TED Talks
TED: What the world can learn from Ukraine's fight for democracy | Olesya Khromeychuk
A flourishing democracy next door is a scary thing for an autocrat, says Ukrainian historian Olesya Khromeychuk. Detailing the history of Ukraine's long struggle for sovereignty and freedom — against Russian tsars, communist dictators...
PBS
How a new aristocracy's self-segregation puts stress on society
Growing class division is destabilizing our society, argues author and philosopher Matthew Stewart in a provocative Atlantic magazine cover story. He says there's a group in between the top 0.1 percent and bottom 90 percent that plays an...
Curated Video
Latin American Revolutions: Crash Course World History
In which John Green talks about the many revolutions of Latin America in the 19th century. At the beginning of the 1800s, Latin America was firmly under the control of Spain and Portugal. The revolutionary zeal that had recently created...
Crash Course
World Cinema - Part 2: Crash Course Film History
Africa, the Middle East, and South America have their own vibrant film communities and filmmakers. From social and political commentary to experimental films, these regions have made some very important pieces of cinema over the last...
TED-Ed
TED-Ed: The Earth's age in measurements you can understand - Joshua M. Sneideman
The Earth is 4.6 billion years old -- but how can humans relate to a number so colossal, and where do we fit on the geologic timeline? Comparing the Earth's lifetime to one calendar year, events like the extinction of dinosaurs and...
TED-Ed
TED-Ed: How Phillis Wheatley captured the attention of the world | Charita Gainey
In 1775, General George Washington received a poem from one of colonial America's most famous writers. Its verses praised the burgeoning revolution, invoking the goddess of their new nation to aid the general's cause. But this ode to...
TED Talks
TED: Why design should include everyone | Sinead Burke
Sinead Burke is acutely aware of details that are practically invisible to many of us. At 105 centimeters (or 3' 5") tall, the designed world -- from the height of a lock to the range of available shoe sizes -- often inhibits her ability...
TED-Ed
TED-Ed: A day in the life of a Cossack warrior - Alex Gendler
Join the Cossack soldier Stepan as he tries to keep order in the battalion and help his people regain their independence. -- The year is 1676, and a treaty has officially ended hostilities between the Polish-Lithuanian Commonwealth and...
Crash Course
Haitian Revolutions: Crash Course World History
Ideas like liberty, freedom, and self-determination were hot stuff in the late 18th century, as evidenced by our recent revolutionary videos. Although freedom was breaking out all over, many of the societies that were touting these ideas...
TED-Ed
TED-Ed: Do you have what it takes to freelance? | TED-Ed
A 2016 survey of freelancers in six countries found that those who freelance by choice– 70% of respondents– were happier than people in traditional jobs, specifically when it came to things like independence and flexibility in terms of...
Crash Course
History of the 4th of July Crash Course US History Special
In which John Green teaches you a bit about the 4th of July. In this special short Crash Course, John celebrates American Independence Day by teaching you how the holiday came to be on the 4th of July, and the many ways that Americans...
Crash Course
Taxes & Smuggling - Prelude to Revolution Crash Course US History
In which John Green teaches you about the roots of the American Revolution. The Revolution did not start on July 4, 1776. The Revolutionary War didn't start on July 4 either. (as you remember, I'm sure, the Revolution and the...
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
Chi-Square Tests - Crash Course Statistics
Today we're going to talk about Chi-Square Tests - which allow us to measure differences in strictly categorical data like hair color, dog breed, or academic degree. We'll cover the three main Chi-Square tests: goodness of fit test, test...
Crash Course
Decolonization: Crash Course European History
After World War II, Europe was changing radically, and its place in the world was changing as well. European powers had colonized around the world in the 18th and 19th centuries, and in the 20th century, it all came crashing down. Of...
Crash Course
The US Constitution, 3 5, and the Slave Trade Clause Crash Course Black American History
The drafting and adoption of the United States Constitution recalled many of the high ideals of liberty and freedom that were espoused during the Revolutionary War. But the compromises that were made to get all of the new states on board...
3Blue1Brown
The quick proof of Bayes' theorem
A short explanation of why Bayes' theorem is true, together with discussion on a common misconception in probability
TED-Ed
TED-ED: What you might not know about the Declaration of Independence - Kenneth C. Davis
In June 1776, a little over a year after the start of the American Revolutionary War, the US Continental Congress huddled together in a hot room in Philadelphia to talk independence. Kenneth C. Davis dives into some of the lesser known...
Crash Course
Haitian Revolutions Crash Course World History
Ideas like liberty, freedom, and self-determination were hot stuff in the late 18th century, as evidenced by our recent revolutionary videos. Although freedom was breaking out all over, many of the societies that were touting these ideas...
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
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...
Crash Course
Latin American Revolutions Crash Course World History
In which John Green talks about the many revolutions of Latin America in the 19th century. At the beginning of the 1800s, Latin America was firmly under the control of Spain and Portugal. The revolutionary zeal that had recently created...
Curated Video
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...