SciShow Kids
How Eyes Let Us See The World | SciShow Kids
New ReviewSqueaks is heading on a trip around the world! He's going to see so much, and wants Jessi to experience those sights, too. In this episode, he learns about how humans (and a couple of other animal guests) see.
Be Smart
How To See Colors That Aren't Real
What color is a banana? Duh, it’s yellow. But what is yellow? Now that you mention it, how do we see color in the first place? That’s the series of questions that led me to making this video. It started simple and took me down a rabbit...
SciShow
Visual Illusions: Why You See Things That Aren't There
Visual Illusions: Why You See Things That Aren't There
SciShow
This Molecule Has Saved Billions of Lives, How Do We Make It Without Killing Ourselves?
Ammonia is extremely useful to us as a crucial ingredient in fertilizers. But producing it also has a significant carbon footprint, which is why scientists have been on the hunt for a way to make ammonia production greener.
SciShow
8 Mind-Blowing Optical Illusions
Your brain does its best to inform you about the world around you, but sometimes it gets tricked. Enjoy eight optical illusions to test your brain’s sensory input.
SciShow
Why Can't My Cat See a Treat in Front of Her Face?
Cats are known for having fantastic night vision, but why is it during the day my cats can't see the treat that I'm putting right in front of them?
SciShow
This Material Is Nearly Uncuttable
European researchers claim to have developed a composite material that is basically uncuttable, so with this material, your bike might never be stolen.
SciShow
Magenta Is All In Your Head
The world is full of colors. Almost all of them can be described by a wavelength of visible light, but there are some colors out there that are just in your head!
SciShow
Meet the Oilbird A Bird that Thinks its a Bat
In South America, there’s a flying animal that lives in colonies in caves, emerges at night in search for food, and navigates using echolocation... And it isn't a bat.
TED-Ed
TED-Ed: How we see color - Colm Kelleher
There are three types of color receptors in your eye: red, green and blue. But how do we see the amazing kaleidoscope of other colors that make up our world? Colm Kelleher explains how humans can see everything from auburn to aquamarine.
SciShow
What Is Night Blindness?
Night blindness is real, and it can be caused by any number of things that affect the complicated mechanics of your vision.
SciShow
Visual Illusions: Why You See Things That Aren't There
What's the deal with all those little flashes of light you see when you close your eyes? And why do truck drivers and people in jail see glowing circles and spirals?
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
Why Can't My Cat See a Treat in Front of Her Face?
Cats are known for having fantastic night vision, but why is it during the day my cats can't see the treat that I'm putting right in front of them?
SciShow
The World's First Human-Made Nuclear Reactor
Today on SciShow, Hank brings us a little science history, telling us the tale of the world's first human-made nuclear reactor, which was built by a team of scientists and students led by Enrico Fermi in a converted squash court under a...
SciShow
How Many Colors Can We See?
Quick Questions cracks the code of color vision, color blindness, and even newly discovered sort of technicolor vision!
Crash Course
Vision: Crash Course A&P
Next stop in our tour of your sensory systems? VISION. With a little help from an optical illusion, we take a look inside your eyes to try to figure out how your sense of vision works -- and how it can be tricked. *** Table of Contents...
Curated Video
How to Rod a Princess Castle Cake for a Kids' Birthday Party
Howcast - Learn to make a princess castle cake for a kids' birthday party from Essential Cakes' Etwin Gordon in this Howcast video, part 5 of an 11-part series.
Curated Video
How to Pick Brushes for Drumming
Howcast - Learn how to pick brushes from drum teacher Jason Gianni in this Howcast drum video.
Curated Video
How to Pick a Welding Rod
Howcast - Learn how to pick welding rods from sculptor DeWitt Godfrey in this Howcast video.
Curated Video
How to Set Up a Pedal Steel Guitar
Howcast - Learn how to set up a pedal steel guitar in this Howcast video.
Curated Video
How to Measure for Curtain Rods
Howcast - Curtains can add to the decor of any room, but if the rods aren't measured and hung correctly, you can ruin their effect.
Curated Video
How to Change a Drum Head
Change your drum heads between gigs or before you go into the recording studio to keep your drums sounding fresh and lively.
Curated Video
Benjamin Franklin
“Benjamin Franklin” gives a brief overview of Benjamin Franklin’s greatest accomplishments in science, politics, and civilian life.