In today’s Crash Course Astronomy, Phil takes a look at the explosive history of our cosmic backyard. We explore how we went from a giant ball of gas to the system of... Read more »
In which John Green teaches you, at long last, about the most exceptional bunch of empire-building nomads in the history of the world, the Mongols! How did the Mongols go from being... Read more »
Not sleeping for days on end. Long periods of euphoria. Racing thoughts. Grandiose ideas. Mania. Depression. All of these are symptoms of Bipolar Disorder. In this episode of Crash Course Psychology, Hank... Read more »
In this episode of Crash Course Anatomy & Physiology, Hank gives you a brief history of histology and introduces you to the different types and functions of your body’s tissues. Pssst… we... Read more »
In which Craig Benzine teaches you about the compromises met in ratifying the U.S. Constitution. The United States didn’t always have its current system of government. Actually, this is its second attempt.... Read more »
We’re still leading up to World War II, but first we gotta talk about the rise of the dictators. Today we talk about the rise of militaristic dictatorships in Germany, the Soviet... Read more »
You probably know some of the signs of industrialization in the nineteenth century: Trains connected cities, symbolizing progress. But they also brought about the destruction of rural lands, divisions between social classes,... Read more »
We learn a lot about our surroundings thanks to sound. But… what is it exactly? Sound, that is. What is sound? And how does it travel? And what is this doppler effect... Read more »
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... Read more »
In which John Green kicks off the Crash Course Literature mini-series with a reasonable set of questions. Why do we read? What’s the point of reading critically. John will argue that reading... Read more »