Crash Course
Democracy, Authoritarian Capitalism, and China: Crash Course World History 230
In which John Green teaches you about the end of World History, and the end of the world as we know it, kind of. For the last hundred years or so, it seemed that one important ingredient for running an economically successful country was...
Crash Course
Social Mobility: Crash Course Sociology
Today we’re exploring social mobility in some more depth. We’ll look at intergenerational and intragenerational mobility and the difference between absolute and relative mobility. We’ll go over the long run upward social mobility trends...
Crash Course
Sampling Methods and Bias with Surveys - Crash Course Statistics
Today we’re going to talk about good and bad surveys. From user feedback surveys, telephone polls, and those questionnaires at your doctors office, surveys are everywhere, but with their ease to create and distribute, they're also...
Crash Course
Population Health: Crash Course Sociology
We’re continuing our unit on health with a discussion of some of the indicators that help us measure health for different populations. We’ll also explore three contributors to health disparities: individual factors like genetics,...
Crash Course
Politics: Crash Course Sociology
While politics is generally seen as the domain of a civics class (and Craig did a great job of teaching US Government & Politics elsewhere on this channel!) it’s something that sociology is interested in too. Today we’re looking at the...
TED Talks
Anne Milgram: Why smart statistics are the key to fighting crime
When she became the attorney general of New Jersey in 2007, Anne Milgram quickly discovered a few startling facts: not only did her team not really know who they were putting in jail, but they had no way of understanding if their...
Crash Course
Acid-Base Reactions in Solution: Crash Course Chemistry
Last week, Hank talked about how stuff mixes together in solutions. Today, and for the next few weeks, he will talk about the actual reactions happening in those solutions - atoms reorganizing themselves to create whole new substances in...
Crash Course
Ford, Carter, and the Economic Malaise Crash Course US History
In which John Green teaches you about the economic malaise that beset the United States in the 1970s. A sort of perfect storm of events, it combined the continuing decline of America's manufacturing base and the oil shocks of 1973 and...
SciShow
Obesity
Hank tells us some of the surprising things that could be causing or contributing to the obesity epidemic.
SciShow
Helium
Hank talks about everyone's favorite squeaky-voice gas and why it's important for more than party balloons.
TED-Ed
What few people know about the program that "saved" America | Meg Jacobs
In 1932, one in four Americans was unemployed, marking the highest unemployment rate in the country's history. The Democratic presidential candidate Franklin D. Roosevelt promised a New Deal— a comprehensive set of legislation to support...
Curated Video
Post-World War II Recovery: Crash Course European History
At the end of World War II, the nations of Europe were a shambles. Today we'll learn about how the various countries and blocs approached the problem of rebuilding their infrastructure and helping their residents recover. You'll learn...
SciShow
How Do Chips Make Credit Cards More Secure?
If you live in the United States, you might have recently gotten a credit card with a microchip on it. But what does this chip do that makes it any different than the magnetic strip on the back of the card?
TED Talks
TED: This is the moment to take on the climate crisis | Al Gore
Lighting up the TED stage, Nobel laureate Al Gore takes stock of the current state of climate progress and calls attention to institutions that have failed to honor their promises by continuing to pour money into polluting sectors. He...
Crash Course
Racial/Ethnic Prejudice & Discrimination: Crash Course Sociology
What’s the difference between race and ethnicity? Today we’ll look at how definitions of races and ethnicities have changed over time and across places. We also discuss the terms minority and minority-majority and how races are defined...
TED Talks
TED: Cracking Stuxnet, a 21st-century cyber weapon | Ralph Langner
When first discovered in 2010, the Stuxnet computer worm posed a baffling puzzle. Beyond its sophistication loomed a more troubling mystery: its purpose. Ralph Langner and team helped crack the code that revealed this digital warhead's...
Crash Course
Student Civil Rights Activism: Crash Course Black American History
A wide range of Americans contributed to the Civil Rights Movement in the 1950s and 1960s. Students and young people were a prominent group of activists within the movement. Today, we'll learn about the Little Rock Nine, the Greensboro...
TED Talks
Patrick Chappatte: A free world needs satire
We need humor like we need the air we breathe, says editorial cartoonist Patrick Chappatte. In a talk illustrated with highlights from a career spent skewering everything from dictators and ideologues to selfies and social media mobs,...
Crash Course
Nintendo and a New Standard for Video Games: Crash Course Games
So we ended the last episode at the North American Video Game Crash of 1983, and even though the video game market had collapsed in the United States, demand for video games remained strong in Europe and Asia. Nintendo of Japan,...
Crash Course
Tyranny of the Map: Crash Course Geography
Today we’re going to talk about borders. Borders can bring people together, evoke passion and war, divide, conquer, and solidify power. We’re going to focus on the tyranny of the map which is what happens when those in power draw...
Crash Course
Federalism: Crash Course Government and Politics
In which Craig Benzine teaches you about federalism, or the idea that in the United States, power is divided between the national government and the 50 state governments. Craig will teach you about how federalism has evolved over the...
SciShow
Why Do Tornadoes Hate America?
On the 4th of July, Americans like to celebrate the things that make the United States unique, and a lot of those things have to do with our geography. That remarkable geography is also responsible for some pretty unique weather, and...
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...
SciShow
Rare Earth Elements
Hank reveals why our love affair with the rare earth elements has a dark side.