SciShow
The Most Poisonous Paints Ever
People have been trying to make the prettiest colors we can for thousands of years. And sometimes, we've even used poison to do it. From lead white to arsenic Scheele's green and cobalt violet, here are just a few of the most toxic...
MinutePhysics
Hitting the Sun is HARD
This video is about the orbital mechanics of why it's so hard to crash into the sun - the energy it takes to get there is astoundingly high, compared with leaving the solar system.
MinutePhysics
Einstein and The Special Theory of Relativity
How Einstein (& others) discovered Special Relativity. Pi day (3.14) is Albert Einstein's Birthday! To celebrate, we'll explain 4 of his most groundbreaking papers from 1905, when he was just 26 years old.
SciShow
Cosmic Tails (That Aren’t From Comets)
Comets are famous for having space tails. But they're not the only ones! Asteroids, planets, and even stars can rock tails of their own.
SciShow
The Alien Storm That Ate Itself
From cyclones to snowstorms, Earth is home to some spectacular weather events. But they're nothing compared to what you can find on the other planets in our solar system. Magnetic tornadoes? Ammonia mushballs? Let's (not literally) dive...
SciShow
Mercury Shouldn't Be Liquid. But It Is.
Mercury, a.k.a. quicksilver, is famous for being a liquid at room temperature...and also below room temperature. But you can't use a high school chem class to explain why. Instead, we need a little help from Einstein.
SciShow
The Electric Light Bulb Was Invented Centuries Before Edison
Thomas Edison often gets credit for the invention of the light bulb, but a good argument can be made that they were around centuries earlier in the form of barometric light.
SciShow
Atlas: The Little Rocket That Still Can
In 1962, John Glenn went into orbit on an Atlas rocket, and thus began a family of rockets that lasted for 60 years!
SciShow
Where Did Mercury’s Spots Come From?
The Sun isn’t the only celestial body in the solar system to boast spots of its own. Mercury, too, has its fair share, and they’re worth wondering about.
SciShow
This Toxic Liquid Telescope from the 1850s Is Finally Useful
Sometimes looking into a pool of a toxic liquid holds the secrets of the universe–or maybe just this one time.
PBS
Should We Build a Dyson Sphere? | Space Time | PBS Digital Studios
The Kepler telescope recently noticed a strange partial eclipse that some have speculated could be a Dyson Sphere. Are Dyson Sphere's possible? Are they practical? What other alternatives to futuristic energy capture do we have to choose...
Be Smart
Do Other Planets Have Seasons Too?
Earth has seasons, but what about the rest of the planets in the solar system? Let’s take a tour from Mercury to Pluto and see what seasons would be like on all our planetary neighbors. Bring a sweater!
SciShow
Why Are Craters Always Round?
If you take a look at all the impact craters in our solar system, the vast majority are nice, neat circles. But why? Meteorites and asteroids strike planets and moons at all sorts of angles. Where are all the elliptical craters?
SciShow
The Strange Life of a Giant Cell | The Xenophyophore
What on earth is a xenophyophore? It's a single-celled organism that unlike what you might think is NOT microscopically small. In fact, these ocean dwellers are a little heftier than that! Learn all about them in this new episode of...
SciShow
A Brief History of Birth Control
Gym teacher Hank gives us the full story of the past, present, and future of birth control.
SciShow
5 Measurements You Might Not Realize Are Named After Scientists
Units are a major way we describe the world around us, and by looking at the scientists some of them are named after, we can get a sense of how we’ve learned so much about our universe.
SciShow
Meet the Mad Haterpillar with Henry Reich from Minute Physics
Hank faces off against Minute Physics's Henry Reich in a battle of eccentricities, fashion, and plant puns.
SciShow
10 Fashion Trends That Are Super Dangerous
Fashion fads come and go—but did you know that some fashion trends are downright dangerous?
PBS
Author Paul Greenberg On Why Americans Should Eat More Fish
Americans consume about 14 pounds of seafood per person annually, compared to over 200 pounds of meat. But many try to capture the nutritional benefits of fish, such as omega-3 fatty acids, by taking fish oil supplements. Paul Greenberg,...
SciShow
Treating Blindness With Light (and Gene Therapy) | SciShow News
We have the first published example of using light and gene therapy to restore someone's vision! And in heavier (metal) news, a recent study found surprisingly high levels of mercury in meltwater from the Greenland Ice Sheet.
Crash Course Kids
Weather In Space (the Rocky Planets)
Do other planets have weather? It turns out that, yes, they do! But, the weather isn't all the same on other planets because of things like atmosphere. In this episode of Crash Course Kids, Sabrina takes us on a tour of the weather on...
PBS
Telescopes on the Moon
Find out about China's current telescope on the moon and what the future plans are for mounting larger telescopes on the lunar surface.
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!