SciShow
Are Aliens Signaling Us?
I'm not saying it's aliens....and it's probably not aliens. Also, an update about the most recent SpaceX explosion!
SciShow
World's Most Asked Questions How Can I Fall Asleep
People ask Google everything under the sun. One of the most commonly searched questions in the world is “How Can I Fall Asleep?” Allow us at SciShow to explain.
SciShow
World's Most Asked Questions Why is the Sky Blue
People ask Google everything under the sun. One of the most commonly searched questions in the world is “Why Is the Sky Blue?” Allow us at SciShow to explain.
Crash Course Kids
Space Compilation
Maybe you'd like to just hear about one topic for a while. We understand. Thus, we've created our Compilation Series. In this video, we look at some of our videos about Space. Sabrina talks to us about the Sun, stars, the universe, and...
Crash Course
Like Pale Gold - The Great Gatsby Part I: Crash Course English Literature
In which John Green explores F. Scott Fitzgerald's novel of the Jazz Age, The Great Gatsby. John introduces you to Nick Carraway, Jay Gatsby, Daisy and Tom Buchanan, and the other characters in the novel, and tries to look beyond the...
SciShow
Cyborg Eyes and Stumpy the Dumpy Tree Frog: SciShow Talk Show #11
SciShow graphics guy Louey Winkler discusses LED contact lenses and the implications of enhancing and assisting human beings with technology, and then attempts to stump Hank with a physics riddle. Jessi from Animal Wonders shares Stumpy...
TED Talks
Bill Gross: A solar energy system that tracks the sun
Bill Gross, the founder of Idealab, talks about his life as an inventor, starting with his high-school company selling solar energy plans and kits. Learn here about a groundbreaking system for solar cells -- and some questions we haven't...
Crash Course
Astrophysics and Cosmology: Crash Course Physics
It's time for the end. At least the end of our first series on Physics here at Crash Course. In this episode of Crash Course Physics, Shini sits down to talk about Astrophysics and Cosmology. By using what we've learned this year, we can...
SciShow
The Milky Way May Have a Disk of Black Holes
Computer models are helping scientists on the hunt for small black holes and new data is giving us a better understanding of the universe’s largest explosions.
SciShow
Photosynthesis WITHOUT THE SUN
Plants need light to survive. But apparently, that doesn't have to be sunlight.
PBS
Can You Trust Your Eyes in Spacetime?
Last time we talked about what curvature means, looked at geodesics, great circles on spheres, and tried to understand the notion of "straightness". This week on Spacetime, we take a detour into how geometry works in spacetime. Get...
SciShow
How Do Blacklights Make Things Glow?
Join Hank Green as he explains why blacklights make some things glow!
SciShow
Could Solar Panels in Space Solve all Our Energy Needs?
We need more solutions for our energy needs, and one idea is straight out of science fiction: Solar panels, in space.
SciShow
Circadian Rhythm and Your Brain's Clock
Why do we sleep at night instead of during the day? In this episode of SciShow Hank talks about circadian rhythms, how they work, and how they regulate different processes in our bodies.
SciShow
The Future of Space Telescopes: Umbrellas & Glitter!
After Hubble and Webb, what's the future of space telescopes? Two ideas in planning stages right now involve the space-age versions of umbrellas and glitter.
SciShow
The Black Hole at the Center of Our Galaxy: Don't Panic!
SciShow Space explores the supermassive black hole spinning at the center of our galaxy, and how we've all learned to live with it in harmony.
TED-Ed
Can you win a game of quantum foosball? | Matteo Fadel
After a long day working on the particle accelerator, you and your friends head to the arcade to unwind. The lights go out for a second, and when they come back, there before you gleams a foosball table. Always game, you insert your...
SciShow
Meet Icarus: The Farthest Star We've Ever Seen
We’ve seen a distant star from another galaxy far, far away, and the Milky Way is growing, thanks to baby stars born in the outer edge of our galaxy’s disk.
TED Talks
TED: Fashion and creativity - Isaac Mizrahi
Fashion designer Isaac Mizrahi spins through a dizzying array of inspirations -- from '50s pinups to a fleeting glimpse of a woman on the street who makes him shout "Stop the cab!" Inside this rambling talk are real clues to living a...
SciShow
The Horrible Reason Rolly Pollies are Sometimes Blue
If you uncover a bunch of rolly pollies under a log, you don't expect to find a bright blue one crawling among all the usual grays and browns. But it turns out your fun surprise is some very bad luck for that terrestrial isopod.
PBS
The Great American Eclipse
Get your eclipse glasses ready because the a total solar eclipse is an astronomical event unlike any other.
TED Talks
TED: The thrilling potential for off-grid solar energy | Amar Inamdar
There's an energy revolution happening in villages and towns across Africa -- off-grid solar energy is becoming a viable alternative to traditional electricity systems. In a bold talk about a true leapfrog moment, Amar Inamdar introduces...
SciShow
Why Do I Have to Use a Number 2 Pencil?
Why do exams always tell you to use a number 2 pencil? What happens if you don't? Quick Questions explains!