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CrashCourse episodes

  • Introduction to Biology: Crash Course Biology #1

    Biology is the study of life—a four-letter word that connects you to 4 billion years worth of family tree. The word “life” can be tricky to define, but a shared set of characteristics helps biologists identify living things. In this episode of Crash Course Biology, you’ll learn how all of life is connected, and why studying biology can help us better understand ourselves and our relationship to all living things.

    Chapters:
    Welcome to Crash Course Biology! 00:00
    Life's Characteristics 2:14
    Is a Virus Alive? 6:18
    Life Beyond Earth 8:52
    Biology and You 10:03
    All Life is Connected 10:44
    Review & Credits 11:59

    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.

    Check out a free collection of kahoots based on this video here: https://create.kahoot.it/course/ccc14ccd-b511-4c6a-bd54-30965b18e530

    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

    Crash Course Biology is hosted by Dr. Samuel Ramsey. Learn more about him here: https://www.drsammy.online/

    ***
    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.
    __

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    19 min
  • Don't Reanimate Corpses! Frankenstein Part 1: Crash Course Literature 205

    In which John Green teaches you about Mary Shelley's novel, Frankenstein. Sure, you know Frankenstein the cultural phenomenon, but how much do you know about the novel that started it all? You'll learn about the Romantic movement in English lit, of which Frankenstein is a GREAT example, and you'll learn that Frankenstein might just be the first SciFi novel. Once again, literature comes down to just what it means to be human. John will review the plot, take you through a couple of different critical readings of the novel, and will discuss the final disposition of Percy Shelley's heart.

    Consider supporting local bookstores by purchasing your books through our Bookshop affiliate link https://bookshop.org/shop/complexly​ or at your local bookseller.


    Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse

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    19 min
  • Constitutional Compromises: Crash Course Government and Politics #5

    In which Craig Benzine teaches you about the compromises met in ratifying the U.S. Constitution. The United States didn’t always have its current system of government. Actually, this is its second attempt. Craig will delve into the failures (and few successes) of the Articles of Confederation, tell you how delegates settled on a two-house system of representation, discuss the issues of slavery and population that have been embedded into our constitution, and fire up the clone machine to discuss how federalists and anti-federalist opposition provided the U.S. a Bill of Rights. And who knows, maybe all this talk of compromise will even inspire Craig and eagle to find some middle ground.


    Produced in collaboration with PBS Digital Studios: http://youtube.com/pbsdigitalstudios
    Support is provided by Voqal: http://www.voqal.org

    Chapters:
    Introduction: The Constitution 00:00
    The Articles of Confederation: Precursor to the Constitution 0:28
    Why did the Articles of Confederation fail? 1:15
    The Northwest Ordinance of 1787 2:06
    The Virginia Plan 2:35
    The New Jersey Plan 3:14
    The Connecticut Compromise / The Great Compromise 3:30
    The 3/5ths Compromise 4:00
    Ratification of the U.S. Constitution 5:22
    Federalists vs. Anti-Federalists 6:09
    The Bill of Rights 7:36
    Credits 8:23

    Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse

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    Facebook - http://www.facebook.com/YouTubeCrashCourse
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    14 min
  • The Scientific Method: Crash Course Biology #2

    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.

    Check out a free collection of kahoots based on this video here: https://create.kahoot.it/course/4a5d6df0-1d7b-4b6b-81b4-708faa9b6e00

    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.
    __

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    22 min
  • Consciousness: Crash Course Psychology #8

    What exactly is consciousness? Well... that's kind of a gray area. In this episode of Crash Course Psychology, Hank gives you the basic ideas of what consciousness is, how our attention works, and why we shouldn't text and drive... ever... no, really, NEVER!

    Want more videos about psychology? Check out our sister channel SciShow Psych at https://www.youtube.com/scishowpsych!
    --
    Chapters:
    Introduction: What is Consciousness? 00:00
    States of Consciousness 1:51
    Cognitive Neuroscience & Neuroimaging 2:16
    Dual Processing 3:33
    Selective Attention 4:23
    Inattentional Blindness 6:13
    How Magicians Use Psychology 7:08
    Review & Credits 8:38
    --

    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
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    CC Kids: http://www.youtube.com/crashcoursekids

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    14 min
  • The US Constitution, 3/5, and the Slave Trade Clause: Crash Course Black American History #9

    The drafting and adoption of the United States Constitution recalled many of the high ideals of liberty and freedom that were espoused during the Revolutionary War. But the compromises that were made to get all of the new states on board to ratify the Constitution undermined those ideals in a lot of ways. Today we'll learn about the 3/5 Clause and the Fugitive Slave clause, which entrenched the institution of slavery in the fundamental law of the new United States.

    Clint's book, How the Word is Passed is available now! https://bookshop.org/a/3859/9780316492935

    VIDEO SOURCES

    -David Waldstreicher, From Revolution to Ratification (New York: Hill & Wang, 2009)John Hope Franklin, From Slavery to Freedom: A History of Negro Americans, 3rd ed. (New York: Knopf, 1967).
    Interpretation: The Slave Trade Clause | The National Constitution Center, , https://constitutioncenter.org/interactive-constitution/interpretation/article-i/clauses/761 (last visited Nov 13, 2020).
    -Article 1 Section 9 Clause 1 | Constitution Annotated | Congress.gov | Library of Congress, , https://constitution.congress.gov/browse/article-1/section-9/clause-1/ (last visited Nov 13, 2020).


    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:

    Michael M. Varughese, Ben Follows, Kyle & Katherine Callahan, Laurel A Stevens, Chris Routh, Evan Lawrence Henderson, Vincent, Emilee Murphy, Michael Wang, Jordan willis, Krystle Young, Michael Dowling, Alexis B, Rene Duedam, Burt Humburg, Aziz, Nick, 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, Indika Siriwardena, Khaled El Shalakany, Jason Rostoker, Shawn Arnold, Siobhán, Ken Penttinen, Nathan Taylor, William McGraw, Andrei Krishkevich, ThatAmericanClare, Rizwan Kassim, Sam Ferguson, Alex Hackman, Eric Prestemon, Jirat, Katie Dean, TheDaemonCatJr, Wai Jack Sin, Ian Dundore, Matthew, Jason A Saslow, Justin, Jessica Wode, Mark, Caleb Weeks
    __

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    #crashcourse #history #constitution

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    15 min
  • What Do These Creepy Plant Mouths Do? (Plant Tissues): Crash Course Botany #4

    Plants—they’re just like us! Well, not exactly, but they do have skin and hair like us…even if they also have creepy little alien mouths. In this episode of Crash Course Botany, we’re getting up close and personal with plants’ anatomy by diving right into plant tissue under a microscope. Let’s learn what plants are really made of.

    Chapters:
    Dr. Katherine Esau 00:00
    Plant Tissues 1:29
    Dermal Tissue 2:09
    Vascular Tissue 3:59
    Ground Tissue 5:50
    Under the Microscope 7:44
    Review & Credits 11:10

    Sources: https://docs.google.com/document/d/1PB6WdUJcABAccO-U-t6ic7WbfP2z0Pr5P9a8HMr6zh4/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:
    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
    __

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    18 min
  • Photosynthesis and Cellular Respiration: Crash Course Botany #5

    Plants and trees may seem pretty passive, but behind the scenes, their cells are working hard to put on a magic show. In this episode of Crash Course Botany, we’ll explore how the processes of photosynthesis and cellular respiration work, why they’re so critical for all life on Earth, and how they’re helping us to forge a greener path to the future.

    Chapters:
    Plants' Magic Show 00:00
    Photosynthesis 1:27
    The Light-Dependent Reactions 3:02
    The Light-Independent Reactions 4:18
    Cellular Respiration 5:32
    Biofuels 8:50
    Review & Credits 11:43

    Special thanks to Hannah Bodenhausen for additional post-production support on this episode!

    Sources: https://docs.google.com/document/d/1PB6WdUJcABAccO-U-t6ic7WbfP2z0Pr5P9a8HMr6zh4/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, Tawny Whaley, Sean Saunders, Katie, 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, 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, Mark, Caleb Weeks.
    __

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    19 min
  • Perceiving is Believing: Crash Course Psychology #7

    So what does perception even mean? What's the difference between seeing something and making sense of it? In today's episode of Crash Course Psychology, Hank gives us some insight into the differences between sensing and perceiving.

    Want more videos about psychology? Check out our sister channel SciShow Psych at https://www.youtube.com/scishowpsych!
    --
    Chapters:
    Introduction 00:00
    Perception: Your Mind's Eye 1:06
    Perceptual Set 1:53
    Optical Illusions 3:13
    Form Perception & Figure-Ground Relationships 3:44
    Rules of Grouping: Proximity, Continuity, & Closure 4:53
    Depth Perception 5:40
    Binocular vs. Monocular Visual Cues 6:11
    Motion Perception 7:50
    Perceptual Constancy 8:15
    Review & Credits 9:12
    --

    Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse

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    15 min
  • What Biologists Do: Crash Course Biology #3

    A biologist’s natural habitat is anywhere questions about life are being asked—whether the subject is a nematode or a narwhal, a single cell, or a whole ecosystem. In this episode of Crash Course Biology, we’re flipping the microscope around to show how biologists’ work goes down. Along the way, we’ll learn why zebrafish and fruit flies are some of biology’s next top models.

    Chapters:
    Studying Life 00:00
    Your Local Biologist 1:20
    Biologists At Work 3:05
    Real Life Biologists 5:17
    Model Organisms 8:49
    Review & Credits 11:10

    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

    Sources: https://docs.google.com/document/d/1GLDtAXE6ekg4Chk2qN3TYbNt0pJbyaHqTqRd6QY8pd4/edit?usp=sharing

    ***
    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:
    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?
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    18 min

About CrashCourse

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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…