The family of giants you work for is throwing a fancy dinner party, but there’s a problem — the elder giant’s favorite shirt is wrinkled! To fix it, you’ll need to power up the giant iron. It needs two batteries to work, but the baby...

Statistics! They're every scientist's friend. But they can be easy to misinterpret. Check out this thought exercise with Hank to understand how some mental kung fu known as Bayesian reasoning can use stats to draw some downright...

When you see someone yawn, you're probably pretty likely to follow suit. But what makes it so contagious?

If you've ever played with a ouija board, you might have gotten the spooky sensation of an other worldly presence. But really, that's just your brain playing tricks on you.

Two extinct relatives of horses and rhinos are closely related to each other but have strikingly different body plans. How did two of the same kind of animal, living in the same place, end up looking so different?

Chris Milk uses cutting edge technology to produce astonishing films that delight and enchant. But for Milk, the human story is the driving force behind everything he does. In this short, charming talk, he shows some of his...

Paul Andersen explains how he is using elements of game design to improve his AP Biology class. The entire class revolves around Moodle. Students complete levels to acquire experience points and move up the leader board

SciShow News explains the science behind a psychological experiment performed on about seven hundred thousand Facebook users, although none of them knew that they were participating.

In the late 1970s and throughout the 1980s, protests and unrest continued continued across Europe, and the Soviet Union was having increasing trouble holding its sphere of influence together. Today you'll learn about the labor strikes of...

Since the 1800s, a handful of oligarchs had controlled nearly all of El Salvador's land, forcing laborers to work for almost nothing. But in 1980, farmers and urban workers formed guerrilla groups to overthrow the US-backed dictatorship....

Learn about some new sea creatures that recently made their debut to the land world!

Freudian slips are actually an artifact of how your brain processes language!

After a good distance of running, you might have felt a sensation of happiness. That is the runner's high and some chemicals in your body cause it.

If you've ever seen a group of starlings in flight, you've appreciated one of nature's most hypnotic sights -- the lava-lamp-like flow of a murmuration. SciShow explains the biology and mathematics behind this beautiful phenomenon.

Over the past 20 years, dinosaurs of all types and sizes have been found with some sort of fluff or even full-on plumage. These fuzzy discoveries have raised a whole batch of new questions so we're here to tell you everything we know...

Scientists were able to transfer a specific memory from one sea slug to another! And research suggests that focusing on your breathing could help you focus on other things as well!

Dinosaurs were social animals, moving in herds, hunting in packs, but could they dance?

As of 2018, there are around 2.5 billion smartphone users in the world. If we broke open all the newest phones and split them into their component parts, that would produce around 85,000 kg of gold, 875,000 of silver, and 40,000,000 of...

New discoveries into two weird things that may have played havoc with the ancient solar system: dark matter and a wandering star.

Eating turkey this holiday season? Chowing down on a roast chicken? You're eating a dinosaur! Entertain your family and friends with a little science lesson this year, and show them why bird bones tell us that birds are actually living...

A fish with eerily human-like teeth was caught in a New Jersey lake. And scientists have learned to speak Bird!

Accepting the 2007 TED Prize, Bill Clinton asks for help in bringing health care to Rwanda -- and the rest of the world.

We make important decisions every day -- and we often rely on experts to help us decide. But, says economist Noreena Hertz, relying too much on experts can be limiting and even dangerous. She calls for us to start democratizing expertise...

In which John Green teaches you about war! Specifically, John talks about whether humanity is naturally warlike, hard-wired to kill, or if perhaps war is a cultural construct. John will talk about the Hobbes versus Rousseau debate, the...