NBC & YouTube actually asked us to make TWO videos for the Democratic Presidential Debate on January 17th, 2016. Here's the video that DIDN'T get shown at the debate. Want to learn more about the topic in this week's video? Here are some...

400 Parts in a Million - The World's Biggest Experiment

About the importance of the National Parks Foundation.

So we have Weather and Climate... but are they the same thing? No, no they are not. But they are both super important to how the geosphere is shaped. In this episode of Crash Course Kids, Sabrina chats with us about the differences...

You might think of national parks as a nice place to see a geyser, or a big ol’ canyon, but over the past 100 years, US national parks have produced some of the biggest, oldest, deepest, and creepiest discoveries that have been made in...

In which John Green teaches you WHY World War I started. Or tries to anyway. With this kind of thing, it's kind of hard to assign blame to any one of the nations involved. Did the fault lie with Austria-Hungary? Germany? Russia? Julius...

At the end of World War II, the nations of Europe were a shambles. Today we'll learn about how the various countries and blocs approached the problem of rebuilding their infrastructure and helping their residents recover. You'll learn...

How to See Without Glasses

How to Draw a Stick Figure

How To Detect A Secret Nuclear Test

It has NO EDGE. And NO CENTER... or does it?

Einstein didn't like quantum mechanics because it wasn't able to make perfect predictions... but science is not about what you like, it's about what's true!

Why Only Some Monkeys Have Awesome Tails

Where rivers meet the ocean, coastlines tend to bend either inward or outward, creating estuaries and deltas. But how do they get those shapes? Want to learn more about the topic in this week's video? Here are some keywords/phrases to...

What is Skin For

The conversation between president and founder of Eurasia Group and GZERO Media Ian Bremmer and TED’s Helen Walters delves into the issue of gun violence in America. They emphasize the ease of access to firearms, including military-grade...

president and founder of Eurasia Group and GZERO Media Ian Bremmer explains how world leaders are expressing deep concern about the state of American democracy following recent events, including the assassination attempt on former...

President and founder of Eurasia Group and GZERO Media Ian Bremmer discusses the potential for emerging leaders in American politics who can build bridges, citing a few modern figures as examples. While he acknowledges a new generation...

Watch as magician David Kwong engages an audience with a demonstration involving ChatGPT, showcasing its ability to generate creative responses and make playful deductions based on input from a volunteer. He sets up scenarios where the...

David Kwong is a magician and a New York Times crossword puzzle constructor who believes that magic tricks are like puzzles, designed to intrigue and challenge our minds. To him, the essence of wonder lies in experiences that defy...

While language models may help generate new ideas, they cannot attack the hard part of science, which is simulating the necessary physics, says AI professor Anima Anandkumar. She explains how her team developed neural operators — AI...

The basic infrastructure that controls plumbing, electricity and more is vital to your individual agency, says engineering professor Deb Chachra. She offers a crash course on how these systems connect to shape our lives — and suggests...

Sara Giusto is a talent manager, but not in the sense you might imagine. Her biggest client is imma, an influencer with pink hair ... who isn't human. Giusto discusses what the rise of "virtual humans" means for the real world — and...

When playwright David Finnigan staged a play titled "Kill Climate Deniers" in 2014, he knew it'd get a strong reaction. What he wasn't prepared for was the idea that the blowback might actually cause him to rethink his own response to...