Today's refugee crisis is the biggest since World War II, and it's growing. When this talk was given, 50 million people had been forcefully displaced from their homes by conflict and war; as of 2021, the number grew to more than 82 million. There were three million Syrian refugees in 2014; now there are 5.5 million languishing in neighboring cou...

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.

Severine Autesserre studies the Democratic Republic of Congo, which is in the middle of the deadliest conflict since World War II; it's been called "the largest ongoing humanitarian crisis in the world.” The conflict seems hopelessly, unsolvably large. But her insight from decades of listening and engaging: The conflicts are often locally based....

What can a young woman with an idea, an Internet connection and a bit of creativity achieve? That's all Siyanda Mohutsiwa needed to unite young African voices in a new way. Hear how Mohutsiwa and other young people across the continent are using social media to overcome borders and circumstance, accessing something they have long had to violentl...

Computer science professor Shimon Schocken is also an avid mountain biker. To share the life lessons he learned while riding, he began an outdoor program with Israel's juvenile inmates and was touched by both their intense difficulties and profound successes. Photographs by Raphael Rabinovitz.

Sampling isn't about "hijacking nostalgia wholesale," says Mark Ronson. It's about inserting yourself into the narrative of a song while also pushing that story forward. In this mind-blowingly original talk, watch the DJ scramble 15 TED Talks into an audio-visual omelette, and trace the evolution of "La Di Da Di," Doug E. Fresh and Slick Rick's ...

We're at a unique moment in history, says UK Prime Minister Gordon Brown: we can use today's interconnectedness to develop our shared global ethic -- and work together to confront the challenges of poverty, security, climate change and the economy.

The SETI Institute's Jill Tarter makes her TED Prize wish: to accelerate our search for cosmic company. Using a growing array of radio telescopes, she and her team listen for patterns that may be a sign of intelligence elsewhere in the universe.

Sixty-five million people were displaced from their homes by conflict and disaster in 2016. It's not just a crisis; it's a test of who we are and what we stand for, says David Miliband -- and each of us has a personal responsibility to help solve it. In this must-watch talk, Miliband gives us specific, tangible ways to help refugees and turn emp...

Convince just 100 key companies to go sustainable, and WWF's Jason Clay says global markets will shift to protect the planet our consumption has already outgrown. Hear how his extraordinary roundtables are getting big brand rivals to agree on green practices first -- before their products duke it out on store shelves.

How can we harness the power of superintelligent AI while also preventing the catastrophe of robotic takeover? As we move closer toward creating all-knowing machines, AI pioneer Stuart Russell is working on something a bit different: robots with uncertainty. Hear his vision for human-compatible AI that can solve problems using common sense, altr...

Accepting his 2007 TED Prize, war photographer James Nachtwey shows his life's work and asks TED to help him continue telling the story with innovative, exciting uses of news photography in the digital era.

French street artist JR uses his camera to show the world its true face, by pasting photos of the human face across massive canvases. At TED2011, he makes his audacious TED Prize wish: to use art to turn the world inside out.

How much land mass would renewables need to power a nation like the UK? An entire country's worth. In this pragmatic talk, David MacKay tours the basic mathematics that show worrying limitations on our sustainable energy options ... and explains why we should pursue them anyway.

After 15 years in the British diplomatic corps, Carne Ross became a "freelance diplomat," running a bold nonprofit that gives small, developing and yet-unrecognized nations a voice in international relations. At the BIF-5 conference, he calls for a new kind of diplomacy that gives voice to small countries, that works with changing boundaries and...

Sure, the web connects the globe, but most of us end up hearing mainly from people just like ourselves. Blogger and technologist Ethan Zuckerman wants to help share the stories of the whole wide world. He talks about clever strategies to open up your Twitter world and read the news in languages you don't even know.

How do we make sense of today's political divisions? In a wide-ranging conversation full of insight, historian Yuval Harari places our current turmoil in a broader context, against the ongoing disruption of our technology, climate, media -- even our notion of what humanity is for. This is the first of a series of TED Dialogues, seeking a thought...

In her talk, Sydney shares the foundational techniques that we can employ in our society and thought processes to help empower youth to express themselves through their gender identity. She shares personal anecdotes and her journey of gender expression to help create a memorable experience for the audience that would truly help make a difference.

Jacinda Barclay is an Australian sportswoman who has played baseball, Australian football, and American football at high professional levels. She has been dubbed the ‘Sonny Bill Williams’ of women’s sport and even placed as the most successful multi-sport female athlete in Australia! Sudan Somasundaram is the founder and core senior staff of D...

Né en Corse, Damien Stein a d'abord forgé sa cinéphilie dans les universités de Montpellier et Rennes. Il passe les années suivantes à découvrir les différents postes du cinéma sur de moyennes et grosses productions, pour finalement se concentrer sur la mise en scène. Son premier film ( «Une balade à la mer», 2013), remportera un succès notable ...

Developing your purpose in life is your contribution to building a better tomorrow for all of us. By finding her purpose in service to others, Katherine discovered that surfing is shaping a future for a coastal community lacking minimum resources necessary for long-term well-being.

Agriculture is an industry, and just like every other industry, it has some problem solving to accomplish. The need for bright, innovative, and passionate agricultural talent is pressing, but in order to locate and recruit this talent, we’ll have to first break the mold of the “traditional” agriculturalist.

Sedin Zunic was born in Bosnia and has been in love with the art of drawing his whole life. He creates his things, rather than buy them and his art has become a natural part of who he is. Sedin came to Norway in 1993 and got introduced to the urban subculture in Kristiansand filled with street art. He is the founder of KRS Gadekunst foundation, ...

Es ist beeindruckend, wie sehr soziale Netzwerke die Medienlandschaft verändert haben, seit diese nicht mehr aus unserem Alltag wegzudenken sind. Sie geben denjenigen eine Bühne, die sonst nicht sichtbar wären und sorgen auf diese Weise für ein neues, authentisches Spiegelbild unserer Gesellschaft: divers und multikulturell oder anders gesagt: e...

Do you ever feel like your life is out of balance? That the things that consume the most of your time aren’t really the things you care the most about? Do you ever feel overwhelmed by things you cannot control but they happen to you or someone you care about anyway? Do the expectations of and responsibility to others always seem to take priority...

Isabela is passionate about Latin and devoted her PhD thesis to bring to life the most accurate and precise version of the key to our western languages, the most ancient book in Latin: Alcuin’s Ars Grammatica. Isabela’s thesis, “Alcuin’s Ars Grammatica. Translation and Philological Study” was done under the supervision of Prof. Karin Schlapbac...

Sydney Hampshire tells her story of resilience, disability, and adversity; and what we can do to be stronger and happier in our own lives.

In this highly informative video, Jaafar Soudani talks about the latest trends in automation technologies — and how it will affect the various aspects of our life. Through a wide range of illustrative images and videos, Jaafar will introduce to us the scope of these new changes. This video was filmed before the novel coronavirus pandemic.

Scientists have wondered for many years why Ashkenazic Jews are disproportionally subject to certain genetic diseases. A geneticist named Shai Carmi found a surprising answer using modern genome analysis tools. Carmi has written that in the fourteenth century the root stock of this now large population consisted of only about 350 breeding in...

Recording artist Allen Stone performs "Last to Speak," "Circle," and "Where You're At" and between songs delivers a message on mental real estate, specifically how he learned to allocate his to better benefit his health. He describes how he used to allocate a significant amount of his mental real estate to bitterness, but when he let go of the b...