TED-Ed
TED-ED: History vs. Cleopatra - Alex Gendler
She was the most notorious woman in ancient history, a queen who enraptured not one but two of Rome's greatest generals. But was she just a skilled seductress or a great ruler in her own right? Alex Gendler puts this controversial figure...
TED Talks
France Villarta: The gender-fluid history of the Philippines
In much of the world, gender is viewed as binary: man or woman, each assigned characteristics and traits designated by biological sex. But that's not the case everywhere, says France Villarta. In a talk that's part cultural love letter,...
Crash Course
Party Systems: Crash Course Government and Politics
Today, Craig is going to dive into the history of American political parties. So throughout most of United States history our political system has been dominated by a two-party system, but the policies and the groups that support these...
SciShow
How the Vitamins Got Their Names
The list of vitamins can be kind of confusing, what with all those B vitamins and a random K thrown in. But every name has its story.
TED-Ed
TED-ED: What can you learn from ancient skeletons? - Farnaz Khatibi
Ancient skeletons can tell us a great deal about the past, including the age, gender and even the social status of its former owner. But how can we know all of these details simply by examining some old, soil-caked bones? Farnaz Khatibi...
Crash Course
World War II: Crash Course World History
In which John Green teaches you about World War II, aka The Great Patriotic War, aka The Big One. So how did this war happen? And what does it mean? We've all learned the facts about World War II many times over, thanks to repeated...
TED-Ed
TED-Ed: The Greek myth of Talos, the first robot | Adrienne Mayor
Hephaestus, god of technology, was hard at work on his most ingenious invention yet. He was creating a new defense system for King Minos, who wanted fewer intruders on his island kingdom of Crete. But mortal guards and ordinary weapons...
TED-Ed
TED-Ed: The rise and fall of the Celtic warriors | Philip Freeman
One summer evening in 335 BCE, Alexander the Great was resting by the Danube River when a band of strangers approached his camp. Alexander had never seen anything like these tall, fierce-looking warriors with huge golden neck rings and...
MinuteEarth
The Actual Reason Men Die First
Because females often outlive males, behavior is often blamed - but there is a decent chance our sex chromosomes might be to blame instead.
SciShow
The Truth About 10 Famous Inventions
Did Thomas Edison invent the lightbulb? I mean... kind of... but also... no. Every great, world-changing invention is the culmination of efforts by dozens or hundreds of people, spanning decades or centuries.
TED Talks
Geena Rocero: Why I must come out
When fashion model Geena Rocero first saw a photo of herself in a bikini, "I thought ... you have arrived!" As she reveals, that's because she was born with the gender assignment "boy." In this moving talk, Rocero tells the story of...
MinuteEarth
How to Work From Home as a Team
We've worked as a team - remotely - for seven years, and we're sharing some of our favorite tips for making it work.
TED-Ed
TED-ED: The philosophy of Stoicism - Massimo Pigliucci
What is the best life we can live? How can we cope with whatever the universe throws at us and keep thriving nonetheless? The ancient Greco-Roman philosophy of Stoicism explains that while we may not always have control over the events...
TED-Ed
Why should you read Toni Morrison's "Beloved"? | Yen Pham
Two tiny handprints stamped into a cake. A mirror that shatters without warning. A trail of cracker crumbs strewn along the floor. Everyone at 124 Bluestone Road knows their home is haunted— but there's no mystery about the spirit...
Crash Course
The Cold War in Asia Crash Course US History
In which John Green teaches you about the Cold War as it unfolded in Asia. As John pointed out last week, the Cold War was occasionally hot, and a lot of that heat was generated in Asia. This is starting to sound weird with the hot/cold...
TED-Ed
TED-ED: How does impeachment work? - Alex Gendler
For most jobs, it's understood that you can be fired _ whether for crime, incompetence, or just poor performance. But what if your job happens to be the most powerful position in the country _ or the world? That's where impeachment comes...
TED-Ed
TED-Ed: The true story of Sacajawea - Karen Mensing
In the early 19th century, a young Agaidika teenager named Sacajawea was enlisted by explorers Meriwether Lewis and William Clark to aid her husband Toussaint Charbonneau as a guide to the Western United States. Karen Mensing debunks...
MinuteEarth
MinuteEarth Explains: Battle of the Sexes
In this collection of classic MinuteEarth videos, we take a look at how deep the divide between males and females actually goes.
TED Talks
TED: 3 questions to ask yourself about US citizenship | Jose Antonio Vargas
At age 16, journalist and filmmaker Jose Antonio Vargas found out he was in the United States illegally. Since then, he's been thinking deeply about immigration and what it means to be a US citizen -- whether it's by birth, law or...
TED-Ed
TED-Ed: Building the impossible: Golden Gate Bridge | Alex Gendler
Stretching 227 meters tall, two towers were assembled to support California's Golden Gate Bridge. They were just one of the challenges facing engineers Charles Ellis and Joseph Strauss. Even before construction began, many thought the...
TED-Ed
TED-Ed: How do vaccines work? - Kelwalin Dhanasarnsombut
The first ever vaccine was created when Edward Jenner, an English physician and scientist, successfully injected small amounts of a cowpox virus into a young boy to protect him from the related (and deadly) smallpox virus. But how does...
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
Migrations and Intensification Crash Course Big History 7
In which Hank and John Green teach you about humanity conquering the Earth. Or at least moving from Africa into the rest of the Earth. As human beings spread out across the world and populations grew, humanity reached a critical mass of...
TED-Ed
TED-Ed: Why do women have periods?
A handful of species on Earth share a seemingly mysterious trait: a menstrual cycle. We're one of the select few mammals on Earth that menstruate, and we also do it more than any other animal, even though it's a waste of nutrients, and...