TED Radio Hour

Fridays at 7:00 p.m.

A journey through fascinating ideas, astonishing inventions, and new ways to think and create. Based on riveting TEDTalks from the world's most remarkable minds.

For more information, visit the TED Radio Hour on NPR.

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TED Radio Hour
8:42 am
Fri July 26, 2013

Are Earth's Deepest Caves The Last Frontier?

Robert Leslie TED

Originally published on Thu December 26, 2013 12:39 pm

Part 2 of the TED Radio Hour episode To The Edge.

About Bill Stone's TEDTalk

Bill Stone is a maverick cave explorer who has plumbed Earth's deepest abysses. In this talk, he explains what it's like to descend into the deepest caves in complete darkness for days on end — and why he keeps doing it.

About Bill Stone

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TED Radio Hour
8:41 am
Fri July 26, 2013

To The Edge

What motivates explorers to venture into the unknown?
TED

Originally published on Fri November 8, 2013 9:02 am

"Certainly to enter a world of terror, you should not be pushed by someone. You should be called. You should be curious. You should have the heart of an explorer." — Philippe Petit, high-wire artist

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Podcasts

  • Thursday, July 24, 2014 11:43pm

    Is leadership only reserved for the extraordinary few? Who has what it takes to disrupt the status quo? In this hour, TED speakers share ideas about what it takes to forge a new path. Four-star general Stanley McChrystal recounts some tough lessons about leadership he gained from the front lines. Facebook COO Sheryl Sandberg gets to the bottom line for women who want to lead. Bunker Roy created a school in India that equips rural women for leadership by training them to become solar engineers, artisans, dentists and doctors. Drew Dudley calls on us to celebrate leadership as the everyday act of improving each other’s lives. Seth Godin believes the Internet gives ordinary people the power to lead.

  • Thursday, July 17, 2014 11:43pm

    From Little League to the Olympics, athletic mastery plays a major role in our sense of achievement. But how do elite athletes push the limits of speed, strength and endurance? In this hour, TED speakers explore the minds and bodies of champions who achieve extraordinary physical feats, over and over again. Long-distance swimmer Diana Nyad takes us on the journey of her historic swim from Cuba to Florida at age 64. Sports journalist David Epstein explores the technology, genetics, and willpower that allow champions to break new records each year. Paralympic snowboarder Amy Purdy talks about how losing her legs at age 19 enabled her to achieve more than she ever dreamed. Historian Sarah Lewis explains why the near-win motivates us to keep going.

  • Thursday, July 10, 2014 11:53pm

    Science and technology now allow us to "hack" solutions to the biggest challenges of our time. But how far is too far? And what are the consequences of these hacks? In this hour, we hear stories from TED speakers who dare to hack the brain, the climate, and even the animal kingdom in hopes of creating a better world. Computer security expert Mikko Hyppönen describes how he discovered the first PC virus and what he learned about protecting the Internet today. Environmentalist Stewart Brand says we now have the technology to bring back some of the species that humanity has wiped out. Climate scientist David Keith proposes a cheap and surprising way to address climate change. Inventor Jay Silver encourages everyone to play with the world around us. Neurosurgeon Andres Lozano talks about dramatic findings in deep brain stimulation.

  • Thursday, July 3, 2014 12:33am

    Gazing up at the night sky is simultaneously humbling and utterly thrilling. This hour, we’ll hear from TED speakers who share an infectious sense of wonder and curiosity about our place in the universe and what lies beyond our skies. Phil Plait breaks down how we can defend Earth from an asteroid. Jill Tarter of the SETI Institute explains why it’s crucial for humans here on earth to continue searching for sentient beings in the cosmos. Physicist Brian Greene unravels the strange tale of dark matter and why our universe may be one of many in the “multiverse.”

  • Thursday, June 26, 2014 11:43pm

    Even the most original ideas are essentially remixes.  When is copying flattery, when is it thievery, and when is it sheer genius? In this hour, TED speakers explore how sampling, borrowing, and riffing make all of us innovators. Sampling music isn't about "hijacking nostalgia wholesale," says DJ Mark Ronson. It's about inserting yourself into the narrative of a song while pushing that story forward. Filmmaker Kirby Ferguson says nothing is original and that our most celebrated creators steal ideas — and transform them into something new. Clothing designs aren’t protected by copyright — and the industry benefits by being more innovative, says Johanna Blakley. People often credit their ideas to individual "Eureka!" moments. But writer Steven Johnson shows how history tells a different story.