Amoeba Sisters
Nervous System
Join the Amoeba Sisters on this introduction to the Nervous System! This video briefly describes the division of the central nervous system (including going over some general areas of the brain) and the peripheral nervous system before...
SciShow
What Does Ultrasound Gel Do?
You may have had an ultrasound before, and wondered what that gel does. Well, that weird alien goop has a purpose, and it has to do with being like our weird human skin.
SciShow Kids
Why Does My Ear Hurt?
Squeaks is feeling a little under the weather! As if a sore throat and a stuffy head weren't bad enough, he also has an earache. Join him to learn why we get earaches and what we can do to help our bodies get over them faster!
SciShow
Why Doesn't Your Sphincter Get Tired?
Keeping a muscle clenched usually tires it out eventually, but that’s not the case for sphincters, which do things a little differently.
TED Talks
Sarah Barmak: The uncomplicated truth about women's sexuality
Is women's sexuality more complicated than men's? Well, not really, no, says author Sarah Barmak. In this frank, eye-opening talk, she shows how a flawed understanding of the female body has shaped this discussion for centuries. She...
SciShow
Do My Feet Smell Like Doritos?
Hank tackles another one of the internet's most-asked questions: What makes feet stink? And maybe more importantly, why do they sometimes smell like ... snack food?
SciShow
The Science of Happiness!
Laughter, love, and happiness are some of the best aspects of being human, and we've looked into the science behind it more than a few times. Here are a few videos that we hope will make you happy!
SciShow
How Being Obsessed with Health Can Make You Unhealthy
Dieting and exercise can be good for you, but just because something’s healthy, that doesn't mean more is even healthier.
SciShow
7 Weird Things That Happen Before You're 7
Kids are weird. They eat mud, talk to bugs, and stick things up their noses... but the changes kids go through as they grown out of infancy and into childhood are even weirder!
SciShow
World's Most Asked Questions What Is Energy
What is Energy? The short answer is EVERYTHING. But what does that mean? Let SciShow explain.
SciShow
Hydras Are What They Eat
You may have to open your mouth pretty wide to take a bite of a burger, but a Hydra can tear open its mouth to devour food larger than itself.
SciShow
Why Shouldn't You Take Medicine with Grapefruit Juice?
If you’ve taken prescription medication, have you ever noticed the strange disclaimer, "don't take with grapefruit juice"? There is a very good reason for that! Hank Green explains in this episode of SciShow Quick Questions!
SciShow
Mice That Resist Cocaine Addiction
Sometimes we learn the coolest stuff by being wrong! This week, we learned we were wrong about birds always laying eggs and mice being addicted to cocaine!
Curated Video
%$?# Allergies!
Springtime means the arrival of green grass, bright flowers, and buzzing bees. But for many of us, it's also about sneezing, watery red eyes, and a runny nose, thanks to allergies. In this week's video, you'll learn why we get allergies,...
TED-Ed
TED-Ed: How do cancer cells behave differently from healthy ones? - George Zaidan
How do cancer cells grow? How does chemotherapy fight cancer (and cause negative side effects)? The answers lie in cell division. George Zaidan explains how rapid cell division is cancer's "strength" -- and also its weakness.
SciShow
The 5 Most Important Molecules in Your Body
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!
TED-Ed
TED-Ed: How high altitude affects your body | Andrew Lovering
If you teleported from sea level to the top of Mount Everest, things would go bad fast. At an altitude of 8,848 meters, you would likely suffocate in minutes. However, for people that make this journey over the course of a month, it's...
SciShow
Your Pee is Pollution
Ever wonder what happens after you flush? You should, because your pee is causing problems! Hank talks about how, and why, human waste is having weird effects on the natural world. We're talking homicidal fish and hermaphroditic frogs...
SciShow
The Strange (But True) History of Hysteria
Doctors once believed that the uterus would just start wandering around your body, leading to "hysteria." Spoiler Alert: That's not a thing! Isn't it great to be alive... now?
SciShow
We Might Finally Be Able to Treat the "Stomach Flu" (#inmice)
The treatment for viral gastroenteritis has been stay near a toilet and drink lots of fluids. But new research into cytokines has the potential to change that.
TED-Ed
The world's most painful insect sting | Justin Schmidt
One of these three creatures is thought to possess the world's most painful insect sting: there's an ant that forages in rainforest canopies, a bee that protects a hive of delectable honey, and a wasp that paralyzes tarantulas. So which...
Bozeman Science
Elements of a Feedback Loop
Paul Andersen defines the major elements of feedback loops. The receptors and effectors both sense and respond to changes in their environment. The following examples are used to illustrate the importance of feedback loops in maintaining...
Be Smart
Do Fish Pee?
You know you’ve wondered. Do fish actually pee? And what does that make the ocean… one big toilet?
SciShow
Where Does Love Come From
When it comes to love, we often talk about our hearts...but we should actually be talking about our brains!