CrashCourse

The Columbian Exchange: Crash Course World History #23 12:9
The Columbian Exchange: Crash Course World History #23
Published: 6 year 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 ...
Muscles, part 1 - Muscle Cells: Crash Course A&P #21 10:24
Muscles, part 1 - Muscle Cells: Crash Course A&P #21
Published: 3 year ago
We're kicking off our exploration of muscles with a look at the complex and important relationship between actin and myosin. Your smooth, cardiac, and skeletal muscles create movement by contracting a...
The Heart, part 1 - Under Pressure: Crash Course A&P #25 10:8
The Heart, part 1 - Under Pressure: Crash Course A&P #25
Published: 3 year ago
Your heart gets a lot of attention from poets, songwriters, and storytellers, but today Hank's gonna tell you how it really works. The heart’s ventricles, atria, and valves create a pump that mainta...
Like Pale Gold - The Great Gatsby Part I: Crash Course English Literature #4 11:43
Like Pale Gold - The Great Gatsby Part I: Crash Course English Literature #4
Published: 6 year ago
In which John Green explores F. Scott Fitzgerald's novel of the Jazz Age, The Great Gatsby. John introduces you to Nick Carraway, Jay Gatsby, Daisy and Tom Buchanan, and the other characters in the no...
The Civil War Part 2: Crash Course US History #21 10:54
The Civil War Part 2: Crash Course US History #21
Published: 5 year ago
In which John Green teaches you how the Civil War played a large part in making the United States the country that it is today. He covers some of the key ways in which Abraham Lincoln influenced the o...
Archdukes, Cynicism, and World War I: Crash Course World History #36 11:45
Archdukes, Cynicism, and World War I: Crash Course World History #36
Published: 6 year ago
In which John Green teaches you about the war that was supposed to end all wars. Instead, it solved nothing and set the stage for the world to be back at war just a couple of decades later. As an adde...
Existentialism: Crash Course Philosophy #16 8:54
Existentialism: Crash Course Philosophy #16
Published: 2 year ago
Now that we’ve left behind the philosophy of religion, it’s time to start exploring what other ways might exist to find meaning in the world. Today we explore essentialism and its response: existe...
Immune System, part 1: Crash Course A&P #45 9:13
Immune System, part 1: Crash Course A&P #45
Published: 3 year ago
Our final episodes of Anatomy & Physiology explore the way your body keeps all that complex, intricate stuff alive and healthy -- your immune system. The immune system’s responses begin with physica...
Mansa Musa and Islam in Africa: Crash Course World History #16 10:31
Mansa Musa and Islam in Africa: Crash Course World History #16
Published: 6 year ago
In which John Green teaches you about Sub-Saharan Africa! So, what exactly was going on there? It turns out, it was a lot of trade, converting to Islam, visits from Ibn Battuta, trade, beautiful women...
The Nervous System, Part 2 - Action! Potential!: Crash Course A&P #9 11:44
The Nervous System, Part 2 - Action! Potential!: Crash Course A&P #9
Published: 3 year ago
•••SUBBABLE MESSAGE••• TO: Carla FROM: Christopher Next stop is whenever. Just be like, "stop." *** You can directly support Crash Course at http://www.subbable.com/crashcourse Subscri...
Mitosis: Splitting Up is Complicated - Crash Course Biology #12 10:48
Mitosis: Splitting Up is Complicated - Crash Course Biology #12
Published: 6 year ago
Hank describes mitosis and cytokinesis - the series of processes our cells go through to divide into two identical copies. Crash Course Biology is now available on DVD! http://dftba.com/product/1av/C...
The French Revolution: Crash Course World History #29 11:54
The French Revolution: Crash Course World History #29
Published: 6 year ago
In which John Green examines the French Revolution, and gets into how and why it differed from the American Revolution. Was it the serial authoritarian regimes? The guillotine? The Reign of Terror? Al...
The Nervous System, Part 1: Crash Course A&P #8 10:36
The Nervous System, Part 1: Crash Course A&P #8
Published: 3 year ago
•••SUBBABLE MESSAGE••• TO: Kerry FROM: Cale I love you with all my ha-art. Deadset. *** You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as li...
ATP & Respiration: Crash Course Biology #7 13:26
ATP & Respiration: Crash Course Biology #7
Published: 6 year ago
In which Hank does some push ups for science and describes the "economy" of cellular respiration and the various processes whereby our bodies create energy in the form of ATP. Crash Course Biology is...
Reconstruction and 1876: Crash Course US History #22 0:13
Reconstruction and 1876: Crash Course US History #22
Published: 5 year ago
In which John Green teaches you about Reconstruction. After the divisive, destructive Civil War, Abraham Lincoln had a plan to reconcile the country and make it whole again. Then he got shot, Andrew J...
The Nucleus: Crash Course Chemistry #1 10:12
The Nucleus: Crash Course Chemistry #1
Published: 5 year 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 ele...
Kant & Categorical Imperatives: Crash Course Philosophy #35 10:27
Kant & Categorical Imperatives: Crash Course Philosophy #35
Published: 2 year ago
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 e...
Vision: Crash Course A&P #18 9:39
Vision: Crash Course A&P #18
Published: 3 year ago
Next stop in our tour of your sensory systems? VISION. With a little help from an optical illusion, we take a look inside your eyes to try to figure out how your sense of vision works -- and how it ca...
Blood, Part 1 - True Blood: Crash Course A&P #29 0:10
Blood, Part 1 - True Blood: Crash Course A&P #29
Published: 3 year ago
Now that we've talked about your blood vessels, we're going to zoom in a little closer and talk about your blood itself. We'll start by outlining the basic components of blood -- including erythrocyte...
Anselm and the Argument for God: Crash Course Philosophy #9 9:13
Anselm and the Argument for God: Crash Course Philosophy #9
Published: 2 year ago
Today we are introducing a new area of philosophy – philosophy of religion. We are starting this unit off with Anselm’s argument for God’s existence, while also considering objections to that ar...