Crash Course
Recession, Hyperinflation, and Stagflation: Crash Course Econ
If you're ever put in charge of a national economy, there are a few things you should try to avoid. Before you laugh, just remember, you COULD be in charge of an economy someday. Someone has to do it, and anyway, if it could happen to...
TED-Ed
3 bizarre (and delightful) ancient theories about bird migration | Lucy Cooke
In 1822, Count von Bothmer shot down a stork in Germany. However, the bird had already been impaled by a yard-long wooden spear. The stork had been speared in Africa and then flew over 2,500 km. This astonishing flight proved to be an...
Crash Course
Archdukes, Cynicism, and World War I Crash Course World History
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 added bonus, World War I changed the way...
Crash Course
Economic Depression and Dictators: Crash Course European History
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 Union, Japan, and Spain, and the economic depression that...
Crash Course
World War II: Crash Course European History
Only a couple of decades after the end of the First World War--which was supposed to be the War that Ended All Wars--another, bigger, farther-flung, more destructive, and deadlier war began. Today, you'll learn about how the war in...
Crash Course
World War II, A War for Resources: Crash Course World History
In which John Green teaches you about World War II, and some of the causes behind the war. In a lot of ways, WWII was about resources, and especially about food. The expansionist aggression of both Germany and Japan were in a lot of ways...
TED Talks
TED: How diversity makes teams more innovative | Rocio Lorenzo
Are diverse companies really more innovative? Rocio Lorenzo and her team surveyed 171 companies to find out -- and the answer was a clear yes. In a talk that will help you build a better, more robust company, Lorenzo dives into the data...
TED-Ed
TED-ED: The rise and fall of the Berlin Wall - Konrad H. Jarausch
On August 13, 1961, construction workers began tearing up streets and erecting barriers in Berlin. This night marked the beginning of one of history's most infamous dividing lines: the Berlin Wall. Construction continued for a decade as...
Crash Course
The Roads to World War I: Crash Course European History
Much has been written about what exactly caused World War I. As befits a true global war, the reality is that there isn't a single cause. There aren't even three causes. There are a vast array of causes. Today we'll get into just a few...
Crash Course
Ideal Gas Problems: Crash Course Chemistry
We don't live in a perfect world, and neither do gases - it would be great if their particles always fulfilled the assumptions of the ideal gas law, and we could use PV=nRT to get the right answer every time. Unfortunately, the ideal gas...
TED Talks
TED: The carbonless fuel that could change how we ship goods | Maria Gallucci
Every day, tens of thousands of cargo ships, filled to the brim with goods, release heavy pollution into the air as they make their way across the ocean. In this eye-opening talk, reporter Maria Gallucci introduces a planet-friendly...
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...
TED-Ed
TED-Ed: How did Hitler rise to power? - Alex Gendler and Anthony Hazard
Decades after the fall of the Third Reich, it feels impossible to understand how Adolf Hitler, the tyrant who orchestrated one of the largest genocides in human history, could ever have risen to power in a democratic country. So how did...
SciShow
The Hidden Superpowers of Moss
You may not think much about moss, but it has a hidden super power, and it's been used to save countless lives.
SciShow
Animal Magnetism: How Animals Navigate
Hank tells us about new research into the question of how animals navigate from place to place - while the problem is still unresolved, we do have some hypotheses, and they all involve something called "magnetoreception."
Crash Course
Italian and German Unification: Crash Course European History
So, we haven't talked much about Italy and Germany so far in Crash Course Euro, and that's because prior to the mid-19th century, those two nation-states weren't really a thing. Today we'll look at how Italy and Germany pulled it...
SciShow
Alfred Wegener: Great Minds
Hank introduces us to Alfred Wegener, a voraciously curious guy who proposed the original theory of continental drift - and was laughed at for it.
Crash Course
Revolutions of 1848: Crash Course European History
In 1848, Europe experienced a wave of revolutions. Last week we covered some of the reform movements that presaged these uprisings. This week, we're learning about what the people wanted from the revolutions, who was involved, and how...
Crash Course
Why So Angry, German Theater? Crash Course Theater #27
Theater had a slow start in Germany, mainly because Germany wasn't really a thing until *relatively* recent times. After Germany finally became a unified state, it had a couple of really important theatrical movements. Today we'll talk...
Crash Course
World War I Battlefields: Crash Course European History
Europe's system of alliances and centuries-old tensions erupted into war in August of 1914. This week on Crash Course Euro, we're talking about the military history of World War I, and taking a look at the broad strokes of how the war...
Crash Course
USA vs USSR Fight! The Cold War Crash Course World History
In which John Green teaches you about the Cold War, which was occasionally hot, but on average, it was just cool. In the sense of its temperature. It was by no means cool, man. After World War II, there were basically two big...
Crash Course
What History Was, Is, and Will Be: Crash Course European History
At the end of our journey through modern European history, we're taking an episode to look back at how the practice of history developed and what the aim and goals and purpose of history have been. We'll also take time to consider how we...
Crash Course
America in World War I Crash Course US History
In which John Green teaches you about American involvement in World War I, which at the time was called the Great War. They didn't know there was going to be a second one, though they probably should have guessed, 'cause this one didn't...
Crash Course
World War II Crash Course World History
In which John Green teaches you about World War II, aka The Great Patriotic War, aka The Big One. So how did this war happen? And what does it mean? We've all learned the facts about World War II many times over, thanks to repeated...