Crash Course
The 17th Century Crisis: Crash Course European History
The 17th Century in Europe was pretty rough in a lot of ways. The Thirty Years War involved a lot of countries, and a lot of battles, and it was terrible for everyone involved, as wars have aa historical tendency to be. At the same time,...
SciShow Kids
All About Volcanoes How They Form, Eruptions & More!
Jessi and Squeaks explore nature’s way of letting off a little steam.
Crash Course
Migration: Crash Course European History
Between 1840 and 1914, an estimated 40 million people left Europe. This is one of the most significant migrations in human history. So, who was leaving Europe? And why? Crash Course is on Patreon! You can support us directly by signing...
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...
SciShow
Science on Trial in Italy
Hank has some thoughts on the news that several Italian scientists who were convicted of 29 counts manslaughter for making an "inadequate risk-assessment" before an earthquake.
Crash Course
How the Leaning Tower of Pisa Was Saved: Crash Course Engineering #40
This week we’re going underground to explore geotechnical and seismic engineering. We’ll look at how structures connect to the ground and transmit loads through their foundations, and how those foundations need to provide a high bearing...
TED Talks
Carlo Ratti: Architecture that senses and responds
With his team at SENSEable City Lab, MIT's Carlo Ratti makes cool things by sensing the data we create. He pulls from passive data sets -- like the calls we make, the garbage we throw away -- to create surprising visualizations of city...
TED Talks
TED: How I'm using LEGO to teach Arabic | Ghada Wali
After a visit to a European library in search of Arabic and Middle Eastern texts turned up only titles about fear, terrorism and destruction, Ghada Wali resolved to represent her culture in a fun, accessible way. The result: a colorful,...
Crash Course
Post-War Rebuilding and the Cold War: Crash Course European History
Sometimes, friendship isn't forever. At the conclusion of World War II, the old structures of power were a shambles. The traditional European powers were greatly weakened by years of total war and widespread destruction. The USSR was...
Crash Course
Post-World War I Recovery: Crash Course European History
In which John Green looks at Europe's attempts to recover from the devastation of World War I and forge a lasting peace. The peace did not last. Today we're talking about the economic cultural recovery of the 1920s, and the economic...
MinutePhysics
Faster Than Light Neutrinos (maybe) - Field Trip!
Come with us to Italy to find out what went into measuring the FTL neutrinos.
Crash Course
World War II Civilians and Soldiers: Crash Course European History
Our look at World War II continues with a closer examination of just how the war impacted soldiers in the field, and the people at home. For many of the combatants, the homefront and the warfront were one and the same. The war disrupted...
Crash Course
Florence and the Renaissance: Crash Course European History
The Renaissance was a cultural revitalization that spread across Europe, and had repercussions across the globe, but one smallish city-state in Italy was in many ways the epicenter of the thing. Florence, or as Italians might say,...
SciShow
Can Animals Predict Earthquakes?
You might have heard about animals behaving oddly right before an earthquake hits. But are these reports more than just anecdotes?
TED Talks
Rob Forbes: Ways of seeing
Rob Forbes, the founder of Design Within Reach, shows a gallery of snapshots that inform his way of seeing the world. Charming juxtapositions, found art, urban patterns -- this slideshow will open your eyes to the world around you.
TED-Ed
TED-Ed: Why doesn't the Leaning Tower of Pisa fall over? | Alex Gendler
In 1990, the Italian government enlisted top engineers to stabilize Pisa's famous Leaning Tower. There'd been many attempts during its 800 year history, but computer models revealed the urgency of their situation. The tower would topple...
PBS
When Apes Conquered Europe
Today, our closest evolutionary relatives, the apes, live only in small pockets of Africa and Asia. But back in the Miocene epoch, apes occupied all of Europe. Why aren't there wild apes in Europe today?
TED-Ed
TED-Ed: The last living members of an extinct species | Jan Stejskal
In the savannahs of Kenya, two female northern white rhinos, Nájin and Fatu, munch contentedly on grass. They are the last two known northern white rhinos left on Earth. Their species is functionally extinct— without a male, they can't...
Crash Course
Economic Depression and Dictators: Crash Course European History
We're still leading up to World War II, but first we gotta talk about the rise of the dictators. Today we talk about the rise of militaristic dictatorships in Germany, the Soviet Union, Japan, and Spain, and the economic depression that...
SciShow
Beware the Bug Spit: How Spittlebugs Accidentally Doom Plants
Ever wondered what makes those balls of white foam you sometimes find clinging to plants? Spittlebugs create these bubbly cocoons after feeding on a plant’s fluids; but unfortunately, their eating habits help transmit a deadly bacteria...
TED Talks
TED: Deep under the earth's surface, discovering beauty and science | Francesco Sauro
Cave explorer and geologist Francesco Sauro travels to the hidden continent under our feet, surveying deep, dark places inside the earth that humans have never been able to reach before. In the spectacular tepuis of South America, he...
TED-Ed
TED-Ed: Pazit Cahlon and Alex Gendler: What "Machiavellian" really means
From Shakespeare's plays to modern TV dramas, the unscrupulous schemer for whom the ends always justify the means has become a familiar character type we love to hate. For centuries, we've had a single word to describe such characters:...
TED Talks
TED: A new approach to defending the human rights of migrants | Itamar Mann
In this gripping talk, litigator and TED Fellow Itamar Mann details the perilous boat migrations of asylum seekers crossing the Mediterranean Sea. With a surplus of evidence gathered by researchers and activists, he explains how lawyers...
TED-Ed
TED-ED: The history of the Cuban Missile Crisis - Matthew A. Jordan
Imagine going about your life knowing that, at any given moment, you and everyone you know could be wiped out without warning at the push of a button. This was the reality for millions of people during the forty-five year period after...