TED Talks
TED: How labor unions shape society | Margaret Levi
The weekend. Social Security. Health insurance. What do these things have in common? They all exist thanks to the advocacy of labor unions. Political economist Margaret Levi explains how these organizations forge equality and protect...
Crash Course
Circuit Analysis: Crash Course Physics
How does Stranger Things fit in with Physics and, more specifically, circuit analysis? I'm glad you asked! In this episode of Crash Course Physics, Shini walks us through the differences between series and parallel circuits and how that...
SciShow
6 Weird Mushrooms (And Other Fungi)
Mushrooms can be pretty weird! Some have the power to trick animals into caring for them, appear to bleed, or even clean up radiation!
Chapters
SCLEROTIA Credit: Tocekas
0:59
EGG-MIMICKING FUNGUS
2:05
HYPHAE
...
SciShow
How to Make a Lemon Battery
Hank shows us another SciShow: Experiment! This time he's tackling what may be the most cliche, well-known and misunderstood experiment of all time: the lemon battery. The take home message in this one is: the electricity is NOT in the...
Crash Course
Randomness - Crash Course Statistics
There are a lot of events in life that we just can’t predict, but just because something is random doesn’t mean we don’t know or can’t learn anything about it. Today, we’re going to talk about how we can extract information from...
TED-Ed
TED-Ed: History vs. Napoleon Bonaparte - Alex Gendler
After the French Revolution erupted in 1789, Europe was thrown into chaos. Neighboring countries' monarchs feared they would share the fate of Louis XVI and attacked the new Republic, while at home, extremism and mistrust between...
Crash Course
The Engineering Challenges of Renewable Energy: Crash Course Engineering #30
This week we are looking at renewable energy sources and why we need them. We’ll explore hydropower, wind, geothermal, and solar power, as well as some of the challenges, and how engineers are working to make their use more widespread.
Crash Course
Colonialism: Crash Course Geography
Empire, imperialism, and colonialism are all interrelated tactics of geopolitics that are used to achieve similar goals of one state maintaining economic, political, or even cultural dominance over other territories. Today, we’re going...
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
Catholic Counter-Reformation: Crash Course European History
When the Protestant Reformation broke out in Western Europe, the Catholic Church got the message, at least a little bit. Pope Paul III called a council to look into reforming some aspects of the Catholic Church and try to stem the tide...
Crash Course
The Editor: Crash Course Film Production
The Editor is yet another unsung hero in the filmmaking process. For a century of film history, Editors have taken raw footage and worked to transform it into a cohesive whole. Basically making one thing from many. But, how do they do...
Crash Course
Capitalism and the Dutch East India Company: Crash Course World History 229
In which John Green teaches you about the Vereenigde Oostindische Compagnie, doing business as the VOC, also known as the Dutch East India Company. In the 16th and 17th centuries, the Dutch managed to dominate world trade, and they did...
Curated Video
Russia, the Kievan Rus, and the Mongols: Crash Course World History
In which John Green teaches you how Russia evolved from a loose amalgamation of medieval principalities known as the Kievan Rus into the thriving democracy we know today. As you can imagine, there were a few bumps along the road. It...
TED-Ed
TED-Ed: What are the universal human rights? - Benedetta Berti
The basic idea of human rights is that each one of us, no matter who we are or where we are born, is entitled to the same basic rights and freedoms. That may sound straightforward enough, but it gets incredibly complicated as soon as...
Curated Video
Coal, Steam, and The Industrial Revolution: Crash Course World History
In which John Green wraps up revolutions month with what is arguably the most revolutionary of modern revolutions, the Industrial Revolution. While very few leaders were beheaded in the course of this one, it changed the lives of more...
TED Talks
TED: It’s our city. Let’s fix it | Alessandra Orofino
Too often, people feel checked out of politics — even at the level of their own city. But urban activist Alessandra Orofino thinks that can change, using a mix of tech and old-fashioned human connection. Sharing examples from her...
SciShow
"Alternative" Alternative Energies
Humans have an almost insatiable energy demand, so scientists and engineers are always on the lookout for sustainable ways to provide the energy we need. And some of these ideas go way beyond solar panels and wind turbines! Chapters View...
TED-Ed
Building the world's largest (and most controversial) power plant | Alex Gendler
In 2018, a single power plant produced more energy than the world's largest coal-powered and gas-powered plants combined. China's Three Gorges Dam relies on running water, and is capable of producing more energy than any other power...
TED-Ed
TED-Ed: Why the metric system matters - Matt Anticole
For the majority of recorded human history, units like the weight of a grain or the length of a hand weren't exact and varied from place to place. Now, consistent measurements are such an integral part of our daily lives that it's hard...
Crash Course
Geographies of the Future: Crash Course Geography
In our final episode of Crash Course Geography we're going to take a look towards the future, and to do that we'll need to revisit our fundamental geography tools: space, place, and human-environment interactions! We'll talk about the...
Crash Course
Judicial Review: Crash Course Government and Politics
Today, Craig Benzine is going to tell you about the Supreme Court's most important case, Marbury v. Madison, and how the court granted itself the power of judicial review. Judicial review is the power to examine and invalidate actions of...
Crash Course
If One Finger Brought Oil - Things Fall Apart part I: Crash Course Literature 208
In which John Green teaches you about Chinua Achebe's 1958 novel, Things Fall Apart. You'll learn about Igboland, a region in modern day Nigeria, prior to the arrival of the British Empire. Achebe tells the story of Okonkwo, an Igbo...
TED-Ed
TED-Ed: The hidden network that makes the internet possible - Sajan Saini
View full lesson: https://ed.ted.com/lessons/the-hidden-network-that-makes-the-internet-possible-sajan-saini↵↵In 2012, a team of researchers set a world record, transmitting 1 petabit of data— that’s 10,000 hours of high-def video— over...
Crash Course
Air Travel and The Space Race: Crash Course History of Science
Like the Industrial or the Einsteinian Revolution, the Space Race is a trope, or way of organizing historical events into a story that makes sense. In this story, the two great powers that emerged after World War Two—the United States...