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TED Radio Hour

WKNO HD-2
Wednesdays at 3:00 a.m. & 10:00 p.m.

Saturdays at 4:00 a.m.

Sundays at 10:00 p.m.

TED Radio Hour investigates the biggest questions of our time with the help of the world's greatest thinkers. Can we preserve our humanity in the digital age? Where does creativity come from? And what's the secret to living longer? In each episode, host Manoush Zomorodi explores a big idea through a series of TED Talks and original interviews, inspiring us to learn more about the world, our communities, and most importantly, ourselves.

Latest Episodes
  • Psychologist John Wixted says that through the course of a criminal investigation, an eyewitnesses memory can be influenced and altered. But under the right conditions, that testimony can be reliable.
  • Journalist Catherine Price advocates for kids connecting, growing, and playing offline. She shares tips for how kids — and adults — can ditch their phones and embrace the power of fun.
  • Jonathan Haidt created a movement around protecting the "anxious generation" from the harms of social media. Now, his work has fueled a global push to ban kids from these platforms. Will it work?
  • Geneticist Dr. Robert Green is sequencing the DNA of healthy newborns to find hidden disease risks. This knowledge can save lives — but gene sequencing is not a crystal ball.
  • AI has sparked big questions around safety and ethics. OpenAI CEO Sam Altman shares his vision for AI's future and why he thinks the rewards outweigh the risks, live onstage with TED's Chris Anderson.
  • While big tech pours billions into the AGI race, China leans into open source models. NPR's John Ruwitch explains why this approach works in China's favor and what it means for the rest of the world.
  • Tech strategist Alvin Graylin says AI will either cause our demise or usher in an era of abundance. To avert disaster, he says the U.S. and China need to stop the AI arms race and start collaborating.
  • Kids immediately find joy and bliss in a playground. Photographer Stefen Chow wants adults to reconnect to that same feeling.
  • As host of the On Being radio show, Krista Tippett asked guests countless metaphysical questions. But this new year, she recommends tossing the resolutions and turning the big questions on yourself.
  • A new AI tool called Inquire is trained on millions of wildlife photos from citizen scientists worldwide. Researcher Sara Beery hopes it will supercharge ecosystem conservation.
Latest on TED Radio Hour | WKNO 91.1
  • Every day, we make countless choices—but are these decisions guided by desire or design? This hour, TED speakers on what shapes the food we eat, how we power our homes, and how we communicate. Guests include food systems expert Sarah Lake, infrastructure engineer Deb Chachra, cross-cultural psychologist Michele Gelfand, urban planner Jeff Speck, and Tempe resident Ignacio Delgadillo. Original broadcast date: May 2, 2025To manage podcast ad preferences, review the links below:See pcm.adswizz.com for information about our collection and use of personal data for sponsorship and to manage your podcast sponsorship preferences.NPR Privacy Policy
  • The time has come for humanity to make a choice: Will we build AI to replace humans or enhance them? This hour, the "humanistic AI" philosophy, a test case, and a glimpse into the future of work.Guests include Siri co-creator Tom Gruber, CENTURY Tech CEO Priya Lakhani and Robinhood CEO Vlad Tenev.TED Radio Hour+ listeners now get access to bonus episodes, with more ideas from TED speakers and deeper conversations with Manoush. By signing up for Plus, you directly support our work and public media, so all your episodes (like this one!) come to you without sponsor breaks. Learn more at plus.npr.org/ted.To manage podcast ad preferences, review the links below:See pcm.adswizz.com for information about our collection and use of personal data for sponsorship and to manage your podcast sponsorship preferences.NPR Privacy Policy
  • Emotions sometimes feel overwhelming and debilitating — but science-backed tools can help us wrangle them. This hour, neuroscientist Ethan Kross shares research from his Emotion and Self-Control Lab. Original air date: March 7, 2025.TED Radio Hour+ listeners now get access to bonus episodes, with more ideas from TED speakers and deeper conversations with Manoush. By signing up for Plus, you directly support our work and public media, so all your episodes (like this one!) come to you without sponsor breaks. Learn more at plus.npr.org/ted.To manage podcast ad preferences, review the links below:See pcm.adswizz.com for information about our collection and use of personal data for sponsorship and to manage your podcast sponsorship preferences.NPR Privacy Policy
  • Do you see images in your mind? Do you have an inner monologue? Do you have memories you swear are real? Our minds have tremendous variation. This hour, insights on how our brains construct reality. Guests include the editorial director of TED-Ed animations Alex Rosenthal, psychologist John Wixted and love coach Francesca Hogi.This episode of TED Radio Hour was produced by Katie Monteleone, James Delahoussaye and Matthew Cloutier. It was edited by Sanaz Meshkinpour and Manoush Zomorodi.Our production staff at NPR also includes Harsha Nahata, Rachel Faulkner White, Fiona Geiran and Phoebe Lett. Our executive producer is Irene Noguchi. Our audio engineers were Damian Herring and Zo van Ginhhoven.To manage podcast ad preferences, review the links below:See pcm.adswizz.com for information about our collection and use of personal data for sponsorship and to manage your podcast sponsorship preferences.NPR Privacy Policy
  • “Marty Supreme” stars Timothée Chalamet as a young, brash table tennis player in the 1950s trying to hustle his way to a world championship. One of the characters standing in Marty’s way is played by frequent guest, Pico Iyer, a TED speaker and travel writer who’d never acted before. In this bonus episode, Iyer shares how a TED talk unexpectedly landed him the role and reflects on how this simple game can teach us to play with someone, not just against them.This bonus episode was released early on TED Radio Hour+. Listeners there get access to regular bonus episodes (like this one) as well as all of our episodes, sponsor-free. That’s because with Plus, you directly support our work and public radio. You can join at plus.npr.org/ted.To manage podcast ad preferences, review the links below:See pcm.adswizz.com for information about our collection and use of personal data for sponsorship and to manage your podcast sponsorship preferences.NPR Privacy Policy
  • Can otters be city dwellers? Are aliens real? Do we have to experience misery to understand happiness? On this episode, we investigate how strange bedfellows can lead to radical realizations. Guests include evolutionary biologist Philip Johns, astrophysicist Avi Loeb and author Laurel Braitman.Original air date: March 21, 2025TED 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.To manage podcast ad preferences, review the links below:See pcm.adswizz.com for information about our collection and use of personal data for sponsorship and to manage your podcast sponsorship preferences.NPR Privacy Policy
  • Negotiations are a part of life, but too often they end up in an ugly confrontation or stalemate. This hour, TED speakers share ideas on navigating conflicts with more clarity and less fear. Guests include mediator and law professor Alex Carter and linguist Magdalena Hoeller.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.To manage podcast ad preferences, review the links below:See pcm.adswizz.com for information about our collection and use of personal data for sponsorship and to manage your podcast sponsorship preferences.NPR Privacy Policy
  • MLK Jr., Malcolm X and James Baldwin are household names, but what about their mothers? This hour, author Anna Malaika Tubbs explores how these three women shaped American history. Original air date: February 27, 2026.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.To manage podcast ad preferences, review the links below:See pcm.adswizz.com for information about our collection and use of personal data for sponsorship and to manage your podcast sponsorship preferences.NPR Privacy Policy
  • Is tech rewiring childhood or exposing what’s already broken? Jonathan Haidt, Catherine Price, and a Gen Z advocate debate social media bans, attention and what “fun” looks like off-screen. Guests include social psychologist Jonathan Haidt, youth online safety activist Maximilian Milovidov and author Catherine Price.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.To manage podcast ad preferences, review the links below:See pcm.adswizz.com for information about our collection and use of personal data for sponsorship and to manage your podcast sponsorship preferences.NPR Privacy Policy
  • What's the image you present to the world? And do you see yourself the same way? This hour, TED speakers add new dimensions to the idea of self perception. Guests include portrait photographer David Suh, social psychologist Dolly Chugh, journalist Elise Hu and science writer Anil Ananthaswamy. Original air date: April 4, 2025TED 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.To manage podcast ad preferences, review the links below:See pcm.adswizz.com for information about our collection and use of personal data for sponsorship and to manage your podcast sponsorship preferences.NPR Privacy Policy