Your hair isn't just something you have to deal with every morning, it's a part of who you are, and there are things it can tell you about your personal health. Hosted by: Hank Green

New variants of SARS-CoV-2 have emerged throughout the COVID-19 pandemic, with the latest one being Omicron. We’re still trying to learn about its effects and what it means for the overall course of the pandemic, but here’s what we know...

Energy drinks- you've had them, or at least you're well aware of their presence in today's culture. But what is actually in these things? Especially the mysterious ingredient TAURINE?

We all get a jittery after sitting still for too long. But some people experience an irresistible urge to move their legs, and it can seriously affect their daily lives.

Genetic tests can give you advice about what lifestyle, diet, and level of exercise are best for you. But you should take those suggestions with a grain of salt, because, when it comes to our bodies, our genes aren’t so much an open...

If you're not hearing impaired, you may wonder what it's like to wear a cochlear implant—what does it actually sound like? Unlike what you may think, cochlear implants don't generate sound like a hearing aid would. Instead, they actually...

Scientists found that the prevailing hypothesis of how the Alzheimer’s disease starts might be wrong, and some viruses could be the culprit.

From the spider in the corner of your house, to the moths in your attic, synanthropic species don't just live among us, they literally depend on us to live. Hosted by: Hank Green

Hanging out in the trees of Central and South America are some frogs with pretty unusual coloration. Which is to say, parts of them have no color at all. Their bellies are completely see-through!

There's a lot we don't understand about autism spectrum disorder, but this week scientists announced that they may have found a link between the disorder and elevated hormone levels.

The Five Stages of Grief show up in media everywhere from The Simpsons to Robot Chicken, but scientists have long been working on better ways to think about grief.

Did Thomas Edison invent the lightbulb? I mean... kind of... but also... no. Every great, world-changing invention is the culmination of efforts by dozens or hundreds of people, spanning decades or centuries.

We here at SciShow know of two things that can help you get through this flu season: a flu shot, and watching this video. Make sure you do both! Hosted by: Hank Green

Scientists dissect the human scream for the first time, and also re-think what was thought to be the biggest dinosaur in the world.

Michael Aranda explains the nuts and bolts of Hyperloop, the new magnet-driven, solar-powered transit system proposed by Spacex genius Elon Musk. Learn how Musk answered three vexing questions to create the transportation of the future...

While you unwrap that luscious truffle, let Hank explain the science of chocolate -- where it comes from, what its active ingredient is, and how it works. Also learn the difference between chocolate, cocoa, cacao and coca, so you really...

While you might hear the name John Snow and think of dragons and unfruitful endings. There was a real life physician whose efforts saved lives and built the foundation for modern epidemiology.

The paleo diet is becoming more popular, but research suggests its claims aren’t all that scientific. Hosted by: Michael Aranda

A new healing gel helped mice regrow brain tissue after a stroke, and scientists suspect someone out there is producing a bunch of ozone-destroying CFCs in defiance of an international agreement! Hosted by: Hank Green

Did you know that the scientist who invented germ theory was disbelieved for over a decade? There are many brilliant scientists who's genius wasn't believed until many years later. Join Hank Green for a new episode of SciShow and learn...

Do mosquitoes serve a purpose in the ecosystem? As one of the most hated creatures on the planet, some people have wondered why we don't just kill them ALL? Let's unpack this issue, with SciShow!

There are a lot of stereotypes and stigma surrounding alcohol that prevent both understanding and adequate care, and the spectrum of symptoms that alcohol use disorder can include is a lot more complicated than you might think. Hosted...

You've probably heard that theres a fungus among us—but how much of fungi are helpful vs harmful? Turns out there's quite a grey area! Join Stefan Chin for a new episode of SciShow and learn more about the multipurpose world of fungi!

Dr. Genevieve Lind explains how she uses frog eggs to learn how drugs affect receptors in the brain and Jessi's chicken Goldie shows us one use for the cloaca. Hosted by: Hank Green