This revolutionary moment in space exploration | Chris Hadfield

What does it feel like to see Earth from outer space and imagine humanity's next steps? Astronaut Chris Hadfield, who has flown two Space Shuttle missions and served as commander of the International Space Station, explores the recent leaps in space exploration. From the thrills and risks of commercial space travel to collaborating as a species to shape the future, Hadfield reflects on what inspires innovation and our dreams of visiting the stars. (This conversation, hosted by TED's Whitney Pennington Rodgers, was part of an exclusive TED Membership event. TED Membership is the best way to support and engage with the big ideas you love from TED. To learn more, visit ted.com/membership.) Hosted on Acast. See acast.com/privacy for more information.

We are living through what may be the largest economic bubble in history, spanning AI, cryptocurrency and tech company stocks, says financial analyst Henrik Zeberg. He explores why the current AI-crypto bubble mirrors the great economic frenzies of the past, revealing the psychological forces behind them — and why it looks like we're repeating the same patterns again. Hosted on Acast. See acast.com/privacy for more information.

Everything successful starts with heart — even the most pragmatic business plan, says Sharon Price John, CEO of Build-A-Bear. She shares how she led a purpose-centered approach to save the beloved teddy bear company from bankruptcy and get it back to global profitability, all by asking one powerful question. Hosted on Acast. See acast.com/privacy for more information.

Daredevil Michelle Khare has trained with Olympians, run seven marathons on seven continents in a single week, and even escaped Harry Houdini's deadliest stunt. She shares how embracing fear, failure and an "amateur’s mindset" transformed her from a cautious child into someone who proves that daredevils aren't born — they're developed. Hosted on Acast. See acast.com/privacy for more information.

When kids say school is "fine," that's the sound of potential fading, says education innovator Aylon Samouha. He introduces Transcend, the nonprofit engaging communities across the US to redesign their schools and connect learning to the world kids are growing into. Check out what school looks like when students are solving real-world problems and building things that matter, not just studying what's on the test. (This ambitious idea is part of The Audacious Project, TED's initiative to inspire and fund global change.) Hosted on Acast. See acast.com/privacy for more information.

In 1999, a NASA mission to Mars failed ... not from a technical glitch, but because people weren't talking to each other. Psychology professor Tessa West explores how assumptions, overlooked details and "hidden languages" can quietly sabotage even the smartest teams — and explores the small shifts in communication that can make a big difference in how information lands. Hosted on Acast. See acast.com/privacy for more information.

How can you make your life meaningful with the finite amount of time you have? In this TED Talks Daily Book Club interview, host Elise Hu speaks with Oliver Burkeman about his book “Meditations for Mortals: Four Weeks to Embrace Your Limitations and Make Time for What Counts.” They explore Oliver's philosophy of “imperfectionism” and shows how choosing to let go can help you feel more in control. Hosted on Acast. See acast.com/privacy for more information.

For the first time in climate negotiations, leaders are asking the question that actually matters: not just how do we solve the climate crisis — but why aren't we? Join Nobel laureate Al Gore for an in-depth conversation with Wanjira Mathai and Karenna Gore, leaders of the Global Ethical Stocktake: an urgent, values-first reset that seeks to center justice, phase out fossil fuels and elevate Indigenous and Global South leadership. Discover the initiative that's making fossil fuel lobbyists squirm and climate veterans hopeful — before the world moves on to COP31.Please note, this conversation was recorded live on November 14, 2025, at the TED Countdown House at the United Nations Climate Change Conference, or COP30, in Belém, Brazil. There are a variety of names mentioned during the conversation of global leaders involved in the convening that took place at COP30, they are as follows (listed in order of mention):Laurence Stebiana, Special Envoy to Europe for COP30Marina Silva, Brazil's Minister of the Environment and Climate ChangeKumi Naidoo, South African human rights activist and former director of GreenpeaceSelwin Hart, Special Adviser to the United Nations Secretary-General on Climate Action and Just TransitionAntónio Guterres, United Nations Secretary-General Gus Speth, American environmental lawyer"Mutirão COP30," the Tupi-Guarani term meaning "a collective effort or community mobilization" Hosted on Acast. See acast.com/privacy for more information.

The late Stanford neuroscientist Nolan Williams shares his research on the potential of a plant-derived psychoactive compound called ibogaine to help people with traumatic brain injury recover from PTSD, depression and anxiety. (Followed by a brief Q&A with Head of TED Chris Anderson) Hosted on Acast. See acast.com/privacy for more information.

Every minute somewhere in Europe, a house is demolished — along with the memories and sense of community it holds, says architect Olaf Grawert. Exposing the human and environmental cost of demolition for profit, he highlights a bold alternative that could address the growing housing crisis. Learn how rethinking the value of the buildings we already have could create sustainable, affordable homes for millions and reshape the future of cities. Hosted on Acast. See acast.com/privacy for more information.