TED Talks Daily

Accused of leaking state secrets, journalist Lei Cheng was imprisoned in China for more than three years, where she was detained in tight quarters and kept under constant supervision. “Freedom is wasted on the free,” she says, recounting how she and fellow inmates found joy in the smallest of moments: the smell of rain, a poem delivered in secrecy, kindness where it seemed undeserved. She distills the unexpected lessons that confinement taught her — and challenges us to rethink what freedom really means.

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Why do wolves howl? With the help of AI, we're getting closer to an answer. Linguist and software engineer Jeffrey T. Reed shares his research on wolf sounds in the wild, revealing the surprisingly complex range of vocalizations — barks, yelps, whimpers, even teeth clacking — these creatures make for different social functions.

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Thinking and talking about gender is complex for anyone, and for some people it’s a frequent conversation–especially for parents. In today’s episode, LB Hannahs, a genderqueer parent, shares their experience of parenting and discusses why they try to center authenticity and gender expansive thinking in the way they live their lives–both in how they interact with their kids, and how they work and show up in their community. Plus, from rethinking the gifts we give children to embracing the spectrums of identity, LB shares actionable recommendations for parents and non-parents alike on how we all can better support the LGBTQ+ people in our lives.

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How do you find the courage to take risks — and succeed? Portrait photographer David Suh and brand builder Molly Graham explore the challenges of building confidence, navigating setbacks and learning to embrace the real "you." (This conversation is part of "TED Intersections," a series featuring thought-provoking conversations between experts navigating the ideas shaping our world.)

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"We should be protecting the Earth — and we can use space technology to do that," says aerospace architect Ariel Ekblaw. Following her talk at TED2025, Ekblaw sat down for a special conversation with Elise Hu, host of TED Talks Daily, to discuss how space-based technology can improve daily life on Earth. From creating artificial retinas in zero gravity to installing solar panels above the atmosphere to capture sunlight, Ekblaw discusses the different technological advancements that help humanity, along with initiatives to build space infrastructure while lowering our carbon footprint.

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Is space the “final frontier” — or the perfect place to revolutionize life on Earth? Space architect Ariel Ekblaw reveals how self-assembling structures could build orbiting real estate in space dedicated to solving humanity’s greatest dilemmas on Earth, leading to scientific and medical breakthroughs only possible in zero gravity.

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Why do we find it easier to trust some concepts and ideas over others? Mathematician Adam Kucharski explores the science of uncertainty, revealing how the very human need for explanation shapes trust in science, fear of technology and belief in conspiracy theories.

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Look around — almost everything you see was manufactured, from baby formula to AI data centers and beyond. Yet we rarely think about how it’s all made. Factory fixer Lauren Dunford pulls back the curtain on modern manufacturing, revealing just how thrilling and world-shaping this unsung engine of progress can be. Discover how reinventing this overlooked industry could be one of the most important opportunities of our time — and why we all have a role to play.

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Many gardeners work hard to maintain clean, tidy environments ... which is the exact opposite of what wildlife wants, says ecological horticulturist Rebecca McMackin. She shows the beauty of letting your garden run wild, surveying the success she's had increasing biodiversity even in the middle of New York City — and offers tips for cultivating a garden that can be home to birds, bees, butterflies and more.

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In a world filled with requests, many of us are struggling to stay afloat. Even if you’re not a people-pleaser, the desire to maintain a positive reputation can make it hard to turn others down. In this episode, Adam explores the art and science of delivering an effective “no.” He highlights strategies for setting boundaries with others to create space for yourself—and healthier relationships with those around you. 

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