Over the last 40 years, Brazil has lost an area larger than California to deforestation — and 90 percent of the clear-cutting has been illegal, all part of a multi-billion-dollar global environmental crime economy. Civic entrepreneur...

Octopuses are smart. Like, gather a posse of fish to do their hunting for them smart. And when the fish step out of line, the day octopus punches them. Really.<b<br/>r/>

Hosted by: Hank Green (he/him)

A century after its discovery, insulin remain essential in treating diabetes, and has a relatively low production cost, with a vial generally costing less than $6 to make. But those in the US pay on average 10 times more than those in...

What if there were a tunnel through the middle of the earth and you jumped in?

It's leap year time... so what are years, anyway? And what do they have to do with the supermassive black hole in the core of the milky way?

All jobs, especially those held by frontline workers, should have dignity and the ability to turn into great careers, says change management expert Adriann Negreros. From shift flexibility to ending work on time, he outlines what he...

A landfill on fire doesn't only emit a horrid stench — it has devastating consequences for the environment, too. The culprit is methane, an often underestimated greenhouse gas produced in large part by food systems, organic waste and...

It's daybreak in the city of Chan Chan, and former soldier Maxo has been up all night fretting. Last night, a friend stopped by and instructed him to go to the plaza at noon to receive an important message. But with the recent defeat of...

What if there were a tunnel through the middle of the earth and you jumped in?

In sub-Saharan Africa, power outages, low technology penetration, slow internet and understaffed hospitals plague health care systems. To make progress on these problems in Malawi, TED Fellow Soyapi Mumba and his team created a new...

You might consider yourself a visual learner, but is there really a way to categorize different types of students?

So... what makes the wind? You might be surprised to learn that it has to do with two of Earth's spheres; The Hydrosphere and the Geosphere. In this episode of Crash Course Kids, Sabrina takes us to the beach to chat about how the wind...

Often people make decisions that are not "rational" from a purely economical point of view - meaning that they don't necessarily lead to the best result. Why is that? Are we just bad at dealing with numbers and odds? Or is there a...

In this epic overview, Michael Tilson Thomas traces the development of classical music through the development of written notation, the record, and the re-mix.

Chris Anderson, then the editor of Wired, explores the four key stages of any viable technology: setting the right price, gaining market share, displacing an established technology and, finally, becoming ubiquitous.

Do periodical cicadas "know" how to calculate prime numbers? One of the strangest life cycles in all of biology, explained!

Google can find something for you on the other side of the world in less than a second. Why does your personal computer take so much longer?

Welcome to the FINAL LEVEL of Crash Course Games! We thought it made the most sense to sign off this series by taking a look towards the future because you know... boss battles are supposed to be tough. Now we don't know the future...

This is episode 5 of our animated series "Think Like A Coder." This 10-episode narrative follows a girl, Ethic, and her robot companion, Hedge, as they attempt to save the world. The two embark on a quest to collect three artifacts and...

COVID-19 has the potential to ebb and flow with the seasons, but because it's a novel pandemic, that doesn't mean we're off the hook this summer.

As some say, "write drunk, and edit sober," many writers and artists use alcohol to try to get their creative juices flowing. But can alcohol really help to be more creative?

It's a good day to be a pirate. Amaro and his four mateys _ Bart, Charlotte, Daniel, and Eliza have struck gold _ a chest with 100 coins. But now, they must divvy up the booty according to the pirate code - and pirate code is notoriously...

Devastating earthquakes happen every year, and it's difficult to predict when they will happen. But they do follow one mathematical pattern known as the Devil's staircase.

Poet Rives does 8 minutes of lyrical origami, folding history into a series of coincidences surrounding that most surreal of hours, 4 o'clock in the morning.