Be Smart
Is Your Eye Color Real?
The eyes are often the first thing we see when we look at someone. And when you look at them up close, everyone’s eye color is a kaleidoscope of shapes and hues. How does eye color work? The answer involves some very cool physics, and...
SciShow
Are Blue Eyes Endangered?
SciShow explains the genetics -- and physics -- behind why blue eyes are blue, and what the future may be for the trait. Spoiler alert: Blue eyes aren’t really blue! SciShow explains!
Be Smart
Can Evolution Make an Eye? - 12 Days of Evolution #4
Some of the biggest evolution questions finally answered.
SciShow
Could Eye Drops Replace Your Glasses?
Getting older means it’s likely that your eyes will have trouble focusing on things at close distances, so we are often prescribed glasses to combat this problem. But what if there were eye drops that could achieve the same results?
SciShow
Why Do My Eyes Glow Red in Photos?
You know how sometimes your eyes glow bright red in photos, making you look like a scary demon and ruining a priceless family memory? Well, there's a pretty cool reason it happens and ways to stop it! Learn about both in today's QQ!
SciShow
Do Brown Eyes See Better?
Since eye color is determined by chemical and structural differences in the eye, it seems logical that different eye colors see the world in different ways.
SciShow
Why Do Some Drugs Make Your Pupils Wider?
How do your pupils work and why do some substances make them dilate?
SciShow
The Night Sky in Infrared
James Webb wouldn’t be equipped to look in the infrared if not for the previous missions that have allowed us to see the universe in wavelengths that the human eye can’t see!
SciShow
What Are Eyeballs Made Of?
Eyeballs are unique organs, providing many animals with the ability to interpret the light waves in the world around them, but what are these squishy parts made of?
SciShow
How U.S. Airports Might Revamp Security... Using Game Theory
For the past few years, airports have been working with game theorists to step up their security game.
SciShow
Space Hype!
Sometimes science news is less about stuff that actually happened, as much as it is about people going "PAY ATTENTION TO ME" and space news is no exception. In fact this week there was probably as much hype as real news, all in the name...
SciShow
Are Blue Eyes Endangered?
SciShow explains the genetics -- and physics -- behind why blue eyes are blue, and what the future may be for the trait. Spoiler alert: Blue eyes aren't really blue! SciShow explains!
TED-Ed
TED-ED: Why do we cry? The three types of tears - Alex Gendler
Whether we cry during a sad movie, while chopping onions, or completely involuntarily, our eyes are constantly producing tears. Alex Gendler tracks a particularly watery day in the life of Iris (the iris) as she cycles through basal,...
Crash Course
Dissecting The Camera: Crash Course Film Production
Sometimes the most intimidating part of making a movie is that little box of concentrated technology called "The Camera." But, FEAR NOT! In this episode of Crash Course Film Production, Lily helps us dissect the basics of modern movie...
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...
Crash Course
Unsupervised Learning
Today, we’re moving on from artificial intelligence that needs training labels, called Supervised Learning, to Unsupervised Learning which is learning by finding patterns in the world. We’ll focus on the performing unsupervised...
Curated Video
Revolutionizing Airport Security: Iris Scanning for Quick and Efficient Passport Checks
This video highlights a new iris scanning machine being trialed at London's Heathrow Airport, which aims to revolutionize passport checks and eliminate time-consuming queues. The machine can positively identify passengers through an iris...
Curated Video
Understanding the Anatomy and Function of the Eye
In this video, the teacher explains the structure and function of the eye, as well as the different classifications of iris colors. They also discuss how the eye processes light and forms images, and why some people may need glasses due...
Curated Video
How We See Part 1: Eyes
The process of seeing is a collaboration between the brain and the eye. How does the eye work to create sight, from the lens and iris to the pupil, retina and optic nerve? Biology - Being Human - Learning Points. A far larger part of the...
Curated Video
Dissection: Eye
We dissect and examine the different parts of a sheep's eye. These include the iris, retina, aqueous humour, vitreous humour, optic nerve and the lens. The lens is also used to distort the pattern on a piece of card to demonstrate how it...
Curated Video
Joints and muscles – Clip
Your body uses many muscles beyond your control in order to keep functioning properly. Life processes - Body systems - Joints and muscles Learning Points Involuntary muscles are muscles that move on their own. A Twig Tidbit Film - Clip....
Wonderscape
Understanding Vision: The Science Behind Our Eyes at the Beach
Explore the complexities of visual perception through the anatomy of the eye. This video explains how the sclera, cornea, iris, pupil, and lens work together to process light and images, using a day at the beach as an illustrative...
Curated Video
Revolutionizing Passport Checks: The Future of Travel at Heathrow Airport
This video discusses a new iris scanning machine that is being trialed at London's Heathrow Airport. The machine aims to revolutionize passport checks by positively determining passengers' identities through an iris scan, eliminating the...