Be Smart
How Your Brain Makes Its Own Electricity
Here’s a thought: What IS a thought? I know it involves my brain, and my brain is made of neurons. And my brain’s neurons are listening to other neurons all over my body. But how do those neurons actually work? Maybe you’ve heard that it...
SciShow
Visual Illusions: Why You See Things That Aren't There
Visual Illusions: Why You See Things That Aren't There
SciShow
The Truth About Asparagus and Your Pee
An astonishing amount of research has gone into the question of whether asparagus really makes your urine smell funny. Sci Show explains it all inside!
SciShow
Placebos & Nocebos: How Your Brain Heals and Hurts You
You've probably heard how some drugs and treatments make people feel better, even when they turn out to be fake. That's the placebo effect, but how does it work? And could the same effect backfire, causing your brain to make you feel...
SciShow
We Finally Know How Anesthesia Works
Even though doctors have been using general anesthesia for nearly 200 years, they haven’t really understood the details of how it temporarily shuts down your brain — until now.
SciShow
The 8 Smartest People of the Year: 2013's Nobel Winners
Hank profiles this year's Nobel laureates in science, whose achievements have helped us understand questions as small as how our cells transport materials, and as big as why matter exists at all.
SciShow
Bivalves Could Be the New Lab Rats
Bivalves—animals like mussels, clams and oysters—might be a more familiar sight in a restaurant than a lab. But it turns out that studying them might help us learn more about our own health.
SciShow
The Science of Dreaming
Dreaming is one of the weirdest things we do & in this SciShow infusion Hank talks about how science is helping us understand why we dream, what our brains are up to when they're doing it, and why dreaming may be critically important to...
SciShow
Are Sore Muscles Actually Getting Bigger?
After a tough gym sesh, your muscles are likely pretty sore—that means they're growing right? Find out about what's actually happening in your body when your muscles are sore on this new episode of SciShow! Let's go! Hosted by: Hank Green.
SciShow
Are Blue Eyes Endangered?
SciShow explains the genetics -- and physics -- behind why blue eyes are blue, and what the future may be for the trait. Spoiler alert: Blue eyes aren’t really blue! SciShow explains!
SciShow
6 Ways to Accessorize Animals for the Sake of Science
Decking out your pets with miniature hats is a sure recipe for a great photo. But scientists are accessorizing animals with various technological trinkets to help us learn more about the animals themselves and the places they live.
SciShow
5 Animals With Superpowered Senses
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
SciShow
The Truth About Dog Years (Your Pupper Is Older Than You Think!)
You might have heard that one year in a dog’s life is equivalent to seven in a human’s. But it turns out that the real ratio is both higher AND lower—depending on your dog’s current age.
SciShow
The Frog with Hidden Claws
A frog with retractable claws? Weird. A frog with claws that it has to push through its skin to use? Even weirder.
SciShow
Migraines: Not Just Another Headache
If you've never had a migraine, you might think it's just a really bad headache. But if you've ever had them, or you know someone who does, you know that they're much worse -- and much more complicated -- than that. Hank explains the...
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!
SciShow
5 Ways Biology Is Transforming Buildings
Throughout history humans have come up with lots of different ways to build shelters for themselves. But sometimes, inspiration for better construction materials comes from nature, in structures you might not expect — like the scales on a
SciShow
A User's Guide to the Human Body
If you've ever wondered why you crave certain foods or what your appendix actually does, there's something in this collection for you!
SciShow
5 Times Evolution Should Have Planned Ahead
Natural selection can lead to some pretty amazing adaptations, but sometimes the resulting traits aren’t the most efficient solutions to the problems at hand. With the bar set to “good enough,” here are some features that arose from...
SciShow
Nobel News Capturing Photons Cloning Frogs
Hank brings us the news about the new Nobel Prize winners in the sciences, what they won for and what it all means.
SciShow
The 2017 Nobel Prizes: Biological Clocks and Microscopy
Last week, the recipients of the 2017 Nobel Prizes were announced. We take a closer look at the winners of the Physiology and Chemistry Awards, whose breakthroughs change the way we study sleep, and allow us to look at microscopic...
SciShow
How the Electricity in Our Bodies Could Fight Cancer
One potential avenue for cancer treatment uses electricity not from any outside machine, but from within our own bodies.
SciShow
SciShow Quiz Show: Weird Facts About Humans
Hank squares off against the host of SciShow Kids, Jessi Knudsen Castaneda, to match wits about chemistry, evolution, and how babies are weird!
Crash Course
Your Immune System: Natural Born Killer - Crash Course Biology
Hank tells us about the team of deadly ninja assassins that is tasked with protecting our bodies from all the bad guys that want to kill us - also known as our immune system.