You might know that spicy food can make your mouth feel like it's on fire, but how does it do that?

Hair can be so many different colors, but why do so many adults have gray hair?

Learn all about the anglerfish! A creepy-looking, deep-sea-dwelling creature that glows!

Jessi is about to go to the doctor's to get a vaccine and she's sort of nervous. But she knows that vaccines are really important, so she learned all about how they help us stay healthy! Now she wants to share what she learned with you!

You may think oysters taste kind of gross, but did you know that some of them hide rare gemstones?

Squeaks has a doctor's appointment coming up and he's a little nervous, so Jessi asked her friend Dr. Arron Carroll to come over and talk about what happens when you visit the doctor!

Did you know that there were over 200 types of cows? Join Jessi and Squeaks as they discuss some cool facts about these amazing animals.

Blowing bubbles can be really fun, but they're also a great way to learn some science!

Learn about the three ocean zones with our ocean experts, Dr. Irene Stanella and her lab assistants Wyatt and Ned!

Here at SciShow Kids we're gearing up for the spookiest time of year! And today, we're going to learn all about ravens! Ravens may give you the creepy crawlies, but they have some awesome skills and behaviors that make them very clever...

Who-who-who is quick, adorable and one of the best hunters in the whole bird family? Join Jessi and Squeaks to learn some amazing facts about owls!

Have you ever put your finger in your ear and wondered what that waxy stuff is? Join Jessi and Squeaks as they talk about ear wax!

Join Squeaks for one of his favorite episodes all about RATS! You'll get to play a few rounds of true or false to learn some interesting facts about these furry creatures!

One of Jessi and Squeak's favorite things to do on a nice day is to go to the park and fly their homemade kites! Today, Jessi will show you how to build your own kite and tell you how a little wind can send it soaring through the air!

Have you ever wondered why, some nights, the moon looks like a big, bright circle, and some nights it looks like a little sliver? Join Jessi and Squeaks to learn about how the moon's orbit changes the way we see it here on Earth!

Have you ever thought about what's beyond our solar system? Think real big, because we're about to explore galaxies!

Jessi and Squeaks love watching clouds and birds fly way up in the sky! But why is the sky blue?

Jessi and Squeaks love to race each other! They can both run pretty fast, but there's one animal they'd never be able to beat: the cheetah! Join us to learn all about this super speedy cat!

Hank demonstrates how to build a hybrid rocket engine in your kitchen!

Roasting marshmallows over a fire is a lot of fun, but did you know that, in nature, fire keeps our forests clean and healthy and even helps some plants grow?

Hiccups can be really annoying and hard to get rid of, but do you know why they happen? Find out the answer and learn more about how your lungs work at the same time on today's SciShow Kids!

Jessi and Squeaks talk about some surprise visitors that came to check out their picnic: Ants!

What's better than slipping and sliding in your backyard on a hot summer day? It's so much fun! But, how does this fun happen? It has a little something to do with friction!

From skydiving to recess, parachutes are used for fun and safety. So how do parachutes work to slow down people in the sky, or make a fun bubble to play in? Join Squeaks and Jessi as they show you how forces allow parachutes to do their...