What's happening inside our ears when we can hear that ringing? What's happening inside our brains? Sit back, clean the wax out of your ears, and let Michael Aranda explain!

It's snowing and Mister Brown needs to go put some salt on the Fort's front steps. But Squeaks wants to know, why do we put salt on icy sidewalks?



Second Grade Next Generation Science...

Dolphins aren't just smiley and cute! Jessi gives you 5 reasons why dolphins are awesome in this episode of SciShow Kids.

We’ve all experienced it, that annoying pressure in our head when we’re flying in a plane or a storm front comes in, then it pops! Find out how this popping happens and things to avoid so you don’t harm your ears.

After a concert, you find it difficult to hear your friend rave about the show. It sounds like they're speaking from across the room, and it's tough to make out their voice over the ringing in your ears. But, by the next morning, the...

Birds can communicate with each other in lots of ways, but some types of birds can learn human words! But just because they learn human words, does that mean that they can understand them?

Humans make a lot of noise! Transportation, industries, & how we work and play in natural spaces all have an impact on the sound we put out every day, and all this noise pollution is disrupting how animals use sound to communicate.

Asteroid mining sounds like something out of a bad space movie, but harvesting materials from space rocks might be our ticket to building space colonies or living on Mars.

Squeaks and Mister Brown learn all about echolocation, and how animals use it to sense things! First Grade Next Generation Science Standards Crosscutting Concept: Structure and Function: The way an object is shaped or structured...

We learn a lot about our surroundings thanks to sound. But... what is it exactly? Sound, that is. What is sound? And how does it travel? And what is this Doppler Effect that we've heard so much about? In this episode of Crash Course...

Animals like bats and dolphins navigate the world using echolocation, but there’s also another animal capable of such a feat: humans.

If we want to build a place for us to live, or to hang out, or do eat dinner with our friends, we're going to need a special kind of engineering called architecture. In this episode of Crash Course Kids, Sabrina gets us to help her build...

We've all experienced thunder, but what ARE all those claps, booms, and rumbles?

Y’know lots of people say you shouldn’t use, like...filler words, but uh, should you really like, stop using them?

You are probably aware of the fact that elephants make trumpeting noises - but did you know that most of their communication is so low pitched that humans can’t even hear it?

How do you define adulthood? It's a difficult question because that delicate brain of yours stays squishy well after you start paying your own rent.

In this collection of classic MinuteEarth videos, we learn more about the planet’s two favorite pets.

You may have heard that using baby talk is bad for children’s language development, but research seems to show the exact opposite.

Spit is critical for our health. Actually.

In this video Paul Andersen explains how diffraction can be affected by the size of the wavelength. When waves pass through an opening or move around an obstacle a shadow region is created. The size of the shadow zone will decrease as...

While some people may hear noise, some hear amazing musical genius in the creativity of Dubstep. There is a long history of avant garde musicians and thinkers promoting the concept of noise and non-instrumental sounds as music, much to...

In which John Green examines JD Salinger's novel The Catcher in the Rye. John pulls out the old school literary criticism by examining the text itself rather than paying attention to the biographical or historical context of the novel...

The sounds we hear every day really do have effects on our health. Not just our ears, but our hearts and even our brains.

If gigantic googly eyes make you want to run away, it’s because you are responding to a supernormal stimulus. But what is it, and why our brain responds to it?