PBS
What New Science Would We Discover with a Moon Telescope?
New ReviewIn order to see the faint light from objects in deepest space, astronomers go to the darkest places on the planet. In order to listen to their quite radio signals, they head as far from any radio-noisy humans as possible. But there’s...
SciShow
Why Things Look That Way Under a Blacklight
Fluorescence isn't just a cool effect that turns your white T-shirt neon purple under a black light. Its discovery opened our eyes to a whole new field of science and engineering. And it's all thanks to a crystal called fluorite. Hosted...
PBS
Why sunscreen in the United States is behind the rest of the world
According to the Skin Cancer Foundation, everyone older than six months should use sunscreen every day to decrease the risk of skin cancer. But today’s sunblock is full of ingredients that are decades old and increasingly obsolete. Dr....
SciShow
How Ovens Helped Discover Quantum Mechanics
Ovens are great for baking, cooking, and.... discovering quantum mechanics? In this fascinating episode of SciShow, Hank takes you through the science of quantum mechanics, and how ovens played a big part in their discovery.
SciShow Kids
Our Favorites | Compilation
Jessi and Squeaks are packing up for a long trip, but before saying goodbye, wanted to share some of their favorite videos.
SciShow
SciShow Quiz Show: Winter Edition with Henry Reich
Hank goes head-to-head with Minute Physics’ Henry Reich to test their wits about the winter solstice, reindeer, and the science of snow! Chapters View all HANK GREEN 0:20 HENRY REICH 0:28 MAX LOUTZENHEISER 1:03 FLORIAN STINGLMAYR 1:06...
SciShow
Sunburns, Sunbeams, and Sunspots: A Summer Compilation
We're enjoying the summer here in Montana, and to help celebrate we thought we'd put together a compilation of our favorite sun-related episodes from our past. Don't worry, you won't need sunglasses for this one!
SciShow
A New Idea About Tabby's Star!
Astronomers might have finally discovered part of why Tabby's Star acts so strangely and we have some new ideas about what triggers a type Ia supernova.
TED Talks
TED: The beautiful tricks of flowers | Jonathan Drori
In this visually dazzling talk, Jonathan Drori shows the extraordinary ways flowering plants -- over a quarter million species -- have evolved to attract insects to spread their pollen: growing 'landing-strips' to guide the insects in,...
SciShow
Why Do Things Fade in the Sun?
Have you ever noticed that sunlight makes colors fade? Join Quick Questions as we explore why that happens.
TED Talks
TED: Can light stop the coronavirus? | David Brenner
Far-UVC light is a type of ultraviolet light that kills microbes and viruses and, crucially, seems to be safe to use around humans. Radiation scientist David Brenner describes how we could use this light to stop the spread of SARS-CoV-2,...
Crash Course
Nebulae
Astronomers study a lot of gorgeous things, but nebulae might be the most breathtakingly beautiful of them all. Nebulae are clouds of gas and dust in space. They can glow on their own or reflect light from nearby stars. When they glow...
SciShow
The Strange Case of the Himiko Blob
In 2009, a team of Japanese astronomers discovered Himiko Blob which is a very bright galaxy, its light originally wouldn’t be able to make it through the atmosphere. So why were those astronomers able to discover it?
SciShow
3 of the Most Peculiar Supernovas
Massive stars die in fantastic explosions called supernovas. Most of them fit neatly into a few categories, but then there are the peculiars, a special group of supernovas that don’t quite fit in with the rest.
TED Talks
TED: A new weapon in the fight against superbugs | David Brenner
Since the widespread use of antibiotics began in the 1940s, we've tried to develop new drugs faster than bacteria can evolve -- but this strategy isn't working. Drug-resistant bacteria known as superbugs killed nearly 700,000 people last...
SciShow
How Do Blacklights Make Things Glow?
Join Hank Green as he explains why blacklights make some things glow!
SciShow
Can Plants Get Sunburned?
Plants need sunlight to live, but they also need to block the sun's more harmful rays. Plants can't put on sunscreen or find shade, so how do they avoid getting a gnarly sunburn?
SciShow
3 Ways Your Sun Protection Can Backfire
People have a lot of ideas about how they can protect themselves from the sun’s ultraviolet radiation, but many of those ideas just don’t hold up, and some make things worse!
Be Smart
Claude Monet Was Half Honeybee
Claude Monet had a very unique eye, and it can teach us a bit about the science of vision
SciShow
How Other-Worldly Auroras Help Us Explore the Galaxy
Earth’s northern and southern lights are some of the most magical sights on our planet. But they’re not unique to Earth, and aside from being beautiful, auroras can also give us unusual insights into these other worlds.
SciShow Kids
How Do We See Color?
Have you ever taken a bite from a bright red apple and wondered why it looks red to you? Jessi and Squeaks talk about how our eyes and brains help us see color!
SciShow Kids
All About Your Body! | Human Body Compilation
The human body is a complicated thing! To be able to move, fight off diseases, and even see colors, lots of different systems and organs need to work together. Squeaks' robot body is pretty complicated, too, so Jessi has put together a...