TED-Ed: Lessons Worth Sharing
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TED-Ed: Lessons Worth Sharing
TED-Ed's commitment to creating lessons worth sharing is an extension of TED's mission of spreading great ideas. Within TED-Ed's growing library of TED-Ed animations, you will find carefully curated educational videos, many of which represent collaborations between talented educators and animators n...
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101 эпизодовCan you solve the honeybee riddle? | Dan Finkel
You're a biologist on a mission to keep the rare honeybee Apis Trifecta from going extinct. The last 60 bees of the species are in your terrarium. You...
Ethical dilemma: The burger murders | George Siedel and Christine Ladwig
You founded a company that manufactures meatless burgers that are sold in stores worldwide. But you've recently received awful news: three people in o...
No one can figure out how eels have sex | Lucy Cooke
From Ancient Greece to the 20th century, Aristotle, Freud, and numerous other scholars were all looking for the same thing: eel testicles. Freshwater...
How do our brains process speech? | Gareth Gaskell
The average 20-year-old knows between 27,000 and 52,000 different words. Spoken out loud, most of these words last less than a second. With every word...
The myth of Jason, Medea, and the Golden Fleece | Iseult Gillespie
In Colchis, the hide of a mystical flying ram hangs from the tallest oak, guarded by a dragon who never sleeps. The only way Jason can pry it from Kin...
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 s...
The Egyptian myth of the death of Osiris | Alex Gendler
Long jealous of his older brother Osiris, the god who ruled all of Egypt, the warrior god Set plotted to overthrow him. Hosting an extravagant party a...
The race to decode a mysterious language | Susan Lupack
In the early 1900s, archaeologist Sir Arthur Evans uncovered nearly 3,000 tablets inscribed with strange symbols. He thought the script, dubbed Linear...
Volcanic eruption explained | Steven Anderson
In February of 1942, Mexican farmer Dionisio Pulido thought he heard thunder coming from his cornfield. However, the sound wasn't coming from the sky....
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 ma...
The tale of the boy who tricked the Devil | Iseult Gillespie
In a small town, a proud mother showed off her newborn son. Upon noticing his lucky birthmark, townsfolk predicted he would marry a princess. But soon...
The greatest mathematician that never lived | Pratik Aghor
When Nicolas Bourbaki applied to the American Mathematical Society in the 1950s, he was already one of the most influential mathematicians of his time...
Why the @#$% is there so much traffic? | Benjamin Seibold
You're cruising down the highway when all of a sudden endless rows of brake lights appear ahead. There's no accident, no stoplight, no change in speed...
Why should you read "Moby Dick"? | Sascha Morrell
A mountain separating two lakes. A room papered floor to ceiling with bridal satins. The lid of an immense snuffbox. These seemingly unrelated images...
How do ventilators work? | Alex Gendler
In the 16th century, physician Andreas Vesalius described how a suffocating animal could be kept alive by inserting a tube into its trachea and blowin...
Can you solve the world's most evil wizard riddle? | Dan Finkel
The evil wizard MoldeVort has been trying to kill you for years, and today it looks like he's going to succeed. But your friends are on their way, and...
How do you know if you have a virus? | Cella Wright
A new virus emerges and spreads like wildfire. In order to contain it, researchers must first collect data about who's been infected. Two main viral t...
What is a coronavirus? | Elizabeth Cox
For almost a decade, scientists chased the source of a deadly new virus through China's tallest mountains and most isolated caverns. They finally foun...
A day in the life of an Aztec midwife | Kay Read
The midwife Xoquauhtli has a difficult choice to make. She owes a debt to her patron Teteoinnan, the female warrior goddess at the center of the Aztec...
What causes opioid addiction, and why is it so tough to combat? | Mike Davis
In the 1980s and 90s, pharmaceutical companies began to market opioid painkillers aggressively, while actively downplaying their addictive potential....
Which is better: Soap or hand sanitizer? | Alex Rosenthal and Pall Thordarson
Your hands, up close, are anything but smooth. With peaks and valleys, folds and rifts, there are plenty of hiding places for a virus to stick. If you...
What really happened during the Salem Witch Trials | Brian A. Pavlac
You've been accused of a crime you did not commit. It's impossible to prove your innocence. If you insist that you're innocent anyway, you'll likely b...
What happens if you cut down all of a city's trees? | Stefan Al
By 2050, it's estimated that over 65% of the world will be living in cities. We may think of nature as being unconnected to our urban spaces, but tree...
The wildly complex anatomy of a sneaker | Angel Chang
Australians call them "runners." The British know them as "trainers." Americans refer to them as "sneakers." Whatever you call them, these casual shoe...
What's the point(e) of ballet? | Ming Luke
A baby cursed at birth. A fierce battle of good and evil. A true love awoken with a kiss. Since premiering in 1890, "The Sleeping Beauty" has become o...
The Gauntlet | Think Like A Coder, Ep 8 | Alex Rosenthal
This is episode 8 of our animated series "Think Like A Coder." This 10-episode narrative follows a girl, Ethic, and her robot companion, Hedge, as the...
The bug that poops candy | George Zaidan
Aphids can reproduce incredibly fast: they can make 20 new generations within a single season. And that means lots of poop. Some aphid populations can...
The hidden life of Rosa Parks | Riché D. Richardson
Throughout her life, Rosa Parks repeatedly challenged racial violence and the prejudiced systems protecting its perpetrators. Her refusal to move to t...
How does alcohol make you drunk? | Judy Grisel
Ethanol: this molecule, made of little more than a few carbon atoms, is responsible for drunkenness. Often simply referred to as alcohol, ethanol is t...
How Sun Wukong escaped the underworld | Shunan Teng
The Monkey King, a legendary troublemaker hatched from stone and schooled in divine magic, had stolen the Dragon Lord's most treasured weapon: a magic...
The art forger who tricked the Nazis | Noah Charney
It was one of the strangest trials in Dutch history. The defendant in a 1947 case was an art forger who had counterfeited millions of dollars worth of...
Can you solve the sea monster riddle? | Daniel Finkel
According to legend, once every thousand years a host of sea monsters emerges from the depths to demand tribute from the floating city of Atlantartica...
History vs. Sigmund Freud | Todd Dufresne
Working in Vienna at the turn of the 20th century, he began his career as a neurologist before pioneering the discipline of psychoanalysis, and his in...
How the world's longest underwater tunnel was built | Alex Gendler
Flanked by two powerful nations, the English Channel has long been one of the world's most important maritime passages. Yet for most of its history, c...
What is schizophrenia? | Anees Bahji
Schizophrenia was first identified more than a century ago, but we still don't know its exact causes. It remains one of the most misunderstood and sti...
Why isn't the Netherlands underwater? | Stefan Al
In January 1953, a tidal surge shook the North Sea. The titanic waves flooded the Dutch coastline, killing almost 2,000 people. 54 years later, a simi...
The princess exiled from ancient Mesopotamia | Soraya Field Fiorio
4,300 years ago in ancient Sumer, the most powerful person in the city of Ur was banished to wander the vast desert. Her name was Enheduanna, and by t...
The imaginary king who changed the real world | Matteo Salvadore
In 1165, copies of a strange letter began to circulate throughout Europe. It spoke of a fantastical realm, containing the Tower of Babel and the Fount...
How one scientist took on the chemical industry | Mark Lytle
In 1958, after receiving a letter describing the deaths of songbirds due to the pesticide known as DDT, Rachel Carson began an investigation into the...
How can we solve the antibiotic resistance crisis? | Gerry Wright
Antibiotics: behind the scenes, they enable much of modern medicine. We use them to cure infectious diseases, and to safely facilitate everything from...