Still invisible and often an afterthought, indigenous peoples are uniting to protect the world's water, lands and history -- while trying to heal from genocide and ongoing inequality. Tribal attorney and Couchiching First Nation citizen...

Patenting a new drug helps finance its immense cost to develop -- but that same patent can put advanced treatments out of reach for sick people in developing nations, at deadly cost. Ellen 't Hoen talks about an elegant, working solution...

The United States can create a more humane immigration system; in fact, it's been done before, says policy analyst David J. Bier. Pointing to the historical success of the US guest worker program, which allows foreign workers to legally...

He was a powerful king whose break with the church of Rome would forever change the course of English history. But was he a charismatic reformer who freed his subjects from a corrupt establishment or a bullying tyrant who used...

From 1932 to 1972, the United States Public Health Service and the Centers for Disease Control and Prevention operated an extremely unethical medical experiment on the effects of outcomes of untreated syphilis. Hundreds of poor Black men...

Wael Ghonim helped touch off the Arab Spring in his home of egypt ... by setting up a simple Facebook page. As he reveals, once the revolution spilled onto the streets, it turned from hopeful to messy, then ugly and heartbreaking. And...

Imagine seeking safety abroad and instead being detained and forced to defend yourself in a high-stakes legal battle — alone. Law professor César Cuauhtémoc García Hernández explains how the asylum process in the US became warped into...

Gerard Ryle led the international team that divulged the Panama Papers, the 11.5 million leaked documents from 40 years of activity of the Panamanian law firm Mossack Fonseca that have offered an unprecedented glimpse into the scope and...

Breast milk grows babies' bodies, fuels neurodevelopment, provides essential immunofactors and safeguards against famine and disease -- why, then, does science know more about tomatoes than mother's milk? Katie Hinde shares insights into...

* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. Why do juveniles falsely confess to crimes? What makes them more vulnerable than adults to this shocking,...

I want you to reimagine how life is organized on earth, says global strategist Parag Khanna. As our expanding cities grow ever more connected through transportation, energy and communications networks, we evolve from geography to what he...

Economist Yasheng Huang compares China to India, and asks how China's authoritarian rule contributed to its astonishing economic growth -- leading to a big question: Is democracy actually holding India back? Huang's answer may surprise you.

When global leaders think about which industries can fuel economic growth, the arts are often overlooked. But filmmaker Mehret Mandefro says the creative sector actually has the power to grow economies -- while also helping safeguard...

The more we rely on technology to make us efficient, the fewer skills we have to confront the unexpected, says writer and entrepreneur Margaret Heffernan. She shares why we need less tech and more messy human skills -- imagination,...

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...

TED talks about who makes judges?

In 1959, the WHO set out to eradicate smallpox, an ambitious goal that was achieved by 1980. But this goal wouldn't have been possible without coordination on all levels of society. In this episode of Crash Course Outbreak Science, we'll...

The way we cool things down is heating the planet even more, says sustainable development expert Rachel Kyte -- and the solutions go well beyond just fixing air-conditioning. She identifies four major areas with transformative solutions...

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...

In which John Green teaches you about what westerners call the middle ages and the lives of the aristocracy...in Japan. The Heian period in Japan lasted from 794CE to 1185CE, and it was an interesting time in Japan. Rather than being...

How do we make sure that development and aid money actually goes to the people who most need it? Sanjay Pradhan of the World Bank Institute lays out three guidelines to help relief efforts make the most impact -- while curbing...

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...

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...