SciShow
We Don’t Know What the Sun Is Made Of
Unlike Earth, our Sun is a giant ball of mostly hydrogen and helium. Astronomers managed to figure that one out roughly 100 years ago. But after all this time, they still can't come to an agreement on what "mostly" means, precisely.
SciShow
This Element Doesn't Fit the Periodic Table
One of the most famous elements in the periodic table doesn't really belong anywhere chemists would like to put it.
SciShow
How Do We Know How Old the Earth Is?
In the wake of World War 2, Clair Patterson embarked on a scientific quest to find out how old the Earth really is. His hard work paid off, but it also revealed a modern danger.
PBS
How to Weigh a Fart | Space Time | PBS Digital Studios
EVER WANTED TO WEIGH A FART? Well, it isn't easy, but Gabe from PBS Space Time walks us through the math, physics, and science behind farts and explains how to measure them!
PBS
How Many States Of Matter Are There?
Let’s talk about states of matter. You know your states of matter don’t you? We have solids, liquids and gasses, and plasmas, quark-gluon plasmas, nuclear matter, bose-einstein condensates, neutronium, time crystals, and sand. Come to...
SciShow
Your Fridge Isn’t Green, but It Could Be
Refrigeration and air conditioning are among the largest sources of carbon, and the refrigerants we use are greenhouse gases, too. But green refrigerants are on the way, from elastocaloric cooling to a method a bit like salting an icy road.
SciShow
Most Planets Don't Orbit Stars!?
Hunting for rogue planets is like hunting for an invisible needle in a haystack. But we're getting a much clearer view thanks to gravitational microlensing surveys. And it looks like there are a LOT more of them out there than we thought.
SciShow
Do Zombies Float or Sink?
If you’re trying to figure out where to plan on sheltering during the zombie apocalypse, it’s essential to know whether zombies sink or float!
SciShow
From Lifesaver Sparks to Life-saving Tech: The Science of Triboluminescence
You might know that if you chomp on a Wint-O-Green Lifesaver in a dark room, you can see little blue flashes of light in your mouth. What you might not know is that this is an example of triboluminescence: a fascinating, somewhat...
SciShow
Can It Be Too Hot To Fly?
How does heat affect airplanes? Turns out heat, speed and density connect to create dangerous situations.
SciShow
3 Surprising Things Matter Does Under Extreme Pressure
3 Surprising Things Matter Does Under Extreme Pressure
SciShow
Limnic Eruptions: When Lakes Explode
SciShow takes you inside a limnic eruption, a natural disaster that’s as deadly as it is rare.
SciShow
What is Your Poo Telling You? What You Should Know About Poop
We know that everyone poops, but what is your poo actually telling you? Here on SciShow, we've talked a lot about poop and the science behind it—so today's episode is a compilation of answers to your poop related questions! Join Stefan...
SciShow Kids
Why Does Popcorn Pop? | The Science of Food! | SciShow Kids
Squeaks and Mister Brown are making popcorn for all of their friends, and learning all about how heat makes popcorn kernels pop!
SciShow
How Engineers Are Turning Wind into Protein Powder
Alternative energy is great, but our infrastructure isn't exactly equipped to handle it. So scientists are coming up with other ways to use it, including turning it into food.
SciShow Kids
Where Does Frost Come From? | Winter Science | SciShow Kids
If you've ever gone outside really early on a cold day in fall, you might have seen a thin layer of sparkly ice crystals covering everything! That ice is called frost, and it can only form if the weather is exactly right!
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SciShow
Airplanes and Other Man-Made Cloud Machines
What do airplanes, power plants, ships, and explosions have in common? They all make clouds!
SciShow
We Found a Planet That Orbits Three Stars..Maybe?
New simulations of a triple-star system in the constellation Orion suggest that a planet might be orbiting three stars, which could drastically increase the amount of the solar systems we believe are out there forming planets! And the...
SciShow
Early Galaxies Ran on Empty Gas Tanks
Many galaxies formed fast after the Big Bang, but about half of them suddenly stopped making new stars and it looks like this is literally because they ran out of gas. And with new instruments and techniques, we are now finding lost...
SciShow
What’s Hiding Inside The Crab Nebula?
The Crab Nebula is one of the most studied things in the sky, but it took glimpses through various wavelengths of the electromagnetic spectrum to get a full picture of what’s hiding inside!
SciShow
From Lifesaver Sparks to Life-saving Tech: The Science of Triboluminescence
You might know that if you chomp on a Wint-O-Green Lifesaver in a dark room, you can see little blue flashes of light in your mouth. What you might not know is that this is an example of triboluminescence: a fascinating, somewhat...
SciShow
The End of Everything
Hank gives us an inclusive overview of how everything in the universe is thought to have begun, and how cosmologists predict it will all come to an end. Now get happy!
SciShow
How Plastic Balls and Garbage Cans Help Us Study Space
How can we be so sure of the way celestial bodies behave when they're so far away? With the help of some speakers, garbage cans, and springs of course.