Your immune system keeps a record of everything it’s ever fought, from the common cold to chronic disease. Neuroscientist and TED Fellow Beck Brachman explains how, by decoding this archive, scientists may be able to identify the root...

Impact investor and Acumen CEO Jacqueline Novogratz unveils a bold vision to bring off-grid solar electricity to 700 million people still living in darkness, transforming lives while slashing emissions. She asks a thought-provoking...

The Middle East is a climate hotspot, with many parts of the region set to experience an increase in temperature by five to eight degrees Celsius by the end of the century. Palestinian peace activist Nada Majdalani discusses how the...

The number of forcibly displaced people across the world is on the rise. While aid systems often focus on providing basic necessities like food and shelter, Julienne Oyler and her team at the nonprofit Inkomoko have a more ambitious...

The real lever of a meaningful life isn’t intelligence or hustle — it’s personal agency, says Cate Hall, former Supreme Court attorney and once the world’s top-ranked female poker player. Sharing her journey from the throes of addiction...

If DNA is just a string of letters, could AI learn to read it … or even write it? Bioengineering researcher Eric Nguyen reveals how AI has upended the rules of biology, potentially creating a future where disease is cured with...

As a film and television director, Barry Sonnenfeld had millions of dollars riding on his ability to get his cast and crew to play along — and much of what he learned along the way applies to everyday life. Here, he shares nine bits of...

What if AI could help you make the perfect video game — in seconds? In this cutting-edge demo, 3D AI innovator Kiran Bhat co-creates a never-before-seen Roblox world with the TED audience — transforming the crowd’s suggestions into a...

Maps have long helped us understand the world — now, they can help us shape it. Digital cartographer Peter Wilczynski introduces the Living Globe: a real-time, data-rich digital twin of Earth that fuses satellite imagery, sensor data and...

Exhausted from carrying water up a hill to keep her small farm in Kenya thriving, Josephine Waweru received an unexpected call that offered a nearly unbelievable solution. She shares how one simple device allowed her crops (and her...

How do you know if that shocking photo in your feed is real, or just another AI fake? Digital forensics expert Hany Farid explains how he helps journalists, courts and governments find structural errors in AI-generated images, offering...

Sometimes feeding just one child can seem challenging. Not for entrepreneur Wawira Njiru, who’s gone from serving lunch to 25 children from a makeshift kitchen to establishing her nonprofit, Food4Education, as a cornerstone of Kenya’s...

The US political system is broken — and the solution might be in the palm of your hands, says political strategist Bradley Tusk. Drawing on his deep experience with government and technology, he makes the case for allowing Americans to...

How does a city change when its art doesn’t hang on museum walls but instead roams the streets? Artist Frédette Lampre of the production company La Machine shares how their towering, handcrafted mechanical creations transform urban...

In a moment that stunned the world in 2019, the famed Notre-Dame in Paris went up in flames, threatening the future of the centuries-old Gothic treasure. Philippe Villeneuve, the chief architect of the cathedral’s restoration, recounts...

Whether it’s micromanaging playtime, constantly hovering or incessantly texting, the adult takeover of childhood has created a crisis of anxiety in both children and parents, says Lenore Skenazy, cofounder and president Let Grow, an...

AI is transforming the way we work — could it also reshape what makes us human? In this quick and insightful talk, evolutionary anthropologist Sarah Blaffer Hrdy explores how the human brain was shaped by millions of years of shared...

Do you know what you want to preserve for the next generation? asks community leader Ndinini Kimesera Sikar. Drawing on her experience growing up in a family of 38 in a traditional Maasai village in Tanzania — where every chore was...

Duncan Keegan doesn't consider himself a poet, but this deeply beautiful talk shows otherwise. With simple grace and quiet eloquence, he celebrates family, connection and togetherness, often most called for at the hardest of times.

Who do you turn to when panic strikes in the middle of the night — and can AI help? Psychologist Alison Darcy shares the vision behind Woebot, a mental health chatbot designed to support people in tough moments, especially when no one...

Jedi master of visual effects Rob Bredow, known for his work at Industrial Light & Magic and Lucasfilm, takes us on a cinematic journey through the evolution of visual effects, with behind-the-scenes stories from the making of fan...

What does it actually mean to be a "real man" these days? In a personal talk packed with actionable advice, youth advocate Davonte Green challenges age-old stereotypes about masculinity, showing that emotional intelligence and...

Technologist Tristan Harris has an urgent question: What if the way we’re deploying the world’s most powerful technology — artificial intelligence — isn’t inevitable, but a choice? In this eye-opening talk, he calls on us to learn from...

Tech innovator Avni Patel Thompson designed an app to shield busy parents from the chaos of scheduling school pickups, coordinating playdates, planning birthday parties and more — but as the product developed, something felt off. What...