Top videos

Teacherflix
2 Views · 2 years ago

Organic reactions are kind of like carefully choreographed fight scenes, and nucleophilic attack is a key move. This episode of Crash Course Organic Chemistry is all about nucleophiles and electrophiles, or what happens at those molecular hot spots we’ve been talking about. We’ll also learn about what IR spectra can tell us about reactions, and how cyanide is more than just a poison from mystery stories. Let’s get to it organophiles!

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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Catherine Conroy, Patty Laqua, Leonora Rossé Muñoz, Stephen Saar, John Lee, Phil Simmons, Alexander Thomson, Mark & Susan Billian, Junrong Eric Zhu, Alan Bridgeman, Jennifer Smith, Matt Curls, Tim Kwist, Ron Lin, Jonathan Zbikowski. Jennifer Killen, Sarah & Nathan Catchings, Brandon Westmoreland, team dorsey, Trevin Beattie, Eric Prestemon, Sam Ferguson, 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
--

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Teacherflix
2 Views · 2 years ago

Today we’re going to talk about climate change which is when there is a change in the average weather patterns in a region over a long period of time - these changes can be natural or human-caused. We’ll discuss the main driving forces of climate change in the past and show you how what’s happening now is unlike anything in the past. Global warming, or when there is an increase in the average surface temperature of the planet, has been well-documented since the Industrial Revolution, and scientists have concluded that there is a 95% probability that human activities like burning fossil fuels, industrialization, modern agriculture, and deforestation have caused most of this most recent warming. And while individual actions do matter in helping to curb the disastrous implications of a warming planet, it’s also up to us to hold corporations and governments responsible for the policies and the large-scale emissions that play a disproportionate role in impacting our atmosphere and climate.

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:

Alexis B, Rene Duedam, Burt Humburg, Aziz, Nick, DAVID MORTON HUDSON, Perry Joyce, Scott Harrison, Mark & Susan Billian, Junrong Eric Zhu, Alan Bridgeman, Jennifer Smith, Matt Curls, Tim Kwist, Jonathan Zbikowski, Jennifer Killen, Sarah & Nathan Catchings, Brandon Westmoreland, team dorsey, Trevin Beattie, Eric Koslow, Indika Siriwardena, Khaled El Shalakany, Shawn Arnold, Siobhán, Ken Penttinen, Nathan Taylor, William McGraw, Laura Damon, Andrei Krishkevich, Sam Ferguson, Eric Prestemon, Jirat, Brian Thomas Gossett, Wai Jack Sin, Ian Dundore, Jason A Saslow, Justin, Jessica Wode, Mark, Caleb Weeks
__

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#CrashCourse #Geography #Climate

Teacherflix
2 Views · 2 years ago

In which John Green teaches you about the poetry of Langston Hughes. Langston Hughes was a poet and playwright in the first half of the 20th century, and he was involved in the Harlem Renaissance, which was a cultural movement among African Americans of the time that produced all kinds of great works in literature, poetry, painting, sculpture, music, and other areas. The Harlem Renaissance mainly happened in Harlem, the traditionally black neighborhood in upper Manhattan in New York City. Langston Hughes was primarily known as a poet, but he was involved deeply in the movement itself as well. John will teach you a bit about Hughes's background, and he'll examine a few of his best-known poems.

Learn more about Langston Hughes and the Harlem Renaissance in Episode #26 of Crash Course Black American History: https://www.youtube.com/watch?v=vKaegbtcE00

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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Teacherflix
2 Views · 2 years ago

Hank guides us through the process of natural selection, the key mechanism of evolution.

Table of Contents:
1) Natural Selection 1:27
2) Adaptation 2:56
3) Fitness 3:36
4) Four Principals 3:54
a. Variations 4:01
b. Heritability 4:17
c. "The Struggle for Existence" 4:25
d. Survival and Reproductive Rates 5:00
5) Biolography 5:59
6) Modes of Selection 7:40
a. Directional Selection 8:17
b. Stabilizing Selection 8:56
c. Disruptive Selection 9:27
7) Sexual Selection 10:22
8) Artificial Selection 11:24

References:
http://curiosity.discovery.com..../topic/ecology-and-e
http://www.globalchange.umich.....edu/globalchange1/cu
http://blogs.scientificamerica....n.com/observations/2
http://www.aibs.org/bioscience....-press-releases/reso
http://faculty.clintoncc.suny.....edu/faculty/michael.
http://www.irac-online.org/about/resistance/
http://www.pbs.org/wgbh/evolut....ion/library/01/6/l_0
http://evolution.berkeley.edu/....evolibrary/article/e

This video uses the following sounds from Freesound.org:
"20071104.forest.04.binaural.mp3" by dobroide
"ForestBirds.wav" by HerbertBoland

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Teacherflix
2 Views · 2 years ago

Hank tells us the background story and explains the importance of the science of classifying living things, also known as taxonomy.

References:
http://anthro.palomar.edu/anim....al/table_kingdoms.ht
http://www.strangescience.net/linn.htm
http://www.newyorker.com/repor....ting/2009/01/19/0901
http://linnaeus.c18.net/Doc/lbio.php
http://faculty.fmcc.suny.edu/mcdarby/animals&plantsbook/History/02-Explaining-Life-Classification.htm
http://hyperphysics.phy-astr.g....su.edu/hbase/biology
http://tolweb.org/Eukaryotes/3
http://www.livescience.com/459....3-greatest-mysteries
http://faculty.ccbcmd.edu/cour....ses/bio141/lecguide/

Table of Contents
1) Taxonomy 0:00
2) Phylogenetic Tree 1:24
3) Biolography 2:26
4) Analogous/Homoplasic Traits 3:48
5) Homologous Traits 4:03
6) Taxa & Binomial Nomenclature 4:56
7) Domains 5:48
a) Bateria 6:04
b) Archaea 6:44
c) Eukarya / 4 Kingdoms 6:54
-Plantae 7:56
-Protista 8:23
-Fungi 8:56
-Animalia 9:31

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Teacherflix
2 Views · 2 years ago

This week, Adriene and Jacob teach you about macroeconomics. This is the stuff of big picture economics, and the major movers in the economy. Like taxes and monetary policy and inflation and policy. We need this stuff, because if you don't have a big picture of the economy, crashes and panics are more likely. Of course, economics is extremely complex and unpredictable. Today we'll talk about GDP as a measure of a country's economic health, the basics of economic analysis, and even a little about full employment, unemployment

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

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Mark, Jan Schmid, Simun Niclasen, Robert Kunz, Daniel Baulig, Jason A Saslow, Eric Kitchen, Christian, Beatrice Jin, Anna-Ester Volozh, Eric Knight, Elliot Beter, Jeffrey Thompson, Ian Dundore, Stephen Lawless, Today I Found Out, James Craver, Jessica Wode, Sandra Aft, Jacob Ash, SR Foxley, Christy Huddleston, Steve Marshall, Chris Peters

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Teacherflix
2 Views · 2 years ago

How do companies make money? What are profits? Revenues? How are prices set? This week, Jacob and Adriene are talking business. Whether you're selling cars, pizza, or glow sticks, this video has pretty much all the information you need to run a business. Well, not really, but there's a lot of good stuff in here.

***

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:

Mark, Eric Kitchen, Jessica Wode, Jeffrey Thompson, Steve Marshall, Moritz Schmidt, Robert Kunz, Tim Curwick, Jason A Saslow, SR Foxley, Elliot Beter, Jacob Ash, Christian, Jan Schmid, Jirat, Christy Huddleston, Daniel Baulig, Chris Peters, Anna-Ester Volozh, Ian Dundore, Caleb Weeks

--

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Teacherflix
2 Views · 2 years ago

Clint Smith teaches you about one of the most famous writers, orators, and advocates of the 19th century, Frederick Douglass. Douglass was born in slavery, escaped to the North, and became one of the most influential people of his time. Douglass wrote about the experience of slavery in a way that captured the attention of people throughout the world, and his work and influence helped directly in the struggle to abolish slavery and achieve emancipation.

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

Watch our videos and review your learning with the Crash Course App!
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Sources and References
-David Blight, Frederick Douglass: Prophet of Freedom (New York: Simon & Schuster, 2018)
-Christopher James Bonner, Remaking The Republic: Black Politics and the Creation of American Citizenship (Philadelphia: University of Pennsylvania Press, 2020)
-Kellie Carter Jackson, Force and Freedom: Black Abolitionists and the Politics of Violence (Philadelphia: University of Pennsylvania Press, 2019).


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Shannon McCone, Amelia Ryczek, Ken Davidian, Brian Zachariah, Stephen Akuffo, Toni Miles, Oscar Pinto-Reyes, Erin Nicole, Steve Segreto, Michael M. Varughese, Kyle & Katherine Callahan, Laurel A Stevens, Vincent, Michael Wang, Jaime Willis, Krystle Young, Michael Dowling, Alexis B, Rene Duedam, Burt Humburg, Aziz, 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, William McGraw, Andrei Krishkevich, ThatAmericanClare, Rizwan Kassim, Sam Ferguson, Alex Hackman, Eric Prestemon, Jirat, Katie Dean, TheDaemonCatJr, Wai Jack Sin, Ian Dundore, Matthew, Justin, Jessica Wode, Mark, Caleb Weeks
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#crashcourse #history #frederickdouglass

Teacherflix
2 Views · 2 years ago

Russia went and had a revolution in 1917 and cinema was a big part of its aftermath. Even though film stock was hard to come by, we saw the first film school started, and the study of film became hugely important. Russian filmmakers started trying to understand the power of the cut itself, thus developing a theory of filmmaking based solely around the juxtaposition of images: Soviet Montage. In this episode of Crash Course Film History, Craig talks us through some of the filmic things going on in post-revolution era Russia.

Produced in collaboration with PBS Digital Studios: http://youtube.com/pbsdigitalstudios

Want to know more about Craig?
https://www.youtube.com/user/wheezywaiter

The Latest from PBS Digital Studios: https://www.youtube.com/playli....st?list=PL1mtdjDVOoO

***
Movies Discussed in this episode:
Battleship Potempkin: 1925 - Dir. Sergei Eisenstein

Man with a Movie Camera: 1929 - Dir. Dziga Vertov

Harry Potter and the Half-Blood Prince: 2009 - Dir. David Yates
Property of Warner Bros. Pictures

Psycho: 1960 - Dir. Alfred Hitchcock
Property of Paramount Pictures

The Good, The Bad, and The Ugly: 1966 - Dir. Sergio Leone
Property of 20th Century FOX

Youth of Maxim: 1935 - Dir. Grigori Kozintsev, Leonid Trauberg

***

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Teacherflix
2 Views · 2 years ago

The Protestant Reformation didn't exactly begin with Martin Luther, and it didn't end with him either. Reformers and monarchs changed the ways that religious and state power were organized throughout the 16th and early 17th centuries. Jean Calvin in France and Switzerland, the Tudors in England, and the Hugenots in France also made major contributions to the Reformation.

Sources
Hunt, Lynn. Making of the West: Peoples and Cultures. Boston: Bedford St. Martins, 2019. Ch. 14.
Kelley, Donald R. The Beginning of Ideology: Consciousness and Society in the French Reformation. New York: Cambridge University Press, 1981.
Lindberg, Carter. The European Reformations. 2nd ed. New York: Wiley Blackwell, 2010.


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:

Eric Prestemon, Sam Buck, Mark Brouwer, Jonathan Zbikowski, Siobhan Sabino, Zach Van Stanley, Bob Doye, Jennifer Killen, Naman Goel, Nathan Catchings, Brandon Westmoreland, dorsey, Indika Siriwardena, Kenneth F Penttinen, Trevin Beattie, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Sam Ferguson, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore
--

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#history #crashcourse #europeanhistory

Teacherflix
2 Views · 2 years ago

This week we are looking at renewable energy sources and why we need them. We’ll explore hydropower, wind, geothermal, and solar power, as well as some of the challenges, and how engineers are working to make their use more widespread.

Crash Course Engineering is produced in association with PBS Digital Studios: https://www.youtube.com/playli....st?list=PL1mtdjDVOoO

***

RESOURCES:
http://www.energyenvoys.org.uk..../sites/default/files
https://whatsyourimpact.org/gr....eenhouse-gases/carbo
https://www.renewableenergywor....ld.com/hydropower/te
https://www.iea.org/topics/renewables/hydropower/
https://twitter.com/nationalgr....iduk/status/10142553
http://www.engineeringchallenges.org/9082.aspx

***

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:

Eric Prestemon, Sam Buck, Mark Brouwer, Naman Goel, Patrick Wiener II, Nathan Catchings, Efrain R. Pedroza, Brandon Westmoreland, dorsey, Indika Siriwardena, James Hughes, Kenneth F Penttinen, Trevin Beattie, Satya Ridhima Parvathaneni, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Kathrin Benoit, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, Advait Shinde, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore
--

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Teacherflix
2 Views · 2 years ago

In which John Green teaches you about the changes wrought by contact between the Old World and the New. John does this by exploring the totally awesome history book "The Columbian Exchange" by Alfred Crosby, Jr. After Columbus "discovered" the Americas, European conquerors, traders, and settlers brought all manner of changes to the formerly isolated continents. Disease and invasive plant and animal species remade the New World, usually in negative ways. While native people, plants, and animals were being displaced in the Americas, the rest of the world was benefitting from American imports, especially foods like maize, tomatoes, potatoes, pineapple, blueberries, sweet potatoes, and manioc. Was the Columbian Exchange a net positive? It's debatable. So debate.

The Columbian Exchange, by Alfred Crosby, Jr: https://bit.ly/3M3ZtbG

Chapters:
Introduction: The Columbian Exchange 00:00
Diseases of the Columbian Exchange 1:14
John Green Does the Cinnamon Challenge (Ew) 4:21
An Open Letter to Tobacco 5:09
Animals of the Columbian Exchange 5:51
Plants of the Columbian Exchange 7:27
People of the Columbian Exchange 9:53
Credits 11:36

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Teacherflix
2 Views · 2 years ago

Massive stars fuse heavier elements in their cores than lower-mass stars. This leads to the creation of heavier elements up to iron. Iron robs critical energy from the core, causing it to collapse. The shock wave, together with a huge swarm of neutrinos, blasts through the star’s outer layers, causing it to explode. The resulting supernova creates even more heavy elements, scattering them through space. Also, happily, we’re in no danger from a nearby supernova.

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

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Chapters:
Introduction: High Mass Stars 00:00
Core Fusion Creates Heavier Elements 0:51
Other Stages of High Mass Stars 2:22
Silicone & Iron Fusion 3:43
Core Collapse 6:20
Supernova Remnants 8:22
Explosive Nucleosynthesis 9:50
Review 11:04
--

PBS Digital Studios: http://youtube.com/pbsdigitalstudios

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

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PHOTOS/VIDEOS
Blowing Bubbles http://chandra.harvard.edu/res....ources/animations/pn [credit: NASA/CXC/April Jubett]
The Sizes of Stars http://www.eso.org/public/images/eso1030c/ [credit: ESO/M. Kornmesser]
Red giants https://commons.wikimedia.org/....wiki/File:Redgiants. [credit: Wikimedia Commons]
Alpha Orionis http://imgsrc.hubblesite.org/h....u/db/images/hs-1996- [credit: A. Dupree (CfA), NASA, ESA]
Sun and VY Canis Majoris https://commons.wikimedia.org/....wiki/File:Sun_and_VY [credit: Wikimedia Commons]
Witch Head Nebula and Rigel http://www.deepskycolors.com/a....rchive/2009/11/16/wi [credit: Rogelio Bernal Andreo]
Layers of a massive star https://en.wikipedia.org/wiki/....User:FT2/scc#/media/ [credit: Wikimedia Commons]
NASA's Swift Reveals New Phenomenon in a Neutron Star http://www.nasa.gov/mission_pa....ges/swift/bursts/new [credit: NASA's Goddard Space Flight Center]
What is a black hole? http://www.nasa.gov/audience/f....orstudents/k-4/stori [credit: NASA/CXC/M.Weiss]
The Death of Stars http://www.spacetelescope.org/....videos/hubblecast52a [credit: ESA/Hubble]
Giant Mosaic of the Crab Nebula http://www.nasa.gov/multimedia..../imagegallery/image_ [credit: NASA, ESA, J. Hester (Arizona State University)]
Hubble and Chandra spot a celestial bauble http://www.spacetelescope.org/images/heic1018b/ [credit: NASA, ESA, the Hubble Heritage Team (STScI/AURA), and NASA/CXC/SAO/J. Hughes]
Vela Supernova Remnant http://www.glitteringlights.co....m/Images/Nebulae/i-p [credit: Marco Lorenzi]
Spica [credit: Phil Plait]
Cassiopeia A https://en.wikipedia.org/wiki/....Cassiopeia_A#/media/ [credit: Oliver Krause (Steward Observatory) George H. Rieke (Steward Observatory) Stephan M. Birkmann (Max-Planck-Institut fur Astronomie) Emeric Le Floc'h (Steward Observatory) Karl D. Gordon (Steward Observatory) Eiichi Egami (Steward Observatory) John Bieging (Steward Observatory) John P. Hughes (Rutgers University) Erick Young (Steward Observatory) Joannah L. Hinz (Steward Observatory) Sascha P. Quanz (Max-Planck-Institut fur Astronomie) Dean C. Hines (Space Science Institute)]
Sloshing Supernova http://svs.gsfc.nasa.gov/cgi-b....in/details.cgi?aid=1 [credit: NASA's Goddard Space Flight Center Video and images courtesy of NASA/JPL-Caltech]
Star Burst http://svs.gsfc.nasa.gov/cgi-b....in/details.cgi?aid=1 [credit: NASA's Goddard Space Flight Center Video courtesy of ESA/Hubble/L. Calcada]

Teacherflix
2 Views · 2 years ago

How do companies make money? What are profits? Revenues? How are prices set? This week, Jacob and Adriene are talking business. Whether you're selling cars, pizza, or glow sticks, this video has pretty much all the information you need to run a business. Well, not really, but there's a lot of good stuff in here.

***

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:

Mark, Eric Kitchen, Jessica Wode, Jeffrey Thompson, Steve Marshall, Moritz Schmidt, Robert Kunz, Tim Curwick, Jason A Saslow, SR Foxley, Elliot Beter, Jacob Ash, Christian, Jan Schmid, Jirat, Christy Huddleston, Daniel Baulig, Chris Peters, Anna-Ester Volozh, Ian Dundore, Caleb Weeks

--

Want to find Crash Course elsewhere on the internet?
Facebook - http://www.facebook.com/YouTubeCrashCourse
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Support Crash Course on Patreon: http://patreon.com/crashcourse

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

Teacherflix
2 Views · 2 years ago

Today, we're going to take a closer look at how the oceans circulate by following the life of a discarded water bottle as it gets snagged in the North Pacific Garbage Patch. We'll talk about what causes the movement of water, called current, both near the surface and much deeper in the oceans, and we'll show how they follow similar (but not identical) paths to the winds. Ocean circulation plays a huge role in cycling vital nutrients within the seas and helps us transport goods on ships across the globe and it's up to us to protect it.

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:

Aziz, Christine Phelan, Nick, DAVID MORTON HUDSON, Perry Joyce, Scott Harrison, Mark & Susan Billian, Junrong Eric Zhu, Alan Bridgeman, Jennifer Smith, Matt Curls, Tim Kwist, Jonathan Zbikowski, Jennifer Killen, Sarah & Nathan Catchings, Brandon Westmoreland, team dorsey, Trevin Beattie, Eric Koslow, Indika Siriwardena, Khaled El Shalakany, Shawn Arnold, Siobhán, Ken Penttinen, Nathan Taylor, William McGraw, Laura Damon, Andrei Krishkevich, Eric Prestemon, Jirat, Brian Thomas Gossett, Ian Dundore, Jason A Saslow, Justin, Jessica Wode, Mark, Caleb Weeks
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#CrashCourse #Geography #Oceans

Teacherflix
2 Views · 2 years ago

The Protestant Reformation didn't exactly begin with Martin Luther, and it didn't end with him either. Reformers and monarchs changed the ways that religious and state power were organized throughout the 16th and early 17th centuries. Jean Calvin in France and Switzerland, the Tudors in England, and the Hugenots in France also made major contributions to the Reformation.

Sources
Hunt, Lynn. Making of the West: Peoples and Cultures. Boston: Bedford St. Martins, 2019. Ch. 14.
Kelley, Donald R. The Beginning of Ideology: Consciousness and Society in the French Reformation. New York: Cambridge University Press, 1981.
Lindberg, Carter. The European Reformations. 2nd ed. New York: Wiley Blackwell, 2010.


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:

Eric Prestemon, Sam Buck, Mark Brouwer, Jonathan Zbikowski, Siobhan Sabino, Zach Van Stanley, Bob Doye, Jennifer Killen, Naman Goel, Nathan Catchings, Brandon Westmoreland, dorsey, Indika Siriwardena, Kenneth F Penttinen, Trevin Beattie, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Sam Ferguson, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore
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#history #crashcourse #europeanhistory

Teacherflix
2 Views · 2 years ago

Dihydrogen monoxide (better known as water) is the key to nearly everything. It falls from the sky, makes up 60% of our bodies, and just about every chemical process related to life takes place with it or in it. Without it, none of the chemical reactions that keep us alive would happen - none of the reactions that sustain any life form on earth would happen - and the majority of inorganic chemical reactions that shape the surface of the earth would not happen either. Every one of us uses water for all kinds of chemistry every day - our body chemistry, our food chemistry, and our laundry chemistry all take place in water.

In today's Crash Course Chemistry, we use Hank's actual dirty laundry (ew) to learn about some of the properties of water that make it so special - its polarity and dielectric property; how electrolytes can be used to classify solutions; and we discover how to calculate a solution's molarity as well as how to dilute a solution using the dilution equation.

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
Polarity 02:40
Dielectric Property 04:13
Electrolytes 04:29
Molarity 08:46
Dilution 10:56

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Teacherflix
2 Views · 2 years ago

The next entry in our parade of heroes is Rama, the protagonist of the Ramayana, one of India’s oldest stories. We’re going to be talking about Rama’s importance to Hindu culture, and how Rama fits into Campbell’s idea of the Hero’s Journey. Although, Rama may not even be the hero.

***

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

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Mark, Truman Way, Thomas Frank, Indika Siriwardena, D.A. Noe, Cami Wilson, Khaled El Shalakany, Shawn Arnold, Tom Trval, mark austin, Ruth Perez, Malcolm Callis, Kathrin Janßen, Ken Penttinen, Advait Shinde, Bob Kunz, Nathan Taylor, Eric Prestemon, Les Aker, William McGraw, Andrei Krishkevich, Rachel Bright, Mayumi Maeda, Kathy & Tim Philip, Jessica Wode, Brian Thomas Gossett, Caleb Weeks, Jirat, Tim Curwick, Eric Kitchen, Daniel Baulig, Moritz Schmidt, Ian Dundore, Chris Peters, SR Foxley, Jason A Saslow
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Teacherflix
2 Views · 2 years ago

Hank imagines himself breaking into the Hot Pockets factory to steal their secret recipes and instruction manuals in order to help us understand how the processes known as DNA transcription and translation allow our cells to build proteins.

Table of Contents:
1) Transcription 2:12
A) Transcription Unit 3:00
B) Promoter 3:10
C) TATA Box 3:32
D) RNA Polymerase 4:12
E) mRNA 4:15
F) Termination signal 5:21
G) 5' Cap & Poly-A Tail 5:34
2) RNA Splicing 6:08
A) SNuRPs & Spliceosome 6:26
B) Exons & Introns 6:56
3) Translation 7:28
A) mRNA & tRNA 8:01
B) Triplet Codons & Anticodons 8:39
4) Folding & Protein Structure 10:51
A) Primary Structure 11:11
B) Secondary Structure 11:23
C) Tertiary Structure 11:58
D) Quaternary Structure 12:44

Links to episodes referenced in the video:
DNA structure episode: http://www.youtube.com/watch?v=8kK2zwjRV0M
Animal cells episode: http://www.youtube.com/watch?v=cj8dDTHGJBY
Fold-it SciShow episode: http://www.youtube.com/watch?v=JdBcpdH_ptA

This video contains the following sounds from Freesound.org:
"IMPresora.wav" by melack
"swishes.wav" by pogotron

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Teacherflix
2 Views · 2 years ago

Our final unit of Crash Course Sociology is medical sociology. Today we’ll explain what it is and get an overview of the role of society in our notions of health and disease.

Crash Course is made with Adobe Creative Cloud. Get a free trial here: https://www.adobe.com/creative....cloud/catalog/deskto

***

References:
Sociology by John J. Macionis, 15th edition (2014)

***

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:

Mark Brouwer, Nickie Miskell Jr., Jessica Wode, Eric Prestemon, Kathrin Benoit, Tom Trval, Jason Saslow, Nathan Taylor, Divonne Holmes à Court, Brian Thomas Gossett, Khaled El Shalakany, Indika Siriwardena, Robert Kunz, SR Foxley, Sam Ferguson, Yasenia Cruz, Daniel Baulig, Eric Koslow, Caleb Weeks, Tim Curwick, Evren Türkmenoğlu, Alexander Tamas, Justin Zingsheim, D.A. Noe, Shawn Arnold, mark austin, Ruth Perez, Malcolm Callis, Ken Penttinen, Advait Shinde, Cody Carpenter, Annamaria Herrera, William McGraw, Bader AlGhamdi, Vaso, Melissa Briski, Joey Quek, Andrei Krishkevich, Rachel Bright, Alex S, Mayumi Maeda, Kathy & Tim Philip, Montather, Jirat, Eric Kitchen, Moritz Schmidt, Ian Dundore, Chris Peters, Sandra Aft, Steve Marshall
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Teacherflix
2 Views · 2 years ago

So, we haven't talked much about Italy and Germany so far in Crash Course Euro, and that's because prior to the mid-19th century, those two nation-states weren't really a thing. Today we'll look at how Italy and Germany pulled it together in the second half of the 1800s. You'll learn about Guisseppe Garibaldi, Victor Emmanuelle, Otto von Bismarck, Wilhelm I, and a whole heck of a lot about the development of modern politics.

Sources
-Hunt, Lynn. The Making of the West: Peoples and Cultures. 6th ed. Boston: Bedford St. Martins, 2019.
-Lerman, Katharine Anne. Bismarck. London: Routledge, 2004.



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:

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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#crashcourse #history #europeanhistory

Teacherflix
2 Views · 2 years ago

Hank does his best to convince us that chemistry is not torture, but is instead the amazing and beautiful science of stuff. Chemistry can tell us how three tiny particles - the proton, neutron, and electron - come together in trillions of combinations to form ... everything. In this inaugural episode of Crash Course Chemistry, we start out with one of the biggest ideas in chemistry ever - stuff is made from atoms. More specifically, we learn about the properties of the nucleus and why they are important to defining what an atom actually is.

This video is available in Spanish on our Crash Course en Español channel! Watch it here: https://youtu.be/G7wUMpsB5k8

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
Intro 00:00
Einstein & Atoms 02:05
Composition of Atoms 03:18
Atomic Number 04:20
Isotopes 08:04
Relative Atomic Mass 07:26
Mass Number 07:44

Watch the SciShow episodes on the Strong Nuclear Force here:
http://www.youtube.com/watch?v=Yv3EMq2Dgq8
http://www.youtube.com/watch?v=BNDOSMqGLlg

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Teacherflix
2 Views · 2 years ago

In today’s episode, Hank asks you to consider all the ways people talk about justice and what we really mean when we use that word. We’ll explain various theories of justice, just distribution, and different approaches to punishment.

--

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/

Produced in collaboration with PBS Digital Studios: http://youtube.com/pbsdigitalstudios

--

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Teacherflix
2 Views · 2 years ago

When we think about the Harlem Renaissance, the arts come immediately to mind. But new political theories were also blossoming during this time. We've talked about Booker T. Washington and W.E.B. DuBois, but today we'll get into some other thinkers with different ideas about civil rights, fair labor practices, and Black nationalism.

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

Sources
Angela Davis, Blues Legacies and Black Feminism: Gertrude ‘Ma’ Rainey, Bessie Smith, and Billie Holiday (New York: Pantheon Books, 1998).
Keisha N. Blain, Set the World on Fire: Black Nationalist Women and the Global Struggle for Freedom (University of Pennsylvania Press, 2018).
Cheryl Wall, Women of the Harlem Renaissance (Bloomington: Indiana University Press, 1995).
Adam Ewing, Age of Garvey: How a Jamaican Activist Created a Mass Movement and Changed Global Black Politics (New Jersey: Princeton University Press, 2014).
Deborah Gray White; Mia Bay; Waldo E. Martin Jr, Freedom on My Mind: A history of African Americans, with Documents 3rd Edition (Macmillan, 2021).

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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
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#crashcourse #history #blackhistory

Teacherflix
2 Views · 2 years ago

In which John Green looks at Europe's attempts to recover from the devastation of World War I and forge a lasting peace. The peace did not last. Today we're talking about the economic cultural recovery of the 1920s, and the economic depression of the 1930s, and the fragile state of Europe after the Great War. We'll also look at the rise of fascism via the auspices of populist leaders like Adolf Hitler and Benito Mussolini, and we'll set the stage for the war to come.

Sources
-Smith, Bonnie G. Europe in the Contemporary World since 1900, 2nd ed. London: Bloomsbury, 2020.

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:

Eric Prestemon, Sam Buck, Mark Brouwer, William McGraw, Siobhan Sabino, Jason Saslow, Jennifer Killen, David Noe, Jonathan Zbikowski, Shawn Arnold, Trevin Beattie, Matthew Curls, Rachel Bright, Khaled El Shalakany, Efrain R. Pedroza, Ian Dundore, Kenneth F Penttinen, Eric Koslow, Timothy J Kwist, Indika Siriwardena, Caleb Weeks, Haixiang N/A Liu, Nathan Taylor, Avi Yashchin, Andrei Krishkevich, Brian Thomas Gossett, SR Foxley, Tom Trval, Justin Zingsheim, Brandon Westmoreland, dorsey, Jessica Wode, Nathan Catchings, Yasenia Cruz, Jirat
--

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#crashcourse #history #EuropeanHistory




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