People told me this was an unadaptable book, so the only logical thing to do was to try to adapt it, says writer, producer and filmmaker Ava DuVernay of her work taking the award-winning title "Caste" from page to screen. In conversation...

What would happen to humanity if generosity went viral? Sharing transformative stories from around the world, head of TED Chris Anderson outlines why the time has come for the internet to realize its power to supercharge small acts of...

The city of Port Talbot in South Wales is known for a few things: a steel mill, a proudly working class population and a passionate commitment to the arts that produced Hollywood superstars Richard Burton and Anthony Hopkins. In this...

Who deserves to be in a museum? For too long, the answer has been "the extraordinary" -- those aspirational historymakers who inspire us with their successes. But those stories are limiting, says museum curator Ariana Curtis. In a...

Every day, in a city the size of London, 30 million meals are served. But where does all the food come from? Architect Carolyn Steel discusses the daily miracle of feeding a city, and shows how ancient food routes shaped the modern world.

As COVID-19 spread, BioNTech cofounders Uğur Şahin and Özlem Türeci had one goal: to make a safe, effective vaccine faster than ever before. In this illuminating conversation with head of TED Chris Anderson, the immunologists (and...

* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. Writer and artist James Bridle uncovers a dark, strange corner of the internet, where unknown people or groups on...

When Jimmy Nelson traveled to Siberia to photograph the Chukchi people, elders told him: "You cannot photograph us. You have to wait, you have to wait until you get to know us, you have to wait until you understand us." In this...

Calling them "our bodies' own repair kits," Susan Solomon advocates research using lab-grown stem cells. By growing individual pluripotent stem cell lines, her team creates testbeds that could accelerate research into curing diseases --...

Faith Jegede tells the moving and funny story of growing up with her two brothers, both autistic -- and both extraordinary. In this talk from the TED Talent Search, she reminds us to pursue a life beyond what is normal.

The former prime minister of Australia, Kevin Rudd is also a longtime student of China, with a unique vantage point to watch its power rise in the past few decades. He asks whether the growing ambition of China will inevitably lead to...

How can robots learn to stabilize on rough terrain, walk upside down, do gymnastic maneuvers in air and run into walls without harming themselves? Robert Full takes a look at the incredible body of the cockroach to show what it can teach...

Biologist Robert Full shares slo-mo video of some captivating critters. Take a closer look at the spiny legs that allow cockroaches to scuttle across mesh and the nanobristle-packed feet that let geckos to run straight up walls.

It's been said that when an elder dies, it's as if a library is burned. Anthropologist Elizabeth Lindsey, a National Geographic Fellow, collects the deep cultural knowledge passed down as stories and lore.

In this illuminating talk, Richard Pyle shows us thriving life on the cliffs of coral reefs and groundbreaking diving technologies he has pioneered to explore it. He and his team risk everything to reveal the secrets of undiscovered...

"Ebola threatens everything that makes us human," says Bruce Aylward of the World Health Organization. And when the Ebola epidemic exploded in 2014, it caused a worldwide panic. But humanity can beat Ebola -- and Aylward shows four...

Viral beatboxer Tom Thum has an orchestra in his mouth, but how does he make all those sounds? Get an up-close-and-personal look as laryngeal surgeon Matthew Broadhurst sticks a camera down Thum's throat while he creates a mind-boggling...

Activist Caroline Casey tells the story of her extraordinary life, starting with a revelation (no spoilers). In a talk that challenges perceptions, Casey asks us all to move beyond the limits we may think we have.

Take a mind-blowing trip to the lab as TED Senior Fellow Andrew Pelling shares his research on how we could use fruits, vegetables and plants to regenerate damaged human tissues -- and develop a potentially groundbreaking way to repair...

Diana Laufenberg shares three surprising things she has learned about teaching -- including a key insight about learning from mistakes.

Sir Ken Robinson makes an entertaining and profoundly moving case for creating an education system that nurtures (rather than undermines) creativity.

Why do some people do selfless things, helping other people even at risk to their own well-being? Psychology researcher Abigail Marsh studies the motivations of people who do extremely altruistic acts, like donating a kidney to a...

Master storyteller Malcolm Gladwell tells the tale of the Norden bombsight, a groundbreaking piece of World War II technology with a deeply unexpected result.

With stunning photos and stories, National Geographic Explorer Wade Davis celebrates the extraordinary diversity of the world's indigenous cultures, which are disappearing from the planet at an alarming rate.