Curated Video
Indus Valley Civilization: Crash Course World History
In which John Green teaches you about the Indus Valley Civilization, one of the largest of the ancient civilizations. John teaches you the who, how, when, where and why of the Indus Valley Civilization, and dispenses advice on how to be...
Crash Course
Endocrine System, part 2 - Hormone Cascades: Crash Course A&P
In the second half of our look at the endocrine system, Hank discusses chemical homeostasis and hormone cascades. Specifically, he looks at the hypothalamus-pituitary-thyroid axis, or HPT axis, and all the ways your body can suffer when...
Crash Course
Endocrine System, part 1 - Glands & Hormones: Crash Course A&P
Hank begins teaching you about your endocrine system by explaining how it uses glands to produce hormones. These hormones are either amino-acid based and water soluble, or steroidal and lipid-soluble, and may target many types of cells...
Crash Course
Crash Course Business - Soft Skills Preview
We've joined with Evelyn From the Internets to bring you the first half of our series on Business. This first series will have Evelyn sitting down and going through Soft Skills. She'll be talking about Trust, Resumes, Conflict...
SciShow Kids
Where Did the Moon Come From?
Do you love to look at a big, beautiful full moon in the night sky? So do Jessi and Squeaks! But how did the moon get up there? And what is it made of?
Crash Course
The Hero's Journey and the Monomyth: Crash Course World Mythology
Let's get Heroic with Mike Rugnetta. This week on Crash Course World Mythology, we're talking about the Hero's Journey and the Monomyth, as described by Joseph Campbell. Campbell's theories about the shared qualities of human story...
Crash Course
What Is Artificial Intelligence?
Artificial intelligence is everywhere and it's already making a huge impact on our lives. It's autocompleting texts on our cellphones, telling us which videos to watch on YouTube, beating us at video games, recognizing us in photos,...
Crash Course
Taking Notes: Crash Course Study Skills
The first step in honing your new study skills is to take better notes. This week Thomas will tell you everything you need to know to come to class prepared and find a note-taking system that will help you retain and review like a champ.
Crash Course
The Silk Road and Ancient Trade: Crash Course World History
The Silk Road and Ancient Trade: In which John Green teaches you about the so-called Silk Road, a network of trade routes where goods such as ivory, silver, iron, wine, and yes, silk were exchanged across the ancient world, from China to...
Crash Course
How to Avoid Burnout: Crash Course Business - Soft Skills
It's our final episode of Soft Skills where Evelyn talks about how to take care of yourself. If you don't take care of yourself, no one else will. So take all of these soft skills we've talked about and add this last little bit to make...
Crash Course
Copyright Basics: Crash Course Intellectual Property 2
This week, Stan Muller teaches you the basics of copyright in the United States. Copyright law is territorial, so we're going to cover the system we know the most about, and that's the US. Stan will talk about what kind of ideas can be...
Crash Course
Copyright, Exceptions, and Fair Use: Crash Course Intellectual Property
Stan Muller teaches you a few things about copyright enforcement, and talks about the exceptions to copyright enforcement. While there are several, the one you've probably heard of is Fair Use, and it's a pretty tricky one. We'll try to...
Crash Course
Mythical Caves and Gardens: Crash Course World Mythology
This week, Mike Rugnetta is teaching you about mythical gardens and caves, which appear in cultures all over the world. Caves and gardens can stand for different things, but in the two stories we're talking about today, they tie into the...
Crash Course
Humans and Nature and Creation: Crash Course World Mythology
In which Mike Rugnetta brings you the final installation of our unit on creation myths. This week, we're talking about human beings and their relationship to the natural world. It turns out foundational stories have a lot to teach us...
Crash Course
Creation from the Void: Crash Course World Mythology
Today on Crash Course Mythology we're starting in on creation stories. This week, we'll focus on the creation of the universe out of nothing, or Ex Nihlio creation. Basically, a god decides to make a universe out of nothing. We'll look...
Curated Video
Ancient Egypt: Crash Course World History
In which John covers the long, long history of ancient Egypt, including the Old, Middle and New Kingdoms, and even a couple of intermediate periods. Learn about mummies, pharaohs, pyramids and the Nile with John Green.
Crash Course
Disease! Crash Course World History 203
In which John Green teaches you about disease, and the effects that disease has had in human history. Disease has been with man since the beginning, and it has shaped the way humans operate in a lot of ways. John will teach you about the...
Crash Course
Eukaryopolis - The City of Animal Cells: Crash Course Biology
Hank tells us about the city of Eukaryopolis - the animal cell that is responsible for all the cool things that happen in our bodies.
Crash Course
Shakespeare's Sonnets: Crash Course Literature 304
This week, we're learning about sonnets, and English Literature's best-known purveyor of those fourteen-line paeans, William Shakespeare. We'll look at a few of Willy Shakes's biggest hits, including Sonnet 18, "Shall I compare thee to a...
Curated Video
The Renaissance: Was it a Thing? - Crash Course World History
In which John Green teaches you about the European Renaissance. European learning changed the world in the 15th and 16th century, but was it a cultural revolution, or an evolution? We'd argue that any cultural shift that occurs over a...
Crash Course
How and Why We Read: Crash Course English Literature
In which John Green kicks off the Crash Course Literature mini series with a reasonable set of questions. Why do we read? What's the point of reading critically. John will argue that reading is about effectively communicating with other...
Curated Video
Only In Thailand 13 - Homemade Cart Races
Homemade Cart Races:Racers in homemade wooden carts hurtle down a dirt track, covering 200 meters in less than a minute, demonstrating speed and craftsmanship.
Curated Video
NASA's Genesis Project: Salvaging Science from a Crash Landing
The video describes the aftermath of NASA's Genesis project, where a capsule containing particles from the solar wind crashed into the Utah desert. Despite the damage, scientists have managed to salvage some intact disks, providing...
Curated Video
Volvo's Linda: Investigating Car Accident Risks for Pregnant Women and Unborn Babies
Volvo has developed a pregnant digital crash test dummy named Linda to study the risks to both the fetus and the pregnant woman in car accidents. By understanding how pregnant women and their babies interact with safety systems during a...