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/text....s/president-roosevel
In his Economic Bill of Rights, FDR tried to get the country to trust its banks again: https://www.commonlit.org/text....s/the-economic-bill-

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

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Our next stop on our tour of ethics is Kant’s ethics. Today Hank explains hypothetical and categorical imperatives, the universalizability principle, autonomy, and what it means to treat people as ends-in-themselves, rather than as mere means.

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All other images and video either public domain or via VideoBlocks, or Wikimedia Commons, licensed under Creative Commons BY 4.0: https://creativecommons.org/licenses/by/4.0/

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This week we explore the final ethical theory in this unit: Aristotle’s virtue theory. Hank explains the Golden Mean, and how it exists as the midpoint between vices of excess and deficiency. We’ll also discuss moral exemplars, and introduce the concept of “eudaimonia.”

--

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Today, Craig is going to give you an overview of civil rights and civil liberties. Often these terms are used interchangeably, but they are actually very different. Our civil liberties, contained in the Bill of Rights, once only protected us from the federal government, but slowly these liberties have been incorporated to protect us from the states. We’ll take a look at how this has happened and the supreme court cases that got us here.

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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.

Check out our Biology playlist here: https://www.youtube.com/playli....st?list=PL8dPuuaLjXt

Watch this series in Spanish on our Crash Course en Español channel here: https://www.youtube.com/playli....st?list=PLkcbA0DkuFj

Sources: https://docs.google.com/docume....nt/d/1GLDtAXE6ekg4Ch

***
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We make small choices like what to eat for lunch, but we also have to set goals, pick a career, and decide how to invest our hard-earned money. It’s not easy! We don’t want to make a decision out of fear, rather than doing what’s best for us. And we don’t want to regret a big choice and dwell on the “what ifs” either.

So today, we’re going to take a step back, understand how to really look at the decisions we’re making, and learn what not to do when facing a difficult choice.

***

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Today, Craig is going to dive into the controversy of monetary and fiscal policy. Monetary and fiscal policy are ways the government, and most notably the Federal Reserve, influences the economy - for better or for worse. So we’re going to start by looking at monetary policy, and specifically how the Federal Reserve uses interests rates as a means of controlling (or at least attempting to control) inflation. We’ll then move onto fiscal policy - that is the government’s use of taxation to raise and spend money. It’s all, well, pretty controversial, but as it seems Americans hate taxes the most, monetary policy is most often used - meaning that the Federal Reserve plays a hugely significant role in steering the U.S. economy.

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This week Craig talks about police searches and seizures. Now, the fourth amendment says that you have the right to be protected against "unreasonable searches and seizures" but what exactly does this mean? Well, it's complicated. The police often need warrants issued with proof of probable cause, but this isn't always the case - such as when you're pulled over for a moving violation. We'll finish up with the limitations of these protections and discuss one group of people in particular that aren't protected equally - students.

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In which John Green concludes teaching you about Chinua Achebe's Things Fall Apart. You'll learn about the historical contexts of Things Fall Apart, including 19th-century colonization and 20th-century decolonization. We're going to learn a little bit about Achebe's childhood between two cultures, cover Okonkwo's sad, sad end, and even learn a little about The Babysitters Club.

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


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How do art and morality intersect? Today we look at an ethically questionable work of art and discuss R. G. Collingwood’s view that art is best when it helps us live better lives. We’ll go over Aristotle’s concept of catharsis and how it can resolve the problem of tragedy. We are also exploring the paradox of fiction and the debate between autonomism and moralism.

--

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This week, we're learning about sonnets, and English Literature's best-known purveyor of those fourteen-line paeans, William Shakespeare. We'll look at a few of Willy Shakes's biggest hits, including Sonnet 18, "Shall I compare thee to a summer's day," Sonnet 116, "Let me not to the marriage of true minds admit impediment," and Sonnet 130, "My mistresses's eyes are nothing like the sun." We'll talk about what makes a sonnet, a little bit about their history, and even a little bit about how reading poetry helps us understand how to be human beings.

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

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

In which John Green kicks off Crash Course US History! Why, you may ask, are we covering US History, and not more World History, or the history of some other country, or the very specific history of your home region? Well, the reasons are many. But, like it or not, the United States has probably meddled in your country to some degree in the last 236 years or so, and that means US History is relevant all over the world. In episode 1, John talks about the Native Americans who lived in what is now the US prior to European contact. This is a history class, not archaeology, so we're mainly going to cover written history. That means we start with the first sustained European settlement in North America, and that means the Spanish. The Spanish have a long history with the natives of the Americas, and not all of it was positive. The Spanish were definitely not peaceful colonizers, but what colonizers are peaceful? Colonization pretty much always results in an antagonistic relationship with the locals. John teaches you about early Spanish explorers, settlements, and what happened when they didn't get along with the indigenous people. The story of their rocky relations has been called the Black Legend. Which is not a positive legend.

Chapters:
Introduction to Crash Course US History 00:00
Native North Americans 0:45
Were Native North Americans 'Primitive?' 1:08
Native North American Populations 1:52
Life in Pre-Columbian America 3:06
Class and Society in Native American Tribes 4:25
Spanish Colonization in North America 5:32
Mystery Document 7:58
The Problem with the Black Legend 9:31
Credits 10:46

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Honestly, “spreadsheets” are kind of the vegetables of the business world -- the very idea of them makes some people queasy. But that’s ok! They can be intimidating, but they’re not impossible to understand. Today we’re going to learn to love ‘em, because basic accounting can make or break a business. If we lose track of expenses or overestimate a revenue stream, we might end up questioning where all the money has gone.

Software Advice: https://blog.hubspot.com/sales..../small-business-acco

***

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Thanks to the following patrons for their generous monthly contributions that help keep Crash Course free for everyone forever:

Eric Prestemon, Sam Buck, Mark Brouwer, Indika Siriwardena, Avi Yashchin, Timothy J Kwist, Brian Thomas Gossett, Haixiang N/A Liu, Jonathan Zbikowski, Siobhan Sabino, Zach Van Stanley, Jennifer Killen, Nathan Catchings, Brandon Westmoreland, dorsey, Kenneth F Penttinen, Trevin Beattie, Erika & Alexa Saur, Justin Zingsheim, Jessica Wode, Tom Trval, Jason Saslow, Nathan Taylor, Khaled El Shalakany, SR Foxley, Sam Ferguson, Yasenia Cruz, Eric Koslow, Tim Curwick, David Noe, Shawn Arnold, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore
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How do astronomers make sense of the vastness of space? How do they study things so far away? Today Phil talks about distances, going back to early astronomy. Ancient Greeks were able to find the size of the Earth and from that the distance to and the sizes of the Moon and Sun. Once the Earth/Sun distance was found, parallax was used to find the distance to nearby stars, and that was bootstrapped using brightness to determine the distances to much farther stars.

Check out the Crash Course Astronomy solar system poster here: http://store.dftba.com/product....s/crashcourse-astron

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Chapters:
Introduction 00:00
How did we calculate the Earth's Size? 1:07
THE Astronomical Unit (AU) = 149,597,870.7 km 3:12
Depth Perception & Parallax 5:39
Light Years & Parsecs 7:31
Brightness Indicates Distance 9:07
Review 10:30
--

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Follow Phil on Twitter: https://twitter.com/badastronomer

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--

PHOTOS/VIDEOS
Lunar Ecplise http://www.slate.com/content/d....am/slate/blogs/bad_a [credit: Phil Plait]
Venus & Mercury [credit: Phil Plait]
Venus Transit https://www.youtube.com/watch?v=34mXua1n_FQ [credit: NASA]
Black Drop Venus Transit https://en.wikipedia.org/wiki/....Black_drop_effect#me [credit: Wikimedia Commons, H. Raab, Johannes-Kepler-Observatory]
New Horizons Approaching Pluto and Charon https://en.wikipedia.org/wiki/....New_Horizons#/media/ [credit: NASA/JHU APL/SwRI/Steve Gribben]
Radio Telescopes Diagram http://scitechdaily.com/images..../Radio-Telescopes-Se [credit: Alexandra Angelich, NRAO/AUI/NSF]
61 Cygni https://archive.stsci.edu/cgi-bin/dss_search?v=poss1_red&r=21+06+54.60&d=%2B38+44+44.9&e=J2000&h=30&w=30&f=gif&c=none&fov=NONE&v3= [credit: Caltech / National Geographic Society / STScI]
Proxima Centauri https://www.spacetelescope.org/images/potw1343a/ [credit: ESA/Hubble & NASA]
Dying Star http://www.nasa.gov/images/con....tent/64884main_image [credit: NASA, ESA, HEIC, and The Hubble Heritage Team (STScI/AURA)]
Exploding Star http://www.nasa.gov/multimedia..../imagegallery/image_ [credit: NASA, ESA, J. Hester, A. Loll (ASU)]
Animation of a Variable Star http://www.spacetelescope.org/videos/heic1323j/ [credit: NASA, ESA, M. Kornmesser]
Hubble's High-Definition Panoramic View of the Andromeda Galaxy http://hubblesite.org/newscent....er/archive/releases/ [credit: NASA, ESA, J. Dalcanton, B.F. Williams, and L.C. Johnson (University of Washington), the PHAT team, and R. Gendler]

We’ve all heard the phrase “opposites attract.” It may or may not be true for people, but it’s definitely true in organic chemistry. In this episode of Crash Course Organic Chemistry, we’re learning about electronegativity, polarity, resonance structures, and resonance hybrids. We’ll practice a very important skill for this course that will help us avoid a lot of memorization in the future: electron pushing. It’ll be a lot of trial and error at first, but we all start somewhere!

Episode Sources:
“THINK BIG! Must the molecules of life always be Left-Handed or Right-Handed?” Smithsonian Magazine.
Spinoff 2004 - “A NATURAL WAY TO STAY SWEET”, NASA.

Series Sources:
Brown, W. H., Iverson, B. L., Ansyln, E. V., Foote, C., Organic Chemistry; 8th ed.; Cengage Learning, Boston, 2018.
Bruice, P. Y., Organic Chemistry, 7th ed.; Pearson Education, Inc., United States, 2014.
Clayden, J., Greeves, N., Warren., S., Organic Chemistry, 2nd ed.; Oxford University Press, New York, 2012.
Jones Jr., M.; Fleming, S. A., Organic Chemistry, 5th ed.; W. W. Norton & Company, New York, 2014.
Klein., D., Organic Chemistry; 1st ed.; John Wiley & Sons, United States, 2012.
Louden M., Organic Chemistry; 5th ed.; Roberts and Company Publishers, Colorado, 2009.
McMurry, J., Organic Chemistry, 9th ed.; Cengage Learning, Boston, 2016.
Smith, J. G., Organic chemistry; 6th ed.; McGraw-Hill Education, New York, 2020.
Wade., L. G., Organic Chemistry; 8th ed.; Pearson Education, Inc., United States, 2013.

***
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Thanks to the following patrons for their generous monthly contributions that help keep Crash Course free for everyone forever:

Phil Simmons, Alexander Thomson, Mark & Susan Billian, Eric Z, Alan Bridgeman, Jennifer Smith, Matt Curls, Tim Kwist, Ron Lin, Jonathan Zbikowski, Jennifer Killen, Sarah & Nathan Catchings, Brandon Westmoreland, dorsey, Trevin Beattie, Eric Prestemon, Yasenia Cruz, Eric Koslow, Indika Siriwardena, Khaled El, Shalakany, Shawn Arnold, Tom Trval, Siobhán, Ken Penttinen, Nathan Taylor, William McGraw, Justin Zingsheim, Andrei Krishkevich, Jirat, Brian Thomas Gossett, SR Foxley, Ian Dundore, Jason A Saslow, Jessica Wode, Mark, Caleb Weeks, Sam Buck, Catherine Conroy, Patty Laqua, Leonora Rossé Muñoz, Stephen Saar, John Lee
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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/text....s/the-attack-on-pear
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/text....s/liberation-of-nazi

---
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


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In which John Green teaches you about what westerners call the middle ages and the lives of the aristocracy...in Japan. The Heian period in Japan lasted from 794CE to 1185CE, and it was an interesting time in Japan. Rather than being known for a thriving economy, or particularly interesting politics, the most important things to come out of the Heian period were largely cultural. There was a flourishing of art and literature in the period, and a lot of that culture was created by women. The Tale of Genji by Murasaki Shikibu was the classic piece of literature of the day, and it gave a detailed look into the way the Aristocrats of the Heian period lived. While this doesn't give a lot of insight into the lives of daily people, it can be very valuable, and the idea of approaching history from a cultural perspective is a refreshing change from the usual military or political history that survives from so many eras.

Citation 1: Morris, Ivan, The World of the Shining Prince: Court Life in Ancient Japan. Vintage Books. 2013. p. 5
Citation 2: Morris, p. 14
Citation 3: Morris, p. 67
Citation 4: Morris, p. 114
Citation 5: Morris, p. 147
Citation 6: Quoted in Morris, p. 112
Citation 7: Morris, p. 198

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In 1955, the Supreme Court ruled unanimously that public schools should be racially integrated, and overturned the separate but equal doctrine established in Plessy v Ferguson decades before. This was made possible by a concerted legal effort spearheaded by the NAACP. Beginning in the 1930s, the NAACP's legal defense fund (led by Thurgood Marshall at the time of the Brown Decision) pursued a strategy of bringing cases to court that would expand the civil rights of Black Americans. This multi-decade effort culminated in the Brown decision, with many other victories along the way.

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

VIDEO SOURCES

Rachel Devlin, A Girl Stands at the Door: The Generation of Young Women Who Desegregated America's Schools. New York: Basic Books, 2018.
Justin Driver, The Schoolhouse Gate: Public Education, the Supreme Court, and the Battle for the American Mind. New York: Pantheon Books, 2018.
Charles Ogletree, Jr. All Deliberate Speed: Reflections on the First Half-Century of Brown V. Board of Education. New York: W.W. Norton & Co., 2004.
James T. Patterson, Brown v. Board of Education: A Civil Rights Milestone and Its Troubled Legacy. Oxford: Oxford University Press, 2002.
https://www.britannica.com/bio....graphy/Thurgood-Mars
https://www.law.virginia.edu/s....tatic/uvalawyer/html
Klarman, Michael J. "How Brown Changed Race Relations: The Backlash Thesis." The Journal of American History 81, no. 1 (1994): 81-118. Accessed July 29, 2021. doi:10.2307/2080994.
https://www.npr.org/sections/t....hetwo-way/2018/03/26
https://www.nps.gov/people/oliver-brown.htm


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Gamma-ray bursts are not only incredible to study, but their discovery has an epic story all its own. Today Phil takes you through some Cold War history and then dives into what we know. Bursts come in two rough varieties: Long and short. Long ones are from hypernovae, massive stars exploding, sending out twin beams of matter and energy. Short ones are from merging neutron stars. Both kinds are so energetic they are visible for billions of light years, and both are also the birth announcements of black holes.

Check out the Crash Course Astronomy solar system poster here: http://store.dftba.com/product....s/crashcourse-astron

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Chapters:
Introduction 00:00
Gamma Ray Bursts and the Cold War 00:45
Where Do Gamma Ray Bursts Come From? 3:26
What Causes Gamma Ray Bursts? 6:11
Kinds of Gamma Ray Bursts: Long and Short 8:35
What Would Happen if a Gamma Ray Burst Hit Earth? 10:24
Review 12:53
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PBS Digital Studios: http://youtube.com/pbsdigitalstudios

Follow Phil on Twitter: https://twitter.com/badastronomer

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PHOTOS/VIDEOS
Nuclear Bomb Images via Wikimedia Commons:
Operation Upshot Knothole https://en.wikipedia.org/wiki/....File:Operation_Upsho
Ivy Mike https://en.wikipedia.org/wiki/File:IvyMike2.jpg
Castle Bravo https://en.wikipedia.org/wiki/....Castle_Bravo#/media/
Upshot Knothole GRABLE https://en.wikipedia.org/wiki/....File:Upshot-Knothole
President Kennedy signs the Limited Nuclear Test Ban Treaty https://en.wikipedia.org/wiki/....Partial_Nuclear_Test [credit: Wikimedia Commons]
Vela http://www.losangeles.af.mil/s....hared/media/photodb/ [credit: USAF]
The Crab Nebula https://www.nasa.gov/multimedi....a/imagegallery/image [credit: NASA, ESA, J. Hester, A. Loll (ASU)]
Solar Flare http://www.nasa.gov/mission_pa....ges/sunearth/news/Ne [credit: NASA/SDO/AIA]
Gamma Ray Burst http://svs.gsfc.nasa.gov/cgi-b....in/details.cgi?aid=2 [credit: NASA/Goddard Space Flight Center Conceptual Image Lab]
Four ALMA antennas on the Chajnantor plain http://www.eso.org/public/images/alma-jfs-2010-10/ [credit: ESO/José Francisco Salgado (josefrancisco.org)]
Gamma Ray Burst 970228 https://www.spacetelescope.org/images/opo9730b/ [credit: Andrew Fruchter (STScI), Elena Pian (ITSRE-CNR), and NASA/ESA]
HST/STIS Image of the optical afterglow of w:GRB 970508 https://en.wikipedia.org/wiki/....GRB_970508#/media/Fi [credit: STScI/NASA]
Black Holes: Monsters in Space http://www.nasa.gov/mission_pa....ges/nustar/multimedi [credit: NASA/JPL-Caltech]
Naked-Eye Gamma-ray Burst Model for GRB 080319B http://svs.gsfc.nasa.gov/cgi-b....in/details.cgi?aid=1 [credit: NASA/Swift/Cruz deWilde]
2008 GRB http://www.nasa.gov/images/con....tent/218810main_grb_ [credit: NASA/Swift/Stefan Immler, et al.]
GRB Data http://www.nasa.gov/images/con....tent/134782main_GRB_ [credit: NASA]
Imagine two massive stars born together as a binary star http://chandra.harvard.edu/pho....to/2005/j0806/wd_lg. [credit: NASA/GSFC/D. Berry]
Colliding Binary Neutron stars http://chandra.harvard.edu/res....ources/animations/ne [credit: NASA/D.Berry]
Black Hole Devours a Neutron Star http://chandra.harvard.edu/res....ources/animations/ne [credit: NASA/D.Berry]
Eta Carinae https://en.wikipedia.org/wiki/....Eta_Carinae#/media/F [credit: Jon Morse (University of Colorado) & NASA Hubble Space Telescope]
WR 104: A Pinwheel Star System http://apod.nasa.gov/apod/ap140603.html [credit: P. Tuthill (U. Sydney) & J. Monnier (U. Michigan), Keck Obs., ARC, NSF]
Swift HD Beauty Shot http://svs.gsfc.nasa.gov/cgi-b....in/details.cgi?aid=1 [credit: NASA/Goddard Space Flight Center]
Swift's 500 Gamma-ray Bursts http://svs.gsfc.nasa.gov/cgi-b....in/details.cgi?aid=1 [credit: NASA/Goddard Space Flight Center]

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/text....s/the-great-depressi
The issues of the Great Depression were made more difficult by the agricultural crisis known as the Dust Bowl: https://www.commonlit.org/text....s/excerpt-from-on-dr

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

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