Hank brings the answer into focus. Hosted by: Hank Green

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

Rocks or mineral crystals can often remind us of other things in our daily lives, but coming across some of THESE rocks might be one of the creepiest experiences a rockhound can have!

When you were a kid, one of your friends probably told you that if you sneezed with your eyes open, your eyeballs would pop out of your head. But that can't really happen... right?

This video is brought to you by the Child and Teen Checkups program of the Minnesota Department of Health.

The newest 8K TVs have 33 million pixels - but can you even see that many?

Associate Producer Stefan Chin faces off against his boss, Hank Green. Will Stefan manage to keep his job? What does a dinosaur sound like? And where is that space whale?

So you think eye licking (also known as worming) is just a harmless bit of foreplay? Think again.

Sometimes our eyes do weird things. One of the things that it sometimes does is get floaters. What are they? Where do they come from? Join us today on SciShow as Hank explores the science behind these little specks.

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?

Hank combines two of his favorite things - talking to scientists and strange things washing up on the beach - to bring you the Mystery of the Giant Eyeball.

It can be a wonderful feeling to give your tired eyes a good rub. And rubbing your eyes can help keep them moist, but it turns out it also can affect your heart rate.

Hank brings the answer into focus.

Way more kids have fuzzy vision these days because we spend less time in outdoor light, which makes our eyeballs longer.

While not the kind of epidemic you're used to hearing about, nearsightedness is becoming a major health issue in many places. Learn about how scientists are finding out the reasons behind the increase in myopia, and how sunlight might be...

If you’ve been brave enough to open your eyes underwater, you might have noticed that everything is blurry. But fish have no trouble finding their way beneath the waves. So why can’t we see as clearly below as we do above?

This week the FDA approves the first ever blood test for diagnosing concussions, and a group of scientists develop a neural network that could save you a trip to the eye doctor.

When trying to come up with a new idea, we all have times when we get stuck. But according to research by behavioral and learning scientist Marily Oppezzo, getting up and going for a walk might be all it takes to get your creative juices...

Howcast - Learn how to make a no-sew fleece blanket with designer Jennifer Wiese in this Howcast video, part 5 of a 6-part series.

Howcast - Learn how to draw a realistic eye from professional artist Kevin Kobasic in this illustration and drawing tips video from Howcast.

Howcast -Find out if lower eyelid surgery will remove under-eye bags permanently in this Howcast video featuring plastic surgeon Robert J. Morin, M.D..

Whether you want to make Halloween cupcakes that are cute or creepy, these decorating tips will do the trick for your treats.

What is it? ... It's an eyeball! <br<b<br/>r/>/>


Life processes - B<br<b<br/>r/>/>ody systems - The brain and body


A Twig Tidbit Film - Pixelate. A pixelated image unscrambles. The children have to guess what it is.

Looking for a way to stay safe from all the ghosts and goblins this Halloween? Check out this spooky project from Jessie!
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In this crafty tutorial, Jessie shows you how to make a Halloween Eyeball

Popper. 👀
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