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
The Sun Is Green
The Sun is green, actually. We'll go into why the blackbody effect means the Sun emits more green visible light than any other color, and why evolution and color perception mean it's ok to see it as yellow, anyway.
SciShow
Some Of You Can See The Invisible
We know that not everyone's vision is perfect, which is why some of us need glasses. But some people can also just see more stuff than others! From seeing UV and infrared light, to even having bonus color receptors in our eyes, there are...
SciShow
Do Those Glasses Really Fix Colorblindness?
You've seen those viral videos of colorblind people putting on special glasses and reacting to colors they've never seen before! Today, we'll explore how colorblindness works and what those glasses try to do to fix it! Hosted by: Hank Green
SciShow
6 Stupid and Dangerous Things Scientists Did to Themselves
From poking their own eyes, to drinking a patient's vomit, some extremely passionate scientists have done pretty outrageous things to themselves in the name of science.
SciShow
These Plants Are the Same Species
Sometimes the males and females of a species can look really different from each other. This is pretty common in animals (think peacocks), but there are some plant species out there with extreme sexual dimorphism! And now scientists...
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
6 Stupid and Dangerous Things Scientists Did to Themselves
From poking their own eyes, to drinking a patient's vomit, some extremely passionate scientists have done pretty outrageous things to themselves in the name of science.
SciShow
These Plants Are the Same Species
Sometimes the males and females of a species can look really different from each other. This is pretty common in animals (think peacocks), but there are some plant species out there with extreme sexual dimorphism! And now scientists...
SciShow
Can Dogs See Color?
Quick Questions dispels the myth that dogs can only see in black and white.
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!
MinuteEarth
MinuteEarth Explains: Stuff That...Isn’t
In this collection of classic MinuteEarth videos, we find out that lots of what we thought we knew about the world around us isn’t quite right.
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
Do Those Glasses Really Fix Colorblindness?
You've seen those viral videos of colorblind people putting on special glasses and reacting to colors they've never seen before! Today, we'll explore how colorblindness works and what those glasses try to do to fix it!
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
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 Kids
How Wildfires Help!
Roasting marshmallows over a fire is a lot of fun, but did you know that, in nature, fire keeps our forests clean and healthy and even helps some plants grow?
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!
TED-Ed
TED-Ed: Why wildfires are necessary - Jim Schulz
Our early ancestors relied on lightning to cause forest fires, from which they could collect coals and burning sticks to help them cook food and clear land. Yet, it wasn't just humans who benefited from these natural phenomena. Even as...
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...
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!