If it smells like delicious buttered popcorn when you are in a middle of the forest, it’s not because there’s a movie theater nearby, but Binturongs, arboreal carnivore, might be.

You might have a beard, or a mustache, or even a soul patch. What you don't have are whiskers. Hosted by: Hank Green

How do they do it? Penguins standing on ice, not only for days, but their whole lives! And their feet don’t hurt like ours would. It has something to do with blood and an amazing twist that penguins have developed.

When camels drink, they do so at a rate that would kill most other animals. But where does all of that water go? Hint: It's not their humps!

Join the Amoeba Sisters on this introduction to the human Skeletal System! This video first introduces several types of skeletal systems found in different organisms before focusing on the human endoskeleton. Then, this video takes a...

Jessi and Squeaks are making special valentines for all of their friends! And while they’re working they’re watching older videos to help them remember how they can make the best gifts!

In the spirit of Halloween, Anthony and Squeaks are playing Guess That Animal with some creepy creatures to remember how cool they really are.

Prepare to be horrified, and to look into the face of inhumanity with the Grand Guignol. Mike Rugnetta teaches you about one of theater history's most horrible chapters. The Grand Guignol was a French theater based in Paris from the late...

Dreams can be scary, mystifying, and sometimes unnatural feeling experiences, but there's plenty about them that are perfectly ordinary. Here's a compilation of some things we know about dreams.

Some of humanity’s favorite antibiotics are starting to lose their mojo, in the face of smart, sneaky, and rapidly-evolving bacteria. To find new drugs to combat these superbugs, scientists are looking in some weird new places, like...

When you're getting medical treatment, or taking part in medical testing, privacy is important; strict laws limit what researchers can see and know about you. But what if your medical data could be used -- anonymously -- by anyone...

So we ended the last episode nearing the close of the 1980s and Nintendo had become the dominant player in the home console market, but Sega, originally a slot machine game company during World War 2, was looking to get its own console...

There are about 450 million diabetics around the world, and while we do already have a reliable way of measuring blood sugar, it requires patients to prick their finger each time they want a reading. Is there a better way?

This week on Crash Course Literature, John Green is continuing to talk about Shakespeare's dark, bloody, Scottish play, Macbeth. This time around, we're looking at the play's characters operate, how the play deals with gender, and the...

Sometimes, diagnosing patients is pretty easy, but other times... not so much. Luckily, in a medical setting we have tools that can help us figure out what's wrong with patients, and how to help them. In this episode of Crash Course...

If you've ever wondered why you crave certain foods or what your appendix actually does, there's something in this collection for you!

Nanahuatl, weakest of the Aztec gods, sickly and covered in pimples, had been chosen to form a new world. There had already been four worlds, each set in motion by its own "Lord Sun," and each had been destroyed. For a new world to be...

Our various secretions - from tears to earwax - can tell us more about our bodies than you might think!

Sometimes medications that were developed to treat one condition can end up being useful for seemingly unrelated ailments. Chapters View all DEXTROMETHORPHAN & PSEUDOBULBAR AFFECT 1:48 MEMANTINE & OCD 2:25 NALTREXONE & BEHAVIORAL...

How is it that a breathalyzer can measure the alcohol content in someone’s blood, hours after they had their last drink, based on their breath alone? And could we use this same technology to detect disease by analyzing a person’s...

From calories to sleep, there always seems to be something we're not doing right. Luckily scientists have looked into this and come up with some helpful advice to keep us happy and healthy.

Thousands of animal species use toxic chemicals to defend themselves from predators. Snakes have blood clotting compounds in their fangs, the bombardier beetle has corrosive liquid in its abdomen and jellyfish have venomous, harpoon-like...

What mammal has the social life of an insect, the cold-bloodedness of a reptile, and the metabolism of a plant? Bald and buck-toothed, naked mole rats may not be pretty, but they are extraordinary. Thomas Park explains how mole rats'...

You might expect to find these fish at the core of an ancient, distant asteroid, but we find them instead on Earth. That doesn’t mean they aren’t special, though. In fact, their immune systems may be the key to unlocking a new treatment...