Crash Course
Market Economy: Crash Course Government and Politics
Today, we’re going to take a look at how the government plays a role in the economy. Specifically, the way the government creates and maintains our market economic system. Now sure, the government’s role in the economy can be...
Crash Course
The Handmaid's Tale, Part 2: Crash Course Literature 404
This week, John Green continues to teach you about Margaret Atwood's speculative fiction, The Handmaid's Tale. In this installment, we're looking at Atwood's desire to tell a story from a female point of view, and what exactly it means...
Crash Course
Z-Scores and Percentiles - Crash Course Statistics
Today we’re going to talk about how we compare things that aren’t exactly the same - or aren’t measured in the same way. For example, if you wanted to know if a 1200 on the SAT is better than the 25 on the ACT. For this, we need to...
Crash Course
Thermodynamics and Energy Diagrams - Crash Course Organic Chemistry
In organic chemistry, different reactions can take place at vastly different speeds. To better understand whether a reaction actually will happen, and how useful that reaction is, we need to understand thermodynamics and kinetics. In...
Crash Course
Foreign Policy: Crash Course Government and Politics
Today Craig finishes up our series on U.S. Government and Politics by talking about both the least and most important aspect of government: foreign policy. Foreign policy is important because it has the potential to affect the largest...
Crash Course
MMORPGs - Crash Course Games
So we ended the last episode with casual gaming and a more connected gaming community, but these connected communities started much before smartphones and Facebook. Today, we're going to talk about MMORPGs - or Massively Multiplayer...
Crash Course
The Scientific Revolution: Crash Course History of Science
So, what exactly is a scientific revolution? And are they more than just moments in time Historians use to mark the beginning and ending of things through time? In this episode we'll look into some ideas and people named Nick and how...
Crash Course
Age of Jackson Crash Course US History
In which John Green teaches you about the presidency of Andrew Jackson So how did a president with astoundingly bad fiscal policies end up on the $20 bill? That's a question we can't answer, but we can tell you how Jackson got to be...
Crash Course
The Dawn of Video Games: Crash Course Games
Over the next few episodes we're going to talk about the history of video games. Today, we're going to start with the first re-programmable computers in the 1940's. Now, these computers were serious tools. They were for codebreaking and...
Crash Course
The Montgomery Bus Boycott: Crash Course Black American History
For 381 days in 1955 and 1956, the Black citizens of Montgomery, Alabama boycotted the city bus system. Black riders had been mistreated on public transit all over the country for decades, and the national coverage of the Montgomery Bus...
Crash Course
Controlling Bureaucracies: Crash Course Government and Politics
In which Craig Benzine tells you how we keep bureaucracy in check. So we've spent the last few episodes telling you all about what bureaucracies are and why they are formed. And throughout we've hinted about this ever-expanding power...
Crash Course
Determining SN1, SN2, E1, and E2 Reactions: Crash Course Organic Chemistry
Organic chemistry isn’t that different from an adventure game, with substrates as characters, nucleophiles as magic potions, and reaction conditions as different magical kingdoms. In this episode of Crash Course Organic Chemistry, we’ll...
Crash Course
Crime: Crash Course Sociology
We’ve talked about deviance more broadly, but today we’re focusing on crime, specifically in the US. We’ll start with legal definitions of crime and use FBI data to get an idea of the amount and kinds of crime committed in the US. We’ll...
Crash Course
The Roaring 20's Crash Course US History
In which John Green teaches you about the United States in the 1920s. They were known as the roaring 20s, but not because there were lions running around everywhere. In the 1920s, America's economy was booming, and all kinds of social...
Crash Course
Post-World War I Recovery: Crash Course European History
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...
Crash Course
What is Weathering? Crash Course Geography
Weathering breaks down rocks and creates sediments which become the raw materials for other rocks and the formation of our soils. And we call the process of moving that sediment erosion. In today's episode, we're just going to focus on...
Crash Course
Post-War Rebuilding and the Cold War: Crash Course European History
Sometimes, friendship isn't forever. At the conclusion of World War II, the old structures of power were a shambles. The traditional European powers were greatly weakened by years of total war and widespread destruction. The USSR was...
Crash Course
The Olympics, FIFA, and why we love sports: Crash Course Games
Today, John Green is going to be your substitute teacher as we dive into the world of sports! Now ��_sports��_ is a pretty broad genre of game, we probably couldn't even cover them in an entire series, but today we're going to do...
Crash Course
Changing the Blueprints of Life - Genetic Engineering: Crash Course Engineering #38
Can we change the blueprints of life? This week we are exploring that question with genetic engineering. We’ll discuss how selective breeding can improve agricultural practices, and the potential DNA-level engineering could have on other...
Crash Course
Gerrymandering: Crash Course Government and Politics
Today Craig is going to talk about a topic that makes voters and politicians alike ANGRY! We're going to talk about Gerrymandering - that is the process in which voting districts are redrawn in a way to favor one party during elections....
Crash Course
Minimum Viable Product and Pivoting Crash Course Business Entrepreneurship
Imagine if the only videos on YouTube were people looking for love. That could have been the world we lived in! Before it had 1.9 billion users per day, YouTube started as a video-based dating service, complete with the truly excellent...
Crash Course
Socialization: Crash Course Sociology
Last week we introduced the idea of socialization and today we’re talking a little more about how it works, including an introduction to five main types of socialization. We’ll explore anticipatory socialization from your family, the...
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Dark Energy, Cosmology part 2
The majority of the universe is made up of a currently mysterious entity that pervades space: dark energy. We don’t know exactly what it is, but we do know that dark energy accelerates the expansion of space. We think this means the...
Crash Course
The Heart, part 2 - Heart Throbs: Crash Course A&P
Today we're talking the heart and heart throbs -- both literal and those of the televised variety. Hank explains how your heart's pacemaker cells use leaky membranes to generate their own action potentials, and how the resulting...