SciShow
The Secret Behind Bioluminescent Bays
In a few special places around the world, the ocean lights up at night with countless tiny blue flashes thanks to some tiny organisms and science.
SciShow
Its True The Sun Really Does Flash Green
The mythical green flash at sunset isn't actually a myth! Stefan explains why it happens, and how you can see it.
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.
SciShow
There’s a Birth Control for Stars
Black holes are already pretty extreme, but some stand out among their peers, driving cosmic engines that outshines the rest of the galaxy and even serving as birth control for stars!
TED-Ed
Can you solve the logician's rave riddle? | Edwin Meyer
Once a year, thousands of logicians descend into the desert for Learning Man. At the center of that gathering is the world's most exclusive club, where under the full moon the annual logician's rave takes place. The entry is guarded by...
TED-Ed
TED-Ed: The story behind your glasses - Eva Timothy
What scientific thinkers and achievements have led to vast improvements in optics over the centuries? Discover the fascinating ways that our understanding of light informs the world in which we live.
SciShow
Baby Zebrafish Eyes Work Kind of like Real-Time Photoshop
Some fish have superpowers! Zebrafish eyes can boost the color and contrast of what they see and baby whale fish are electric.
SciShow Kids
How Are Raisins Made?
Raisins are a sweet, healthy treat, but they have a big secret: they start out as grapes! And the story of how they go from big, juicy grapes to little, chewy raisins is super cool!
TED-Ed
TED-Ed: The unexpected math behind Van Gogh's "Starry Night" - Natalya St. Clair
Physicist Werner Heisenberg said, "When I meet God, I am going to ask him two questions: why relativity? And why turbulence? I really believe he will have an answer for the first." As difficult as turbulence is to understand...
SciShow
Talk Show: Henry Reich, Fluorescence, and a Half-moon Conure
Talk Show: Henry Reich, Fluorescence, and a Half-moon Conure
SciShow Kids
The Colors of Stars! | The Science of Colors! | SciShow Kids
Sam the Bat noticed that some stars are different colors, so Mister Brown teaches him about what colors stars can be, and what all the colors mean! Next Generation Science Standards Crosscutting Concepts: Patterns: Observed patterns in...
SciShow
Why Do Leaves Change Color and Fall?
They’re pretty to look at, sure -- but the changing leaves you see in autumn are really a striking example of nature taking extreme measures to protect itself.
SciShow
Technicolor Dream Fish: How Tilefish Flash
Lots of animals can change the color of their skin, but there's nothing quite like the chameleon sand tilefish, which can change its appearance in an instant and flash the colors of the rainbow.
SciShow
3 Brand New Colors That Scientists Discovered
For millennia, we mostly had to make do with natural pigments and dyes, but in the last 300 years or so, chemical synthesis has revolutionized the colors of our world.
SciShow
Biofluorescence: A Neon World Hidden in Plain Sight
Lots of life on Earth can fluoresce, creating a beautiful neon world of camouflage, communication, and adaptation that is hidden from the human eye.
Be Smart
What Are Rainbows?
Dorothy went over one. LeVar Burton read to us under one. In a song, Kermit the Frog connected us to one. Even Mork's suspenders were made of them. Our culture, and our skies, are full of rainbows, but do you know how they form? Do we...
SciShow Kids
Why Is the Sky Blue?
Jessi and Squeaks love watching clouds and birds fly way up in the sky! But why is the sky blue?
SciShow
The Stroop Task: The Psych Test You Cannot Beat
The task sounds like it should be pretty easy, but the Stroop task is a fantastic, and very well studied, example of how your brain’s automatic processing can trip you up!
SciShow Kids
What Are Stars?
Find out what makes stars what they are, and take a tour of some of the most extreme stars in space!
SciShow Kids
Which Hand Is Stronger? Biology for Kids
Have you ever tried to write or color with both hands at the same time? It seems like it would save a ton of time, right? But for most people, one of their hands is way better at drawing or writing than the other!
SciShow
Why Is My Pee Green?
How worried should you be when your urine isn't yellow, but instead it's green, red, or even black?