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CrashCourse

At Crash Course, we believe that high-quality educational videos should be available to everyone for free! Subscribe for weekly videos from our current courses! The Crash Course team has produced more than 60 courses on a wide variety of subjects, ranging from the humanities to sciences and so much more! We also recently teamed up with Arizona State University to bring you more courses on the Study Hall channel.Links:Support us on Patreon!: http://patreon.com/crashcourseInstagram:

education documentary

All Episodes

18:12

The Modern Revolution: Crash Course Big History #8

CrashCourse ·

2026/09/10

In which Hank and John Green teach you a Crash Course on the modern revolution, and the upside of the progress that humanity has made in the last 500 years or so. And while there are two sides to every history, and many of these changes haven't been great for the other inhabitants of the Earth, collective learning has made life better for people in general. We'll talk about the European explorations, improvements in machinery, communications, and the harnessing of energy that improved the lot of

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16:26

Dictators and Resistance: Crash Course Latin American...

CrashCourse ·

2026/09/10

Strongmen, tyrants, and dictators have marked Latin America’s history — and literature — for hundreds of years. In this episode of Crash Course Latin American Literature, we dive into some of the novels that have challenged authoritarian governments in real time and in their aftermath. Introduction: The Power of Stories 00:00Novelas de la Tierra 0:34"Facundo" 2:16Novelas del Dictador 4:58“El Señor Presidente” 6:12"In the Time of Butterflies" 8:09Review & Credits 10:50Sources:

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13:26

Venice and the Ottoman Empire: Crash Course World...

CrashCourse ·

2026/09/10

In which John Green discusses the strange and mutually beneficial relationship between a republic, the city-state of Venice, and an Empire, the Ottomans--and how studying history can help you to be a better boyfriend/girlfriend. Together, the Ottoman Empire and Venice grew wealthy by facilitating trade: The Venetians had ships and nautical expertise; the Ottomans had access to many of the most valuable goods in the world, especially pepper and grain. Working together across cultural and religious

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13:53

Hollywood, Pretendians, and Cultural Appropriation:...

CrashCourse ·

2026/09/10

Native people have been a part of Hollywood and wider American culture for centuries—but not always in the best ways. In this episode of Crash Course Native American History, we explore cultural appropriation, from redface to pretendians, and everything in between.Introduction: Cowboys and Indians 00:00Natives in Early Hollywood 0:36Redface 2:00Pretendians 3:30Cultural Appropriation 6:24Native Representation Today 8:22Review & Credits

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15:18

Population Genetics: When Darwin Met Mendel - Crash...

CrashCourse ·

2026/09/10

Hank talks about population genetics, which helps to explain the evolution of populations over time by combing the principles of Mendel and Darwin, and by means of the Hardy-Weinberg equation.Table of Contents:1. Population Genetics 1:052. Population 1:143. Allele Frequency 1:414. 5 Factors 1:58a) Natural Selection 2:12b) Natural Selection/Random Mating 2:27c) Mutation 3:18d) Genetic Drift 3:49e) Gene Flow 4:055. Hardy-Weinberg Principle 4:456. Hardy-Weinberg Equilibrium 5:157. Hardy-Weinberg

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17:41

How is AI impacting society?: Crash Course Futures of...

CrashCourse ·

2026/09/10

AI is taking over…or is it? And what would that look like anyway? The smarter it gets, the better AI will become at doing– basically everything. That could lead us to a bright future, with booming economies and tons of free time for us human beings. But it could also lead us to something a lot darker. In order to prepare for that transition, we have to try and understand what it would really look like. Intro 00:00How AI could lead to economic growth 2:22How AI could transform society 4:35How AI

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15:29

Why are People Moving to Cities? Crash Course...

CrashCourse ·

2026/09/10

According to the UN, people living in urban places now outnumber those in rural areas — which is a pretty new phenomenon for many parts of the world. So today, we’re going to discuss factors that have led to this shift in populations from rural to urban residences (known as urbanization), and we’ll examine the historical and structural systems, like colonialism and Central Place Theory, that have influenced the cities we see today. Correction:3:20 On the map here we incorrectly placed the Shanghai

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13:29

Int'l Commerce, Snorkeling Camels, and The Indian...

CrashCourse ·

2026/09/10

In which John Green teaches you the history of the Indian Ocean Trade. John weaves a tale of swashbuckling adventure, replete with trade in books, ivory, and timber. Along the way, John manages to cover advances in seafaring technology, just how the monsoons work, and there's even a disembowelment for you Fangoria fans.Chapters: Introduction 00:00Indian Ocean Trade 0:58Monsoon Winds 2:19How did trading work along the Indian Ocean? 3:43An Open Letter to Kota Rani 4:57Benefits of seaborne trade

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14:14

What Can a Prophecy Tell Us About Climate Change?: Ep...

CrashCourse ·

2026/09/10

What is Traditional Ecological Knowledge? And can it lead a path forward through climate change? In the final episode of Crash Course Native of American History, we’ll explore Native peoples’ expertise on the places they’ve lived for generations—and why it matters today.Introduction: Climate in Alaska 00:00Traditional Ecological Knowledge 0:36Controlled Burns 2:45Effects of Climate Change 4:29Environmental Justice 5:59Review & Credits

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14:11

Evolutionary Development: Chicken Teeth - Crash...

CrashCourse ·

2026/09/10

Hank introduces us to the relatively new field of evolutionary developmental biology, which compares the developmental processes of different organisms to determine their ancestral relationship and to discover how those processes evolved. Also, fruit flies with eyes on their legs and chickens with

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16:49

How close is the worst case scenario?: Crash Course...

CrashCourse ·

2026/09/10

Way back in the 1930s, Alan Turing gave us a glimpse of the power of computers with a hypothetical machine that, he said, could solve any computable problem. But that was nonsense…right?Well thanks to recursive progress, maybe not. In this episode, we’ll explore how humans (and computers) make progress, and try to find out just how powerful AI could become. About This Series:AI is changing FAST so rather than doing a full Crash Course series of 12+ episodes, we’ve prepared a mini-series of just the

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7:23

CrashCourse Biology Outtakes with Hank Green

CrashCourse ·

2026/09/10

Hank makes mistakes. Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourseWant to find Crash Course elsewhere on the internet?Facebook - http://www.facebook.com/YouTubeCrashCourseTwitter - http://www.twitter.com/TheCrashCourseInstagram - https://www.instagram.com/thecrashcourse/ Learn more about your ad choices. Visit megaphone.fm/adchoices

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16:07

Life under a dictatorship: Crash Course Latin...

CrashCourse ·

2026/09/09

How do you honor the memory of something… that you don’t fully remember? In this episode of Crash Course Latin American Literature, we’ll explore how writers who grew up in the shadow of dictatorships, civil war, and armed conflicts wrestle with the memory of violence, and the challenges of memory itself.Introduction: Being a Kid 00:00Literatura de los Hijos 0:54"Formas de volver a casa" 1:51Félix Bruzzone 4:18"Roza, tumba, quema" 5:57"La sangre de la aurora" 8:21Review & Credits 10:47Sources:

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6:14

Outtakes #4: Crash Course Psychology

CrashCourse ·

2026/09/09

In this episode of Crash Course Psychology, Hank has trouble saying the words and posits a world in which he can be hypnotized to forget things just so he can enjoy them all over again. Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourseWant to find Crash Course elsewhere on the internet?Facebook - http://www.facebook.com/YouTubeCrashCourseTwitter - http://www.twitter.com/TheCrashCourseInstagram - https://www.instagram.com/thecrashcourse/CC

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15:45

Wait For It...The Mongols!: Crash Course World...

CrashCourse ·

2026/09/09

In which John Green teaches you, at long last, about the most exceptional bunch of empire-building nomads in the history of the world, the Mongols! How did the Mongols go from being a relatively small band of herders who occasionally engaged in some light hunting-gathering to being one of the most formidable fighting forces in the world? It turns out Genghis Khan was a pretty big part of it, but you probably already knew that. The more interesting questions might be, what kind of rulers were they,

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16:37

The Alignment Problem Explained: Crash Course Futures...

CrashCourse ·

2026/09/09

Could a robot dedicated to a good cause end up destroying the world? Well, maybe. In this episode, we explore how powerful AI could end up causing us harm, regardless of what it’s programmed for. Between misuse by humans, alignment problems, and instrumental goals, even AI built with good intentions could end up breaking bad…unless we do something about it. About This Series:AI is changing FAST so rather than doing a full Crash Course series of 12+ episodes, we’ve prepared a mini-series of just the

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15:46

Animal Development: We're Just Tubes - Crash Course...

CrashCourse ·

2026/09/09

Hank discusses the process by which organisms grow and develop, maintaining that, in the end, we're all just tubes.Table of Contents1) Zygote 2:382) Morula 2:533) Blastula 3:254) Radial Symmetry 4:115) Bilateral Symmetry 4:266) Gastrulation 4:527) Blastopore 5:028) Gastrula 5:179) Protostomes & Deuterostomes 5:3310) Germ Layers 6:22a) Diploblastic 6:32b) Triploblastic 6:4411) Biolography 7:27Crash Course is on Patreon! You can support us directly by signing up at

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13:29

Horror in Latin American literature: Crash Course...

CrashCourse ·

2026/09/09

Are you afraid of ghosts? In this episode of Crash Course Latin American Literature, we pull back the curtain on the origins of Latin American horror, winding our way through (literal) ghost towns, haunted inns, and the eerie landscape of the Andes. Prepare to be spooked.Introduction: A Ghost Story 00:00Ghosts in Latin America 0:37Pedro Páramo 1:22The Female Gothic 4:54Andean Gothic 6:51The New Boom? 8:25Review and Credits 9:16Sources:

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13:45

Mansa Musa and Islam in Africa: Crash Course World...

CrashCourse ·

2026/09/09

In which John Green teaches you about Sub-Saharan Africa! So, what exactly was going on there? It turns out, it was a lot of trade, converting to Islam, visits from Ibn Battuta, trade, beautiful women, trade, some impressive architecture, and several empires. John not only covers the West African Malian Empire, which is the one Mansa Musa ruled, but he also discusses the Ghanian Empire and even gets over to East Africa as well to discuss the trade-based city-states of Mogadishu, Mombasa, and

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15:59

Emmett Till: Crash Course Black American History #34

CrashCourse ·

2026/09/09

In 1955, a 14-year-old boy named Emmett Till was brutally murdered in Money, Mississippi. The white men who murdered him killed him for being Black. Emmett Till's mother chose to have an open casket funeral, and show the world what had been done to her son. Despite the killers being acquitted in court, the story of Emmett Till and the jarring images of his funeral shocked the nation and were a vital catalyst in turning the civil rights movement into a nationwide phenomenon.Clint's book, How the Word

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704 results

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