In which John Green teaches about filthy, filthy lucre. Money. And Debt. So, what is money? And what is it for? And why do we use money? And why does it all disappear so quickly after payday? John will look into 75% of these questions,...

Did you know we can actually make diamonds in a lab? It's true! We can! And this is both really good and really cool. In this episode of Crash Course Kids, Sabrina shows us how materials scientists have done just that and why it's so...

In a small town in the French Alps, a lot of people started to get the neurodegenerative disease ALS. Could the culprit be mushrooms?

Most cultures who developed metalworking technology never let the skill go to waste. But in what's now Michigan, Native Americans started making metal tools well before anyone else did, and then stopped. And the reason why this happened...

If you've got a uterus, you've probably heard of menopause. But there's a lot that doesn't get talked about when it comes to this period, or lack thereof. This video is going to break down the real deal with menopause and give you...

Bill and Webb want to know: What's stronger, wind or water? Both of them can change the shape of the land. So which one does it better?

Squeaks is back from his trip around the world! In this episode, he and Jessi discuss the final stop on his trip: Vatnajökull National Park in Iceland.

Reading books can be fun, but there’s so much more to discover beneath the surface. In this episode of Crash Course Kids Literature, we’ll use our background knowledge and story evidence to make inferences about E.B. White’s novel,...

In this video Paul Andersen shows you how to analyze and interpret data in a mini-lesson on quantitative analysis. Two examples are included in the video and two additional examples are included in the linked thinking slides. <br/>

In this video Paul Andersen shows you how to analyze and interpret data in a mini-lesson on statistical analysis. Two examples are included in the video and two additional examples are included in the linked thinking slides. <br/>

In this video Paul Andersen shows you how to INSERTPRACTICE in a mini-lesson on INSERTTITLEHERE. Two examples are included in the video and two additional examples are included in the linked thinking slides. <br/>

What if every dollar you spend today could save you 10 dollars tomorrow? Development expert Harjeet Singh reveals how climate solutions like floating farms and “sponge cities” that absorb floodwater aren’t just clever adaptations —...

How did a small, economically vulnerable country become a trailblazer in sustainable industry? Clean economy builder James Mnyupe explores how Namibia is teaming up with partners from around the world to turn sun, wind and water into...

Your smartphone, computer and electric car all depend on one thing — critical minerals buried deep underground. But there’s a catch: the mining industry has gotten dramatically worse at discovering new deposits just when we need them...

How does a city change when its art doesn’t hang on museum walls but instead roams the streets? Artist Frédette Lampre of the production company La Machine shares how their towering, handcrafted mechanical creations transform urban...

Whether it’s micromanaging playtime, constantly hovering or incessantly texting, the adult takeover of childhood has created a crisis of anxiety in both children and parents, says Lenore Skenazy, cofounder and president Let Grow, an...

It’s not enough to do important work — we need to know it truly matters, says journalist Jennifer Wallace. Drawing on her research into firefighters, caregivers and more, she shows how simple acts of acknowledgment and connection can...

In this video Paul Andersen describes the pros and cons of industrial agriculture including: monocropping, irrigation, and the use of pesticides, fertilizers, and GMOs.

Spiders and their ancestors have been driving an arms race that began before either stepped foot onto land and resulted in the first powered flight on Earth. But how did this competition of webs versus wings drive such a massive...

Our appetite for meat is one of the greatest environmental challenges we face. Join me on a mind-blowing visit to UPSIDE Foods, the world's most advanced cultivated meat production facility, as we ask whether cultivated meat can deliver...

Predictive analytics uses math and historical data to make predictions about the future. It’s used in commerce, sports, politics, social media and tons of other places. And as it turns out, people have been using math to predict people’s...

Did you know some people 'see' letters in color or 'taste' music? In this video, we’ll talk about synesthesia, how it works in the brain, and why some people experience these fascinating sensory connections while most of us don’t.

Plants eat sunlight and air to make life. But the key enzyme behind it all, called RuBisCO, isn’t actually all that great at its job. Let’s talk about how photosynthesis really works, why oxygen isn’t coming from where you think, and...

Today, a lot of us walk about in leather, cotton, or other boring fabrics. But researchers are working to make the future way cooler, with flame retardant seaweed fabrics, self-healing sea silk, and polar bear inspired de-icing...