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CrashCourse

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.

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  • 264 episodes
  • Avg 17 min
  • English
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  • Tuesday · 17 min

    The Cold War: Crash Course US History #37

    In which John Green teaches you about the Cold War, the decades-long conflict between the USA and the USSR. The Cold War was called cold because of the lack of actual fighting, but this is inaccurate. There was plenty of fighting, from Korea to Viet Nam to Afghanistan, but we'll get into that stuff next week. This week we'll talk about how the Cold War started. In short, it grew out of World War II. Basically, the Soviets occupied Eastern Europe and the US-supported western Europe. This setup would spill across the world, with client states on both sides. It's all in the video. You should just watch it. Hey teachers and students - Check out CommonLit's free collection of reading passages and curriculum resources to learn more about the events of this episode. The Cold War spanned over four decades of American history, beginning with the paranoia of McCarthyism, a political witch hunt for communists: https://www.commonlit.org/texts/mccarthyism President Kennedy delivered an Inaugural Address during the height of the Cold War, initiating a space race: https://www.commonlit.org/texts/president-kennedy-s-inaugural-address President Kennedy also oversaw Cuba's emergence as a Cold War rival of the United States: https://www.commonlit.org/texts/cold-war-rivals-cuba-and-the-united-states Want to learn more about the Cold War? Check out these other videos from Crash Course: USA vs USSR Fight! The Cold War: Crash Course World History #39: https://www.youtube.com/watch?v=y9HjvHZfCUI The Cold War in Asia: Crash Course US History #38: https://www.youtube.com/watch?v=Y2IcmLkuhG0 George HW Bush and the End of the Cold War: Crash Course US History #44: https://www.youtube.com/watch?v=L-K19rVDxoM The Cold War and Consumerism: Crash Course Computer Science #24: https://www.youtube.com/watch?v=m8i38Yq1wX4 Post-War Rebuilding and the Cold War: Crash Course European History #41: https://www.youtube.com/watch?v=-rkIqtV07HE Chapters: Introduction: The Cold War Era 00:00 The Aftermath of WWII 1:57 USSR Expansion & Containment 2:38 The Truman Doctrine 3:34 The Marshall Plan 5:01 The Berlin Crisis 6:18 Mystery Document 7:19 Consensus on Cold War Policies 8:28 Impact of the Cold War on Domestic Policy 10:03 Espionage, McCarthyism, and the Red Scare 10:53 Credits 12:49 ------- Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Instagram - https://www.instagram.com/thecrashcourse/ CC Kids: http://www.youtube.com/crashcoursekids Learn more about your ad choices. Visit megaphone.fm/adchoices

  • Tuesday · 18 min

    Cellular Respiration: Do Cells Breathe?: Crash Course Biology #27

    You know ‘em, you love ‘em. They’re the powerhouse of the cell: mitochondria. They produce the ATP molecules that we use to do everything from talk to our friends to run a marathon. In this episode of Crash Course Biology, we’re taking a deep dive into cellular respiration, the process that produces the ATP inside of our mitochondria. Chapters: Getting Energy 00:00 Mitochondria & ATP 1:22 Cellular Respiration 2:29 Glycolysis 4:18 The Citric Acid Cycle 6:40 The Electron Transport Chain 8:17 Review & Credits 11:05 This series was produced in collaboration with HHMI BioInteractive, committed to empowering educators and inspiring students with engaging, accessible, and quality classroom resources. Visit https://BioInteractive.org/CrashCourse for more information. Are you an educator looking for what NGSS Standards are covered in this episode? Check out our Educator Standards Database for Biology here: https://www.thecrashcourse.com/biologystandards Check out our Biology playlist here: https://www.youtube.com/playlist?list=PL8dPuuaLjXtPW_ofbxdHNciuLoTRLPMgB Watch this series in Spanish on our Crash Course en Español channel here: https://www.youtube.com/playlist?list=PLkcbA0DkuFjWQZzjwF6w_gUrE_5_d3vd3 Sources: https://docs.google.com/document/d/1GLDtAXE6ekg4Chk2qN3TYbNt0pJbyaHqTqRd6QY8pd4/edit?usp=sharing *** Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Adriana Toyber, Leah H., David Fanska, Andrew Woods, Tawny Whaley, Sean Saunders, DL Singfield, Ken Davidian, Stephen Akuffo, Toni Miles, Steve Segreto, Kyle & Katherine Callahan, Laurel Stevens, Burt Humburg, Aziz Y, Perry Joyce, Scott Harrison, Mark & Susan Billian, Alan Bridgeman, Breanna Bosso, Matt Curls, Jennifer Killen, Starstuff42, Jon Allen, Sarah & Nathan Catchings, team dorsey, Bernardo Garza, Trevin Beattie, Eric Koslow, Indija-ka Siriwardena, Jason Rostoker, Siobhán, Ken Penttinen, Nathan Taylor, Barrett & Laura Nuzum, Les Aker, William McGraw, Vaso, ClareG, Rizwan Kassim, Constance Urist, Alex Hackman, Pineapples of Solidarity, Katie Dean, Stephen McCandless, Thomas Greinert, Wai Jack Sin, Ian Dundore, Caleb Weeks __ Want to find Crash Course elsewhere on the internet? Instagram - https://www.instagram.com/thecrashcourse/ Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse CC Kids: http://www.youtube.com/crashcoursekids Learn more about your ad choices. Visit megaphone.fm/adchoices

  • Tuesday · 12 min

    The History of Atomic Chemistry: Crash Course Chemistry #37

    How did we get here? Well, in terms of Atomic Chemistry, Hank takes us on a tour of the folks that were part of the long chain of other folks who helped us get to these deeper understandings of the world. From Leucippus to Heisenberg to you - yes, YOU - the story of Atomic Chemistry is all wibbly-wobbly... and amazing. Pssst... we made flashcards to help you review the content in this episode! Find them on the free Crash Course App! Download it here for Apple Devices: https://apple.co/3d4eyZo Download it here for Android Devices: https://bit.ly/2SrDulJ -- Table of Contents Leucippus, Democritus & Atomic Theory 0:09 Discharge Tubes 1:52 Ernest Rutherford & The Nucleus 4:22 Chemistry = Math 7:22 Niels Bohr Model 5:32 Heisenburg & Quantum Theory 6:35 -- Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Instagram - https://www.instagram.com/thecrashcourse/ CC Kids: http://www.youtube.com/crashcoursekids Learn more about your ad choices. Visit megaphone.fm/adchoices

  • Tuesday · 17 min

    Photosynthesis: The Original Solar Power: Crash Course Biology #28

    Photosynthesis is a powerful process that is responsible for some of life’s most vital functions. In fact, consumers like us rely on photosynthetic producers to harness energy from the sun so that we can survive and thrive. In this episode of Crash Course Biology, we’ll explore photosynthesis in two acts, and learn how the process works inside and out. Chapters: How Can We Feed the World? 00:00 Producers & Photosynthesis 1:26 Chloroplasts 4:04 The Light-Dependent Reactions 5:01 The Calvin Cycle 7:30 Carbon Fixation 10:27 Review & Credits 11:33 This series was produced in collaboration with HHMI BioInteractive, committed to empowering educators and inspiring students with engaging, accessible, and quality classroom resources. Visit https://BioInteractive.org/CrashCourse for more information. Are you an educator looking for what NGSS Standards are covered in this episode? Check out our Educator Standards Database for Biology here: https://www.thecrashcourse.com/biologystandards Check out our Biology playlist here: https://www.youtube.com/playlist?list=PL8dPuuaLjXtPW_ofbxdHNciuLoTRLPMgB Watch this series in Spanish on our Crash Course en Español channel here: https://www.youtube.com/playlist?list=PLkcbA0DkuFjWQZzjwF6w_gUrE_5_d3vd3 Sources: https://docs.google.com/document/d/1GLDtAXE6ekg4Chk2qN3TYbNt0pJbyaHqTqRd6QY8pd4/edit?usp=sharing *** Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Adriana Toyber, Leah H., David Fanska, Andrew Woods, Tawny Whaley, Sean Saunders, DL Singfield, Ken Davidian, Stephen Akuffo, Toni Miles, Steve Segreto, Kyle & Katherine Callahan, Laurel Stevens, Burt Humburg, Aziz Y, Perry Joyce, Scott Harrison, Mark & Susan Billian, Alan Bridgeman, Breanna Bosso, Matt Curls, Jennifer Killen, Starstuff42, Jon Allen, Sarah & Nathan Catchings, team dorsey, Bernardo Garza, Trevin Beattie, Eric Koslow, Indija-ka Siriwardena, Jason Rostoker, Siobhán, Ken Penttinen, Nathan Taylor, Barrett & Laura Nuzum, Les Aker, William McGraw, Vaso, ClareG, Rizwan Kassim, Constance Urist, Alex Hackman, Pineapples of Solidarity, Katie Dean, Stephen McCandless, Thomas Greinert, Wai Jack Sin, Ian Dundore, Caleb Weeks __ Want to find Crash Course elsewhere on the internet? Instagram - https://www.instagram.com/thecrashcourse/ Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse CC Kids: http://www.youtube.com/crashcoursekids Learn more about your ad choices. Visit megaphone.fm/adchoices

  • Tuesday · 16 min

    War and Nation Building in Latin America: Crash Course World History 225

    In which John Green teaches you about nation-building and nationalism in Latin America. Sometimes, the nations of Latin America get compared to the nations of Europe and are found wanting. This is kind of a silly comparison. The rise of democratic, economically powerful nations in Europe came about under a very different set of circumstances than the way nations arose in Latin America, so the regions are necessarily a lot different. But why? John will explore whether it was a lack of international war which impeded Latin America's growth, which sounds like a crazy thing to say, but you should hear him out. Citations: Citation 1: Centeno, Miguel Angel. Blood and Debt: War and the Nation-state in Latin America. Penn State U. Press. University Park, PA. 2002 p. 86 Citation 2: Centeno p. 90 Citation 3: Centeno p. 175 Citation 4: Centeno p. 275 Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Instagram - https://www.instagram.com/thecrashcourse/ CC Kids: http://www.youtube.com/crashcoursekids Learn more about your ad choices. Visit megaphone.fm/adchoices

  • Tuesday · 18 min

    World War II Part 2 - The Homefront: Crash Course US History #36

    In which John Green teaches you about World War 2, as it was lived on the home front. You'll learn about how the war changed the country as a whole, and changed how Americans thought about their country. John talks about the government's control of war production, and how the war probably helped to end the Great Depression. Broader implementation of the income tax, the growth of large corporations, and the development of the West Coast as a manufacturing center were also results of the war. The war positively changed the roles of women and African Americans, but it was pretty terrible for the Japanese Americans who were interred in camps. In short, World War II changed America's role in the world, changed American life at home, and eventually spawned the History Channel. Hey teachers and students - Check out CommonLit's free collection of reading passages and curriculum resources to learn more about the events of this episode. At home in America, everyone joined in the war effort, with everyone contributing to American industry: https://www.commonlit.org/texts/how-american-industry-won-world-war-ii But America had its fair share of shame, such as when the country turned away Jewish refugees on the St. Louis who would die in the Holocaust: https://www.commonlit.org/texts/jewish-refugees-on-the-st-louis During World War II, there was also a painful period of Japanese relocation and internment throughout the country: https://www.commonlit.org/texts/japanese-relocation-during-world-war-ii --- Learn more about WWII in these other Crash Course videos: Crash Course World History: World War II (38): https://www.youtube.com/watch?v=Q78COTwT7nE World War II, A War for Resources (220): https://www.youtube.com/watch?v=H-2q-QMUIgY Crash Course European History: World War II (38): https://www.youtube.com/watch?v=Hs_JMydrxZM World War II Civilians and Soldiers (39): https://www.youtube.com/watch?v=rlx6ur_D51s The Holocaust, Genocides, and Mass Murder of WWII (40): https://www.youtube.com/watch?v=iQeDvnapdlg Post-World War II Recovery (42): https://www.youtube.com/watch?v=nlp068CmQaE Crash Course Black American History: World War II (31): https://www.youtube.com/watch?v=U7wrwPnQVg4 --- Chapters: Introduction 00:00 Changes in Government Function During WWII 0:34 WWII Economic Impact 1:56 Industrialization in WWII 3:06 Women at Work 3:51 Mystery Document 4:36 FDR's Four Freedoms 5:40 The GI Bill of Rights 6:36 Free Enterprise 6:58 American Attitudes About Race During WWII 7:37 Japanese-American Internment Camps 8:54 African-Americans in WWII 9:45 Post-WWII Developments 11:21 Credits 13:48 Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Instagram - https://www.instagram.com/thecrashcourse/ CC Kids: http://www.youtube.com/crashcoursekids Learn more about your ad choices. Visit megaphone.fm/adchoices

  • Tuesday · 15 min

    Mitosis and the Cell Cycle: How Cells Clone Themselves: Crash Course Biology #29

    What’s the life of a cell like? In this episode of Crash Course Biology, we’ll follow a cell’s life cycle, from its beginning as a shiny new cell all the way to division via mitosis. We’ll learn how our cells control this process, and what happens when things go wrong. Chapters: Main Character Energy 00:00 Cellular Division 1:26 Interphase 2:36 Mitosis & Cytokinesis 5:06 The Cell Cycle Control System 8:24 Cancer 9:14 Review & Credits 9:53 This series was produced in collaboration with HHMI BioInteractive, committed to empowering educators and inspiring students with engaging, accessible, and quality classroom resources. Visit https://BioInteractive.org/CrashCourse for more information. Are you an educator looking for what NGSS Standards are covered in this episode? Check out our Educator Standards Database for Biology here: https://www.thecrashcourse.com/biologystandards Check out our Biology playlist here: https://www.youtube.com/playlist?list=PL8dPuuaLjXtPW_ofbxdHNciuLoTRLPMgB Watch this series in Spanish on our Crash Course en Español channel here: https://www.youtube.com/playlist?list=PLkcbA0DkuFjWQZzjwF6w_gUrE_5_d3vd3 Sources: https://docs.google.com/document/d/1GLDtAXE6ekg4Chk2qN3TYbNt0pJbyaHqTqRd6QY8pd4/edit?usp=sharing *** Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Leah H., David Fanska, Andrew Woods, Tawny Whaley, Sean Saunders, DL Singfield, Ken Davidian, Stephen Akuffo, Toni Miles, Steve Segreto, Kyle & Katherine Callahan, Laurel Stevens, Burt Humburg, Aziz Y, Perry Joyce, Scott Harrison, Mark & Susan Billian, Alan Bridgeman, Breanna Bosso, Matt Curls, Jennifer Killen, Starstuff42, Jon Allen, Sarah & Nathan Catchings, team dorsey, Bernardo Garza, Trevin Beattie, Eric Koslow, Indija-ka Siriwardena, Jason Rostoker, Siobhán, Ken Penttinen, Nathan Taylor, Barrett Nuzum, Les Aker, William McGraw, Vaso, ClareG, Rizwan Kassim, Constance Urist, Alex Hackman, Pineapples of Solidarity, Katie Dean, Stephen McCandless, Thomas Greinert, Wai Jack Sin, Ian Dundore, Caleb Weeks __ Want to find Crash Course elsewhere on the internet? Instagram - https://www.instagram.com/thecrashcourse/ Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse CC Kids: http://www.youtube.com/crashcoursekids Learn more about your ad choices. Visit megaphone.fm/adchoices

  • Tuesday · 12 min

    Electrochemistry: Crash Course Chemistry #36

    Chemistry raised to the power of AWESOME! That's what Hank is talking about today with Electrochemistry. Contained within, Hank discusses electrochemical reactions, half-reactions, how batteries work, galvanic cells, voltage, standard reduction potential, cell potential, electrolysis, electroplating, and the things that go into making it possible for you to watch this episode of Crash Course Chemistry! Pssst... we made flashcards to help you review the content in this episode! Find them on the free Crash Course App! Download it here for Apple Devices: https://apple.co/3d4eyZo Download it here for Android Devices: https://bit.ly/2SrDulJ -- Table of Contents Electro-Chemical Reactions 0:13 Half Reactions 1:42 How Batteries Work 1:47 Galvanic Cells 3:18 Calculating Voltage 4:12 Standard Reduction Potential 4:42 Standard Cell Potential 6:03 Electrolysis 7:24 Electroplating 7:02 -- Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Instagram - https://www.instagram.com/thecrashcourse/ CC Kids: http://www.youtube.com/crashcoursekids Learn more about your ad choices. Visit megaphone.fm/adchoices

  • Tuesday · 17 min

    Meiosis: Why Are All Humans Unique?: Crash Course Biology #30

    Ever wonder why we aren’t exact clones of our parents, or why siblings aren’t exactly alike? The reason traces back to meiosis. In this episode of Crash Course Biology, we’ll discover how egg and sperm cells get made and learn why you’re a totally unique remix of your parents’ DNA. Introduction: Why Are We All Unique? 0:00 Gametes 1:33 Meiosis 4:09 The Phases of Meiosis 4:44 Nondisjunction 7:14 Why We Aren't Clones 8:18 Meiosis & Genetic Diversity 9:49 Review & Credits 11:32 This series was produced in collaboration with HHMI BioInteractive, committed to empowering educators and inspiring students with engaging, accessible, and quality classroom resources. Visit https://BioInteractive.org/CrashCourse for more information. Are you an educator looking for what NGSS Standards are covered in this episode? Check out our Educator Standards Database for Biology here: https://www.thecrashcourse.com/biologystandards Check out our Biology playlist here: https://www.youtube.com/playlist?list=PL8dPuuaLjXtPW_ofbxdHNciuLoTRLPMgB Watch this series in Spanish on our Crash Course en Español channel here: https://www.youtube.com/playlist?list=PLkcbA0DkuFjWQZzjwF6w_gUrE_5_d3vd3 Sources: https://docs.google.com/document/d/1GLDtAXE6ekg4Chk2qN3TYbNt0pJbyaHqTqRd6QY8pd4/edit?usp=sharing *** Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: David Fanska, Andrew Woods, Sean Saunders, DL Singfield, Ken Davidian, Stephen Akuffo, Toni Miles, Steve Segreto, Kyle & Katherine Callahan, Laurel Stevens, Burt Humburg, Aziz Y, Perry Joyce, Scott Harrison, Mark & Susan Billian, Alan Bridgeman, Breanna Bosso, Matt Curls, Jennifer Killen, Starstuff42, Jon Allen, Sarah & Nathan Catchings, team dorsey, Bernardo Garza, Trevin Beattie, Eric Koslow, Indija-ka Siriwardena, Jason Rostoker, Siobhán, Ken Penttinen, Nathan Taylor, Barrett & Laura Nuzum, Les Aker, William McGraw, Vaso, ClareG, Rizwan Kassim, Constance Urist, Alex Hackman, pinapples of solidarity, Katie Dean, Stephen McCandless, Thomas Greinert, Wai Jack Sin, Ian Dundore, Caleb Weeks __ Want to find Crash Course elsewhere on the internet? Instagram - https://www.instagram.com/thecrashcourse/ Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse CC Kids: http://www.youtube.com/crashcoursekids Learn more about your ad choices. Visit megaphone.fm/adchoices

  • Tuesday · 17 min

    World War II Part 1: Crash Course US History #35

    In which John Green teaches you about World War II, a subject so big, it takes up two episodes. This week, John will teach you how the United States got into the war, and just how involved America was before Congress actually declared war. John will actually talk a little about the military tactics involved, and he'll get into some of the weaponry involved, specifically the huge amount of aerial bombing that characterized the war, and the atomic bombs that ended the war in the Pacific. Hey teachers and students - Check out CommonLit's free collection of reading passages and curriculum resources to learn more about the events of this episode. Americans entered World War II after the attack on Pearl Harbor: https://www.commonlit.org/texts/the-attack-on-pearl-harbor A call for soldiers led to an early civil rights victory, the Tuskegee Airmen: https://www.commonlit.org/texts/tuskegee-airmen America led the invasion of Normandy that would end the war, and American troops helped to liberate surviving Jews from Nazi concentration camps throughout Europe: https://www.commonlit.org/texts/liberation-of-nazi-concentration-camps --- Learn more about WWII in these other Crash Course videos: Crash Course World History: World War II (38): https://www.youtube.com/watch?v=Q78COTwT7nE World War II, A War for Resources (220): https://www.youtube.com/watch?v=H-2q-QMUIgY Crash Course European History: World War II (38): https://www.youtube.com/watch?v=Hs_JMydrxZM World War II Civilians and Soldiers (39): https://www.youtube.com/watch?v=rlx6ur_D51s The Holocaust, Genocides, and Mass Murder of WWII (40): https://www.youtube.com/watch?v=iQeDvnapdlg Post-World War II Recovery (42): https://www.youtube.com/watch?v=nlp068CmQaE Crash Course Black American History: World War II (31): https://www.youtube.com/watch?v=U7wrwPnQVg4 --- Chapters: Introduction: WWII 00:00 American Isolationism Pre-WWII 1:07 American Support for Allies in WWII 3:38 Pearl Harbor 5:03 WWII Fighting in the Pacific 5:43 WWII Fighting in Europe 6:35 Mystery Document 7:30 The End of WWII 8:38 Hiroshima, Nagasaki, & the Atomic Bomb 9:25 Credits 12:54 Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Instagram - https://www.instagram.com/thecrashcourse/ CC Kids: http://www.youtube.com/crashcoursekids Learn more about your ad choices. Visit megaphone.fm/adchoices

  • Tuesday · 15 min

    What Is Outbreak Culture? Crash Course Outbreak Science #13

    When we think of how we respond to outbreaks, we often think of physical things like vaccines or medicines, but there is another factor that is just as critical to understand: culture! Culture determines how we collaborate and use the resources at our disposal in the face of an outbreak. So in this episode of Crash Course Outbreak Science, we'll look at the ways culture impacts our outbreak response, and in turn how outbreaks can change our cultures. This episode of Crash Course Outbreak Science was produced by Complexly in partnership with Operation Outbreak and the Sabeti Lab at the Broad Institute of MIT and Harvard—with generous support from the Gordon and Betty Moore Foundation. Music: Sad Trio by Kevin MacLeod Link: https://incompetech.filmmusic.io/song/4314-sad-trio License: https://filmmusic.io/standard-license Sources: https://www.euro.who.int/__data/assets/pdf_file/0009/334269/14780_World-Health-Organisation_Context-of-Health_TEXT-AW-WEB.pdf https://link.springer.com/chapter/10.1007/978-3-030-15346-5_5 https://www.researchgate.net/profile/Giovanni-Travaglino/publication/341659861_Explaining_Compliance_with_Social_Distancing_Norms_during_the_COVID-19_Pandemic_The_Roles_of_Cultural_Orientations_Trust_and_Self-Conscious_Emotions_in_the_US_Italy_and_South_Korea/links/5ed4c8c6299bf1c67d32251d/Explaining-Compliance-with-Social-Distancing-Norms-during-the-COVID-19-Pandemic-The-Roles-of-Cultural-Orientations-Trust-and-Self-Conscious-Emotions-in-the-US-Italy-and-South-Korea.pdf https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0239795 https://gh.bmj.com/content/5/7/e002732 https://www.cambridge.org/core/journals/irish-journal-of-psychological-medicine/article/culture-counts-the-diverse-effects-of-culture-and-society-on-mental-health-amidst-covid19-outbreak-in-australia/18E900AC207F81535F8DF0EA6F31347C https://www.aph.gov.au/About_Parliament/Parliamentary_Departments/Parliamentary_Library/pubs/rp/rp9899/99Rp27 https://www.sciencedirect.com/science/article/pii/S0165032720326392?casa_token=Rs1EtVPXR1oAAAAA:ULic-Jn669YcT80_7nxnF9hGoEyrsy6HPUdWv8UaQpiDqUlXnQlIc6h8V7aCIK-95RiRkFUmlhk https://www.cdc.gov/globalhealth/stories/cdc-trained-disease.html https://www.cdc.gov/tuskegee/timeline.htm https://pubs.ciphi.ca/doi/full/10.5864/d2020-009 https://www.csmonitor.com/World/Africa/2015/0913/In-aftermath-of-Ebola-Sierra-Leone-finds-forgiveness-is-a-powerful-resource https://fambultok.org/about/our-story *** Watch our videos and review your learning with the Crash Course App! Download here for Apple Devices: https://apple.co/3d4eyZo Download here for Android Devices: https://bit.ly/2SrDulJ Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Dave Freeman, Hasan Jamal, DL Singfield, Jeremy Mysliwiec, Shannon McCone, Amelia Ryczek, Ken Davidian, Stephen Akuffo, Toni Miles, Erin Switzer, Steve Segreto, Michael M. Varughese, Kyle & Katherine Callahan, Laurel A Stevens, Vincent, Michael Wang, Stacey Gillespie, Jaime Willis, Krystle Young, Michael Dowling, Alexis B, Burt Humburg, Aziz Y, DAVID MORTON HUDSON, Perry Joyce, Scott Harrison, Mark & Susan Billian, Junrong Eric Zhu, Alan Bridgeman, Rachel Creager, Jennifer Smith, Matt Curls, Tim Kwist, Jonathan Zbikowski, Jennifer Killen, Sarah & Nathan Catchings, Brandon Westmoreland, team dorsey, Trevin Beattie, Divonne Holmes à Court, Eric Koslow, Jennifer Dineen, Indika Siriwardena, Khaled El Shalakany, Jason Rostoker, Shawn Arnold, Siobhán, Ken Penttinen, Nathan Taylor, Les Aker, William McGraw, Andrei Krishkevich, ThatAmericanClare, Rizwan Kassim, Sam Ferguson, Alex Hackman, Jirat, Katie Dean, NileMatotle, Wai Jack Sin, Ian Dundore, Justin, Jessica Wode, Mark, Caleb Weeks __ Want to find Cr Learn more about your ad choices. Visit megaphone.fm/adchoices

  • Tuesday · 1 hr 20 min

    Black American History Arts and Culture | Compilation

    Crash Course Black American History explores arts and culture! Learn about the art, literature, and political thought innovations of the Harlem Renaissance, the literature of Toni Morrison and Zora Neale Hurston, the origins of rap and hip-hop, and the poetry of Phillis Wheatley. Chapters: Harlem Renaissance: Part 1 00:00 Harlem Renaissance: Part 2 12:16 Zora Neale Hurston 25:23 The Origins of Rap & Hip Hop 35:07 Toni Morrison 49:40 Phillis Wheatley 1:01:20 *** Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: DL Singfield, Ken Davidian, Stephen Akuffo, Toni Miles, Steve Segreto, Kyle & Katherine Callahan, Laurel Stevens, Burt Humburg, Perry Joyce, Scott Harrison, Mark & Susan Billian, Alan Bridgeman, Breanna Bosso, Matt Curls, Jennifer Killen, Jon Allen, Sarah & Nathan Catchings, team dorsey, Bernardo Garza, Trevin Beattie, Eric Koslow, Indija-ka Siriwardena, Jason Rostoker, Siobhán, Ken Penttinen, Nathan Taylor, Barrett & Laura Nuzum, Les Aker, William McGraw, Vaso, ClareG, Rizwan Kassim, Constance Urist, Alex Hackman, Pineapples of Solidarity, Katie Dean, Stephen McCandless, Thomas Greinert, Wai Jack Sin ,Ian Dundore, Caleb Weeks __ Want to find Crash Course elsewhere on the internet? Instagram - https://www.instagram.com/thecrashcourse/ Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse CC Kids: http://www.youtube.com/crashcoursekids Learn more about your ad choices. Visit megaphone.fm/adchoices

  • Tuesday · 12 min

    Silicon - The Internet's Favorite Element: Crash Course Chemistry #35

    In this episode, we talk about Silicon Valley's namesake and how network solids are at the heart of it all. Hank also discusses Solid-State Semiconductors, N-Type and P-Type Semiconductors, Diodes, Transistors, Computer Chips, and Binary Code. All from the same thing that makes up sand! Pssst... we made flashcards to help you review the content in this episode! Find them on the free Crash Course App! Download it here for Apple Devices: https://apple.co/3d4eyZo Download it here for Android Devices: https://bit.ly/2SrDulJ -- Table of Contents Silicon Network Solids 1:25 Network Arrangements 1:52 Solid-State Semiconductors 5:08 N-Type and P-Type Semiconductors 5:11 Diodes and Transistors 6:10 Computer Chips and Binary Code 7:43 -- Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Instagram - https://www.instagram.com/thecrashcourse/ CC Kids: http://www.youtube.com/crashcoursekids Learn more about your ad choices. Visit megaphone.fm/adchoices

  • Tuesday · 16 min

    Intro to Genetics: Why Your Cat Looks Like That: Crash Course Biology #31

    How do traits get passed down in our DNA? And what do genes have to do with cat fur? In this episode of Crash Course Biology, we’ll untangle the simplest patterns of inheritance, and reassure our redheaded friends—you’re not going anywhere. Chapters: Are Redheads Going Extinct? 00:00 Alleles & Traits 1:32 Patterns of Inheritance 4:50 Autosomal Dominance 5:56 Incomplete Dominance 7:51 Codominance 8:47 Review & Credits 10:20 This series was produced in collaboration with HHMI BioInteractive, committed to empowering educators and inspiring students with engaging, accessible, and quality classroom resources. Visit https://BioInteractive.org/CrashCourse for more information. Are you an educator looking for what NGSS Standards are covered in this episode? Check out our Educator Standards Database for Biology here: https://www.thecrashcourse.com/biologystandards Check out our Biology playlist here: https://www.youtube.com/playlist?list=PL8dPuuaLjXtPW_ofbxdHNciuLoTRLPMgB Watch this series in Spanish on our Crash Course en Español channel here: https://www.youtube.com/playlist?list=PLkcbA0DkuFjWQZzjwF6w_gUrE_5_d3vd3 Sources: https://docs.google.com/document/d/1GLDtAXE6ekg4Chk2qN3TYbNt0pJbyaHqTqRd6QY8pd4/edit?usp=sharing Learn more about your ad choices. Visit megaphone.fm/adchoices

  • Tuesday · 19 min

    The New Deal: Crash Course US History #34

    In which John Green teaches you about the New Deal, which was president Franklin D. Roosevelt's plan to pull the United States out of the Great Depression of the 1930s. Did it work? Maybe. John will teach you about some of the most effective and some of the best-known programs of the New Deal. They weren't always the same thing. John will tell you who supported the New Deal, and who opposed it. He'll also get into how the New Deal changed the relationship between the government and citizens, and will even reveal just how the Depression ended. (hint: it was war spending) Hey teachers and students - Check out CommonLit's free collection of reading passages and curriculum resources to learn more about the events of this episode. President Roosevelt developed his New Deal policies to ease the economic burdens of the Great Depression, a grim reality he began to tackle with his first fireside chat: https://www.commonlit.org/texts/president-roosevelt-s-first-fireside-chat In his Economic Bill of Rights, FDR tried to get the country to trust its banks again: https://www.commonlit.org/texts/the-economic-bill-of-rights Chapters: Introduction: The New Deal 00:00 The New Deal 0:53 FDR's Election 1:20 The 3 R's of the New Deal 2:24 The First New Deal 3:30 The National Industrial Recovery Act 4:20 The Tennessee Valley Authority 5:15 The Agricultural Adjustment Act 5:42 Supreme Court Interventions 6:17 FDR's Court Packing Controversy 6:48 The Second New Deal 7:43 The Wagner Act & the National Labor Relations Board 7:56 Mystery Document 8:11 CIO Unions 8:49 The Social Security Act 9:49 The Works Progress Administration 10:33 Political Party Alignments in the New Deal Era 11:18 Did the New Deal end the Great Depression? 12:27 Legacy of the New Deal 13:05 Credits 14:24 Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Instagram - https://www.instagram.com/thecrashcourse/ CC Kids: http://www.youtube.com/crashcoursekids Learn more about your ad choices. Visit megaphone.fm/adchoices

  • Tuesday · 16 min

    Genetic Traits: Nature? Nurture? Not That Simple: Crash Course Biology #32

    It’s not nature versus nurture—it’s both! In this episode of Crash Course Biology, we’ll explore how complex interactions between genes and the environment shape all sorts of traits, from human skin color to honeybees’ “royal jelly.” Chapters: Nature vs. Nurture 00:00 Polygenic Traits 1:24 Complex Traits 3:31 Epigenetics & Dr. Folami Ideraabdullah 7:11 Heritability 9:14 Phenotypic Plasticity 10:10 Review & Credits 11:22 This series was produced in collaboration with HHMI BioInteractive, committed to empowering educators and inspiring students with engaging, accessible, and quality classroom resources. Visit https://BioInteractive.org/CrashCourse for more information. Are you an educator looking for what NGSS Standards are covered in this episode? Check out our Educator Standards Database for Biology here: https://www.thecrashcourse.com/biologystandards Check out our Biology playlist here: https://www.youtube.com/playlist?list=PL8dPuuaLjXtPW_ofbxdHNciuLoTRLPMgB Watch this series in Spanish on our Crash Course en Español channel here: https://www.youtube.com/playlist?list=PLkcbA0DkuFjWQZzjwF6w_gUrE_5_d3vd3 Sources: https://docs.google.com/document/d/1GLDtAXE6ekg4Chk2qN3TYbNt0pJbyaHqTqRd6QY8pd4/edit?usp=sharing Learn more about your ad choices. Visit megaphone.fm/adchoices

  • September 21 · 11 min

    Network Solids and Carbon: Crash Course Chemistry #34

    In this episode, Hank talks about Network solids and Carbon and how you can actually create a Diamond from plain old Carbon... well, YOU probably can't unless you own a bunch of elephants. It's a long story. BUT, within you will learn about Solid Networks, Diamond and Graphite Network Structures, as well as Sheet and 3D Networks. It's not making diamonds from scratch, but it's still pretty cool! Pssst... we made flashcards to help you review the content in this episode! Find them on the free Crash Course App! Download it here for Apple Devices: https://apple.co/3d4eyZo Download it here for Android Devices: https://bit.ly/2SrDulJ -- Table of Contents Solid Networks 1:54 Diamond and Graphite Network Structures 3:03 Sheet and 3D Networks 0:48 Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Instagram - https://www.instagram.com/thecrashcourse/ CC Kids: http://www.youtube.com/crashcoursekids Learn more about your ad choices. Visit megaphone.fm/adchoices

  • September 21 · 12 min

    The Integumentary System, Part 1 - Skin Deep: Crash Course Anatomy and Physiology #6

    Anatomy & Physiology continues with a look at your biggest organ - your skin. Pssst... we made flashcards to help you review the content in this episode! Find them on the free Crash Course App! Download it here for Apple Devices: https://apple.co/3d4eyZo Download it here for Android Devices: https://bit.ly/2SrDulJ Chapters: Introduction: All About Skin 00:00 Skin Layers: Epidermis, Dermis, & Hypodermis 1:30 Types of Epidermal Cells: Keratinocytes, Melanocytes, Langerhans Cells, and Merkel Cells 2:15 Layers of Skin: Stratum Corneum, Stratum Lucidum, Stratum Granulosum, Stratum Spinosum, and Stratum Basale 4:15 Layers of the Dermis: Papillary, Reticular, and Hypodermis 6:59 Review 8:48 Credits 9:18 Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Instagram - https://www.instagram.com/thecrashcourse/ CC Kids: http://www.youtube.com/crashcoursekids Learn more about your ad choices. Visit megaphone.fm/adchoices

  • September 21 · 17 min

    DNA Structure and Replication: Our Instruction Manual for Existing: Crash Course Biology #33

    Your DNA contains all the instructions your body needs to function. In this episode of Crash Course Biology, we’ll figure out what this giant instruction manual looks like and how this three-billion-letter code gets copied into your trillions of cells through DNA replication. Introduction: DNA & The Human Genome 00:00 The Structure of DNA 1:36 Chromosomes 3:51 DNA Replication 4:16 How DNA Replication Works 6:06 Mutations 7:51 The Okazakis 10:04 Review & Credits 11:23 This series was produced in collaboration with HHMI BioInteractive, committed to empowering educators and inspiring students with engaging, accessible, and quality classroom resources. Visit https://BioInteractive.org/CrashCourse for more information. Are you an educator looking for what NGSS Standards are covered in this episode? Check out our Educator Standards Database for Biology here: https://www.thecrashcourse.com/biologystandards Check out our Biology playlist here: https://www.youtube.com/playlist?list=PL8dPuuaLjXtPW_ofbxdHNciuLoTRLPMgB Watch this series in Spanish on our Crash Course en Español channel here: https://www.youtube.com/playlist?list=PLkcbA0DkuFjWQZzjwF6w_gUrE_5_d3vd3 Sources: https://docs.google.com/document/d/1GLDtAXE6ekg4Chk2qN3TYbNt0pJbyaHqTqRd6QY8pd4/edit?usp=sharing Learn more about your ad choices. Visit megaphone.fm/adchoices

  • September 21 · 18 min

    The Great Depression: Crash Course US History #33

    In which John Green teaches you about the Great Depression. So, everybody knows that the Great Depression started with the stock market crash in 1929, right? Not exactly. The Depression happened after the stock market crash, but wasn't caused by the crash. John will teach you about how the depression started, what Herbert Hoover tried to do to fix it, and why those efforts failed. Hey teachers and students - Check out CommonLit's free collection of reading passages and curriculum resources to learn more about the events of this episode. The Roaring Twenties ended with The Great Depression, a period of soul-searching for the United States dealing with a failing middle class: https://www.commonlit.org/texts/the-great-depression The issues of the Great Depression were made more difficult by the agricultural crisis known as the Dust Bowl: https://www.commonlit.org/texts/excerpt-from-on-drought-conditions Learn more about the Great Depression in episode #28 of Crash Course Black American History here: https://www.youtube.com/watch?v=f14kiGoexVg Chapters: Introduction: The Great Depression 00:00 Causes of the Great Depression 0:48 The Stock Market Crash 2:31 The Failures of America's Banking System 3:35 The Hoover Administration's Responses to the Great Depression 5:10 WWI's Global Economic Impact 5:40 Hoover and The Gold Standard 6:57 What Hoover did (and didn't) do about the Great Depression 8:13 The Reconstruction Finance Corporation 10:04 Impact of the Great Depression 10:30 Mystery Document 11:27 Accounts of the Great Depression 12:35 Credits 13:55 Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Instagram - https://www.instagram.com/thecrashcourse/ CC Kids: http://www.youtube.com/crashcoursekids Learn more about your ad choices. Visit megaphone.fm/adchoices

Showing 161–180 of 264 episodes