SciShow
Retinal Scanning is Changing Healthcare
Your optometrist can tell you if you're at risk for cardiovascular disease, Alzheimer's, or diabetes. And it's all thanks to James Bond-style retinal scanners.
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 Unique Reason Reindeer Change Their Eye Color
Plenty of animal eyes "glow" in the dark, but only one species has eyes that change color with the seasons.
SciShow
Visual Illusions: Why You See Things That Aren't There
Visual Illusions: Why You See Things That Aren't There
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
Your Brain Probably has a "Pokemon Region" | SciShow News
If you're a Pokémon super-fan seeing Detective Pikachu this weekend, a little bit of your brain might light up that won’t light up in the brains of those that didn’t try to catch 'em all! Find out why that's important to understanding...
SciShow
Victorian Pseudosciences: Solving Murders with Eyeballs
In the 1800s, Wilhelm Kühne created an image of a window from the eyes of a rabbit. Was this technology applicable to humans? Hosted by: Michael Aranda
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
8 Incredibly Brilliant Spiders
They get a rap for being spooky, but whether it’s building bridges across rivers or solving puzzles, spiders are way cooler than you might think. Many have smart or elaborate features that allow them to do some pretty extraordinary...
SciShow
Where Do Our Facial Expressions Come From?
Our facial expressions convey a lot about our emotions, but why? Hank explores how our evolution has helped form how we communicate with our faces. Hosted by: Hank Green
SciShow
Why Do Cat Eyes Glow in the Dark?
Those eerie shining orbs staring at you from the bushes when you take the trash out at night could be any number of animals, but why do their eyes glow like that? Hosted by: Michael Aranda
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
5 Things Humans Got Really Wrong About Our Bodies
Throughout history, people have been trying to figure out how our bodies work and how to fix them when things go wrong. This has led to some ideas that, with the benefit of hindsight, seem very strange
SciShow
The Unique Reason Reindeer Change Their Eye Color
Plenty of animal eyes "glow" in the dark, but only one species has eyes that change color with the seasons.
TED Talks
Kwabena Boahen: A computer that works like the brain
Researcher Kwabena Boahen is looking for ways to mimic the brain's supercomputing powers in silicon -- because the messy, redundant processes inside our heads actually make for a small, light, superfast computer.
SciShow
Victorian Pseudosciences: Solving Murders with Eyeballs
In the 1800s, Wilhelm Kuhne created an image of a window from the eyes of a rabbit. Was this technology applicable to humans?
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.
SciShow
8 Awe-Inspiring Spiders
Whether it’s building bridges across rivers or solving puzzles, spiders are way cooler than you might think. Many have smart or elaborate features that allow them to do some pretty extraordinary things! Chapters View all NET-CASTING...
SciShow
How Birds Really See the World
Ever wonder what it looks like from a birds-eye-view? Hank explains they see more than you think!
TED Talks
Andrew Bastawrous: Get your next eye exam on a smartphone
Thirty-nine million people in the world are blind, and the majority lost their sight due to curable and preventable diseases. But how do you test and treat people who live in remote areas, where expensive, bulky eye equipment is hard to...
TED-Ed
TED-Ed: What are those floaty things in your eye? - Michael Mauser
Sometimes, against a uniform, bright background such as a clear sky or a blank computer screen, you might see things floating across your field of vision. What are these moving objects, and how are you seeing them? Michael Mauser...