TED-Ed
TED-Ed: Brian A. Pavlac: Ugly History: Witch Hunts
In the German town of Nördlingen in 1593, innkeeper Maria Höll found herself accused of witchcraft. She was arrested for questioning, and denied the charges. She insisted she wasn't a witch through 62 rounds of torture before her...
SciShow
Denisovans: Our Mysterious Cousins That Made Us Better
During most of the past 2 million years or so, there were several species of hominins on Earth at any given time. Like, you might be familiar with our famous extinct cousins, the Neanderthals. But since 2010 we’ve been uncovering...
SciShow
Great Minds: Leonardo da Vinci
Leonardo da Vinci was one of the most diversely talented individuals of all time. His "unquenchable curiosity" led him to make discoveries and inventions that were beyond his time, not to mention his numerous artistic masterpieces. Today...
Crash Course
Charles V and the Holy Roman Empire: Crash Course World History
In which John Green teaches you about the Holy Roman Empire by teaching you about Charles V. Charles Hapsburg was the holy Roman Emperor, but he was also the King of Spain. And the King of Germany. And the King of Italy and the Lord of...
TED-Ed
TED-ED: Why do we kiss under mistletoe? - Carlos Reif
The sight of mistletoe may either send you scurrying or, if you have your eye on someone, awaiting an opportunity beneath its snow-white berries. But how did the festive tradition of kissing under mistletoe come about? Carlos Reif...
TED-Ed
TED-ED: The deadly irony of gunpowder - Eric Rosado
In the mid-ninth century, Chinese chemists, hard at work on an immortality potion, instead invented gunpowder. They soon found that this highly inflammable powder was far from an elixir of life -- they put it to use in bombs against...
SciShow
More Higgs boson news
Hank brings us up to date on the latest in the search for the Higgs boson and interviews Fermilab physicist Rob Roser.
Crash Course
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...
SciShow
Apocalypse Averted, Colossal Squid, & Rocket to the Sun?
Hank tells us about near-earth objects & primordial black holes; new developments in evolutionary genetics; a giant squid & a giant radio telescope; & answers viewer questions about disposing of nuclear waste in space.
TED Talks
Melanie Nezer: The fundamental right to seek asylum
Refugee and immigrants rights attorney Melanie Nezer shares an urgently needed historical perspective on the crisis at the southern US border, showing how citizens can hold their governments accountable for protecting the vulnerable. "A...
TED Talks
Steve Keil: A manifesto for play, for Bulgaria and beyond
Steve Keil fights the "serious meme" that has infected his home of Bulgaria -- and calls for a return to play to revitalize the economy, education and society. A sparkling talk with a universal message for people everywhere who are...
TED Talks
Keith Chen: Could your language affect your ability to save money?
What can economists learn from linguists? Behavioral economist Keith Chen introduces a fascinating pattern from his research: that languages without a concept for the future -- "It rain tomorrow," instead of "It will rain tomorrow" --...
TED Talks
TED: Our refugee system is failing. Here's how we can fix it | Alexander Betts
A million refugees arrived in europe this year, says Alexander Betts, and "our response, frankly, has been pathetic." Betts studies forced migration, the impossible choice for families between the camps, urban poverty and dangerous...
TED Talks
TED: Did the global response to 9/11 make us safer? | Benedetta Berti
If we want sustainable, long-term security to be the norm in the world, it's time to radically rethink how we can achieve it, says TED Fellow and conflict researcher Benedetta Berti. In an eye-opening talk, Berti explains how building a...
TED Talks
TED: Your phone company is watching | Malte Spitz
What kind of data is your cell phone company collecting? Malte Spitz wasn’t too worried when he asked his operator in Germany to share information stored about him. Multiple unanswered requests and a lawsuit later, Spitz received 35,830...
TED-Ed
The rise of the Ottoman Empire | Mostafa Minawi
In the late 13th century, Osman I established a small principality sandwiched between a crumbling Byzantine Empire and a weakened Sultanate of the Seljuk of Rum, in what is now Turkey. In just a few generations, this territory had...
TED Talks
Terry Moore: Why is 'x' the unknown?
Why is 'x' the symbol for an unknown? In this short and funny talk, Terry Moore gives the surprising answer.
Crash Course
The Cold War Crash Course US History
In which John Green teaches you about the Cold War, which was the decades long conflict between the USA and the USSR. The Cold War was called cold because of the lack of actual fighting, but this is inaccurate. There was plenty of...
TED Talks
Patricia Ryan: Don't insist on English!
Patricia Ryan is a longtime English teacher who asks a provocative question: Is the world's focus on English preventing the spread of great ideas in other languages? In other words: What if Einstein had to pass the TOEFL? It's a...
TED Talks
Paul Collier: The "bottom billion"
Around the world right now, one billion people are trapped in poor or failing countries. How can we help them? Economist Paul Collier lays out a bold, compassionate plan for closing the gap between rich and poor.
TED Talks
TED: Art that lets you talk back to NSA spies | Mathias Jud
In 2013, the world learned that the NSA and its uK equivalent, GCHQ, routinely spied on the German government. Amid the outrage, artists Mathias Jud and Christoph Wachter thought: Well, if they're listening ... let's talk to them. With...
SciShow
The Bacon Hoax & the Next REAL Food Shortage
Hank eases our minds about the alleged bacon shortage, and informs us of some actual meat shortages we may see the effects of in the coming years.