Where does water come from? If you turn on the faucet, there's water. But it goes on an incredible journey to get there. Today, Jessi and Squeaks learn about all the places we can find water.

Jessi and Sam the Bat talk about the biggest volcano ever that we know of. And it's not on Earth. It's Olympus Mons, on the planet Mars!

A new friend Savannah and Sam learn about different kinds of igneous rocks, which form after liquid magma or lava cools into solid rock.

Squeaks is heading on a trip around the world! He's going to experience so many things, using senses he didn't even know he (or his human friend Jessi) has! In this episode, he learns about senses beyond the common 5 (sight, hearing,...

Jessi and Sam learn about sedimentary rocks and show how you can use vinegar to identify a piece of limestone.

Jessi and Sam the Bat learn about every kind of volcano. Some erupt suddenly and some erupt slowly. Some are tall, some aren't big mountains at all, and some stopped erupting a long time ago. But they're all volcanoes!

What if you could just drop your kids off at someone else’s place and let them have the responsibility? Well, there are some animals that do just that. They’re called brood parasites, and they lay their eggs in other animals’ nests and...

A meteor shower happens when rocks from space burn up in the atmosphere and make a beautiful light show! Lately, though, Squeaks has been wondering what would happen if one of those space rocks made it through the atmosphere to the...

The blobfish has been called "The World's Ugliest Animal", but it's actually really cool. Find out why it's shaped the way it is with Jessi and Squeaks.

Today is exciting, because Jessi and Squeaks are making parachutes! Tag along to learn how you can make your own, and what forces are being used to make your parachute work!

When people run around on a hot summer day, their sweat can help them cool off! But dogs can't sweat, and they have big, furry coats! So what can they do to stay cool?!

Animals use all kinds of tricks and adaptations to keep themselves safe from predators, but armadillos stand out for a really special reason: they have their own, built-in suit of armor!

There's a lot more to Saturn's rings than just looking awesome! Find out why!

Have you ever wondered if aliens exist? You're not alone! Learn about what alien life needs to survive in the universe!

Jessi and Squeaks show you how to make a pinhole viewer so you can safely watch the solar eclipse!

Have you ever looked up at night and seen a streak of light flash across the sky? Some people call that a "shooting star," but it's not actually a star at all! Join Jessi and Squeaks to learn what shooting stars really are and how they...

Ouch! Getting a splinter can really hurt, and sometimes having a splinter pulled out can hurt even worse! Jessi's here to tell you why it's important to get your splinters removed, and some tips to make it easier!

Jessi and Squeaks learn some amazing turkey facts, from the sounds they make to what their poop looks like!

Have you ever noticed that your fingers and toes are all wrinkly and funny looking after you spend a lot of time in the water? Well, Jessi wants to know why that happens! Join her to find out the answer!

Squeaks is worried because Jessi is crying, but it's not because she is sad. She's cutting onions!

Have you ever wanted to make a painting but you've run out of paint? Learn how you can make your own watercolors with Jessi and Squeaks!

Do you know anyone with freckles? Maybe you have freckles yourself! Jessi has them, and she's been wondering what they are, where they come from, and why some people have them and some people don't!

SciShow is Moving to Patreon

There's an Eclipse coming on August 21st, and Jessi and Squeaks are PUMPED! Today, they'll show you where in the world you'll be able to see the eclipse, what happens during an eclipse, and tell you how you can watch the eclipse safely!