In which John Green teaches you about the Gilded Age and its politics. What, you may ask, is the Gilded Age? The term comes from a book by Mark Twain and Charles Dudley Warner titled, "The Gilded Age." You may see a pattern...

Listening to stories widens the imagination; telling them lets us leap over cultural walls, embrace different experiences, feel what others feel. Elif Shafak builds on this simple idea to argue that fiction can overcome identity politics.

Only if you are truly open to the possibility of being wrong can you ever learn, says researcher Alex Edmans. In an insightful talk, he explores how confirmation bias -- the tendency to only accept information that supports your personal...

* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. In this quick talk, visual artist Dread Scott tells the story of one of his most transgressive art installations,...

So political campaigns are a pretty big deal in the United States. For instance the 2012 presidential election clocked in at the most expensive ever - at around $6 billion dollars! Needless to say, money plays a very big role in...

We can’t talk about race without also discussing racism, so today we are going to define and explain prejudice, stereotypes, and racism. We’ll look at five theories for why prejudice exists. We’ll discuss discrimination and the legacies...

The animated GIF has had a long and fascinating history, but the GIF took a giant leap forward this year when it became part of the 2012 Presidential Election!!! This election season, GIFs of Obama, Romney, Biden and Ryan, populated not...

A clay cylinder covered in Akkadian cuneiform script, damaged and broken, the Cyrus Cylinder is a powerful symbol of religious tolerance and multi-culturalism. In this enthralling talk Neil MacGregor, Director of the British Museum,...

Many people like to talk about how important voting is, how it's your civic duty and responsibility as an adult. eric Liu agrees with all that, but he also thinks it's time to bring joy back to the ballot box. The former political...

Today we’ll continue to explore sociology’s founding theorists with a look at Karl Marx and his idea of historical materialism. We’ll discuss modes of production, their development, and how they fit into Marx’s overall theory of...

How can we bridge the gap between left and right to have a wiser, more connected political conversation? Journalist Gretchen Carlson and op-ed columnist David Brooks share insights on the tensions at the heart of American politics today...

The clash of ideas is fundamental to creativity and progress, but it can also be deeply destructive and create divisions within companies, communities and families. How do you foster productive debate while protecting against harmful...

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...

Known worldwide for her courage and clarity, Christiane Amanpour has spent the past three decades interviewing business, cultural and political leaders who have shaped history. In conversation with TED Curator Chris Anderson, Amanpour...

American democracy cannot be great until it is good, says lawyer, Harvard professor and former governor of Massachusetts Deval Patrick. A self-identified patriot, Patrick stands behind the fundamental values and civic ideals that he...

“If you really want to know a people, start by looking inside their bedrooms," says Shereen El Feki, who traveled through the Middle East for five years, talking to people about sex. While those conversations reflected rigid norms and...

* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences.

What is a border? It's a line on a map, a place where cultures mix and merge in beautiful, sometimes violent...

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...

We are embarrassingly unaware of how divided our societies are, and Brexit grew out of a deep, unexamined divide between those that fear globalization and those that embrace it, says social scientist Alexander Betts. How do we now...

The open-source world has learned to deal with a flood of new, oftentimes divergent, ideas using hosting services like GitHub -- so why can’t governments? In this rousing talk Clay Shirky shows how democracies can take a lesson from the...

In 1943, Irena Sendler and Janina Grabowska froze when they heard Gestapo pounding on the front door. Knowing she was minutes from arrest, Irena tossed Janina her most dangerous possession: a glass jar containing the names of over 2,000...

At age 81, actor and activist Jane Fonda is putting herself on the line for the planet -- literally. In a video interview with TEDWomen curator Pat Mitchell, Fonda speaks about getting arrested multiple times during Fire Drill Fridays,...

Today, Craig is going to talk about the most important part of the Constitution - the Fourteenth Amendment. In particular, we're going to discuss the "equal protection" clause and how it relates to our civil rights. So we've spent the...

In a world deeply divided, how do we have hard conversations with nuance, curiosity, respect? Veteran reporter Eve Pearlman introduces "dialogue journalism": a project where journalists go to the heart of social and political divides to...