SciShow
Can Sponges “Think” Using Light?
Sponges might not look like particularly complex animals, but they've had billions of years to evolve their own special systems. And one of those systems might involve sending messages through their body in the form of light.
SciShow
These Animals Lost Their Stomachs. Why?
What do a platypus, a pufferfish, and a seahorse have in common? Why, they all managed to evolve themselves out of having a working stomach! The reasons why might vary, as well as how they manage to live their lives without them, but...
SciShow
Is There A Wrong Way To Sit?
Sometimes called "W-sitting," this popular way for kids to plop in front of the TV has been stigmatized for decades. For most people, research indicates it's just fine. But a small percentage of W-sitters do have a problem.
SciShow
Were Long Necks Also Tall Necks?
Long-necked sauropod dinosaurs are some of the most striking animals that ever lived. But we don't know what they used their long necks for, and whether they held them high in the air or parallel to the ground. Here's what we do know.
SciShow
The Weirdest Things That Sneezing Can Do To You
Chances are, the worst thing that's happened to you because of a sneeze is a snot rocket. But for these people, sneezing caused anything from damaged ears to a broken neck! But in one case, a sneezing fit saved one woman from needing...
SciShow
Could a Perfume Ingredient Save ER Patients?
Sometimes, major injury causes blood loss that results in improper clotting, or coagulopathy. Some researchers think a compound used in perfume to create jasmine fragrances could help save these patients.
SciShow
A Universal Cure for Snake Bites?
If you're bitten by a snake, you might need a horse to save your life. Researchers are searching for better antivenoms to treat illnesses like snake bite, and they're turning to monoclonal antibodies, made in a lab, to replace the...
SciShow
The Bizarre World Of Underwater Sneezing
For us terrestrial animals, sneezing is a regular part of life involving the movement of a lot of air. But animals that live underwater and don't breathe air like we do also sneeze. Sea sponges, corals, and hagfish use their snot to...
MinuteEarth
How Do Abortion Pills Work?
You may have heard of "abortion pills" - here's what these medications are and what they do (and don't do).
MinuteEarth
What if We Replaced Nuclear With Potatoes
Energy use can be confusing – I mean, how do you compare gasoline in your car to electricity piped to your house? That's why we made these things spud-tacularly simple.
MinuteEarth
Why Do Heart Attacks Cause *Arm* Pain?
When the brain receives pain from an internal organ, it often projects the pain in the wrong place because of the way sensory nerve paths converge
MinuteEarth
The Disease You Will Never Survive
A simple mis-folding in a certain brain protein causes a disease for which we have no cure.
SciShow
What are Blood Types?
Quick Questions explains why, when it comes right down to it, there are really only eight kinds of people in the world.
SciShow
Weird Diagnostics
Hank goes over some of the more interesting ways that doctors can use to tell what might be wrong with you.
SciShow
There Are Millions of Blood Types
You’re probably aware that your blood can be A, B, AB or O, but it turns out that blood types can get a lot more complicated than that! *We made a mistake in the credits of this video: The writer of this episode was Alane Lim.
SciShow
The Problem with Bee Venom Therapy
Does bee venom therapy work? Stings cause pain, itching, or even death in some people, so how might potential benefits outweigh the risks?
SciShow
The Key to an Artificial Heart ... and Open-Heart Surgery
Scientists have been trying to pull blood out of the body and put it back in again since the early 1800s, but bypass machines haven't been easy to get right.
SciShow
The Deal with Carbs
Carbs are pinned to be the villains in many diets, but those poor guys are just misunderstood.
SciShow
Slug Sex and Bubble Rafts: Nature's Most Unusual Slime
Slime videos have been a popular trend on YouTube recently, but there are a few animals with their own versions of slime, which they use for some very cool things!
SciShow
Should You Worry About Caffeine Dehydrating You?
There’s a widespread belief that caffeinated drinks will make you dehydrated because the caffeine itself makes you pee. But is caffeine affecting you as much as you think?
SciShow
Scientists Just Transferred Memories... Between Sea Slugs
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!
SciShow
Retroviruses: Microbial Supervillains
Forget your Hans Grubers, Lord Voldemorts, and Hannibal Lecters. It’s time to meet some real supervillains. They’re called retroviruses, and they actually change their host cell’s DNA.
SciShow
Mind-controlling Parasites!
Hank introduces us to some freaky parasites that use mind control to hijack the brains of their hosts.