Former "young Republican" Larry Lessig talks about what Democrats can learn about copyright from their opposite party, considered more conservative. A surprising lens on remix culture.

Some of us learn best in the classroom, and some of us ... well, we don't. But we still love to learn -- we just need to find the way that works for us. In this charming, personal talk, author John Green shares the community of learning...

From cave drawings to the Sunday paper, artists have been visualizing ideas -- cartoons -- for centuries. New Yorker cartoonist Liza Donnelly walks us through the many stages every cartoon goes through, starting with an idea and turning...

It doesn't seem possible, but animal rain is definitely real, and there is an actual scientific explanation for it... probably.

So, moose licking cars in winter is a thing, if you live in a place that has both moose and winter. But why on earth do they do this?!

With acidic puddles, lava lakes, and one of the most important early hominid discoveries, the Danakil Depression is home to all of the extremes.

Aliens! Could humans really be alone in this expansive universe? And if we're not, how come we've never made contact with other intelligent life? Everyone's thought about it; especially members of the scientific community. Join Gabe as...

Education scientist Sugata Mitra tackles one of the greatest problems of education -- the best teachers and schools don't exist where they're needed most. In a series of real-life experiments from New Delhi to South Africa to Italy, he...

Scientists have taken a look at the underground lake found on Mars in 2018, and it might not be the only one! Plus, new clues might help us understand why the Sun’s atmosphere is so much hotter than the surface!

Imagine an enormous, lush rainforest teeming with life...in the Arctic. Well there was a time -- and not too long ago -- when the world warmed more than any human has ever seen. (So far)

How can we fit more people into cities without overcrowding? Kent Larson shows off folding cars, quick-change apartments and other innovations that could make the city of the future work a lot like a small village of the past.

This is the first-ever video of what we're calling the "hermit crab caterpillar"! We're pretty sure this strange caterpillar is a NEW SPECIES. We went to the Peruvian Amazon to see amazing things, but we never expected this :) But that...

Urban planner Ryan Gravel shares the story of how his hometown of Atlanta, Georgia, rallied to build a massive urban park that will transform an abandoned railroad track into 22 miles of public green space called the Atlanta BeltLine....

"Architecture is not about math or zoning -- it's about visceral emotions," says Marc Kushner. In a sweeping — often funny — talk, he zooms through the past thirty years of architecture to show how the public, once disconnected, have...

urban planner Ryan Gravel shares the story of how his hometown of Atlanta, Georgia, rallied to build a massive urban park that will transform an abandoned railroad track into 22 miles of public green space called the Atlanta BeltLine....

Cynthia Schneider looks at two international "American Idol"-style shows -- one in Afghanistan, and one in the United Arab Emirates -- and shows the surprising effect that these reality-TV competitions are creating in their societies.

The Johnson & Johnson COVID-19 vaccine is now the third approved for emergency use authorization in the United States, and it's a little different from its predecessors.

As natural garbage collectors, vultures are vital to our ecosystem -- so why all the bad press? Why are so many in danger of extinction? Raptor biologist Munir Virani says we need to pay more attention to these unique and misunderstood...

Plants are amazing. Really! Photosynthesis is an incredible thing. But it also means that some plants can't live everywhere. They need to get the right amount of sunlight for the right amount of time. In this episode of Crash Course...

Is there life beyond earth? Join NASA's director of planetary science James Green for a survey of the places in our solar system that are most likely to harbor alien life.

That asteroid the headlines have been warning people about isn't likely to actually hit us, and scientists might have solved a mystery that could save lives: the relationship between tides and earthquakes.

We’ve known how to cure malaria since the 1600s, so why does the disease still kill hundreds of thousands every year? It’s more than just a problem of medicine, says journalist Sonia Shah. A look into the history of malaria reveals three...

In some parts of the world, it's easier to get an automatic rifle than a glass of clean drinking water. Is this just the way it is? Samantha Nutt, doctor and founder of the international humanitarian organization War Child, explores the...

Ghost stories reveal much more than the ghouls and spirits that haunt them. Settle in for a spooky delight as theater educator Coya Paz Brownrigg lays out three types of bone-chilling tales and exhumes the grave truths they hold about...