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...

In this video Paul Andersen describes the pros and cons of industrial agriculture including: monocropping, irrigation, and the use of pesticides, fertilizers, and GMOs.

On this Crash Course in World Mythology, Mike Rugnetta is teaching you about floods and deluges, specifically in China. In Chinese myth, flood stories pretty much all revolve around a guy named Yu the Great, or Yu the Engineer. In the...

Zombies are everywhere! Wait, don't panic- we mean in pop culture, not outside your window. But why is that? Bad guys and monsters seem to go through phases: one decade there's a dozen movies about aliens, ten years later it's vampires....

In which Mike Rugnetta sits you down for a little talk about myth as a way to construct or reinforce social orders. Specifically, we're going to look today at stories from around the world that establish or amplify the idea that the...

In which Mike Rugnetta quests for knowledge of the Holy Grail of Mythology. Which is the actual, literal Holy Grail! The cup of Christ! Legends about the Holy Grail are often connected to the British legends of King Arthur, and this...

Quantum mechanics is our best theory of the fundamental nature of reality, but it's usually only distinguishable from familiar classical mechanics on the smallest scales. But it’s also possible that our entire galaxy is filled with a...

We have no idea what dark matter is, other than it’s some source of gravity that is completely invisible but exerts way more pull that all of the regular matter. More than all of the stars, all of the gas, all of the black holes…unless...

Spacetime on its smallest scales is a seething ocean of black holes and wormholes flickering into and out of existence—or so many physicists think has to be the case. But why should we take this spacetime foam seriously if we’ve never...

In order to see the faint light from objects in deepest space, astronomers go to the darkest places on the planet. In order to listen to their quite radio signals, they head as far from any radio-noisy humans as possible. But there’s...

It’s hard to interpret the strange results of quantum mechanics, though many have tried. Interpretations range from the outlandish—like the multiple universes of Many Worlds, to the almost mundane, like the very mechanical Pilot Wave...

Whenever we open a new window on the universe we discover something new. Whether it's figuring out how to see to greater distances like with telescopes, or down to smaller size-scales like with microscopes, or perhaps expanding our...

A fun nightmare sci-fi scenario is the sun being consumed by a black hole. Fortunately the chance of a black hole randomly wandering into our solar system is pretty tiny. That’s good news. But what if it’s already here, hiding in the...