Spencer J. Cox, Republican governor of the state of Utah in the United States, says that even in these deeply polarized times, it's still possible to disagree without hate or contempt. He shows how this idea sparked a viral campaign ad...

Hank tells us some of the surprising things that could be causing or contributing to the obesity epidemic.

This week, researches published a genetic analysis of the 11,500-year-old remains of a baby found in Alaska, near where the first Americans crossed the Bering land bridge. That analysis has answered some lingering questions about human...

Global consumer strategist Aparna Bharadwaj shares a fascinating glimpse at under-the-radar affinities that transcend cultures and borders -- from the way people snack in China and Saudi Arabia to how people shop for clothes in the US...

In which John teaches you about the Seven Years War, which may have lasted nine years. Or as many as 23. It was a very confusing was. The Seven Years War was a global war, fought on five continents, which is kind of a lot. John focuses...

If we want to build back better after the pandemic, we must reconsider philanthropy and create a new kind of capitalism that's rooted in generosity and accountability, says Darren Walker, president of the Ford Foundation. In this vital...

For the nearly 20 million Americans with a felony record, punishment doesn't end after their prison sentence. Sociologist Reuben Jonathan Miller sheds light on the aftershocks of mass incarceration through the stories of people who've...

Musician and activist Bono accepts the 2005 TED Prize with a riveting talk, arguing that aid to Africa isn't just another celebrity cause; it's a global emergency.

In which John Green teaches you about Nationalism. Nationalism was everywhere in the 19th century, as people all over the world carved new nation-states out of old empires. Nationalist leaders changed the way people thought of themselves...

Taking lessons from a historical pattern called "Thucydides's Trap," political scientist Graham Allison shows why a rising China and a dominant United States could be headed towards a violent collision no one wants -- and how we can...

How did the US immigration debate get to be so divisive? In this informative talk, historian and writer Paul A. Kramer shows how an "insider vs. outsider" framing has come to dominate the way people in the US talk about immigration --...

Today, surfing is a multi-billion-dollar global industry, with tens of millions of enthusiasts worldwide. For some it's a serious sport; for others, just a way to let loose. But despite its casual association with fun and sun, surfing...

In which John Green teaches you about the War of 1812. The War of 1812 was fought between the United States and its former colonial overlord England. It started in, you guessed it 1812. The war lasted until 1815, and it resolved very...

Only one in nine people in the united States gets the care and treatment they need for addiction and substance abuse. A former Director of National Drug Control Policy, Michael Botticelli is working to end this epidemic and treat people...

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...

How can we disagree with one another, respectfully and productively? In this thoughtful talk, team builder Matt Trombley reflects on "agonism" -- the tendency to take a rigid stance on issues -- and shares why finding aspects of...

In our last list of strange aircraft, we stuck to covering the weirdest jets to take to the sky, but there are plenty of other types of bizarre flying machines out there! In this episode, Hank will tell you about five other unlikely...

Why do some people struggle more than others to keep off the pounds? Social psychologist Emily Balcetis shows research that addresses one of the many factors: our vision. In an informative talk, she shows how when it comes to fitness,...

Our society is in the midst of a social crisis, says op-ed columnist and author David Brooks: we're trapped in a valley of isolation and fragmentation. How do we find our way out? Based on his travels across the United States -- and his...

Today, Craig is going to talk about social policy - in the United States this means achieving one of three goals: protecting Americans from risk, promoting equal opportunity, or assisting the poor. Many Americans strongly believe in...

Most people have never heard of him. But Soviet scientist Sergei Korolev quietly developed the revolutionary rocket technology that we still use today.

When you look at Muslim scholar Dalia Mogahed, what do you see: A woman of faith? A scholar, a mom, a sister? Or an oppressed, brainwashed, potential terrorist? In this personal, powerful talk, Mogahed asks us, in this polarizing time,...

Iranian-American comedian Maz Jobrani takes to the TEDxSummit stage in Doha, Qatar to take on serious issues in the Middle East -- like how many kisses to give when saying “Hi,” and what not to say on an American airplane.

A very unsexy-sounding piece of technology could mean that the police know where you go, with whom, and when: the automatic license plate reader. These cameras are innocuously placed all across small-town America to catch known...