Tuberculosis is often thought of as an old-timey disease, but in reality, it continues to kill over a million and a half people per year, despite its known cure. How did we get here, to a world where decades of work toward a cure stalled in its dissemination around the globe? And how can understanding the history of TB point us toward a different future? If you’ve been following author and TB-hater John Green in any way for the last year or so, this video is the deep dive you’ve been waiting for… TB Fighters: You can learn more about the TB Fighters Community at https://tbfighters.org This lecture was produced thanks to the generosity of the Crash Course audience, including those who fund us on Patreon, who’ve purchased Crash Course coins, and who share Crash Course with others. Your support lets us experiment with new formats, cover lesser-known topics, and go deeper than we ever have before. Thank you! Sources: https://docs.google.com/document/d/1C8jRj6cE50pnoDyLQVGYhCWyazHz4vC-TC_KXC6tnak/edit#heading=h.4kgrhaj5zoui Chapters: The Deadliest Infectious Disease of All Time 00:00 Tuberculosis is Weird 3:36 "Man Got to Tell Himself He Understand" 7:05 The Allure of Consumption 14:46 The White Man's Plague 21:07 Treatments and the Cure 27:29 Where the Drugs Are Not 34:06 A Fundamental Mistrust 36:48 The World We Choose 45:34 The surprising history - and current dilemma - of TB *** 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, Sean Saunders, 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

To some, Marxism is the solution to all capitalism’s problems. To others, it’s a major threat to democracy. But what did Karl Marx really say about capitalism and communism, and how can that help shape our discussions today? Crash Course Political Theory #6 Introduction: "The Specter of Communism" 00:00 Who Was Marx 0:37 The Problem of Capitalism 4:17 The Mondragon Corporation 6:22 The Proletariat Revolution 8:04 Critiquing Marx 10:04 Review & Credits 11:41 Sources: https://docs.google.com/document/d/1u5zJCbVA0xCurLbQwWzcxXEdlqXAPpAyYVS1quwKIis/edit?usp=sharing *** Support us for $5/month on Patreon to keep Crash Course free for everyone forever! https://www.patreon.com/crashcourse Or support us directly: https://complexly.com/support Join our Crash Course email list to get the latest news and highlights: https://mailchi.mp/crashcourse/email Get our special Crash Course Educators newsletter: http://eepurl.com/iBgMhY Thanks to the following patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Shruti S, Quinn Harden, Ryan Lueckenotte, Spilmann Reed, Brandon Thomas, Emily Beazley, Forrest Langseth, Rie Ohta, oranjeez, juliebear , Jack Hart, UwU, Elizabeth LaBelle, Leah H., David Fanska, Andrew Woods, Kevin Knupp, Barbara Pettersen, Ken Davidian, Stephen Akuffo, Toni Miles, Steve Segreto, Kyle & Katherine Callahan, Laurel Stevens, Kristina D Knight, Samantha, Krystle Young, Perry Joyce, Scott Harrison, Alan Bridgeman, Breanna Bosso, Matt Curls, Jennifer Killen, Duncan W Moore IV, Jon Allen, Sarah & Nathan Catchings, team dorsey, Bernardo Garza, Trevin Beattie, Pietro Gagliardi, Eric Koslow, Indija-ka Siriwardena, Jason Rostoker, Siobhán, Ken Penttinen, Nathan Taylor, Barrett Nuzum, Les Aker, ClareG, Rizwan Kassim, Constance Urist, Alex Hackman, kelsey warren, Katie Dean, Jason Buster, Emily T, Stephen McCandless, Wai Jack Sin, Ian Dundore, Tandy Ratliff, 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

The word anarchy is synonymous with chaos, but what does it mean to political theorists? In this episode of Crash Course Political Theory, we explore the theories and practices of anarchism. Crash Course Political Theory #7 Introduction: 00:00 What Is Anarchy 0:42 Classical Anarchy 3:28 Collectivism 4:54 Anarchist Communism 5:39 Modern Anarchy 6:39 Review & Credits 10:30 Special thanks to Chris Boland for the use of his portrait of Rebecca Solnit / www.chrisboland.com Sources: https://docs.google.com/document/d/1u5zJCbVA0xCurLbQwWzcxXEdlqXAPpAyYVS1quwKIis/edit?usp=sharing *** Support us for $5/month on Patreon to keep Crash Course free for everyone forever! https://www.patreon.com/crashcourse Or support us directly: https://complexly.com/support Join our Crash Course email list to get the latest news and highlights: https://mailchi.mp/crashcourse/email Get our special Crash Course Educators newsletter: http://eepurl.com/iBgMhY Thanks to the following patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Shruti S, Quinn Harden, Ryan Lueckenotte, Spilmann Reed, Brandon Thomas, Emily Beazley, Forrest Langseth, Rie Ohta, oranjeez, juliebear , Jack Hart, UwU, Elizabeth LaBelle, Leah H., David Fanska, Andrew Woods, Kevin Knupp, Barbara Pettersen, Ken Davidian, Stephen Akuffo, Toni Miles, Steve Segreto, Kyle & Katherine Callahan, Laurel Stevens, Kristina D Knight, Samantha, Krystle Young, Perry Joyce, Scott Harrison, Alan Bridgeman, Breanna Bosso, Matt Curls, Jennifer Killen, Duncan W Moore IV, Jon Allen, Sarah & Nathan Catchings, team dorsey, Bernardo Garza, Trevin Beattie, Pietro Gagliardi, Eric Koslow, Indija-ka Siriwardena, Jason Rostoker, Siobhán, Ken Penttinen, Nathan Taylor, Barrett Nuzum, Les Aker, ClareG, Rizwan Kassim, Constance Urist, Alex Hackman, kelsey warren, Katie Dean, Jason Buster, Emily T, Stephen McCandless, Wai Jack Sin, Ian Dundore, Tandy Ratliff, 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

What is a cult? How are cults different from religions? And why do many religious scholars say we shouldn’t even use that label? In this episode of Crash Course Religions, we’ll learn why the line between cults and religions is much fuzzier than it seems. Introduction: Is This a Cult? 00:00 From Cult to Religion 00:36 Brainwashing 03:03 Qualities of Cults 04:04 Ditching the "Cult" Label 05:40 Harms of the "Cult" Label 07:29 Review & Credits 08:50 Sources: https://docs.google.com/document/d/1IRPhziWfx72dIlGC1xIuEPWqb_uwnumdtYnmmsR4jto/edit?usp=sharing *** Support us for $5/month on Patreon to keep Crash Course free for everyone forever! https://www.patreon.com/crashcourse Or support us directly: https://complexly.com/support Join our Crash Course email list to get the latest news and highlights: https://mailchi.mp/crashcourse/email Get our special Crash Course Educators newsletter: http://eepurl.com/iBgMhY Thanks to the following patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Brandon Thomas, Emily Beazley, Forrest Langseth, Rie Ohta, oranjeez, Jack Hart, UwU, Leah H., David Fanska, Andrew Woods, Ken Davidian, Stephen Akuffo, Toni Miles, Steve Segreto, Kyle & Katherine Callahan, Laurel Stevens, Krystle Young, 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 Nuzum, Les Aker, William McGraw, ClareG, Rizwan Kassim, Constance Urist, Alex Hackman, kelsey warren, Katie Dean, Stephen McCandless, 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

We tend to think life fits in two tidy categories: male or female, XX or XY. But it’s so much more diverse and complicated! In this episode of Crash Course Biology, we’ll discover sex and sexuality as a continuum across life. We’ll learn why humans are the only species with gender, and why same-sex mating is more common than you might think. Introduction: Sex & Gender in Humans 00:00 How Sex and Gender are different 01:15 Sex development 04:42 Differences in sex development 06:02 What is sexuality 07:46 Non-human diversity in sexuality 08:50 Review & Credits 12:12 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, 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, 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

In this episode of Crash Course Art History, we’ll keep digging into the myth of the Great Artist, with whether we can—or should—separate artists’ personal actions and beliefs from the art they create. Art historians are exploring new ways to think about artists’ relationship to their work and how to talk about controversial art. Introduction: Great Artists or Monsters? 00:00 "Great Artists" 00:48 The Romantics & Self-Portraits 01:53 The Avant-garde & Surrealism 03:10 Van Gogh & Gaugin 04:59 Artistic Collaboration 06:39 Separating Art from the Artist 07:48 Review & Credits 10:07 Image Descriptions: https://docs.google.com/document/d/1ETiCxe4GrVzFii7dBhF42oHx1EUCCh5y12wbtUjsH8A/edit Sources: https://docs.google.com/document/d/1GW2NKzhpMNMmRyAFJVhFJG9cSfUOMRL-QrcWuHcWcIA/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, 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, 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

Science offers a way of discovering and understanding the world around us, driven by questions and tested with evidence. And it’s a twisty-turny team effort— you won’t find many lone geniuses out there, or straight lines from hypothesis to conclusion. In this episode of Crash Course Biology, we’ll talk about the big picture of how scientific progress is made, from peer review to mathematical models, with some exploding eggs along the way. Chapters: Introduction to Science 00:00 The Scientific Method 2:25 Science is a Team Effort 5:18 The Scientific Theory 7:59 Peer Review 9:50 Scientific Models 11:01 Review & Credits 12:57 Sources: https://docs.google.com/document/d/1GLDtAXE6ekg4Chk2qN3TYbNt0pJbyaHqTqRd6QY8pd4/edit?usp=sharing 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 *** 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: Katie, Tori Thomas, DL Singfield, Ken Davidian, Stephen Akuffo, Toni Miles, Steve Segreto, Kyle & Katherine Callahan, Laurel Stevens, Burt Humburg, Allyson Martin, Aziz Y, Perry Joyce, Scott Harrison, Mark & Susan Billian, Alan Bridgeman, Rachel Creager, Breanna Bosso, Matt Curls, Jennifer Killen, Jon Allen, Sarah & Nathan Catchings, team dorsey, Trevin Beattie, Eric Koslow, Jennifer Dineen, Indija-ka Siriwardena, Jason Rostoker, Siobhán, Ken Penttinen, Nathan Taylor, Les Aker, William McGraw, ClareG, Rizwan Kassim, Constance Urist, Alex Hackman, Pineapples of Solidarity, Katie Dean, Stephen McCandless, Wai Jack Sin, Ian Dundore, Justin, Mark, Caleb Weeks. __ 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

When you eat a salad for lunch, you’re digging into a giant pile of plant organs. That’s right—plants are made up of organs, only theirs follow a totally different set of rules from our own. In this episode of Crash Course Botany, we’ll explore what it takes to build a plant, including roots, leaves, and stems, and how one little tomato went all the way to the U.S. Supreme Court. Chapters Introduction: Plant Organs 00:00 Stem Cells & Meristems 1:12 Stems 3:19 Leaves 4:32 Roots 6:55 Fruits & Vegetables 9:36 Review 14:23 Extra Credit 15:57 Sources: https://docs.google.com/document/d/1PB6WdUJcABAccO-U-t6ic7WbfP2z0Pr5P9a8HMr6zh4/edit?usp=sharing Check out Women of Earth from PBS Terra here: https://youtube.com/playlist?list=PLnNZYWyBGJ1GtO7rajhe7u7dj-PegxDc5 *** 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: Tawny Whaley, Sean Saunders, Katie, Tori Thomas, 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, Rachel Creager, Breanna Bosso, Matt Curls, Jennifer Killen, Jon Allen, Sarah & Nathan Catchings, team dorsey, Trevin Beattie, Eric Koslow, Jennifer Dineen, Indija-ka Siriwardena, Jason Rostoker, Ken Penttinen, Nathan Taylor, Les Aker, William McGraw, ClareG, Rizwan Kassim, Constance Urist, Alex Hackman, Pineapples of Solidarity, Katie Dean, Stephen McCandless, Wai Jack Sin, Ian Dundore, Caleb Weeks __ 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

Climate change has no bias, but our societies and systems do. And although it’s a danger to all of us, a changing climate affects some groups disproportionately, raising issues of justice and equity. In this episode of Crash Course Climate and Energy, we’ll take a look at the ways injustice within societal structures causes climate change to affect some more than others and discuss some of the work that environmental justice advocates are doing in response. Chapters: Introduction: The Rohingya & Climate Inequality 00:00 How Climate Affects Our Lives 1:45 Climate Justice 3:22 Redlining & Climate Inequality 7:18 Social Inequality & The Climate 9:43 Renewable Energy & Inequality 12:15 Review & Credits 13:21 Sources: https://docs.google.com/document/d/1rRJ-L9TLNfPwPfzn3LdjDEw-wHtThwTfDUe2rDtFXQQ/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: Katie, Tori Thomas, DL Singfield, Amelia Ryczek, Ken Davidian, Stephen Akuffo, Toni Miles, Steve Segreto, Kyle & Katherine Callahan, Laurel Stevens, Burt Humburg, Allyson Martin, Aziz Y, Perry Joyce, Scott Harrison, Mark & Susan Billian, Alan Bridgeman, Rachel Creager, Breanna Bosso, Matt Curls, Jennifer Killen, Jon Allen, Sarah & Nathan Catchings, team dorsey, Trevin Beattie, Eric Koslow, Jennifer Dineen, Indija-ka Siriwardena, Jason Rostoker, Siobhán, Ken Penttinen, Nathan Taylor, Les Aker, William McGraw, ClareG, Rizwan Kassim, Constance Urist, Alex Hackman, kelsey warren, Katie Dean, Stephen McCandless, Thomas Greinert, Wai Jack Sin, Ian Dundore, Justin, Mark, Caleb Weeks __ 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