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CrashCourse

@TheCrashCourse

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We make free, high-quality educational videos used by students, teachers, and learners of all kinds.

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Joined October 2011
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@TheCrashCourse
CrashCourse
5 days
Save the date for a special livestream with the Crash Course team! During the Complexly Learn-a-thon we're celebrating our mission of making trustworthy stuff that lowers barriers to knowledge-building, and sharing glimpses behind the scenes. #learnathon2024
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@TheCrashCourse
CrashCourse
1 year
Meet the host of Crash Course Botany! Alexis Nikole Nelson @blackforager is an outdoor educator, teaching her followers how to interact with their surroundings through foraging. 🌱Find out just how exciting plants are with Crash Course Botany!
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@TheCrashCourse
CrashCourse
3 years
Welcome to Crash Course Black American History, hosted by @ClintSmithIII . In this series we'll learn about the experience of Black people in America, from the arrival of the first enslaved Black people at Jamestown, to the Black Lives Matter movement.
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@TheCrashCourse
CrashCourse
3 years
Crash Course is 10 years old today! 🎂 Our first video was posted on January 26th, 2012. A lot has changed since then... We've created 40+ courses, and our community now has over 13 million subscribers! THANK YOU for watching, learning, and making the past 10 years possible. ❤️
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@TheCrashCourse
CrashCourse
5 years
We just hit 10 million subscribers! Thank you to all TEN MILLION of you for being part of this with us!! 🎉🥳🎊
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@TheCrashCourse
CrashCourse
6 months
Coming soon: Crash Course Tuberculosis. In this long-form deep-dive, host @johngreen will teach us about tuberculosis from a historical, cultural, and scientific perspective.
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@TheCrashCourse
CrashCourse
4 years
Hello #AcademicTwitter ! If any professors need supplemental material for online teaching, we’re an educational YouTube channel with 10+ million subscribers and 30+ different courses, from Biology to Economics. #CovidCampus #OnlineLearning #RemoteCampus
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@TheCrashCourse
CrashCourse
5 months
Meet the host of Crash Course Art History: Sarah Urist Green. Sarah is a curator & art educator who's spent her career seeking ways to make learning about art more accessible, less pretentious & relevant to life today. She also makes videos as @artassignment .
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@TheCrashCourse
CrashCourse
6 years
Crash Course just hit 1 BILLION views!! Our Valentine's Day love goes to all of you who helped us get there ❤️ #AcademicValentine #ValentinesDay
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@TheCrashCourse
CrashCourse
1 year
It takes a village to create high quality educational material that is free for everyone. Not just our team of writers, editors, subject matter experts and more, but also YOU! Help Crash Course continue to reach millions of learners at
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@TheCrashCourse
CrashCourse
5 months
Crash Course Art History is coming April 11! This won't be the usual chronological, Eurocentric, names-and-dates version. In this series we'll hear a more expansive tale of art history, featuring diverse ways of making and a huge range of artists from across the globe.⁠
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@TheCrashCourse
CrashCourse
3 years
We hope that this series helps us all learn about things we may not have learned in school. Like in this episode, we’ll focus on the heightened levels of violence that erupted into a series of riots across the nation in 1919, also known as the Red Summer.
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@TheCrashCourse
CrashCourse
2 years
We did a thing! Crash Course has made our television debut with a special segment on the history of Wales in @RMcElhenney and @VancityReynolds 's new docuseries Welcome to Wrexham.
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@TheCrashCourse
CrashCourse
6 years
What is stuff?? @hankgreen is back to host Crash Course History of Science!
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@TheCrashCourse
CrashCourse
8 years
We're so excited to bring you Crash Course Computer Science with @MissPhilbin !
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@TheCrashCourse
CrashCourse
4 years
In organic chemistry, different reactions can take place at vastly different speeds. To better understand whether a reaction will actually happen, and how useful that reaction is, we need to understand thermodynamics and kinetics. Let's dive in!
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@TheCrashCourse
CrashCourse
2 years
The history of Wales is long. And kind of… complicated. Learn more about Wales by watching our television debut in Episode 7 of Welcome to Wrexham @WrexhamFX ! 🏴󠁧󠁢󠁷󠁬󠁳󠁿 If you already watched it, what did you think? What did you learn? 💭
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@TheCrashCourse
CrashCourse
6 months
The story of #tuberculosis spans far wider than most realize. The disease has left its mark all through human history worldwide and throughout global cultures — with impacts on contemporary fashion, geography, and so much more.
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@TheCrashCourse
CrashCourse
6 years
Good luck to everyone taking AP tests this week! Remember: -Get a good night's sleep -Eat a healthy breakfast -Drink water -Take deep breaths You're gonna rock it!
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@TheCrashCourse
CrashCourse
5 months
Join us for the YouTube premiere of Crash Course Lecture: Tuberculosis on Monday 3/25 at 12 noon ET. In this brand new Crash Course lecture format, host @johngreen will dive into the history of this curable disease, as well as investigate why so many are still dying from it.
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@TheCrashCourse
CrashCourse
8 months
Congratulations @lily_gladstone on your Golden Globe win! Lily won Best Female Actor in a Motion Picture, Drama for her performance in Killers of the Flower Moon. She's also the host of Crash Course Film Production!
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@TheCrashCourse
CrashCourse
3 years
Here is the first episode of Crash Course Black American History. In it, we’ll learn about the Trans-Atlantic slave trade, which spanned nearly 400 years and brought millions of enslaved Africans to the Americas.
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@TheCrashCourse
CrashCourse
1 year
PM2.5 particles are the tiniest of polluting particles that can have some bad effects. Learn more with Crash Course Climate & Energy, and stay safe out there, everyone!
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@TheCrashCourse
CrashCourse
2 years
Want to hang out with @hankgreen , @alizecarrere and @johngreen while you study for your exams? Join us next week for livestream review sessions focused on Anatomy & Physiology, Geography, and World History. You can submit questions on @Flipgrid here:
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@TheCrashCourse
CrashCourse
5 years
To everyone getting their #APScores today: ✨It's okay if they're not what you were hoping ✨You rock either way ✨You challenged yourself and took a hard test and we're proud of you!
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@TheCrashCourse
CrashCourse
4 years
*Drumroll*….. Crash Course Linguistics is here!! In this series, @ItsRadishTime will teach us all about language— from its structure, to the relationship between language and our identity, to language acquisition, and the diversity of human languages!
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@TheCrashCourse
CrashCourse
3 years
Even wonder how Crash Course series are made? Well, it looks a little different than it did several years ago! To stay safe, Crash Course has been shooting remotely over the last two years. Crash Course Geography was recorded in @alizecarrere 's living room!
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@TheCrashCourse
CrashCourse
3 years
Are you a scientist working with animals? We'd love to feature photos/videos of you doing science in the field or lab in future Crash Course Zoology episodes! If your footage is selected we pay a flat rate of $50/photo & $100/video. More info here:
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@TheCrashCourse
CrashCourse
3 years
Are you a Spanish-speaking educator who teaches college-level science courses? We’re developing a new series of Crash Course Chemistry videos in Spanish and we would love your feedback! More info here:
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@TheCrashCourse
CrashCourse
3 years
This episode of Crash Course Black American History is focused on slavery in the American colonies. We’ll learn about the role slavery played in the early American economy, and how it became a legally accepted practice in the first place. Watch here:
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@TheCrashCourse
CrashCourse
7 years
Happy Independence Day! If you're celebrating today, take a few minutes to watch @johngreen explain why. 🇺🇸 🎆
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@TheCrashCourse
CrashCourse
7 years
We're so excited for our new miniseries starting next week: Crash Course Media Literacy with @jsmooth995 !
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@TheCrashCourse
CrashCourse
4 years
The Crash Course Team has agreed that our role right now is to support and not distract from the conversation around police brutality and the Black Lives Matter movement.
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@TheCrashCourse
CrashCourse
7 years
It is a truth universally acknowledged that a video series about literature must be in want of a Jane Austen episode.
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@TheCrashCourse
CrashCourse
5 years
Introducing Crash Course Business! The first half of this series is all about soft skills, hosted by the wonderful @EVEEEEEZY !
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@TheCrashCourse
CrashCourse
2 years
The first-ever Crash Course Office Hours are happening NEXT WEEK!! 🧠 A&P with @hankgreen on Monday 🌎 Geography with @alizecarrere on Wednesday 📜 World History with @johngreen on Thursday Submit questions on @Flipgrid here:
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@TheCrashCourse
CrashCourse
7 years
It's time to take a look at the founder of computer science himself: Alan Turing.
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@TheCrashCourse
CrashCourse
3 years
Recognize this set? It’s from Crash Course World History, one of the first Crash Course series that launched in 2012. A lot has changed since then! What was the first Crash Course series you watched? 🎊
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@TheCrashCourse
CrashCourse
8 years
For our final episode of Crash Course Philosophy, we consider what it means to live a good life.
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@TheCrashCourse
CrashCourse
4 months
In Crash Course Pods: The Universe, astrophysicist @AstroKatie & Curious Person™️ @johngreen do one of the most human things there is: try to understand the vast universe we find ourselves in. Starting 4/24, listen on our YouTube channel and wherever you get your podcasts!
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@TheCrashCourse
CrashCourse
5 months
Premiering today at 12 pm ET: the first ever Crash Course Lecture! Join us and guest lecturer John Green in the live chat as we learn about the history and science of #tuberculosis and how we can #StopTB
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@TheCrashCourse
CrashCourse
3 years
In this episode of Crash Course Black American History, we’ll unpack the competing philosophies of Booker T. Washington & W.E.B DuBois, two great political leaders of the late 19th and early 20th centuries. Watch the full video here:
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@TheCrashCourse
CrashCourse
7 years
We're hiring writers and consultants for Crash Course Media Literacy and Crash Course Statistics! Apply by 8/22!
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@TheCrashCourse
CrashCourse
3 years
Lots of people watch Crash Course to study for classes... but lots of you also just watch it for fun! What's your favorite Crash Course series to watch for fun?
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@TheCrashCourse
CrashCourse
2 years
Let's learn about Marsha P. Johnson and the Stonewall rebellion. Serving as a pivotal moment in the modern Gay Rights Movement, Stonewall began on June 28th 1969. And though the rebellion lasted less than a week, the reverberations lasted for generations.
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@TheCrashCourse
CrashCourse
10 years
This week, @realjohngreen teaches you the history of money & debt, FOR FREE!... http://t.co/2irblW0ogM
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@TheCrashCourse
CrashCourse
3 years
The Civil War was one of the deadliest in US History, and let's be clear: it was about slavery. In this episode of Crash Course Black American History, we'll learn about how Black people participated in the war, the Emancipation Proclamation, and more.
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@TheCrashCourse
CrashCourse
8 years
Computing used to be an extremely laborious task. Carrie Anne takes us through the early days of computing!
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@TheCrashCourse
CrashCourse
3 years
If you hosted your own Crash Course series, what would it be about? 🤔
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@TheCrashCourse
CrashCourse
3 years
Whether you’ve been a Crash Course patron for several years or you just joined today, THANK YOU. We really rely on our patrons, and your support helps keep Crash Course free for everyone, forever. ❤️
@hankgreen
Hank Green
3 years
So instead, we're just going to start asking for more help. This is me asking for that help right now. Support us on Patreon. Right now. Any amount. When you're done, retweet this. Thank you.
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@TheCrashCourse
CrashCourse
6 years
We consume a LOT of media in our lives, and the ability to navigate it is a powerful and crucial skill.
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@TheCrashCourse
CrashCourse
2 years
Something is coming! Only one week away… 👀
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@TheCrashCourse
CrashCourse
3 years
Crash Course is hiring! We're looking for a staff writer to help shape the content for our Crash Course channels and projects. This will be done by researching, writing, and revising scripts. Apply here by Jan 18th:
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@TheCrashCourse
CrashCourse
9 years
Coming in February 2016, @HankGreen hosts Crash Course Philosophy, produced in association with @PBSDS :
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@TheCrashCourse
CrashCourse
2 years
We'll be live in ~45 mins on IG w/ @ClintSmithIII , @stanwmuller , @hankgreen & @johngreen to celebrate the wrap of Crash Course Black American History! We'll be talking about the making of the series, reflecting on its impact, and answering your questions.
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@TheCrashCourse
CrashCourse
3 years
In this episode of Crash Course Black American History, we’re learning about the life and work of a true legend: Frederick Douglass. Join us here:
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@TheCrashCourse
CrashCourse
2 years
On Wednesday we wrapped up our Crash Course Black American History series. This series was many years in the making, and we want to celebrate all the hard work that went into it!
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@TheCrashCourse
CrashCourse
7 years
Just hit 6 million subscribers!! 🎉 Thank you all for being part of the Crash Course community. We're so lucky to have such engaged viewers!!
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@TheCrashCourse
CrashCourse
10 years
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@TheCrashCourse
CrashCourse
9 years
How big is the Universe? Pretty, big... http://t.co/FHoSeyLgKk
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@TheCrashCourse
CrashCourse
9 years
Breathing is kind of a big deal so @HankGreen is explaining how it works, starting with the ancestor we got it from:
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@TheCrashCourse
CrashCourse
3 years
If you went to college/university, what did you study? And what do you do now?
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@TheCrashCourse
CrashCourse
2 years
Today's video is about the legendary writer Toni Morrison. Morrison is best known for her novels which chronicle the experiences of Black Americans throughout history. She was the first Black American Woman to win a Nobel Prize for Literature.
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@TheCrashCourse
CrashCourse
7 years
Mondays are about to get super awesome because @SweeneySays is hosting Crash Course Sociology!
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@TheCrashCourse
CrashCourse
3 years
In this episode of Crash Course Black American History, we're learning about the Stono Rebellion, an uprising led by enslaved people in South Carolina.
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@TheCrashCourse
CrashCourse
7 years
Mathematical thinking can help you see past coincidence, judge risks, and see the broader relationships in the world.
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@TheCrashCourse
CrashCourse
3 years
Black Americans have long fought in America's wars, very often fighting for a country that doesn't fight for them. In this episode of Crash Course Black American History, we'll learn about the experiences of Black Americans in World War II.
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@TheCrashCourse
CrashCourse
3 years
In this episode of Crash Course Black American History, we’re learning about the US Constitution, including the 3/5 Compromise and the Slave Trade Clause which entrenched the institution of slavery in the fundamental law of the new United States.
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@TheCrashCourse
CrashCourse
10 years
Wait a minute, people cause famine? That's what @realjohngreen says. http://t.co/wb2QMHapLw
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@TheCrashCourse
CrashCourse
4 years
Need teaching materials to use with Crash Course? The Crash Course community has crowdsourced this awesome teaching resource folder. Please help us make it more useful! #quaranteaching #onlineteaching #teachertwitter #academictwitter #edutwitter
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@TheCrashCourse
CrashCourse
9 years
Today @HankGreen covers your Peripheral Nervous System and how it keeps your brain in touch with the outside world.
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@TheCrashCourse
CrashCourse
2 years
Crash Course viewers are the best. So many of you have already purchased a coin to help us reach more learners for free. Thank you. High-quality, educational content for free only works when the people who are able to pay, do so.
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@TheCrashCourse
CrashCourse
3 years
Getting ready to binge Crash Course before your AP exam? 😅 #APexam #APUSH
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@TheCrashCourse
CrashCourse
7 years
Love hearing from all of you who say we helped you prepare for the AP World History test today. Good luck!!!!
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@TheCrashCourse
CrashCourse
3 years
Introducing... Crash Course Outbreak Science! In this course, @PardisSabeti will talk us through what causes infectious disease outbreaks, the history of outbreaks, and how we can all work together to tackle and prevent them. Watch the preview here:
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@TheCrashCourse
CrashCourse
10 years
Learn the Protestant Reformation, by request, on @thecrashcourse World History with @johngreen .... http://t.co/5CczVOwGp2
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@TheCrashCourse
CrashCourse
3 months
To everyone who purchased a coin, who supports on Patreon, or who watches our videos and shares them with others: THANK YOU! Crash Course wouldn't exist without you.
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@TheCrashCourse
CrashCourse
4 months
Venture into the deep past of the cosmos with Crash Course Pods: The Universe. In episode one, @johngreen and @AstroKatie start at the beginning -- the first 60 seconds of the universe 13.8 billion years ago.
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@TheCrashCourse
CrashCourse
6 years
One week until the AP U.S. History test! @johngreen can help you review: #APUSH
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@TheCrashCourse
CrashCourse
10 years
In which @realjohngreen talks civilization on @theCrashCourse World History.... http://t.co/ID6SAqcWbQ
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@TheCrashCourse
CrashCourse
10 years
Langston Hughes, the Harlem Renaissance, and the Boogie-Woogie Rumble on @TheCrashCourse :... http://t.co/ztvh2vC0WD
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@TheCrashCourse
CrashCourse
8 years
Stories that explain life, the universe, and almost everything! CC: World Mythology with @mikerugnetta is here!
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@TheCrashCourse
CrashCourse
3 years
Welcome to Crash Course Zoology!! 🐌🐍🦁 In this series, we’ll take a deep dive into the weird & wonderful biology of animals. Our host, @RaeWynnGrant , will guide us across the tree of life as we explore what makes an animal an animal!
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@TheCrashCourse
CrashCourse
10 years
The feds, man. What powers do they have? @wheezywaiter answers your burning questions about Federalism on... http://t.co/WhbofxEl46
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@TheCrashCourse
CrashCourse
10 years
How was WW2 about food? Turns out, a bunch of ways. @johngreen tells you how.... http://t.co/XHP5iokvIa
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@TheCrashCourse
CrashCourse
6 years
Are you a Platonist or an Aristotelian? Or is that a trick question?
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@TheCrashCourse
CrashCourse
8 years
If you're at @NCNerdfighteria , come hang out with us at 10am for a crash course on Crash Course!
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@TheCrashCourse
CrashCourse
11 months
The conflict in Israel and Palestine isn't as old as you might think. And, hopefully, it's also not as intractable. .
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@TheCrashCourse
CrashCourse
6 years
To understand evil, you need to think evil! Jay tells us about propaganda, disinformation, and misinformation in today's Media Literacy.
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@TheCrashCourse
CrashCourse
2 years
It's been a big week at Crash Course! 🥳 After 2+ years of work, Crash Course Geography and Crash Course Organic Chemistry both uploaded their final episodes this week. So many people worked so hard on these videos– huge shoutout to these teams! ❤️
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@TheCrashCourse
CrashCourse
6 years
Sometimes a play is so controversial the archbishop of Paris threatens to excommunicate anyone who reads it.
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@TheCrashCourse
CrashCourse
5 years
. @johngreen is back to teach you history! This time, we're focusing on Europe, which is both a made-up idea and also very real.
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@TheCrashCourse
CrashCourse
10 years
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@TheCrashCourse
CrashCourse
9 years
How does a bill become a law? @wheezywaiter and @thecrashcourse teach you all about it.
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@TheCrashCourse
CrashCourse
7 years
We cover a lot on Crash Course, and now we're teaching you how to learn. Crash Course Study Skills starts next week!
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