Crash Course
The Agricultural Revolution Crash Course World History
In which John Green investigates the dawn of human civilization. John looks into how people gave up hunting and gathering to become agriculturalists, and how that change has influenced the world we live in today. Also, there are some...
Crash Course
Television Production: Crash Course Film Production
In our final episode of Crash Course Film Production, it's time to take a look at television production and how it differs from feature film production. It's subtle but it has a lot to do with how television shows make money for their...
Crash Course
The Editor: Crash Course Film Production
The Editor is yet another unsung hero in the filmmaking process. For a century of film history, Editors have taken raw footage and worked to transform it into a cohesive whole. Basically making one thing from many. But, how do they do...
Crash Course
When Predictions Fail - Crash Course Statistics
Today we’re going to talk about why many predictions fail - specifically we’ll take a look at the 2008 financial crisis, the 2016 U.S. presidential election, and earthquake prediction in general. From inaccurate or just too little data...
Crash Course
Ford, Cars, and a New Revolution: Crash Course History of Science
Historians love to debate each other. So some of them pointed out that the first half of this revolution looks a lot different from the second. Let's chat about industry, cars, and Henry Ford.
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Files & File Systems: Crash Course Computer Science
Today we’re going to look at how our computers read and interpret computer files. We’ll talk about how some popular file formats like txt, wave, and bitmap are encoded and decoded giving us pretty pictures and lifelike recordings from...
Crash Course
Capitalism and the Dutch East India Company: Crash Course World History 229
In which John Green teaches you about the Vereenigde Oostindische Compagnie, doing business as the VOC, also known as the Dutch East India Company. In the 16th and 17th centuries, the Dutch managed to dominate world trade, and they did...
Crash Course
To the Lighthouse: Crash Course Literature 408
John Green teaches you about Virginia Woolf's modernist novel, To the Lighthouse. Let's face it. You're not reading To the Lighthouse for the plot. There's not a whole lot of plot, unless you count the tension about the beef stew. You're...
Crash Course
Poverty & Our Response to It: Crash Course Philosophy
We’re picking up where we left off last time, exploring the “ethics of care” and how it applies to extreme poverty. Are we responding to global poverty in a moral way? Philosophers like Peter Singer argue that we have an obligation to...
Crash Course
The Crusades - Pilgrimage or Holy War Crash Course World History
In which John Green teaches you about the Crusades embarked upon by European Christians in the 12th and 13th centuries. Our traditional perception of the Crusades as European Colonization thinly veiled in religion isn't quite right. John...
Crash Course
Network Solids and Carbon: Crash Course Chemistry
In this episode, Hank talks about Network solids and Carbon and how you can actually create a Diamond from plain old Carbon... well, YOU probably can't unless you own a bunch of elephants. It's a long story. BUT, within you will learn...
Crash Course
Magnetism: Crash Course Physics
You’re probably familiar with the basics of magnets already: They have a north pole and a south pole. Two of the same pole will repel each other, while opposites attract. Only certain materials, especially those that contain iron, can be...
Crash Course
Population, Sustainability, and Malthus: Crash Course World History 215
In which John Green teaches you about population. So, how many people can reasonably live on the Earth? Thomas Malthus got it totally wrong in the 19th century, but for some reason, he keeps coming up when we talk about population. In...
Crash Course
Web Search
Today we’re going to talk about search engines, which are just AI systems that try to help us find what we’re looking for. Search engines can be the sort that serve up a list of results, like during a Google or Bing search, using web...
Crash Course
Intro to Algorithms: Crash Course Computer Science
Algorithms are the sets of steps necessary to complete computation - they are at the heart of what our devices actually do. And this isn’t a new concept. Since the development of math itself algorithms have been needed to help us...
Crash Course
Plato and Aristotle: Crash Course History of Science
Plato and Aristotle: Crash Course History of Science #3
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How Does the Earth Create Different Landforms? Crash Course Geography
Cliffs and canyons, beaches and dunes, floodplains and river valleys, plateaus and mountains — these are all products of a restless Earth. In today’s episode we’re going to take a closer look at how landforms greatly influence how people...
Crash Course
How Can Rain Create Conflict? Precipitation and Water Use: Crash Course Geography
If you compare precipitation around the world with population distribution we can understand a simple but powerful pattern of human geography: where there is water, there are people. But it gets a little more complicated because where...
Crash Course
Groundwater & the Israeli-Palestinian Conflict: Crash Course Geography
The Arab-Israeli Conflict, which is the ongoing political tensions and military conflicts between Arab nations and Israel, is one of the longest and most complex disputes in the world. Today, we're going to focus on more recent events,...
Crash Course
The Ideal Gas Law: Crash Course Chemistry
Gases are everywhere, and this is good news and bad news for chemists. The good news: when they are behaving themselves, it's extremely easy to describe their behavior theoretically, experimentally and mathematically. The bad news is...
Crash Course
Hydrocarbon Power! - Crash Course Chemistry
In which Hank introduces us to the world of Organic Chemistry and, more specifically, the power of hydrocarbon. He talks about the classifications of organic compounds, the structures & properties of alkanes, isomers, and naming an...
Crash Course
Who Even Is An Entrepreneur? Crash Course Business - Entrepreneurship
You've probably heard the word "Entrepreneur" thrown around a lot in business. It conjures images of Elon Musk, Bill Gates, or Oprah Winfrey. But, it goes way beyond that. In this episode of Crash Course Business: Entrepreneurship, Anna...
Crash Course
Language, Voice, and Holden Caulfield: The Catcher in the Rye Part 1
In which John Green examines JD Salinger's novel The Catcher in the Rye. John pulls out the old school literary criticism by examining the text itself rather than paying attention to the biographical or historical context of the novel...
Crash Course
What Are the Different Types of Cyclones? Crash Course Geography
Today we’re going to talk about two types of cyclones: mid-latitude cyclones and tropical cyclones. Mid-latitude cyclones are huge weather systems that bring day-to-day weather in the mid-latitudes. They're the reason the weather is...