Do you think you're good at spotting fake videos, where famous people say things they've never said in real life? See how they're made in this astonishing talk and tech demo. Computer scientist Supasorn Suwajanakorn shows how, as a grad...

If you've watched the news or followed politics, chances are you've heard the term Orwellian thrown around in one context or another. But have you ever stopped to think about what it really means, or why it's used so often? Noah Tavlin...

An art school professor once told Deborah Willis that she, as a woman, was taking a place from a good man -- but the storied photographer says she instead made a space for a good man, her son Hank Willis Thomas. In this moving talk, the...

What's stopping the American government from recording your phone calls, reading your emails and monitoring your location? Very little, says surveillance and cybersecurity counsel Jennifer Granick. The government collects all kinds of...

We're building an artificial intelligence-powered dystopia, one click at a time, says techno-sociologist Zeynep Tufekci. In an eye-opening talk, she details how the same algorithms companies like Facebook, Google and Amazon use to get...

When Julius Maada Bio first seized political power in Sierra Leone in 1996, he did so to improve the lives of its citizens. But he soon realized that for democracy to flourish, its foundation needs to be built on the will of the people....

This week Craig breaks out the crystal ball to try and figure out why our congresspeople do the things that they do. We’ll talk about the three motivating factors of congressional decisions - constituency, interest groups, and political...

Have you wondered why politicians aren't what they used to be, why governments seem unable to solve real problems? economist Yanis Varoufakis, the former Minister of Finance for Greece, says that it's because you can be in politics today...

Local politics -- schools, zoning, council elections -- hit us where we live. So why don't more of us actually get involved? Is it apathy? Dave Meslin says no. He identifies 7 barriers that keep us from taking part in our communities,...

In an unmissable talk, journalist Carole Cadwalladr digs into one of the most perplexing events in recent times: the UK's super-close 2016 vote to leave the European Union. Tracking the result to a barrage of misleading Facebook ads...

"Sí, se puede!" -- "Yes, we can!" It's the rallying cry Dolores Huerta came up with as a young activist in the 1970s, and she's lived by it in her tireless pursuit of civil rights ever since. With her signature wit and humor, Huerta...

Ashraf Ghani's passionate and powerful 10-minute talk, emphasizing the necessity of both economic investment and design ingenuity to rebuild broken states, is followed by a conversation with TED curator Chris Anderson on the future of...

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...

There is a corruption at the heart of American politics, caused by the dependence of Congressional candidates on funding from the tiniest percentage of citizens. That's the argument at the core of this blistering talk by legal scholar...

Michael Tubbs is the youngest mayor in American history to represent a city with more than 100,000 people -- and his policies are sparking national conversations. In this rousing talk, he shares how growing up amid poverty and violence...

What are the methods twitter bots use to fool us, and what are some of the challenges in doing so?

When personal relationships and ideological differences collide, the result can lead to strained relations -- or even years of silence and distance. Actor Betty Hart offers an alternative to cold shoulders and haughty hellos: compassion,...

An artwork's color or composition can pull you in -- and put you on the path to having important and difficult conversations, says artist Titus Kaphar. In this stunning talk, he reflects on his artistic evolution and takes us on a tour...

This week Craig Benzine discuses bureaucracies. Bureaucracies tend to be associated with unintelligible rules and time-wasting procedures, but they play an important, though controversial, role in governing. From the FDA to the EPA,...

Today, Craig is going to wrap up our discussion of discrimination by looking more closely at those “discrete and insular minorities” referenced in the 14th Amendment. We’ll talk about instances of discrimination of Asian, European, and...

Historian Doris Kearns Goodwin talks about what we can learn from American presidents, including Abraham Lincoln and Lyndon Johnson. Then she shares a moving memory of her own father, and of their shared love of baseball.

John Hunter puts all the problems of the world on a 4'x5' plywood board -- and lets his 4th-graders solve them. At TED2011, he explains how his World Peace Game engages schoolkids, and why the complex lessons it teaches -- spontaneous,...

In which John Green teaches you how Russia evolved from a loose amalgamation of medieval principalities known as the Kievan Rus into the thriving democracy we know today. As you can imagine, there were a few bumps along the road. It...

Ukraine is on the front line of a war between freedom and tyranny, says chess grandmaster and human rights advocate Garry Kasparov. In this blistering call to action, he traces Vladimir Putin's rise to power and details his own path from...