — and gives the poor an income source — creating a circular economy around plastic waste.
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Simone Giertz: What Can Making Useless Robots Teach Us About Joy?
Simone Giertz is an inventor of useless robots. She finds joy and freedom in learning to build machines that are meant to fail. She shares that joy with millions through her YouTube channel.
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Meklit Hadero: How Can We Find Joy In Everyday Sounds?
Meklit Hadero hears joyful music everywhere: in laughter, nature, language, and even the sounds of cooking. She believes her job as a musician is to uncover joy and create music from it.
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David Baron: Why Should You Experience A Total Solar Eclipse?
The moment David Baron saw his first total solar eclipse in 1998, he was hooked. He's spent the last 20 years chasing them across the globe—all for a few minutes of joy, wonder and awe.
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Ingrid Fetell Lee: How Can We Design More Joy Into Our Surroundings?
Ingrid Fetell Lee discovered that certain elements--like bright color, abundance, round shapes--are universally joyful. She says designing more joyful spaces can actually change how we feel and act.
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Yasmin Green: How Did The Internet Become A Platform For Hate Groups?
Extremist groups have co-opted the Internet's connective power to recruit members. Yasmin Green explores how the Internet has allowed extremism to spread, and how technology can combat it.
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Yuval Noah Harari: Could Big Data Destroy Liberal Democracy?
Yuval Noah Harari says data is the new source of political power, and he worries that big data and AI technology threaten to destroy liberal democracy.