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Crash Course

@thecrashcourse.bsky.social

2.4K followers 12 following 187 posts

At Crash Course, we believe that high-quality educational videos should be available to everyone for free!

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Crash Course @thecrashcourse.bsky.social · 06/10/2026

Where do campaigns get all their money, and where does it go? In this episode of Big Questions on US Government, we’ll dig into the limits of campaign financing and the rising influence of super PACs, dark money, and independent spending. youtu.be/Y22FuMI7vXI

Where Does Campaign Money Really Come From?: Crash Course US Government #3

YouTube video by CrashCourse

Crash Course @thecrashcourse.bsky.social · 01/10/2026

How worried should we be about giant asteroid impacts? In this episode of Crash Course Geology, we’ll learn how to tell an asteroid from a meteorite, what happens when space rocks approach the Earth, and how scientists track potential threats before they reach us. youtu.be/0GGPe_Oum6c

Can We Prevent an Asteroid Impact: Crash Course Geology #20

YouTube video by CrashCourse

Crash Course @thecrashcourse.bsky.social · 29/09/2026

Does the U.S. need a competitive third party? Would anyone even vote for one? In this episode we’ll investigate why it feels like the U.S. is trapped in a two-party system. The answer comes down to two things – our systems and ourselves. youtu.be/HT8ikFog_pQ

Why Does the US Only Have Two Major Parties?: Crash Course US Government #2

YouTube video by CrashCourse

Crash Course @thecrashcourse.bsky.social · 24/09/2026

What can gouge out lakes, carve through mountains, and make weird marks in the ground that look exactly like yeti claws? Well, not a yeti, probably. In this episode, we’ll learn about glaciers, the huge frozen beasts that have shaped our world – and might soon be leaving it. youtu.be/OgYSITk0fSM

How Fast Can a Glacier Move: Crash Course Geology #19

YouTube video by CrashCourse

Crash Course @thecrashcourse.bsky.social · 22/09/2026

How did U.S. politics get so divisive? In the first episode of Big Questions: U.S. Government and Politics, we’ll pull back the curtain on how Republican and Democrat became synonymous with “conservative” & “liberal,” and why politics today has gotten so polarized and personal. youtu.be/dsGoS_M7AW8

Why Are US Politics Today So Divisive?: Crash Course US Government #1

YouTube video by CrashCourse

Crash Course @thecrashcourse.bsky.social · 15/09/2026

Welcome to Crash Course Big Questions on U.S Government! In this series, we’ll be exploring big questions and misconceptions about how our government operates, from partisan divisions and Congressional gridlock to stolen elections and the limits of presidential power. youtu.be/KibgDxh68I8

Crash Course Big Questions on U.S. Government Preview

YouTube video by CrashCourse

Reposted by Crash Course

Jeff Wachter @jeffwachter.bsky.social · 05/09/2026

Got my @thecrashcourse.bsky.social display set up with my 2022-2026 coins. "Knowledge weighs nothing, carry all you can."

Display case for Crash Course coins. Black display stand, brown shelf, black circular display with 5 coins inside. The border says "Knowledge weighs nothing, carry all you can."

Crash Course @thecrashcourse.bsky.social · 04/09/2026

We're getting ready for our newest series, Crash Course Big Questions on U.S. Government and Politics. And we want to know: what are your biggest questions about U.S. government? Let us know in the comments!

Crash Course @thecrashcourse.bsky.social · 03/09/2026

In this week's Geology episode we’ll look back into geologic time, discovering what we know, how we know it, and what it all means youtu.be/mIIJd66Ycr8

How old is the Earth?: Crash Course Geology #17

YouTube video by CrashCourse

Crash Course @thecrashcourse.bsky.social · 01/09/2026

Join us and host Kousha Navidar on September 15 for the series preview on the Crash Course YouTube channel!

Crash Course @thecrashcourse.bsky.social · 01/09/2026

Crash Course Big Questions on U.S. Government will build on our legacy series by offering expert answers to your biggest questions. We're not covering the basics, but instead digging into the stuff that's relevant right now and how the system is actually functioning.

Crash Course @thecrashcourse.bsky.social · 01/09/2026

Even when you know the basics, keeping up with how our government really works can feel chaotic & unpredictable. Terms like gerrymandering, polarization, gridlock, & government shutdowns pop up constantly. But what do terms like these really mean? And how does the American government really work?

Crash Course @thecrashcourse.bsky.social · 24/08/2026

What is the point of writing? In a world where AI can spit out that email, why should you? Our friends at @gostudyhall.bsky.social have a new series to help you answer that question and give you some tools for writing more effectively– with clarity, creativity, and confidence. youtu.be/HtlZuHeAv8g

Why You Should Write

YouTube video by Study Hall

Crash Course @thecrashcourse.bsky.social · 20/08/2026

How did over 1 billion years of history go missing? In this episode of Crash Course Geology we’ll tour the Grand Canyon & discover how geologists read its rocky layers like chapters in Earth’s biography. We’ll also explore theories about why some of those chapters have vanished youtu.be/ZLc9udbCaeI

The Mystery Behind Earth’s Missing Rocks: Crash Course Geology #16

YouTube video by CrashCourse

Reposted by Crash Course

Gretchen McCulloch @gretchenmcculloch.com · 17/08/2026

If you're wishing you could go back to school for linguistics, here's your annual reminder that Crash Course Linguistics @thecrashcourse.bsky.social exists! I worked on it with linguists @superlinguo.bsky.social and @jessgrieser.com, host Taylor Behnke, @complexly.org and @thoughtcafe.bsky.social!

What is Linguistics?: Crash Course Linguistics #1

YouTube video by CrashCourse

Crash Course @thecrashcourse.bsky.social · 13/08/2026

Earthquakes are an unfortunate part of life on a planet with tectonic plates. And while they can be dangerous, we can also be prepared for them. In this episode of Crash Course Geology, we dive deep into earthquake preparedness to help you know what to do when the Big One hits. youtu.be/xYKSKBcifaE

Is it Possible to Prepare for an Earthquake?: Crash Course Geology #15

YouTube video by CrashCourse

Crash Course @thecrashcourse.bsky.social · 12/08/2026

And vote for the panel proposed by our friends at @scishow.bsky.social: complexly.info/factsalone

Crash Course @thecrashcourse.bsky.social · 12/08/2026

South By Southwest Edu is a place for educational creators to collaborate with and learn from each other. We want to return in 2027 and host panels to share our knowledge and experience. Your votes help get our panels on the schedule! Vote here by 8/23: complexly.info/sensitivetop...

Crash Course @thecrashcourse.bsky.social · 11/08/2026

This modular program can be used with any class subject to make an awesome project while learning how to research, write, edit, and produce a Crash Course-style video. Check it out at thecrashcourse.com/creator-lab/ and tell the educators in your life!

Crash Course @thecrashcourse.bsky.social · 11/08/2026

Have you ever wanted to make your own Crash Course video? Now you can! We're excited to launch the Crash Course Creator Lab: a free, customizable project plan with hands-on activities that develop skills in creative storytelling and media literacy.

Crash Course @thecrashcourse.bsky.social · 27/07/2026

Whether you're studying biology, physics, or psychology, understanding science starts with knowing how scientists ask questions, test ideas, and build knowledge. Get a Science Tune-Up with @gostudyhall.bsky.social and master the fundamentals of every scientific field! youtu.be/iKvXyrbqHQw

What Counts As Science?

YouTube video by Study Hall

Crash Course @thecrashcourse.bsky.social · 23/07/2026

From Krakatoa to Pompeii to Mount Saint Helens, volcanoes can do some major damage. But they’re not just killing machines! In this week's video we’ll explore one of geology’s hottest creations — how they work, where they come from, and just how dangerous they really are. youtu.be/BMZbbewOLvU

Volcanoes Explained: Crash Course Geology #13

YouTube video by CrashCourse

Crash Course @thecrashcourse.bsky.social · 09/07/2026

In this week’s episode of Crash Course Geology we investigate how some of the coolest geological forces around make mountains, faults, and may even one day turn Africa into a series of islands! youtu.be/r8uQVRVNV14

How Do Mountains Form?: Crash Course Geology #11

YouTube video by CrashCourse

Crash Course @thecrashcourse.bsky.social · 07/07/2026

One of the biggest misconceptions about learning is that it’s something that happens to you at the hands of the right teacher or book or video. If you want to know how learning actually works check out @gostudyhall.bsky.social 's new series "Learning to Learn!" www.youtube.com/watch?v=tsaQ...

How Does Motivation Actually Work?

YouTube video by Study Hall

Crash Course @thecrashcourse.bsky.social · 25/06/2026

A long, long time ago, Earth was home to one giant super continent. So, what happened? In this episode of Crash Course Geology, we’ll break down plate tectonics and how it shapes Earth’s past, present, and future. youtu.be/krXXSCb_P9Y

What is Plate Tectonics: Crash Course Geology #10

YouTube video by CrashCourse

Reposted by Crash Course

Study Hall @gostudyhall.bsky.social · 17/06/2026

This channel is all about learning, but what does it mean to "learn"? How do we know when we’ve learned something? What even counts as learning? Introducing Study Hall: Learning to Learn, where we talk about what it means to learn and how to do it well. youtu.be/w78cV8-Juwo

How to Learn Anything

YouTube video by Study Hall

Crash Course @thecrashcourse.bsky.social · 11/06/2026

Diamonds are a girl’s best friend. But they’re so much more than that. They’re sources of power, wealth, and conflict. They’re tickets into Earth’s deep, ancient past. Learn more about where these strange gems come from, and the hold they’ve had over us for thousands of years. youtu.be/AF2eYuAKsao

Myths About Diamonds: Crash Course Geology #8

YouTube video by CrashCourse

Crash Course @thecrashcourse.bsky.social · 10/06/2026

College is expensive. Time-consuming. Stressful. So, what are we supposed to get out of it? In @gostudyhall.bsky.social latest video they trace the history of college and examine what it's meant to do for students, and whether it's still worth it today. youtu.be/NLy2km2aKwM

What’s the Point of College?

YouTube video by Study Hall

Crash Course @thecrashcourse.bsky.social · 04/06/2026

For most of human history, one thing has been true – we LOVE shiny things. Gems are the crown jewels (pun intended) of geology, but what are they? Where do they come from? And are they actually that special? youtu.be/eKnl_Jp8jsg

How Do Gems Form?: Crash Course Geology #7

YouTube video by CrashCourse

Crash Course @thecrashcourse.bsky.social · 01/06/2026

Missed the campaign? You can make a tax-deductible donation any time at complexly.org/support.

Support Complexly

When you support Complexly, you support our mission to cultivate curiosity and build knowledge in more people, more ways, in more places.

Crash Course @thecrashcourse.bsky.social · 01/06/2026

Whether you donated to this year’s Coin campaign, joined our Patreon, or told a friend about Crash Course -- THANK YOU! We’re looking forward to another inspiring year of learning in our current & upcoming series: Geology, Big Questions on U.S. Government, English Language Arts & Marine Biology.

Crash Course @thecrashcourse.bsky.social · 29/05/2026

THIS IS YOUR LAST CHANCE! Crash Course only exists because folks like you have chosen to help hundreds of thousands of learners across the globe access our educational resources. Make your tax-deductible donation before 11:59 tonight: complexly.info/CCcoin26-22

Crash Course @thecrashcourse.bsky.social · 28/05/2026

If you want to help us continue reaching people all over the world with accessible education, the 2026 Crash Course Coin is available now only through May 29! complexly.info/CCcoin26-22

The 2026 Crash Course Coin

At Crash Course, we believe that high-quality educational videos should be available to everyone for free!

Crash Course @thecrashcourse.bsky.social · 28/05/2026

We're not really playing the algorithm game. We're choosing to teach what needs to be taught. And still, Crash Course was viewed 143 million times last year! That's millions of educators, students, and lifelong learners who had access to completely free, high-quality educational resources.

Reposted by Crash Course

Hank Green @hankgreen.bsky.social · 21/05/2026

Hello. The moment you gate educational videos behind a paywall, a massive wall of bureaucracy goes up. Teachers have to beg administrators for budgets, companies have to wine-and-dine school boards, millions of students get locked out, and people get forced into using material they don't like.

Crash Course @thecrashcourse.bsky.social · 21/05/2026

Thank you for the kind words and the support! 🥰

000

Reposted by Crash Course

Complexly @complexly.org · 20/05/2026

Crash Course is only possible because of you. You are the reason we can keep making high-quality educational materials that support learners where they are. If you want to, and are able to purchase a Crash Course Coin, they are available until May 29! crashcoursecoin.com/CCcoin26-26

Reposted by Crash Course

John Green @johngreensbluesky.bsky.social · 19/05/2026

The Crash Course Coin is here. Support nonprofit educational media that reaches millions of learners every year. ONLY AVAILABLE FOR THE NEXT TWO WEEKS! crashcoursecoin.com?utm_campaign

crashcoursecoin.com

The 2026 Crash Course Coin

At Crash Course, we believe that high-quality educational videos should be available to everyone for free!

Crash Course @thecrashcourse.bsky.social · 19/05/2026

🪙New this year by popular demand: the 200,000 learner coin! At 1.525" in diameter, the size of the coin reflects the impact of your donation -- BIG! There are only 20 of these bronze coins available, and they will be numbered and come with a signed thank you note!

Crash Course @thecrashcourse.bsky.social · 19/05/2026

🪙There are only 100 of our 100,000 learner coins available! These beautiful titanium coins are $5,000, numbered, and come with a signed thank you note.

Crash Course @thecrashcourse.bsky.social · 19/05/2026

🪙The brass coin is $500 and helps us reach 10,000 learners 🪙The 20,000 learner coin is $1,000, made of colored titanium, and hand stamped with unique numbers. These will come with a thank you note signed by Hank and John Green!

Crash Course @thecrashcourse.bsky.social · 19/05/2026

Each coin that people like you purchase helps us reach thousands of learners with high quality educational material. 🪙The copper coin is $100 and helps us reach 2,000 learners

Crash Course @thecrashcourse.bsky.social · 19/05/2026

In an increasingly overwhelming information landscape, our 2026 coin design is inspired by our commitment to being signal in the noise. The soundwave represents our commitment to offering clarity, context, and meaning. (And fun fact: it's the soundwave for the words “knowledge weighs nothing,”)

Crash Course @thecrashcourse.bsky.social · 19/05/2026

Make some noise for the 2026 Crash Course Coins! You can get yours now at crashcoursecoin.com.

crashcoursecoin.com

The 2026 Crash Course Coin

At Crash Course, we believe that high-quality educational videos should be available to everyone for free!

Crash Course @thecrashcourse.bsky.social · 18/05/2026

❔What does my donation do? We're choosing to teach what needs to be taught, not what makes the algorithm happy. But it’s expensive to make high quality educational material. And not playing the algorithm game comes at a cost. That’s why we need you!

Crash Course @thecrashcourse.bsky.social · 18/05/2026

❔What is the Crash Course Coin? 40% of our funding comes from our audience: people like you who want Crash Course to stay free for everyone forever. The Crash Course Coin is how that happens. ❔Is it an NFT? No! The Crash Course Coin a real physical object that you can hold and display.

Crash Course @thecrashcourse.bsky.social · 18/05/2026

Starting tomorrow and only through May 29, get your 2026 Crash Course Coin and help us continue lowering barriers to education. Curious about the Crash Course Coin? Read on!

Crash Course @thecrashcourse.bsky.social · 14/05/2026

Minerals are amazing and they’re all around us, in the food we eat and even in our very bones. But what actually is a mineral? In this episode, we’ll learn the basics of mineral identification and uncover the surprising connections between minerals and life itself. youtu.be/jQvv7CskMuo

How Do Minerals Form?: Crash Course Geology #5

YouTube video by CrashCourse

Crash Course @thecrashcourse.bsky.social · 07/05/2026

The crust and the mantle are cool, but Earth’s real hero is its core, which helps protect us from all kinds of stuff. This week we’re taking a journey to the center of the Earth to meet our hero. youtu.be/rm46SdVfB4I

What’s at the center of the earth?: Crash Course Geology #4

YouTube video by CrashCourse