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

From the ability to see “invisible” types of light to the power to taste all over their body, meet five incredible animals whose super senses far surpass our own! Hosted by: Michael Aranda

Nobody agrees on how many organs you have, or the exact criteria for a cluster of cells to be called one. But as it turns out, simply identifying a part of the body as an organ can lead to medical breakthroughs.

Why do we faint? Because sometimes, your nervous system just doesn’t know what to do with itself.

Fat cells don't often receive praise in everyday life, but they probably deserve more credit, as they might be healing our wounds.

There are plenty of creatures out there with only one opening to handle both taking in food and getting rid of waste. But there’s at least one animal out there that doesn’t have a gut opening… at all. How does that even work?!

Planarians are flatworms most known for being able to grow a new head if it gets cut off, but perhaps even stranger is the fact that their new head retains some of the memories from the old one. Hosted by: Michel Aranda

While viruses can be deadly and completely wreak havoc on humanity, they can also sometimes change our world for the better. Join Hank Green for a new episode of SciShow and learn the truth about the viruses that have shaped humanity...

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 bottom of the ocean is home to some of the strangest creatures on Earth? Join Michael Aranda for a fascinating dive into the murky depths—you won't believe what's down there.

Roller coasters give people the opportunity to experience physics in dramatic ways. In this episode of SciShow, we break down how physics work on roller coasters to give you the ride of your life!

This week in the journal Nature Communications, scientists report a way to use fossilized shark teeth to figure out where different shark species, including megalodon, stood in the web of life. And last week in the journal Scientific...

Set against the backdrop of the COVID-19 pandemic, the rise of vaping-related lung injury over the past few years has complicated things since it can cause an uncannily similar host of symptoms to COVID-19. So, let’s take a closer look...

They get a rap for being spooky, but whether it’s building bridges across rivers or solving puzzles, spiders are way cooler than you might think. Many have smart or elaborate features that allow them to do some pretty extraordinary...

You probably don't think much about birds most of the time, but these little former-dinosaurs are amazing! So, here's a collection of videos in which we've tackled our viewers' biggest bird questions!

Let’s face it: humans stink! But that’s not always a bad thing - we use smells to interact with each other and navigate our lives. Hosted by: Hank Green

This arthropod may look modest, but it actually used brilliant engineering to become the world’s most resilient beetle - and we might be able to use its design for our own engineering purposes.

People like to say all kinds of things about protein – like, you need to eat lots of it to build muscle and lose weight. The truth is, the science of protein and how your body uses it is much more complicated than that. Hosted by: Hank...

There are naturally occurring toxins on Earth that are SO poisonous that one drop could kill thousands of people. How is that possible? What about their chemical makeup makes them so poisonous? Join Hank Green for an exciting look into...

You probably know that Australia is famous for giant snakes and spooky spiders... but oh... there's SO much more. Join Hank Green as he shows you seven truly terrifying Australian inhabitants that you might not have heard of—and some are...

Cancer is a terrible disease that often ends up the subject of a lot of speculation. In this episode, we'll be debunking these 6 common myths about cancer. All of this stuff seems plausible, but these misconceptions just don't hold up....

Your body has all sorts of complicated processes going on, and a lot of them are carried out by incredibly powerful molecules. We’re not talking nutrients -- we’re talking about 5 of the molecules that keep you ticking!

Hank and Katherine talk about the wild cat known variously as a puma, mountain lion, cougar, panther and catamount and then Jessi from Animal Wonders brings a special animal guest to visit.

For a long time, we could only guess what color a dinosaur might be. But in the past decade, there has been an explosion of color.