Instructional Video3:43
SciShow Kids

Why Does Some Cheese Have Holes?

K - 5th
Cheese is a great snack! One of the best things about it is that there's so many different kinds: cheddar, mozzarella, provolone, gouda... the list goes on and on! But have you ever wondered why some cheeses, like Swiss, are full of...
Instructional Video11:07
Crash Course

Archdukes, Cynicism, and World War I Crash Course World History

12th - Higher Ed
In which John Green teaches you about the war that was supposed to end all wars. Instead, it solved nothing and set the stage for the world to be back at war just a couple of decades later. As an added bonus, World War I changed the way...
Instructional Video4:29
SciShow Kids

Let’s Make Oobleck!

K - 5th
Jessi's in the lab, mixing up something kind of strange: Oobleck! Come find out all about this goo that can be a solid and a liquid at the same time, and then learn how to make some for yourself!
Instructional Video4:44
SciShow Kids

Where Do Bananas Come From? Botany for Kids

K - 5th
Jessi and Squeaks are getting ready to make some delicious banana bread, but did you know that bananas aren't your typical fruit?
Instructional Video5:31
SciShow Kids

Meet the Redwoods: The World’s Tallest Trees

K - 5th
Jessi and Squeaks are thinking of visiting the redwoods, the tallest trees in the world, but there's lots for them to learn before they make their trip! First Grade Next Generation Science Standards Disciplinary Core Idea: LS1.A:...
Instructional Video2:49
SciShow Kids

Why Do We Burp?

K - 5th
Everybody does it! But why does it happen? Jessi gives you a look at your digestive system, to discover why we sometimes get a case of the burps.
Instructional Video2:36
SciShow Kids

Why Do We Have Saliva?

K - 5th
Mmmm! The smell of a batch of cookies straight out of the oven is enough to make your mouth water! But have you ever wondered why your mouth waters?! Jessi and Squeaks are here to tell you all about saliva and the many ways it helps you...
Instructional Video4:46
SciShow Kids

How Glaciers Change the World!

K - 5th
It's freezing outside and cold weather makes Jessi think of glaciers!
Instructional Video3:39
SciShow

Your Brain is Plastic

12th - Higher Ed
Hank explains the gift that your brain gives you every day: the gift of neural plasticity -- the ways in which your brain actually changes at the cellular level as you learn.
Instructional Video8:11
Crash Course

How To Become An Engineer: Crash Course Engineering #45

12th - Higher Ed
Hopefully this course has gotten you excited about all the things we can do with engineering. If so, today we’re going to try to help you answer a very important question: how do you become an engineer? What are the steps? What kinds of...
Instructional Video5:23
SciShow Kids

How to Make a Paper Snowflake! Project for Kids

K - 5th
Join Jessi, Squeaks, and a special guest to celebrate the seasons changing by making paper snowflakes!
Instructional Video2:47
SciShow Kids

Make Your Own Well! Science Project for Kids

K - 5th
Jessi and Squeaks have talked about how wells move water from one place to another before; now they're going to show you how to build your very own so you can see for yourself!
Instructional Video2:59
SciShow Kids

Meet Your Tonsils!

K - 5th
Has your doctor ever asked you to stick out your tongue and say "ah"? They're probably checking out your tonsils! But what are your tonsils, and what do they do?
Instructional Video4:42
SciShow Kids

Build the Best Solar Oven Ever! | Engineering Project

K - 5th
Mister Brown and Squeaks decide to design a solar oven, so they can cook their lunch while they play outside!
Instructional Video11:18
Crash Course

Samurai, Daimyo, Matthew Perry, and Nationalism Crash Course World History

12th - Higher Ed
In which John Green teaches you about Nationalism. Nationalism was everywhere in the 19th century, as people all over the world carved new nation-states out of old empires. Nationalist leaders changed the way people thought of themselves...
Instructional Video5:22
SciShow Kids

The Very First Living Thing! | The History of Life! | SciShow Kids

K - 5th
Squeaks built a pretend time machine, and he and Mister Brown use their imaginations to travel back in time to learn all about the very first living thing! Second Grade Next Generation Science Standards Disciplinary Core Ideas: LS4.D:...
Instructional Video12:46
Crash Course

Thomas Jefferson & His Democracy Crash Course US History

12th - Higher Ed
In which John Green teaches you about founding father and third president of the United States, Thomas Jefferson. Jefferson is a somewhat controversial figure in American history, largely because he, like pretty much all humans, was a...
Instructional Video3:43
SciShow Kids

How High Can You Stack? Engineering for Kids

K - 5th
Jessi and Squeaks love to build things, and they love to learn how to make the things they build even better! Join them today to learn how engineering can help make anything, from a tower of cups to a giant sky scraper, more stable!
Instructional Video3:13
SciShow Kids

How Far Can You Jump?

K - 5th
This video is brought to you by the Child and Teen Checkups program of the Minnesota Department of Health.
Instructional Video2:52
SciShow Kids

What Is the Milky Way?

K - 5th
Jessi and Squeaks explore our home galaxy, The Milky Way!
Instructional Video3:16
SciShow Kids

What Are Clouds Made Of?

K - 5th
Clouds can look like castles made of cotton candy, or they can be thin and wispy. But have you ever wondered what clouds actually are?
Instructional Video11:18
Crash Course

Machine Learning & Artificial Intelligence: Crash Course Computer Science

12th - Higher Ed
So we've talked a lot in this series about how computers fetch and display data, but how do they make decisions on this data? From spam filters and self-driving cars, to cutting edge medical diagnosis and real-time language translation,...
Instructional Video5:10
SciShow Kids

The Biggest Flower in the World!

K - 5th
Squeaks wants to know more about the biggest flower in the world! So Mister Brown teaches him all about this stinky, weird plant - called Rafflesia arnoldii! Disciplinary Core Idea: LS2.A: Interdependent Relationships in Ecosystems -...
Instructional Video3:03
SciShow Kids

Odd Facts About Sloths

K - 5th
Sloths might be slow and spend much of their time sleeping, but they’re definitely not boring. Jessi shares three weird facts about sloths!