Hank explores a vexing question asked at picnics and beach parties everywhere: Why do bug bites itch? To help you understand the answer, he takes you into the blow by blow of a bug bite which, we warn you, is pretty horrifying.

Have you ever been on a ride on the playground that made you really dizzy, like a merry-go-round? Have you ever wondered where that weird, spinning sensation comes from? Jessi and Squeaks have the answer!

Certain cognitive biases cause humans to make unsafe decisions in a pandemic, making a terrible disease even worse.

Hercules, the strongest man alive with a mighty heart to match. Orpheus, charmer of nature and master of music. Castor and Pollux, the twin tricksters. The Boreads, sons of the North Wind who could hurtle through the air. Brought...

On April 14, 2014, the terrorist organization Boko Haram kidnapped more than 200 schoolgirls from the town of Chibok, Nigeria. Around the world, the crime became epitomized by the slogan #BringBackOurGirls -- but in Nigeria, government...

This week, scientists revealed a sample of amber containing an extinct tick that fed on dinosaurs. Unfortunately, we can't take a blood sample from it and make Jurassic Park a reality, but it can still tell us a lot about how dinosaurs...

Patricia Ryan is a longtime English teacher who asks a provocative question: Is the world's focus on English preventing the spread of great ideas in other languages? In other words: What if Einstein had to pass the TOEFL? It's a...

Sometimes our eyes do weird things. One of the things that it sometimes does is get floaters. What are they? Where do they come from? Join us today on SciShow as Hank explores the science behind these little specks.

Vincent Cochetel was held hostage for 317 days in 1998, while working for the UN High Commissioner on Refugees in Chechnya. For the first time, he recounts the experience — from what it was like to live in a dark, underground chamber,...

What happens if you get infected with the coronavirus? Who's most at risk? How can you protect yourself? Public health expert David Heymann, who led the global response to the SARS outbreak in 2003, shares the latest findings about...

The same enzyme that used to save us is now killing us because the body reactions it catalyzes now cause more harm than good.

We're closer than ever to growing life in artificial wombs, and we've learned a bit more about how glucose and protein affect exercise endurance.

Why are mosquito bites so itchy? Stop scratching while Jessi explains!

In the 1800s, William Parsons built a telescope larger than any in the world: The Leviathan of Parsonstown. This landmark in science history helped solve the mystery of just what a nebula could be.

What if traffic flowed through our streets as smoothly and efficiently as blood flows through our veins? Transportation geek Wanis Kabbaj thinks we can find inspiration in the genius of our biology to design the transit systems of the...

Why is that some experiences feel like they last forever, while others fly by? We tend to miscalculate the time it takes to engage in novel activities due to the influence of memories. Matt Danzico explains why your childhood feels like...

SciShow revisits Sharknado to discover the truth behind who would win in a battle between a tornado and a bomb. The answer... won't actually surprise you. But you might learn some interesting science along the way!

What if super strength wasn't just the stuff of epic comic book stories? Is it scientifically possible to be super strong? In this series, Joy Lin tackles six superpowers and reveals just how scientifically realistic they can be to us...

"Ebola threatens everything that makes us human," says Bruce Aylward of the World Health Organization. And when the Ebola epidemic exploded in 2014, it caused a worldwide panic. But humanity can beat Ebola -- and Aylward shows four...

The one thing all humans have in common is that each of us wants to be happy, says Brother David Steindl-Rast, a monk and interfaith scholar. And happiness, he suggests, is born from gratitude. An inspiring lesson in slowing down,...

If gulls just stole some of your chips while you were out trying to enjoy your lunch, you should feel lucky, because one species has recently developed a taste for live mammal meat!

The murder hornets of your nightmares aren't totally unstoppable - all you need is a little poop.

We’ll each have at least $100,000 more in our piggy banks, on average, if we stop climate change than if we don’t.

It’s hard to resist the urge to scratch an itch, but doing so could help break that vicious cycle of itchiness.