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The last chief of the Comanches and the fall of an empire - Dustin Tahmahkera

Get to know the story of Quanah Parker, a Native American warrior and leader, and the last chief of the Comanche tribe. -- Late one night in 1871, a group of riders descended on a sleeping army camp, stole about 70 horses, and disappeared. Led by a young chief named Quanah Parker, the raid was the latest in a long...

Can you solve the Ragnarok riddle? - Dan Finkel

Practice more problem-solving at https://brilliant.org/TedEd/ -- Ragnarok: The fabled end of the world, when giants, monsters, and Norse gods battle for the future. The gods were winning until the great serpent Jörmungandr emerged. It swallowed Valhalla and contorted itself across the land. Odin has just enough power to strike with one final bolt of lightning, and you have the fabled...

What do all languages have in common? - Cameron Morin

Dig into Noam Chomsky’s theory of universal grammar and decide: are there universal grammar rules and are they hardwired into our brains? -- Language is endlessly variable. Each of us can come up with an infinite number of sentences in our native language, and we’re able to do so from an early age— almost as soon as we start to...

First person vs. Second person vs. Third person - Rebekah Bergman

Discover how point of view can transform a story, and find out how to choose between first, second, and third person in your writing. -- Who is telling a story, and from what perspective, are some of the most important choices an author makes. Told from a different point of view, a story can transform completely. Third person, first person,...

The Factory | Think Like A Coder, Ep 9

The adventure continues! Episode 9: Ethic, Hedge, and Lemma have made it to the last artifact: The Node of Memory. Can they retrieve it before the bots arrive? -- This is episode 9 of our animated series “Think Like A Coder.” This 10-episode narrative follows a girl, Ethic, and her robot companion, Hedge, as they attempt to save the world....

A day in the life of a teenage samurai - Constantine N. Vaporis

Follow Mori Banshirô, a young samurai in training, as he studies the twin paths of literary learning and the martial arts. -- The year is 1800 in the castle town of Kôchi, Japan. It’s just after sunrise, and 16-year-old Mori Banshirô is already hard at work practicing drills with his long sword. He is an ambitious samurai in training, and...

What yoga does to your body and brain - Krishna Sudhir

Explore the ancient tradition of yoga, and discover how its blend of physical and mental exercise impacts your health. -- There are many different approaches to modern yoga— though most forms have three core elements: physical postures, breathing exercises, and spiritual contemplation.This blend of physical and mental exercise is widely believed to have a unique set of health advantages. But...

Can steroids save your life? - Anees Bahji

Explore the science of how corticosteroids sneak into our cells to help fight allergic reactions, rashes, asthma, and harmful immune responses. -- Steroids: they’re infamous for their use in sports. But they’re also found in inhalers, creams to treat poison ivy and eczema, and shots to ease inflammation. The steroids in these medicines aren’t the same as those used to...

How fast can a vaccine be made? - Dan Kwartler

Dig into the three key phases of developing a new vaccine: exploratory research, clinical testing, and manufacturing. -- When a new pathogen emerges, our bodies and healthcare systems are left vulnerable. And when this pathogen causes the outbreak of a pandemic, there’s an urgent need for a vaccine to create widespread immunity with minimal loss of life. So how quickly...

Which voting system is the best? - Alex Gendler

Dive into four different voting systems: plurality, instant runoff, tactical, and the Condorcet method, and find out which is fairest. -- Imagine we want to build a new space port at one of four recently settled Martian bases, and are holding a vote to choose its location. Of the 100 colonists on Mars, 42 live on West Base, 26 on...

What can DNA tests really tell us about our ancestry? - Prosanta Chakrabarty

Dig into the science of how ancestry DNA tests work, their accuracy, and why tracing ancestry is so complicated. -- Two sisters take the same DNA test. The results show that one sister is 10% French, the other 0%. Both sisters share the same two parents, and therefore the same set of ancestors. So how can one be 10% more...

How to see more and care less: The art of Georgia O''Keeffe - Iseult Gillespie

Get to know the life and works of painter and sculptor Georgia O’Keeffe, whose art became a cornerstone of American Modernism. -- Feeling disconnected from creating art within classical conventions, artist Georgia O’Keeffe began experimenting with abstract drawings that defied easy classification. Using the shapes and rhythms of nature to capture her internal world, these experiments became the cornerstone of...

“What happened when we all stopped” narrated by Jane Goodall

An animated poem exploring how the Covid-19 pandemic has reminded us of the importance of living in harmony with nature. Download a free children''s book version: https://bit.ly/TEDEdWhisper #WorldEnvironmentDay -- As millions around the world shelter at home, the smog melts away, the birds sing, and the waters run clear. What if we used this moment in our lives and in...

A day in the life of an ancient Peruvian shaman - Gabriel Prieto

Follow Quexo, a Peruvian shaman, as he searches for cinnabar to complete a special ritual that will protect his village from winter storms. -- The year is 1400 BCE. At the temple of the fisherman, the morning is unusually still and this is just the latest in a series of troubling signs for Quexo, the village shaman. The villagers live...

When is a pandemic over?

Explore the three strategies governments and communities can use to contain and end a pandemic, and find out which method is best. -- Consider the following scenario: a highly infectious, sometimes deadly respiratory virus infects humans for the first time. It spreads rapidly worldwide, and the WHO declares a pandemic. The death toll starts to rise and everyone is asking...

What is phantom traffic and why is it ruining your life? - Benjamin Seibold

Download a free audiobook version of "Astrophysics for People in a Hurry" and support TED-Ed''s nonprofit mission: https://www.audible.com/ted-ed Check out our full book recommendation: https://shop.ed.ted.com/collections/ted-ed-book-recommendations/products/astrophysics-for-people-in-a-hurry -- 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 limit, or narrowing of the road. So why...

Why should you read “Moby Dick”? - Sascha Morrell

Dive into Herman Melville’s classic novel “Moby Dick,” the story of Captain Ahab’s hunt for revenge against the white whale who bit off his leg. -- A mountain separating two lakes. A room papered floor to ceiling with bridal satins. The lid of an immense snuffbox. These seemingly unrelated images take us on a tour of a sperm whale’s head...

How do ventilators work? - Alex Gendler

Take a journey into the respiratory system to see how ventilators bypass constricted airways and help damaged lungs send oxygen to the body. -- In the 16th century, physician Andreas Vesalius described how a suffocating animal could be kept alive by inserting a tube into its trachea and blowing air to inflate its lungs. Today, Vesalius’s treatise is recognized as...

Can you solve the world’s most evil wizard riddle? - Dan Finkel

Practice more problem-solving at https://brilliant.org/TedEd/ -- 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 if you can survive until they arrive, they should be able to help stop him. Can you keep MoldeVort trapped long enough for help to...

How do virus tests actually work? - Cella Wright

Dig into two testing techniques for viruses: PCR tests to diagnose an infection and immunoassays to detect antibodies. -- 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 testing techniques are critical: one tells you if you have the virus and the other shows...

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