Glass is made of sand, which is a kind of rock. But glass is transparent, and rocks aren’t transparent. What’s up with that? Why is glass clear? And why can I sit on a chair? And why can we touch anything? Today we zoom down to the weird...

The little fish Danio rerio holds secrets to understanding how vertebrates develop, how diseases like cancer work, and how we might one day learn how to regenerate human heart tissue.

Hanging out in the trees of Central and South America are some frogs with pretty unusual coloration. Which is to say, parts of them have no color at all. Their bellies are completely see-through!

Did you know that the bottom of the ocean is home to some of the strangest creatures on Earth? Join Michael Aranda for a fascinating dive into the murky depths—you won't believe what's down there.

The little fish Danio rerio holds secrets to understanding how vertebrates develop, how diseases like cancer work, and how we might one day learn how to regenerate human heart tissue.

Infinitesimally small quantum dots can turn a window into a see-through solar panel!

NASA is really good at going to space, amongst other things, but did you know that part of their mission is to work also for the public good!? It's part of NASA's doctrine that they must release the patents on the stuff they work on,...

Many species of mantis shrimp rely on their incredible punching abilities to stun their prey. But it turns out they don’t have to be mature mantis shrimp to start getting their punch on. And baby Philippine mantis shrimp can punch nearly...

What exactly can we tell about an unknown substance by it's properties. We already know that a substance is matter that’s made of one kind of atom or molecule, and that has specific properties and that some substances are elements, which...

The way we rate national economies is all wrong, says rating agency reformer Annette Heuser. With mysterious and obscure methods, three private US-based credit rating agencies wield immense power over national economies across the globe,...

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...

You might have done it accidentally or intentionally but one thing is clear: Don't stare at the the sun! Hank Green explains why.

If you look through your glasses, binoculars or a window, you see the world on the other side. How is it that something so solid can be so invisible? Mark Miodownik melts the scientific secret behind amorphous solids.

The deep-sea dragonfish is a predator that lives deep in the Pacific Ocean. Like many other deep sea predators, it's got an oversized jaw and a bioluminescent appendage to attract prey, but it does have one weird (and strangely useful)...

Quick, think of three words to describe yourself. TIME'S UP! What did you think of? Chances are you thought of descriptive words that we call Properties. In this episode of Crash Course Kids, Sabrina talks about how properties help us...

Scientists have created beams of light that are slower than a car! Not only that, but with the literal flick of a switch, they can freeze that beam of light in place!

Ever wonder how your finger can magically control your smartphone screen? We explain in this episode of SciShow.

Hanging out in the trees of Central and South America are some frogs with pretty unusual coloration. Which is to say, parts of them have no color at all. Their bellies are completely see-through!

Learn about some materials that seem like they should belong in science fiction, but actually exist today!

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In this video, learn about VLAN Trunking Protocol (VTP) and how it simplifies VLAN management across switches.

This video tutorial provides a step-by-step guide on how to create interactive presentations using Google Slides. The instructor demonstrates how to turn objects or text into clickable links, allowing users to navigate between slides...

Thanks to new laws requiring salary ranges to be included in job postings, some workers will have more leverage with their employers... while others may have less.

Howcast - Learn how to control opacity and brightness when painting with acrylic paint from painter Linda Rhea in this Howcast video.

Howcast -Learn how to read the Magician tarot card from expert Ellen Goldberg, M.A. in this Howcast video.