The line between public and private has blurred in the past decade, both online and in real life, and Alessandro Acquisti is here to explain what this means and why it matters. In this thought-provoking, slightly chilling talk, he shares...

Robert Neuwirth, author of "Shadow Cities," finds the world's squatter sites -- where a billion people now make their homes -- to be thriving centers of ingenuity and innovation. He takes us on a tour.

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...

Bruce Bueno de Mesquita uses mathematical analysis to predict (very often correctly) such messy human events as war, political power shifts, Intifada ... After a crisp explanation of how he does it, he offers three predictions on the...

When a young woman texted DoSomething.org with a heartbreaking cry for help, the organization responded by opening a nationwide Crisis Text Line for people in pain. Nearly 10 million text messages later, the organization is using the...

Ideas can and do change the world, says historian Rutger Bregman, sharing his case for a provocative one: guaranteed basic income. Learn more about the idea's 500-year history and a forgotten modern experiment where it actually worked --...

"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...

When a kid commits a crime, the uS justice system has a choice: prosecute to the full extent of the law, or take a step back and ask if saddling young people with criminal records is the right thing to do every time. In this searching...

I don't think we're going to make it, John Doerr says in an emotional talk about climate change and investment. To create a world fit for his daughter to live in, he says, we need to invest now in clean, green energy.

What's the purpose of a company? In this bold talk, activist and filmmaker Abigail Disney imagines a world where companies have a moral obligation to place their workers above shareholders, calling on Disney (and all corporations) to...

The term Gross Domestic Product is often talked about as if it were “handed down from god on tablets of stone.” But this concept was invented by an economist in the 1930s. We need a more effective measurement tool to match 21st century...

Income and wealth inequality are not new. In fact, economists and historians who have charted economic inequality throughout history haven't found a single society without it. Which raises a bleak question: is inequality ... inevitable?...

* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. How can the US recover after the negative, partisan presidential election of 2016? Social psychologist Jonathan...

We've heard a lot of rhetoric lately suggesting that countries like the uS are losing valuable manufacturing jobs to lower-cost markets like China, Mexico and Vietnam -- and that protectionism is the best way forward. But those jobs...

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...

Today's wildfires burn, on average, twice the amount of land they did in 1970. The reason? We've been working too hard to put them out. Want to learn more about the topic in this week's video? Here's a keyword/phrase to get your googling...

Tobacco use remains the leading cause of preventable disease and death in the United States, killing more people each year than alcohol, AIDS, car accidents, illegal drugs, murder and suicide combined. Follow health policy expert Mitch...

Refugee and immigrants rights attorney Melanie Nezer shares an urgently needed historical perspective on the crisis at the southern US border, showing how citizens can hold their governments accountable for protecting the vulnerable. "A...

Technologist and futurist Bill Joy talks about several big worries for humanity -- and several big hopes in the fields of health, education and future tech.

A million refugees arrived in europe this year, says Alexander Betts, and "our response, frankly, has been pathetic." Betts studies forced migration, the impossible choice for families between the camps, urban poverty and dangerous...

To achieve lasting change sometimes requires the hard, even radical, choice of partnering with people you'd least expect. Justice reform advocate Nisha Anand shares her story of working with her ideological opposite to make history and...

In 2018, Scotland, Iceland and New Zealand established the network of Wellbeing Economy Governments to challenge the acceptance of GDP as the ultimate measure of a country's success. In this visionary talk, First Minister of Scotland...

Conflict is bad; compromise, consensus and collaboration are good -- or so we're told. Lawyer and bioethicist Jonathan Marks challenges this conventional wisdom, showing how governments can jeopardize public health, human rights and the...