PBS
The Strange Case of the Buzzsaw Jaws
There are many fossils that challenge our ability to form even the most basic idea of how a living thing looked, or lived, or functioned. One of the longest-running of these mysteries involved a 270-million-year-old sea creature called...
Be Smart
How Well Do Masks Work? (Schlieren Imaging In Slow Motion!)
Wearing a mask is a cheap and easy way to help stop the spread of airborne infections like COVID-19. It’s also a sign that you want to help protect other people and have them protect you… that we’re all in this together. Here’s some...
SciShow
The Mystery of the Barreleye Fish
In the Pacific Ocean, there lives a fish that's . . . a little different. Hank tells you all about the Pacific barreleye fish!
SciShow
Masks? Handwashing? Sanitizer? — How to Protect Yourself from Coronaviruses
Today, we all do our best to protect ourselves from coronaviruses. But a lot of what people are doing doesn’t really help, and it could take away supplies from those who actually need them. Hank explains what does help, and how it...
SciShow
Why Do We Kiss?
Hank gets all up in your face about kissing -- where does it come from, why do it we do it, and do other animals do it? From ancient India to that date you were on last night (which we won't tell anyone about if you won't), we explore...
SciShow Kids
All About Anglerfish
Learn all about the anglerfish! A creepy-looking, deep-sea-dwelling creature that glows!
SciShow
How to Eat When You Don't Have a Mouth: Lessons From 5 Animals
Not all animals have a mouth, or even need one to eat! These different feeding strategies can teach us a lot about our ancestors and how they went from not needing a mouth at all to only eating with one.
SciShow
Why Does Plane Food Taste So Bad?
We’ve all heard the jokes about airline food, but have you ever wondered why most everyone in the world hates it so much?
SciShow
The Science of the Cinnamon Challenge
Hank explains the science behind the "cinnamon challenge," and reveals why it is nearly impossible to complete.Do not attempt the cinnamon challenge! Instead, why not just watch some videos of the thousands of YouTubers failing at it!...
Crash Course
Computer Vision: Crash Course Computer Science
Today we’re going to talk about how computers see. We’ve long known that our digital cameras and smartphones can take incredibly detailed images, but taking pictures is not quite the same thing. For the past half-century, computer...
SciShow
What's the Weird Face We Make When We Touch Our Eyes
Why does your mouth hang open and cause you to make a silly face when you use eye drops or put on mascara?
SciShow
Why Do You Stick Out Your Tongue When You Concentrate?
Have you ever done something that required a ton of concentration, like threading a needle, and noticed that sometimes your tongue pokes out involuntarily? It turns out this reflex could be a leftover from the evolution of human language!
Crash Course
The Digestive System: CrashCourse Biology
Hank takes us through the bowels of the human digestive system and explains why it's all about surface area.
SciShow
The Neuroscience of Tongue Twisters
We’ve all been tripped up by tongue-twisters. That’s the whole point! But at a neuroscientific level, they’re as difficult to understand as they are to say.
TED-Ed
TED-Ed: How your digestive system works - Emma Bryce
Constantly churning inside of you, the digestive system performs a daily marvel: it transforms your food into the vital nutrients that sustain your body and ensure your survival. Emma Bryce traces food's nine-meter-long, 40-hour journey...
SciShow
5 Weird Reasons Not to Smoke
Hank gives you five MORE reasons why you should probably avoid smoking, or quit if you already smoke - in addition to those big ones you already know about. These are the weird reasons.
Be Smart
Eight Incredible Deep Sea Oddities
We know more about some other planets than we do about the deepest corners of Earth's oceans, and the species we've found there are almost alien. Here's some of the most unbelievable oddities ever observed! Special thanks to the Monterey...
SciShow Kids
Narwhals: Unicorns of the Sea!
The ocean is full of some amazing creatures, but one that remains a bit of a mystery is the Narwhal, which looks like an underwater unicorn.
SciShow Kids
Oh Rats!
Join Squeaks for one of his favorite episodes all about RATS! You'll get to play a few rounds of true or false to learn some interesting facts about these furry creatures!
SciShow Kids
Why Do We Burp?
Everybody does it! But why does it happen? Jessi gives you a look at your digestive system, to discover why we sometimes get a case of the burps.
SciShow Kids
Why Do We Have Saliva?
Mmmm! The smell of a batch of cookies straight out of the oven is enough to make your mouth water! But have you ever wondered why your mouth waters?! Jessi and Squeaks are here to tell you all about saliva and the many ways it helps you...
SciShow
Why Does Melted Cheese Taste So Much Better?
It goes on some of our favorite foods, and it can even make our least favorite foods taste better. Yes, we're talking about melted cheese.
SciShow
Why Do Peaches Make My Mouth Itch?
Allergies can already be a bummer, but did you know they can eventually stop you from enjoying your favorite foods?
SciShow
7 Animals with Super Weird (and Sometimes Horrifying) Teeth
Humans don't have interconnected teeth for slicing, or a secondary set of jaws to clamp down on prey already in our mouths, however, the rest of our animal kingdom is full of strange and awesome adaptations.