SciShow
The Solar Storm That Almost Started World War III
May 23rd, 1967 could have been the beginning of the end - all thanks to the sun.
TED Talks
TED: Stand with Ukraine in the fight against evil | Garry Kasparov
Ukraine is on the front line of a war between freedom and tyranny, says chess grandmaster and human rights advocate Garry Kasparov. In this blistering call to action, he traces Vladimir Putin's rise to power and details his own path from...
SciShow
5 More Strange Flying Machines
In our last list of strange aircraft, we stuck to covering the weirdest jets to take to the sky, but there are plenty of other types of bizarre flying machines out there! In this episode, Hank will tell you about five other unlikely...
TED-Ed
TED-Ed: Is inequality inevitable? | TED-Ed
Income and wealth inequality are not new. In fact, economists and historians who have charted economic inequality throughout history haven't found a single society without it. Which raises a bleak question: is inequality ... inevitable?...
SciShow
3 Times We Intentionally Crashed into Other Worlds
Most of the time, it’s not great when an expensive spacecraft slams into an extraterrestrial body. But now and then mission control intentionally crashes a spacecraft for science!
TED Talks
Irwin Redlener: How to survive a nuclear attack
The face of nuclear terror has changed since the Cold War, but disaster-medicine expert Irwin Redlener reminds us the threat is still real. He looks at some of history's farcical countermeasures and offers practical advice on how to...
Curated Video
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
Capitalism, Communism, & Political Economies: Crash Course Geography
Just like many great duos throughout history, Bulgaria and Germany have a fascinating (though uneven) relationship. In today’s episode, we’re going to take a closer look at the impact of politics on economies as we trace this history of...
SciShow
The Hot Mess That Was the Mir Space Station
Mir taught us a lot, but most days, it was also a mess of mold and electrical problems... even when it wasn't literally on fire.
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
World War II Civilians and Soldiers: Crash Course European History
Our look at World War II continues with a closer examination of just how the war impacted soldiers in the field, and the people at home. For many of the combatants, the homefront and the warfront were one and the same. The war disrupted...
SciShow
Buran: The Space Shuttle That Almost Was
Did you know the Soviet Union had its own Space Shuttle? Learn all about the Buran, what happened to it, and what innovations set it apart from its NASA counterpart.
SciShow
How We Fixed the Most Radioactive Place on Earth
Once upon a time, there was a lake that was so radioactive, that standing on its shore for more than an hour would almost definitely kill you. Join Olivia to learn how it got that bad in the first place, and what was done to fix it!
SciShow
Project Orion: The Spaceship Propelled By Nuclear Bombs
Before the Orion of today, the Orion of the 1950s was propelled by nuclear bombs exploding behind it.
TED Talks
Jared Diamond: Why do societies collapse?
Why do societies fail? With lessons from the Norse of Iron Age Greenland, deforested Easter Island and present-day Montana, Jared Diamond talks about the signs that collapse is near, and how -- if we see it in time -- we can prevent it.
Crash Course
The Weaponization of Outbreaks - Crash Course Outbreak Science
A sad reality that we have to face when studying outbreak science is that sometimes groups of people use outbreaks intentionally to inflict harm on another group. We call this "weaponizing an outbreak", and it's the focus of this episode...
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...
SciShow
Sun VS. Atomic Bomb
Hank puts the immense power of the sun into perspective through comparison with the most powerful nuclear bomb ever detonated.
SciShow
How the US Launched Its First Satellite
60 years ago, in January 1958, the United States launched its first satellite, Explorer 1.
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...
Crash Course
Revolutions in Science and Tech: Crash Course European History
In the decades following World War II, life changed in many ways, and a fair number of those changes were for the better. Many of those improvements were driven by advances in science and technology, in fields like biology,...
Crash Course
Genetics and The Modern Synthesis: Crash Course History of Science
Remember how Darwin and Mendel lived around the same time, but everyone forgot about Mendel until 1900, and even then biologists saw Darwinism and Mendelism as two competing grand theories about how life works? Well, in this episode of...