TED-Ed
TED-Ed: How does alcohol make you drunk?
Ethanol: this molecule, made of little more than a few carbon atoms, is responsible for drunkenness. Often simply referred to as alcohol, ethanol is the active ingredient in alcoholic beverages. So how exactly does it cause drunkenness,...
TED-Ed
TED-Ed: The rise and fall of the Lakota Empire | Pekka Hämäläinen
In 1776, a powerful empire was born in North America. The Lakotas had reached the Black Hills, the most sacred place and most coveted buffalo hunting grounds in the western plains. Located in what is now South Dakota, control of the...
Crash Course
Women's Suffrage Crash Course US History
In which John Green teaches you about American women in the Progressive Era and, well, the progress they made. So the big deal is, of course, the right to vote women gained when the 19th amendment was passed and ratified. But women made...
TED-Ed
TED-Ed: The Factory | Think Like A Coder, Ep 9 | Alex Rosenthal
This is episode 9 of our animated series "Think Like A Coder." This 10-episode narrative follows a girl, Ethic, and her robot companion, Hedge, as they attempt to save the world. The two embark on a quest to collect three artifacts and...
SciShow Kids
Back To School | Compilation | SciShow Kids
Squeaks is getting ready to head back to school and he couldn’t be more excited! To make sure he’s all set for the first day, he and Jessi are watching some videos so he goes in confident and prepared!
Crash Course
The Seven Years War Crash Course World History
In which John teaches you about the Seven Years War, which may have lasted nine years. Or as many as 23. It was a very confusing was. The Seven Years War was a global war, fought on five continents, which is kind of a lot. John focuses...
Crash Course
Tea, Taxes, and The American Revolution Crash Course World History
In which John Green teaches you about the American Revolution and the American Revolutionary War, which it turns out were two different things. John goes over the issues and events that precipitated rebellion in Britain's American...
Crash Course
The Quakers, the Dutch, and the Ladies Crash Course US History
In which John Green teaches you about some of the colonies that were not in Virginia or Massachussetts. Old New York was once New Amsterdam. Why they changed it, I can say; ENGLISH people just liked it better that way, and when the...
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...
TED-Ed
Why bats don't get sick | Arinjay Banerjee
Consider a bat that is infected with several deadly viruses, including ones that cause rabies, SARS, and Ebola. While this diagnosis would be lethal for other mammals, the winged wonder is totally unfazed, and may even spend the next 30...
TED-Ed
TED-Ed: The electrifying speeches of Sojourner Truth
Isabella Baumfree was born into slavery in late 18th century New York. Fleeing bondage with her youngest daughter, she renamed herself Sojourner Truth and embarked on a legendary speaking tour. She became known as an electrifying orator...
TED-Ed
TED-Ed: What happened when the United States tried to ban alcohol | Rod Phillips
On January 17, 1920, less than one hour after spirits had become illegal throughout the United States, armed men robbed a Chicago freight train and made off with thousands of dollars worth of whiskey. It was a first taste of the...
TED-Ed
TED-Ed: Performing brain surgery without a scalpel | Hyunsoo Joshua No
Every year, tens of thousands of people have brain surgery without a single incision: there's no scalpel, no operating table, and the patient loses no blood. Instead, this procedure uses a machine that emits invisible beams of light at a...
TED-Ed
TED-Ed: A day in the life of an ancient Greek architect | Mark Robinson
The year is 432 BCE. As dawn breaks over Athens, Pheidias is already late for work. He is the chief builder for the Parthenon — Athens' newest and largest temple— and when he arrives onsite, city officials accuse him of embezzling gold...
TED-Ed
TED-Ed: The surprisingly long history of electric cars | Daniel Sperling and Gil Tal
By the end of the 19th century, nearly 40% of American cars were electric. But these vehicles had a few major problems — early car batteries were expensive and inefficient, and the vehicles were twice the price of a gas-powered car. And...
TED-Ed
TED-Ed: 4 signs of emotional abuse | Viann Nguyen-Feng
Emotional abuse can be incredibly damaging, increasing a person's chances of developing depression and anxiety. But these behaviors can be subtle and difficult to spot, both from within and outside a relationship. It also often makes...
Crash Course
The Columbian Exchange Crash Course World History
In which John Green teaches you about the changes wrought by contact between the Old World and the New. John does this by exploring the totally awesome history book "The Columbian Exchange" by Alfred Cosby, Jr. After Columbus...
Crash Course
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...
Crash Course
American Imperialism Crash Course US History
In which John Green teaches you about Imperialism. In the late 19th century, the great powers of Europe were running around the world obtaining colonial possessions, especially in Africa and Asia. The United States, which as a young...
Crash Course
Who Won the American Revolution Crash Course US History
In which John Green teaches you about the American Revolution. And the Revolutionary War. I know we've labored the point here, but they weren't the same thing. In any case, John will teach you about the major battles of the war, and...
TED-Ed
TED-Ed: When is a pandemic over?
Consider the following scenario: a highly infectious, sometimes deadly respiratory virus infects humans for the first time. It spreads rapidly worldwide, and the WHO declares a pandemic. The death toll starts to rise and everyone is...
TED-Ed
TED-Ed: Are we living in a simulation? | Zohreh Davoudi
All life on Earth— living and inanimate, microscopic and cosmic— is governed by mathematical laws with apparently arbitrary constants. And this opens up a question: If the universe is completely governed by these laws, couldn't a...
SciShow Kids
How to Find a Meteorite!
Maybe you've seen a shooting star, a bright streak of light that zips across the sky! But did you know that those shooting stars are actually rocks falling from space? And sometimes you can find them on the ground! Find out how with...
Crash Course
The Seven Years War and the Great Awakening Crash Course US History
In which John Green teaches you about the beginnings of the American Revolution in a video titled The Seven Years War. Confusing? Maybe. John argues that the Seven Years War, which is often called the French and Indian War in the US,...