Podcasts · Education · Science

CrashCourse

CrashCourse

300 episodes

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: https://www.instagram.com/crashcourseBluesky: https://bsky.app/profile/thecrashcourse.bsky.socialTikTok: https://www.tiktok.com/@crashcourseFacebook: http://www.facebook.com/YouTubeCrashCourse

Episodes page 1 of 6

  1. The Germantown Petition Against Slavery: Crash Course Black American History #5

    · 15 min

    In 1688, in Pennsylvania, a group of four men created the Germantown Petition, which made the case that slavery was immoral and that it was inconsistent with Christian beliefs in general, and Quaker beliefs…

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

    · 15 min

    How did over one billion years of history go missing? In this episode of Crash Course Geology, we’ll tour the Grand Canyon and discover how geologists read its rocky layers like chapters in Earth’s biography. We’ll…

  3. The Montgomery Bus Boycott: Crash Course Black American History #35

    · 18 min

    For 381 days in 1955 and 1956, the Black citizens of Montgomery, Alabama boycotted the city bus system. Black riders had been mistreated on public transit all over the country for decades, and the national coverage of…

  4. Social Influence: Crash Course Psychology #38

    · 14 min

    Why do people sometimes do bad things just because someone else told them to? And what does the term Groupthink mean? In today's episode of Crash Course Psychology, Hank talks about the ideas of Social Influence and…

  5. How did Detroit Become the Motor City? | Industrial Geography | Crash Course Geography #48

    · 17 min

    From shipping routes to airplane traffic to even the Internet, transportation planning is all about designing optimal transportation networks to move goods, information, and people around the globe. Today, we're going…

  6. Population, Sustainability, and Malthus: Crash Course World History 215

    · 18 min

    In which John Green teaches you about population. So, how many people can reasonably live on the Earth? Thomas Malthus got it totally wrong in the 19th century, but for some reason, he keeps coming up when we talk…

  7. How to Choose a School | How to College | Crash Course

    · 12 min

    You're already learning on YouTube — why not get college credit for it? https://link.gostudyhall.com/my1 In this episode of Crash Course: How to College, Erica helps us think about how to best choose the right school…

  8. The Oort Cloud: Crash Course Astronomy #22

    · 17 min

    Now that we’re done with the planets, asteroid belt, and comets, we’re heading to the outskirts of the solar system. Out past Neptune are vast reservoirs of icy bodies that can become comets if they get poked into the…

  9. Congressional Leadership: Crash Course Government and Politics #8

    · 12 min

    This week Craig Benzine explores the leadership structure of congress. We’ll break out the clone machine to examine the responsibilities of the speaker of the house, the majority and minority leaders, and the majority…

  10. Human Evolution: Crash Course Big History #6

    · 22 min

    In which John Green and Hank Green teach you about how human primates moved out of Africa and turned Earth into a real-life Planet of the Apes. And the apes are people! John and Hank teach you about how humans evolved,…

  11. Sustainable Cities: Crash Course Geography #49

    · 17 min

    From towering skyscrapers covered in trees to zero carbon smart cities, there are so many ways to imagine what a sustainable city of the future might look like. But what does it really mean to be sustainable anyway?…

  12. Social Thinking: Crash Course Psychology #37

    · 15 min

    Why do people do bad things? Is it because of the situation or who they are at their core? In this week's episode of Crash Course Psychology, Hank works to shed a little light on the ideas of Situation vs. Personality.…

  13. How to Prepare for College | How to College | Crash Course

    · 18 min

    You're already learning on YouTube — why not get college credit for it? https://link.gostudyhall.com/my1 In this episode of Crash Course: How to College, Erica talks us through what preparing for college could entail…

  14. Aldehyde and Ketone Reactions - Hydrates, Acetals, and Imines: Crash Course Organic Chemistry #29

    · 19 min

    We’ve already learned the basics of carbonyl chemistry and talked about how we can synthesize aldehydes and ketones, but there’s still so much more to learn, like the role carbonyl groups play in reactions involving…

  15. The Railroad Journey and the Industrial Revolution: Crash Course World History 214

    · 18 min

    In which John Green teaches you about railroads and some of the ways they changed the world, and how they were a sort of microcosm for the Industrial Revolution as a whole. Prior to the invention of steam-powered…

  16. More EAS - Electron Donating and Withdrawing Groups: Crash Course Organic Chemistry #38

    · 17 min

    In the previous episode we discussed what happens when we use electrophilic aromatic substitution to add a group to a benzene ring, but what happens when you try to add even more groups? Well, things get a little more…

  17. Biological Polymers: Crash Course Organic Chemistry #49

    · 20 min

    You might think a self regulating factory sounds pretty unbelievable, but that’s pretty much exactly how our bodies work! Our bodies are full of regulatory mechanisms that keep all the organic molecules we need to live…

  18. The Evolutionary Epic: Crash Course Big History #5

    · 21 min

    In which John Green, Hank Green, and Emily Graslie teach you about evolution. So, in the last 3.8 billion years, life on Earth has evolved from single-celled prokaryotes to the dizzying array of life we have today. So…

  19. Martin Luther King, Jr: Crash Course Black American History #36

    · 18 min

    Today we're going to learn about perhaps the best-known leader in the Civil Rights Era, Martin Luther King, Jr. From his rise to notoriety during the Montgomery Bus Boycott in 1955, his leadership of the Southern…

  20. Biomedical Treatments: Crash Course Psychology #36

    · 16 min

    Do you know how Prozac works? Or lithium? Did you know that electroshock therapy is still a thing? There's a lot to know about biomedical treatments and how they work in tandem with psychotherapy or talk therapy. In…

  21. IP Problems, YouTube, and the Future: Crash Course Intellectual Property #7

    · 19 min

    In which Stan Muller talks about some of the problems in Intellectual Property law as it exists today. He'll also teach you a little about how IP law applies to everyone's favorite media platform, YouTube. Lastly,…

  22. Geographies of the Future: Crash Course Geography #50

    · 18 min

    In our final episode of Crash Course Geography we're going to take a look towards the future, and to do that we'll need to revisit our fundamental geography tools: space, place, and human-environment interactions!…

  23. Asian Responses to Imperialism: Crash Course World History #213

    · 18 min

    In which John Green teaches you about Imperialism, but not from the perspective of the colonizers. This week John looks at some Asian perspectives on Imperialism; specifically, writers from countries that were…

  24. Nonviolence and Peace Movements: Crash Course World History 228

    · 18 min

    In which John Green teaches you about nonviolence and peace movements in the 20th century. What is nonviolence? What is a peace movement? Well. traditionally, humans often resort to violence when they come into…

  25. Medicinal Chemistry and Penicillin Total Synthesis: Crash Course Organic Chemistry #50

    · 19 min

    These days, we don't have to worry too much about meeting an early demise from ulcers, breaks in the stomach lining that could be fatal back in the early 1900s. This is because we have medicines to treat them, like…

  26. Getting Help - Psychotherapy: Crash Course Psychology #35

    · 17 min

    So, you know you'd like to get help with some problematic behavior (like fear of flying). What do you do? Who can you go to for help? Once you've gone, what can you expect? In this episode of Crash Course Psychology,…

  27. Reproduction: Crash Course Zoology #9

    · 18 min

    Today we're (finally) going to talk about animal babies! But more than just puppies and piglets we're going to be looking at their genes. Sexual reproduction is part of the very definition of what it means to be an…

  28. How to Apply to College | How to College | Crash Course

    · 12 min

    You're already learning on YouTube — why not get college credit for it? https://link.gostudyhall.com/my1 Now that we're to the point of actually applying for college, things can get a little overwhelming. But, not to…

  29. The Rise of the West and Historical Methodology: Crash Course World History #212

    · 17 min

    In which John Green talks about the methods of writing history by looking at some of the ways that history has been written about the rise of the West. But first, he has to tell you what the West is. And then he has to…

  30. Crash Course Office Hours: Anatomy and Physiology

    · 1 h 05 min

    Welcome to Crash Course Office Hours! Is the heart an organ? How does the nervous system work? In this livestream, Hank Green and Brandon Jackson answer the questions you submitted and talk about the best ways to study…

  31. The Black Women's Club Movement: Crash Course Black American History #23

    · 15 min

    In the late 19th and early 20th centuries, Black American Women were struggling with both racism and misogyny as they fought for their rights. Black Women formed clubs and organized to make sure civil and political…

  32. Personality Disorders: Crash Course Psychology #34

    · 15 min

    What exactly are Personality Disorders? How can they be diagnosed? Can we prevent some of them? In this episode of Crash Course Psychology, Hank gives us the down-low on things like Ego-Dystonic and Ego-Syntonic…

  33. How to Pay for College | Crash Course | How to College

    · 15 min

    You're already learning on YouTube — why not get college credit for it? https://link.gostudyhall.com/my1 Paying for college is stressful and there's a lot of research we need to do. So we want to be methodical and…

  34. Endocrine System, Part 1 - Glands and Hormones: Crash Course Anatomy and Physiology #23

    · 15 min

    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…

  35. Life Begins: Crash Course Big History #4

    · 19 min

    In which Hank and John Green teach you about life on Earth. They won't be giving advice on how life should be lived, because this is a history series. Instead, they'll teach you about the earliest forms of life on…

  36. Student Civil Rights Activism: Crash Course Black American History #37

    · 19 min

    A wide range of Americans contributed to the Civil Rights Movement in the 1950s and 1960s. Students and young people were prominent groups of activists within the movement. Today, we'll learn about the Little Rock…

  37. Crash Course Office Hours: Geography

    · 1 h 09 min

    Welcome to Crash Course Office Hours! Alizé Carrère and April Luginbuhl Mather answer your questions on human and physical geography, including how rocks form, how melting glaciers impact water resources, and what even…

  38. The End of Civilization (In the Bronze Age): Crash Course World History 211

    · 18 min

    In which John Green teaches you about the Bronze Age civilization in what we today call the middle east, and how the vast, interconnected civilization that encompassed Egypt, The Levant, and Mesopotamia came to an end.…

  39. Introduction to the Solar System: Crash Course Astronomy #9

    · 15 min

    In today's Crash Course Astronomy, Phil takes a look at the explosive history of our cosmic backyard. We explore how we went from a giant ball of gas to the system of planets and other celestial objects we have today.…

  40. The Stono Rebellion: Crash Course Black American History #6

    · 17 min

    Enslaved people resisted their condition in a range of different ways. Oftentimes those ways were small and personal. There were also times when that resistance took on larger, more dramatic forms, like with slave…

  41. Crash Course Office Hours: World History

    · 1 h 06 min

    Welcome to Crash Course World History Office Hours! John Green and Cathy Keller answer your questions on the Russian Revolution, discuss the origin of nation states, and talk about the best way to approach studying…

  42. The Sun and The Earth: Crash Course Big History #3

    · 20 min

    In which John Green, Hank Green, and Emily Graslie teach you about our Sun and the formation of the planets. We're going to focus on the formation and development of the Earth because that's where people live. You'll…

  43. How to Choose a Major | Crash Course | How to College

    · 17 min

    You're already learning on YouTube — why not get college credit for it? https://link.gostudyhall.com/my1 Choosing majors can feel overwhelming and even confusing. It can feel like your whole life can be based on this…

  44. Schizophrenia and Dissociative Disorders: Crash Course Psychology #32

    · 17 min

    In this episode of Crash Course Psychology, Hank describes some of the most misunderstood psychological disorders out there: Schizophrenia and Dissociative Identity Disorder. Want more videos about psychology? Check…

  45. Malcolm X and the Rise of Black Power: Crash Course Black American History #38

    · 20 min

    In the late 1950s and the early to mid-1960s, a Muslim minister named Malcolm X rose to prominence in the United States during the struggle for Civil Rights. Malcolm X was a member of and spokesperson for the Nation of…

  46. Where and Why Do People Move? Crash Course Geography #32

    · 17 min

    People have been migrating and transplanting since before recorded history, and understanding the reasons why people migrate can help explain some of the cultural, economic, and political patterns we see around the…

  47. Outtakes #2: Crash Course Government and Politics

    · 7:14

    In which Craig Benzine tries to say certiorari. Produced in collaboration with PBS Digital Studios: http://youtube.com/pbsdigitalstudios Support is provided by Voqal: http://www.voqal.org Want to find Crash Course…

  48. Exploring the Universe: Crash Course Big History #2

    · 20 min

    In which John Green, Hank Green, and Emily Graslie teach you about what happened in the Universe after the big bang. They'll teach you about cosmic background radiation, how a bunch of hydrogen and helium turned into…

  49. Choosing a Specialization | Crash Course | How to College

    · 14 min

    You're already learning on YouTube — why not get college credit for it? https://link.gostudyhall.com/my1 Now that we have a better grasp on chosing majors, let's talk a little about specializations. There's a lot to…

  50. Trauma and Addiction: Crash Course Psychology #31

    · 15 min

    So, what do Batman and J.R.R. Tolkien have in common? Post Traumatic Stress Disorder. It used to be called "Shellshock" and it can be really really really destructive. In this episode of Crash Course Psychology, Hank…

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