On any given day we're lied to from 10 to 200 times, and the clues to detect those lies can be subtle and counter-intuitive. Pamela Meyer, author of "Liespotting," shows the manners and "hotspots" used by those trained to recognize deception -- and she argues honesty is a value worth preserving. (Contains mature content)

Mathematician Steven Strogatz shows how flocks of creatures (like birds, fireflies and fish) manage to synchronize and act as a unit -- when no one's giving orders. The powerful tendency extends into the realm of objects, too.

Accepting his 2008 TED Prize, physicist Neil Turok speaks out for talented young Africans starved of opportunity: by unlocking and nurturing the continent's creative potential, we can create a change in Africa's future.

Jimmy Wales recalls how he assembled "a ragtag band of volunteers," gave them tools for collaborating and created Wikipedia, the self-organizing, self-correcting, never-finished online encyclopedia.

In this bracingly honest talk, international security strategist Thomas Barnett outlines a post-Cold War solution for the foundering U.S. military that is both sensible and breathtaking in its simplicity: Break it in two.

Would you negotiate with someone you knew to be evil, to save lives? Samantha Power tells a story of a complicated hero, Sergio Vieira de Mello. This UN diplomat walked a thin moral line, negotiating with the world's worst dictators to help their people survive crisis. It's a compelling story told with a fiery passion.

Accepting his 2008 TED Prize, author Dave Eggers asks the TED community to personally, creatively engage with local public schools. With spellbinding eagerness, he talks about how his 826 Valencia tutoring center inspired others around the world to open

What's on Elon Musk's mind? In conversation with head of TED Chris Anderson, Musk details how the radical new innovations he's working on -- Tesla's intelligent humanoid robot Optimus, SpaceX's otherworldly Starship and Neuralink's brain-machine interfaces, among others -- could help maximize the lifespan of humanity and create a world where goo...

In a time of mourning and anger over the ongoing violence inflicted on Black communities by police in the US and the lack of accountability from national leadership, what is the path forward? Sharing urgent insights into this historic moment, Dr. Phillip Atiba Goff, Rashad Robinson, Dr. Bernice King and Anthony D. Romero discuss dismantling the ...

Appearing by telepresence robot, Edward Snowden speaks at TED2014 about surveillance and Internet freedom. The right to data privacy, he suggests, is not a partisan issue, but requires a fundamental rethink of the role of the internet in our lives — and the laws that protect it. "Your rights matter," he says, "because you never know when you're ...

"I'm a capitalist. I believe in the system. I believe you can increase the size of the pie and you could divide it well," says Ray Dalio, founder of Bridgewater Associates. He offers wide-ranging insight and advice on how we might recover from the global economic fallout of the coronavirus crisis -- and use it as an opportunity to reform the sys...

Russia's invasion of Ukraine has created previously unthinkable changes in geopolitics, seemingly overnight. In this vital conversation, political analyst Ian Bremmer takes a closer look at the global implications of the war, including NATO and the EU's renewed sense of purpose, the spiral of escalation, energy politics and the significant, pote...

The coronavirus brought much of the world to a standstill, dropping carbon emissions by five percent. Al Gore says keeping those rates down is now up to us. In this illuminating interview, he discusses how the steadily declining cost of wind and solar energy will transform manufacturing, transportation and agriculture, offer a cheaper alternativ...

The co-founder of The Little League, Ritika Temkar, is a perfect mix of comical and comforting. TLL – The Little League is a non profit organisation established to encourage the upliftment of underprivileged children through sport by the means of Interactive charity. As the head of the Child development department of TLL, she is trying to build...