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...

Researcher Hans Rosling uses his cool data tools to show how countries are pulling themselves out of poverty. He demos Dollar Street, comparing households of varying income levels worldwide. Then he does something really amazing.

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...

Hank tells us how some gamers are outperforming sophisticated computer programs to help solve the puzzle of protein folding and to assist scientists in finding better treatments for HIV/AIDS, cancer, and Alzheimer's.

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...

Jedidah Isler dreamt of becoming an astrophysicist since she was a young girl, but the odds were against her: At that time, only 18 black women in the united States had ever earned a PhD in a physics-related discipline. In this personal...

The face of nuclear terror has changed since the Cold War, but disaster-medicine expert Irwin Redlener reminds us the threat is still real. He looks at some of history's farcical countermeasures and offers practical advice on how to...

Some elements can basically be liquids and solids at the same time, which is a whole new state of matter, and scientists have discovered a new species of human in the Republic of the Philippines!

Nate Silver has data that answers big questions about race in politics. For instance, in the 2008 presidential race, did Obama's skin color actually keep him from getting votes in some parts of the country? Stats and myths collide in...

A new strain of bird flu has been detected in North American birds for the first time in seven years. And U.S. President Biden is temporarily lifting the country's summertime ban on E15 gasoline.

In which John Green teaches you about how Islam has interacted with politics during it's history, and how it continues to do so today. Islamist movements are in the news a lot lately, but how did that happen. John will point out that...

Today we’ll explore the history of education as a social institution, with a specific focus on how the US organizes its educational system. We’ll look at education through the lenses of some sociological paradigms: structural...

You might finally be able to watch that 4k video without buffering, thanks to quantum mechanics and orbital angular momentum.

From hours-long lines and limited polling locations to confusing and discriminatory registration policies, why is it so hard to vote in the US? Voting rights expert Amber McReynolds offers a proven alternative: a new process, already...

Austrian physicist Erwin Schrodinger, one of the founders of quantum mechanics, posed this famous question: If you put a cat in a sealed box with a device that has a 50% chance of killing the cat in the next hour, what will be the state...

Why you can’t clone Schrödinger’s cat: this video presents the full proof of the “No Cloning” Theorem in Quantum Mechanics – without any fancy math! (stereotypical qubit has been replaced with...

Ory Okolloh tells the story of her life and her family -- and how she came to do her heroic work reporting on the doings of Kenya's parliament.

Today, we’re going to take a look at how the government plays a role in the economy. Specifically, the way the government creates and maintains our market economic system. Now sure, the government’s role in the economy can be...

Can we ever achieve absolute cold?

Today Craig is going to talk about a topic that makes voters and politicians alike ANGRY! We're going to talk about Gerrymandering - that is the process in which voting districts are redrawn in a way to favor one party during elections....

Maybe you'd like to just hear about one topic for a while. We understand. So today, let's just watch some videos about Matter. What is matter? What are particles? And why is this important to know? Did you know that coal can turn into...

Hans Rosling was a young guest student in India when he first realized that Asia had all the capacities to reclaim its place as the world's dominant economic force. At TEDIndia, he graphs global economic growth since 1858 and predicts...

Reinforcement learning is particularly useful in situations where we want to train AIs to have certain skills we don’t fully understand ourselves. Unlike some of the techniques we’ve discussed so far, reinforcement learning generally...

Early education is critical to children's success -- but millions of kids in the United States still don't have access to programs that prepare them to thrive in kindergarten and beyond. Enter the UPSTART Project, a plan to bring early...