Why do some of us feel so tired, while others seem to have endless energy? This hour, host Manoush Zomorodi explores what science is revealing about stress, breathing, cellular energy and the body.

Guests include mitochondrial psychobiologist Martin Picard and science journalist James Nestor.

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.

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When stress, fear or sadness weigh on us, our hearts can suffer — even break. But there are ways to mend our broken hearts. This hour, TED speakers share stories and ideas about soothing heartache.

Guests include cardiologist Sandeep Jauhar, law professor Jeannie Suk Gersen, pediatric nurse Hui-wen Sato, and social worker Knut Ivar Bjørlykhaug.

This episode originally aired October 1, 2021.

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.

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From peptides and protein, to sleep hygiene and vaccines, what actually helps you age well? Physician Eric Topol breaks down the science — and the myths — of longevity and anti-aging.

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.

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Information feels more accessible than ever, but the ways we store data are surprisingly fragile. Can we save anything forever? This hour, TED speakers explore preserving our past, present and future. Guests include game designer CM Ralph, digital librarian Brewster Kayle, molecular biologist Dina Zielinksi and archeologist Chris Fisher.

Original air date: January 27, 2023

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.

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Philosopher Meghan Sullivan says during tough times, ancient wisdom can serve as a guide. From politics to religion to AI, she poses big questions to help you find out what the good life means today.

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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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, 2025

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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.

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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.


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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.


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“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.

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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, 2025

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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