Crash Course
Iran's Revolutions: Crash Course World History 226
In which John Green teaches you about Iran's Revolutions. Yes, revolutions plural. What was the1979 Iranian Revolution about? It turns out, Iran has a pretty long history of unrest in order to put power in the hands of the people, and...
MinuteEarth
This Atom Can Predict The Future
Many of the bewildering correlations in our world - like that between Beryllium-7 and the Asian monsoon - are a result of huge and unseen forces that tie them together.
TED-Ed
TED-Ed: Pazit Cahlon and Alex Gendler: What "Machiavellian" really means
From Shakespeare's plays to modern TV dramas, the unscrupulous schemer for whom the ends always justify the means has become a familiar character type we love to hate. For centuries, we've had a single word to describe such characters:...
Bozeman Science
Renewable Energy
In this video Paul Andersen discusses the technology, advantages and disadvantages of six sources of renewable energy; biomass, hydroelectric, solar, geothermal wind, and hydrogen. He also explains how changes in the storage and flow of...
SciShow
Can Danger Give You Super Strength?
Have you ever heard that you become more powerful in life-or-death situations? There are a lot of anecdotes about super strength, but is it a real thing?
TED Talks
TED: The origins of blackface and Black stereotypes | Dwan Reece
If you're wondering why blackface -- mimicking people of African descent via stereotypes and makeup-darkened skin -- is a big deal, then perhaps a little history lesson can help demystify the outcry. Dwan Reece, curator at the National...
Crash Course
Decolonization and Nationalism Triumphant Crash Course World History
In which John Green teaches you about the post-World War II breakup of most of the European empires. As you'll remember from previous installments of Crash Course, Europeans spent several centuries sailing around the world creating...
Crash Course
Programming Basics: Statements & Functions: Crash Course Computer Science
Today, Carrie Anne is going to start our overview of the fundamental building blocks of programming languages. We’ll start by creating small programs for our very own video game to show how statements and functions work. We aren’t going...
SciShow
The World's First Human-Made Nuclear Reactor
Today on SciShow, Hank brings us a little science history, telling us the tale of the world's first human-made nuclear reactor, which was built by a team of scientists and students led by Enrico Fermi in a converted squash court under a...
SciShow
Why Haven't We Built a Better Battery?
Improving batteries is a tough problem, but it’s also an important one because in many ways the future of our planet also depends on the future of batteries. Luckily, scientists are on the case, figuring out ways to give this essential...
SciShow
How Paintings Help You See the World Differently
Emerging research suggests that paintings might be more than just pretty pictures: how we process what we see in paintings might also impact the way we process the world around us.
TED Talks
Elon Musk: The mind behind Tesla, SpaceX, SolarCity ...
Entrepreneur Elon Musk is a man with many plans. The founder of PayPal, Tesla Motors and SpaceX sits down with TED curator Chris Anderson to share details about his visionary projects, which include a mass-marketed electric car, a solar...
SciShow
3 Amazing Photosynthetic Animals
Hank's love affair with plants takes a slight hit now that he's learned about several animal species that can photosynthesize. Fortunately, he's excited enough about these animals to share them with all of us! Let SciShow introduce you...
TED-Ed
TED-Ed: The rise of modern populism | Takis S. Pappas
In many democratic countries, charismatic leaders vilify political opponents, disparage institutions, and claim to be for the people. Some critics label this approach as authoritarian or fascist, while others argue that these leaders are...
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 Psychics Exploit Our Cognitive Biases
A fortuneteller's ability to read your future might seem magical, but those “psychic powers” have way more to do with psychology than the supernatural. Chapters cognitive biases 0:09 COLD READING 0:29 Barnum effect 1:28 subjective...
Crash Course
Unit Conversion & Significant Figures: Crash Course Chemistry
A unit is the frequently arbitrary designation we have given to something to convey a definite magnitude of a physical quantity and every quantity can be expressed in terms of the seven base units that are contained in the international...
Crash Course
Monopolies and Anti-Competitive Markets: Crash Course Economics
What is a monopoly? It turns out, it's more than just a board game. It's a terrible, terrible economic practice in which giant corporations dominate markets and hurt consumers. Except when it isn't. In some industries, monopolies are the...
TED-Ed
Who were Las Mariposas, and why were they murdered? | Lisa Krause
For over 30 years, thousands of people were imprisoned, tortured, and murdered under Rafael Trujillo's dictatorship in the Dominican Republic. Three sisters would go on to lead an underground revolution. But while their courage inspired...
Crash Course
Electric Current: Crash Course Physics
So, electric current works like a river... kinda... Instead of flowing based on elevation, electric current works a little differently. But it's a good metaphor. In this episode of Crash Course Physics, Shini talks to us about electric...
TED Talks
TED: The case for a decentralized internet | Tamas Kocsis
Who controls the internet? Increasingly, the answer is large corporations and governments -- a trend that's threatening digital privacy and access to information online, says web developer Tamas Kocsis. In this informative talk, Kocsis...
SciShow
What We Learned by Putting Cars on the Moon
To expand their range on visits to the moon, astronauts needed a way to travel faster, go farther, and carry more than walking provided. Thankfully, they had the Lunar Roving Vehicle.
TED-Ed
TED-Ed: History vs. Vladimir Lenin - Alex Gendler
Vladimir Lenin overthrew Russian Czar Nicholas II and founded the Soviet Union, forever changing the course of Russian politics. But was he a hero who toppled an oppressive tyranny or a villain who replaced it with another? Alex Gendler...
Crash Course
Gender Stratification: Crash Course Sociology
Today we’re looking at how society becomes stratified along gender lines. We’ll discuss Raewyn Connell’s concept of hegemonic masculinities and emphasized femininities. We’ll explore gender socialization in the home, media, and schools....