Search Results: "carcinoma in situ"

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02:09 Popular $What is a fractal? A lens to infinity$
What is a fractal? A lens to infinity

1,243 views / 1 likes - added 5 years ago

A fractal pattern is a kind of equation occurring all around us in nature. So what's a fractal and what does it have to do with nautiluses, romanesco broccoli, Star Trek II: The Wrath of Khan, peacocks, and predicting diseases? SUBSCRIBE! for more Popular
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Experiment pulls oxygen from thin air on Mars | CBC Kids News

389 views / 0 likes - added 2 years ago

When the Perseverance rover landed on Mars this winter, it was carrying a box slightly bigger than a toaster with abilities that go way beyond making toast. The experimental device, called MOXIE, was designed to pull oxygen out of thin air literally. And
05:45 Popular
How aspirin was discovered - Krishna Sudhir

854 views / 1 likes - added 6 years ago

Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/how-aspirin-was-discovered-krishna-sudhir 4000 years ago, the ancient Sumerians made a surprising discovery: if they scraped the bark off a particular k
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06:04 Popular
The life cycle of a t-shirt - Angel Chang

955 views / 3 likes - added 6 years ago

Learn more about TED-Ed Clubs here: https://ed.ted.com/clubs View full lesson: https://ed.ted.com/lessons/the-life-cycle-of-a-t-shirt-angel-chang Consider the classic white t-shirt. Annually, we sell and buy 2 billion t-shirts globally, making it one of t
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04:47 Popular
Can you solve the egg drop riddle? - Yossi Elran

1,161 views / 1 likes - added 6 years ago

Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/can-you-solve-the-egg-drop-riddle-yossi-elran The city has just opened its one-of-a-kind Faberge Egg Museum, with a single egg displayed on each floor o
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05:30
NASAs Gold Box Will Make Oxygen on Mars

383 views / 0 likes - added 4 years ago

NASAs next rover mission has a special device aboard thatll do something revolutionary: make oxygen on Mars for the first time. Subscribe to Seeker! http://bit.ly/subscribeseeker Watch more Focal Point | https://bit.ly/2s0cf7w Visit our shop at http://sho
05:13 Popular
Can you solve the rogue AI riddle? - Dan Finkel

967 views / 0 likes - added 5 years ago

Practice more problem-solving at https://brilliant.org/TedEd/ If you sign up for a FREE membership using the link above, Brilliant will email you the solution to the BONUS RIDDLE. A hostile artificial intelligence called NIM has taken over the world’s com
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Why is meningitis so dangerous? - Melvin Sanicas

466 views / 0 likes - added 5 years ago

Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/why-is-meningitis-so-dangerous-melvin-sanicas In 1987, thousands of people gathered in Saudi Arabia for the annual Hajj pilgrimage. But what started out
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How to manage your time more effectively (according to machines) - Brian Christian

678 views / 0 likes - added 6 years ago

Download a free audiobook and support TED-Ed's nonprofit mission: http://adbl.co/2lFSkUw Check out Brian Christian and Tom Griffiths' "Algorithms to Live By": http://bit.ly/2CadQrt View full lesson: https://ed.ted.com/lessons/how-to-manage-your-time-more-
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Why don’t poisonous animals poison themselves? - Rebecca D. Tarvin

685 views / 1 likes - added 5 years ago

Have you checked out our Patreon page? https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/why-don-t-poisonous-animals-poison-themselves-rebecca-d-tarvin Thousands of animal species use toxic chemicals to defend themselves from pred
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03:33 Popular
What causes constipation? - Heba Shaheed

990 views / 0 likes - added 6 years ago

Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/what-causes-constipation-heba-shaheed Visiting the bathroom is part of the daily human experience. But occasionally, constipation, a condition that caus
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Can you solve the rebel supplies riddle? - Alex Gendler

1,003 views / 0 likes - added 5 years ago

Practice more problem-solving at https://brilliant.org/TedEd/ Solution to Bonus Riddle: https://brilliant.org/tededmislabelledboxes/ You’re overseeing the delivery of supplies to a rebel base in the heart of enemy territory. To get past customs, all packa
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The history of the world according to cats - Eva-Maria Geigl

649 views / 1 likes - added 5 years ago

Sign up for our newsletter and never miss an animation: http://bit.ly/TEDEdNewsletter View full lesson: https://ed.ted.com/lessons/the-history-of-the-world-according-to-cats-eva-maria-geigl In ancient times, wildcats were fierce carnivorous hunters. And u
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Why is it so hard to cure ALS? - Fernando G. Vieira

519 views / 0 likes - added 6 years ago

Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/why-is-it-so-hard-to-cure-als-fernando-vieira Amyotrophic Lateral Sclerosis (ALS), also called motor neuron disease and Lou Gehrig’s Disease, affects ab
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Everything you need to know to read “The Canterbury Tales” - Iseult Gillespie

637 views / 0 likes - added 5 years ago

Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/everything-you-need-to-know-to-read-the-canterbury-tales-iseult-gillespie A portly Miller, barely able to sit on his horse, rambles on about the flighty
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From slave to rebel gladiator: The life of Spartacus - Fiona Radford

482 views / 1 likes - added 5 years ago

Sign up for our newsletter and never miss an animation: http://bit.ly/TEDEdNewsletter View full lesson: https://ed.ted.com/lessons/from-slave-to-rebel-gladiator-the-life-of-spartacus-fiona-radford Spartacus was a slave -- one of millions taken from territ
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The most successful pirate of all time - Dian Murray

668 views / 1 likes - added 6 years ago

Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-most-successful-pirate-of-all-time-dian-murray At the height of their power, infamous Caribbean pirates like Blackbeard and Henry Morgan commanded a
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The psychology of post-traumatic stress disorder - Joelle Rabow Maletis

640 views / 0 likes - added 5 years ago

View full lesson: https://ed.ted.com/lessons/the-psychology-of-post-traumatic-stress-disorder-joelle-maletis Many of us will experience some kind of trauma during our lifetime. Sometimes, we escape with no long-term effects. But for millions of people, th
05:03 Popular
The weird and wonderful metamorphosis of the butterfly - Franziska Bauer

974 views / 0 likes - added 6 years ago

Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-weird-and-wonderful-metamorphosis-of-the-butterfly-franziska-bauer In order to become a butterfly, a caterpillar’s body dissolves almost completely
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04:33
How to build a dark matter detector - Jenna Saffin

686 views / 0 likes - added 6 years ago

Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/how-to-build-a-dark-matter-detector-jenna-saffin More than 2 kilometers below the surface of northern Ontario, suspended in 345,000 liters of ultra-pure
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05:16
Does time exist? - Andrew Zimmerman Jones

588 views / 0 likes - added 5 years ago

Download a free audiobook version of "A Brief History of Time" and support TED-Ed's nonprofit mission: https://adbl.co/2NWYjAh Check out our full book recommendation: https://shop.ed.ted.com/collections/ted-ed-book-recommendations/products/a-brief-history
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05:19
What do all languages have in common? - Cameron Morin

302 views / 1 likes - added 3 years ago

Dig into Noam Chomskys 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, a
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How does the Rorschach inkblot test work? - Damion Searls

347 views / 0 likes - added 5 years ago

What are the origins of the Rorschach test and how does it work? Explore the inkblot tool psychologists use to test a subject’s perceptions and mental health. -- For nearly a century, ten inkblots have been used as an almost mystical personality test. Lon
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How do our brains process speech? - Gareth Gaskell

405 views / 0 likes - added 3 years ago

Learn how to identify, develop, and share your best ideas with TED Masterclass: http://bit.ly/tedmasterclass -- 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 eve
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What causes panic attacks, and how can you prevent them? - Cindy J. Aaronson

272 views / 0 likes - added 3 years ago

Dig into the science of what triggers panic attacks, how to recognize them, and the available treatments for panic disorder.--Countless poets and writers have tried to put words to the experience of a panic attack a sensation so overwhelming, many people
04:54 Popular
Why are earthquakes so hard to predict? - Jean-Baptiste P. Koehl

1,262 views / 7 likes - added 5 years ago

Take a look at the theories behind why earthquakes occur, what makes them so hard to predict and the warning system technologies we rely on today. -- In 132 CE, Zhang Heng presented his latest invention: a large vase he claimed could tell them whenever an
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05:18
What makes TB the world's most infectious killer? - Melvin Sanicas

327 views / 0 likes - added 4 years ago

Learn why tuberculosis, TB, is the worlds most infectious disease and how medical advancements are improving treatment. --In 2008, two 9,000-year old skeletons were found with their bones infected by an all too familiar bacterium. The ancient Greeks knew
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One of the most epic engineering feats in history - Alex Gendler

489 views / 0 likes - added 4 years ago

Dig into the history of the construction of the iconic Brooklyn Bridge and how John Roebling designed a hybrid suspension system to build it. --In the mid-19th century, suspension bridges were collapsing all across Europe. Their industrial cables frayed a
05:28 Popular
The tale of the doctor who defied Death - Iseult Gillespie

723 views / 0 likes - added 4 years ago

Dive into the German tale of Godfather Death and his godson, the doctor who tries to master mortality.--A husband and wife were in despair. The woman had just given birth to their 13th child, and the growing family was quickly running out of food and mone
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How the Monkey King escaped the underworld - Shunan Teng

518 views / 0 likes - added 4 years ago

Meet Sun Wukong, the Monkey King, and follow his journey to the Realm of the Dead and his fierce battle to escape the underworld.--The Monkey King, a legendary troublemaker hatched from stone and schooled in divine magic, had stolen the Dragon Lords most
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Can you solve the Big Bang riddle? - James Tanton

258 views / 0 likes - added 2 years ago

Practice more problem-solving at https://brilliant.org/TedEd--Its moments after the Big Bang and youre still reeling. Youre a particle of matter, amidst a chaotic stew of forces, fusion, and annihilation. If youre lucky and avoid being destroyed by antima
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How to 3D print human tissue - Taneka Jones

1,268 views / 1 likes - added 4 years ago

Explore the science of bioprinting, a type of 3D printing that uses bioink, a printable material that contains living cells. --There are currently hundreds of thousands of people on transplant lists, waiting for critical organs like kidneys, hearts and li
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05:04
The dangers of mixing drugs - Celine Valery

373 views / 0 likes - added 4 years ago

Explore the science of why mixing drugs and drug interactions with other substances can lead to dangerous health complications.--Which of the following is risky behavior: a person taking cholesterol medicine with grapefruit juice? Or a person taking Aceta
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What really happened during the Salem Witch Trials - Brian A. Pavlac

485 views / 0 likes - added 4 years ago

Dig into how the infamous Salem Witch Trials began and why they remain a cautionary tale of the dangers of groupthink and scapegoating.--Youve been accused of a crime you did not commit. Its impossible to prove your innocence. If you insist that youre inn
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The Japanese folktale of the selfish scholar - Iseult Gillespie

1,087 views / 0 likes - added 3 years ago

Dive into the Japanese folktale of a scholars quest to purify his body and mind, and the spiritual secret he discovers along the way.--In ancient Kyoto, a Shinto scholar found himself distracted from his prayers and sought to perform a purification ritual
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A day in the life of an ancient Celtic Druid - Philip Freeman

402 views / 0 likes - added 4 years ago

Join the Celtic druid Camma in her village as she conducts religious rites, serves as a healer, and mediates conflict between tribes.--As the sun rises in 55 BCE, Camma lays two pigeons on the altar at the center of her village. She wrings the birds necks
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How one journalist risked her life to hold murderers accountable - Christina Greer

523 views / 1 likes - added 5 years ago

Ida B. Wells was an investigative journalist, civil rights leader, and anti-lynching advocate who fought for equality and justice. -- In the late 1800’s, lynchings were happening all over the American South, often without any investigation or consequences
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The murder of ancient Alexandria's greatest scholar - Soraya Field Fiorio

460 views / 1 likes - added 4 years ago

Dive into the life of one of Ancient Romes most powerful figures, Hypatia of Alexandria, a renowned scholar and political advisor to the city's leaders.--In the city of Alexandria in 415 CE, the bishop and the governor were in a fight. It started with a d
06:21 Popular
Can the ocean run out of oxygen? - Kate Slabosky

1,060 views / 2 likes - added 3 years ago

Get to know how a healthy marine ecosystem functions, and what creates the lethal conditions that lead to dead zones. --For most of the year, the Gulf of Mexico is teeming with marine life, from tiny crustaceans to massive whales. But every summer, disast
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04:45 Popular
How did teeth evolve? - Peter S. Ungar

902 views / 0 likes - added 6 years ago

Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/how-did-teeth-evolve-peter-s-ungar You may take them for granted, but your teeth are a marvel. They break up all your food over the course of your life,
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05:50
Why bats don't get sick - Arinjay Banerjee

398 views / 0 likes - added 3 years ago

Explore the relationship between viruses and their hosts, and find out how the evolutionary adaptations of bats keep them safe from viruses. --Consider a bat that is infected with several deadly viruses, including ones that cause rabies, SARS, and Ebola.
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Can you solve the Trojan War riddle? - Dennis E. Shasha

673 views / 1 likes - added 3 years ago

Practice more problem-solving at https://brilliant.org/TedEd--On Olympus, youve been waiting for an opportunity to bring the bloody Trojan War to its conclusion. The two sides have agreed to a brief truce, and when you consult the Fates, they advise: shou
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A quantum thought experiment - Matteo Fadel

263 views / 0 likes - added 3 years ago

Can you win a game of quantum foosball using a giant electron instead of a ball? Explore how to use quantum mechanics to your advantage. --After a long day working on the particle accelerator, you and your friends head to the arcade to unwind. The lights
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How long will human impacts last? - David Biello

1,767 views / 1 likes - added 6 years ago

Check out all of TED-Ed's book recommendations: http://ed.ted.com/books Check out David Biello's "The Unnatural World": https://shop.ed.ted.com/collections/ted-ed-book-recommendations/products/the-unnatural-world View full lesson: https://ed.ted.com/lesso
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The myth of Hades and Persephone - Iseult Gillespie

404 views / 1 likes - added 2 years ago

Dig into the Greek myth of Persephone, who is abducted by Hades and is only allowed to leave the underworld every spring.--One day, Persephone was frolicking in a meadow with the nymph, Cyane. As they admired a flower, they noticed it tremble in the groun
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Who were Las Mariposas, and why were they murdered? - Lisa Krause

265 views / 2 likes - added 3 years ago

Get to know the story of the Mirabal sisters, who led a revolution against Rafael Trujillos dictatorship in the Dominican Republic. --For over 30 years, thousands of people were imprisoned, tortured, and murdered under Rafael Trujillos dictatorship in the
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Is it normal to talk to yourself?

111 views / 0 likes - added 1 year ago

Dig into the psychological benefits of positive self-talk, and find out when it can become problematic.--Being caught talking to yourself can feel embarrassing, and some people even stigmatize this behavior as a sign of mental instability. But decades of
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How does the stock market work? - Oliver Elfenbaum

483 views / 1 likes - added 5 years ago

Download a free audiobook version of "The Richest Man in Babylon" and support TED-Ed's nonprofit mission: https://adbl.co/2GVBdZF Check out our full book recommendation: https://shop.ed.ted.com/products/the-richest-man-in-babylon -- In the 1600s, the Dutc
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The artist who won a Nobel Prize... in medicine - Melanie E. Peffer

326 views / 2 likes - added 3 years ago

Explore how a scientist and artist discovered how our brains transmit signals throughout the body, and laid the foundation for modern neuroscience.--In the 1860s, scientists believed they were on the verge of uncovering the brains biggest secret: how the
06:02 Popular
What would happen if you lost your sense of touch? - Antonio Cataldo

1,346 views / 1 likes - added 1 year ago

Explore the science behind how your body and brain process different sensations like touch, pain, temperature, and spatial awareness.--We dont often think of touch as being a vital part of movement, but touch is one part of a network that oversees all the
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Could underwater farms help fight climate change? - Ayana Johnson and Megan Davis

446 views / 0 likes - added 4 years ago

Dive into the world of aquaculture and see how restorative ocean farming could play a vital role in helping our coastal communities, our oceans and our climate.--For billions of people, seafood provides a significant source of protein and nutrition, but o
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Can alligators survive this apex predator? - Kenny Coogan

123 views / 0 likes - added 9 months ago

Explore the diverse and vital ecosystem of the Everglades, and discover why the alligator is so essential to the region.--Despite alligators ruling the swamplands of the Everglades for millennia, the last 500 years have brought deadly new predators that c
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Yes, scientists are actually building an elevator to space - Fabio Pacucci

889 views / 1 likes - added 2 years ago

Explore the physics behind space elevators, which would theoretically use a cable anchored to Earth and extending into space. --Sending rockets into space requires sacrificing expensive equipment, burning massive amounts of fuel, and risking potential cat
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05:42
Can you solve Dongle's Difficult Dilemma? - Dennis E. Shasha

443 views / 1 likes - added 3 years ago

Practice more problem-solving at https://brilliant.org/TedEd--According to legend, three galactic terraformers shaped your planet into a paradise. When their work was done, they left the source of their power behind: three golden hexagons, hidden in dunge
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Can you outsmart the fallacy that divided a nation? - Elizabeth Cox

160 views / 1 likes - added 2 years ago

Explore the middle ground fallacy, which assumes that the truth is always a compromise between two extreme opposing positions.--Its 1819. The US is preparing to make Missouri and Maine new states. One representative insists that slavery shouldnt be allowe
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What happens when you fall into piranha-infested waters? - Antonio Machado-Allison

3,570 views / 5 likes - added 8 months ago

Dig into the truth about piranhas and their feeding frenzies, and find out what would likely happen if you fell into their waters.--Youre peering into the Amazon River when, suddenly, you lose your footing and fall. Piranhas dart about in the rapidly appr
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06:17
Can you outsmart the college admissions fallacy? - Elizabeth Cox

190 views / 0 likes - added 1 year ago

Explore the circular reasoning fallacy, which occurs when the end of an argument comes back to the start without having proven itself.--Its 1990. A prospective student has filed a complaint about Virginia Military institutes admissions policy that exclude
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What happened when these 6 dictators took over - Stephanie Honchell Smith

29 views / 0 likes - added 2 weeks ago

Examine the myth of the benevolent dictator, which is a leader who holds absolute power yet only uses it for the common good.--Under certain conditions, the idea of a dictator can sound appealing, like when a democracy isnt functioning as it should due to
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When are you actually an adult? - Shannon Odell

156 views / 0 likes - added 1 year ago

Explore how scientists define adulthood, and find out if theres a specific age at which we reach maturity. --Most countries recognize 18 as the start of adulthood by granting various freedoms and privileges. Yet theres no exact age or moment in developmen
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Why do you want to squeeze cute things? - Joshua Paul Dale

117 views / 0 likes - added 1 year ago

Explore the psychology of the phenomenon known as cute aggression, which is the urge to squeeze, bite or pinch something cute.--Watching a kitten fumbling around, it might feel as if youve never encountered anything so devastatingly adorable in your morta
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One of the most "dangerous" men in American history - Keenan Norris

160 views / 0 likes - added 1 year ago

Get to know the story of David Walker, an abolitionist whose antislavery pamphlet made him an enemy of the US government.--In 1830, David Walker sewed a pamphlet into the lining of a coat. The volume was thin enough to be hidden, but its content was far f
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How do oysters make pearls? - Rob Ulrich

573 views / 0 likes - added 1 year ago

Explore how oysters use calcium carbonate to create pearls, and how this chemical compound creates a vast array of other materials.--Despite their iridescent colors and smooth shapes, pearls are actually made of the exact same material as the craggy shell
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06:22
What caused the Rwandan Genocide? - Susanne Buckley-Zistel

112 views / 0 likes - added 11 months ago

Dig into the history of the Rwandan Genocide of 1994, during which over one-tenth of the countrys population was killed.--For one hundred days in 1994, the African country of Rwanda suffered a horrific campaign of mass murder. Neighbor turned against neig
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Do larger animals take longer to pee? - David L. Hu

369 views / 0 likes - added 3 years ago

Dive into the physics of the Other Golden Rule and explore the systems and methods animals use to excrete waste. --A cats bladder can only store a golf balls worth of urine. For humans, its a coffee mug and for elephants, a kitchen trash can. An elephants
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What causes addiction, and why is it so hard to treat? - Judy Grisel

56 views / 0 likes - added 2 months ago

Take a look at the science of how addictive drugs affect your body and why substance addiction can be so difficult to treat.--As of 2021, more than 36 million people were estimated to be experiencing substance use disorder. This condition spans a spectrum
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How friendship affects your brain - Shannon Odell

280 views / 0 likes - added 1 year ago

Dig into what happens to your brain during adolescence that changes how you value, understand, and connect to friends.--If it seems like friendships formed in adolescence are particularly special, that's because they are. Childhood, adolescent, and adult
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How do you know you're not dreaming? - Daniel Gregory

221 views / 0 likes - added 2 years ago

Download a free audiobook version of The Sandman and support TED-Ed's nonprofit mission: https://www.audible.com/ted-ed--Bizarre things happen in dreams: you fly, or conjure an all-you-can-eat buffet out of thin air, or get chased by witches through the h
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A day in the life of an ancient Babylonian business mogul - Soraya Field Fiorio

302 views / 0 likes - added 3 years ago

Follow Beltani, a Babylonian priestess and businesswoman, as she investigates who is undermining her barley fields and tavern.--Its 1762 BCE. As dawn breaks in the Babylonian city of Sippar, Beltani a priestess and businesswoman receives an urgent visit f
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The rise and fall of the medieval Islamic Empire - Petra Sijpesteijn & Birte Kristiansen

151 views / 0 likes - added 1 year ago

Trace the rise and fall of the Islamic Empire, from the prophet Muhammad in the 7th century to the sacking of Baghdad. --In the 7th century CE, the prophet Muhammad united the people of the Arabian Peninsula through the formation of Islam. Over the next 3
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History vs. Egypts "most powerful" pharaoh - Jessica Tomkins

61 views / 0 likes - added 4 months ago

Pharaoh Ramesses II presided over a golden age of Egyptian prosperity but was he a model leader or a master of propaganda?--Pharaoh Ramesses II reigned for almost 70 years in the 13th century BCE. He presided over a golden age of Egyptian prosperity, powe
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A brief history of toilets - Francis de los Reyes

309 views / 2 likes - added 2 years ago

Explore the history of the toilet and how waste management has evolved from from ancient Mesopotamia to modern day.--On sunny days, citizens of ancient Rome could be found exchanging news and gossip while attending to more urgent business at the public la
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How much land does it take to power the world?

241 views / 1 likes - added 3 years ago

Explore the sustainability of fossil fuels, nuclear power, and renewable energy and how much space each of these power sources use.--No matter how we make electricity, it takes up space. Coal requires mines, and plants to convert it into electricity. Nucl
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What happens to your body at the top of Mount Everest - Andrew Lovering

197 views / 0 likes - added 1 year ago

Explore what happens in your body when you dont acclimate to higher altitudes and the dangers of altitude sickness.--If you teleported from sea level to the top of Mount Everest, things would go bad fast. At an altitude of 8,848 meters, you would likely s
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What really happened during the Attica Prison Rebellion - Orisanmi Burton

303 views / 1 likes - added 3 years ago

Dig into the Attica Prison Rebellion, where prisoners took control of the facility in response to inhumane living conditions, and the violent retaking that followed.--On September 9th 1971, a spontaneous uprising began in a New York State prison. A group
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Can you outsmart the slippery slope fallacy? - Elizabeth Cox

498 views / 0 likes - added 2 years ago

Dig into the slippery slope fallacy, which assumes that one step will lead to a series of events that lead to an extreme often bad scenario.--Its 1954. Vietnamese nationalists are on the verge of securing an independent Vietnam under communist leader Ho C
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How do gas masks actually work? - George Zaidan

32 views / 0 likes - added 1 month ago

Explore the science behind how gas masks work, and how the technology protects us from airborne threats and pollutants.--You might think of gas masks as clunky military-looking devices. But in the near future, we may need to rely on these filters as part
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How do gas masks actually work? - George Zaidan

34 views / 0 likes - added 1 month ago

Explore the science behind how gas masks work, and how the technology protects us from airborne threats and pollutants.--You might think of gas masks as clunky military-looking devices. But in the near future, we may need to rely on these filters as part
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What you can do with an extra jaw - Darien Satterfield

190 views / 1 likes - added 2 years ago

Discover the adaptation of the pharyngeal jaw, a secondary set of jaws that allow fish to capture and eat their prey at the same time. --After stalking a cuttlefish, a moray eel finally pounces. As the eel snags the mollusk in its teeth, its prey struggle
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First person vs. Second person vs. Third person - Rebekah Bergman

331 views / 0 likes - added 3 years ago

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 d
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Why your phone battery gets worse over time - George Zaidan

91 views / 0 likes - added 10 months ago

Explore the science of why single-use and rechargeable batteries die, and find out why recycling batteries can be challenging.--Almost all batteries, even single-use batteries, are theoretically rechargeable. Thats because the metals and other chemicals a
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Why you procrastinate even when it feels bad

298 views / 0 likes - added 1 year ago

Explore what happens in the brain to trigger procrastination, and what strategies you can use to break the cycle of this harmful practice.--The report youve been putting off is due tomorrow. Its time to buckle down, open your computer ... and check your p
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Is Chandigarh a perfectly planned city? - Vikramditya Praksh

43 views / 0 likes - added 3 months ago

Explore the construction of the futurist city Chandigarh, a project of Prime Minister Jawaharlal Nehru and planned by Le Corbusier.--In 1947, India achieved independence from British rule but this freedom came at a tremendous cost. Jawaharlal Nehru, India
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The records the British Empire didn't want you to see - Audra A. Dipte

95 views / 1 likes - added 11 months ago

Explore the British policy called Operation Legacy, where the government hid incriminating documents from its former colonies.--In 2009, five Kenyan people took a petition to the British Prime Minister. They claimed they endured human rights abuses in the
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The true story behind the legend of the 47 Rnin - Adam Clulow

38 views / 0 likes - added 1 month ago

Dig into one of Japans most infamous stories about the 47 samurai who take revenge for the loss of their leader.--Asano Naganori, lord of Ak domain, fixed his gaze on Kira Yoshinaka, a senior master of ceremony. Asano extended his short sword, charged thr
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The Irish myth of Diarmuids betrayal - Iseult Gillespie

244 views / 1 likes - added 2 years ago

Dig into the Irish myth of lovers Grinne and Diarmuid, and follow their journey as they flee from her betrothed, Fionn.--Grinne, princess of Tara and bride-to-be, was furious. She had thought she was betrothed to a young soldier, bold and brilliant enough
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Can you solve the magical maze riddle? - Alex Rosenthal

56 views / 0 likes - added 3 months ago

Practice more problem-solving at https://brilliant.org/TedEd--Today is the annual wizard tournament featuring competitors from three schools, and youre in charge. The wizards have entered the maze and compete in your chosen events in utmost secrecy; only
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Is Meat Bad for You? Is Meat Unhealthy?

638 views / 0 likes - added 4 years ago

The first 1000 people to use this link will get a 2 month free trial of Skillshare: https://skl.sh/kurzgesagt6 Sources: https://sites.google.com/view/sourcesismeathealthy/ Over the last few years eating meat has increasingly been associated with health ri
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One of history's most dangerous myths - Anneliese Mehnert

121 views / 0 likes - added 10 months ago

Examine the empty land theory, which was created by European colonizers in South Africa to support their claims to the region.--From the 1650s through the late 1800s, European colonists descended on South Africa. They sought to claim the region, becoming
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Why do some people snore so loudly? - Alayna Vaughan

168 views / 0 likes - added 2 years ago

Dig into the science of what causes snoring, and how chronic snoring can be a sign of sleep disorders such as sleep apnea.--A leather mask that clamps the mouth shut. A cannonball sewn into a soldiers uniform. A machine that delivers sudden electrical pul
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The most important century in human history

110 views / 0 likes - added 1 year ago

Is the 21st century the most pivotal time in human history? Explore how the decisions we make now may impact humanitys future.--Is it possible that this century is the most important one in human history? The 21st century has already proven to be a period
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A year in the life of one of Earth's weirdest animals - Gilad Bino

280 views / 2 likes - added 2 years ago

Trace a year in the life of a platypus, and explore how the animals unique adaptations ensure its survival.--Waddling along the parched Australian earth, a female platypus is searching for fresh water. Over the past year, a severe drought turned rivers an
05:35
Would you pass the wallet test?

195 views / 0 likes - added 1 year ago

Dig into the experiment known as the lost wallet test, and find out the surprising results of this study of honesty.--Picture this: youre working a shift in a hotel lobby when someone approaches the front desk. They found a lost wallet around the corner,
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What would happen if everyone stopped eating meat tomorrow? - Carolyn Beans

142 views / 0 likes - added 8 months ago

Explore the possibilities and challenges of what a vegetarian world could look like if we all immediately stopped eating meat. --Imagine if a wizard of meatless dining suddenly appeared on Earth and with one wave of a wand wiped away all meat from our she
05:06 Popular
Food expiration dates dont mean what you think - Carolyn Beans

877 views / 0 likes - added 12 months ago

Find out what expiration date labels on food actually mean, and discover ways communities and governments can lessen food waste. --Countries around the world waste huge amounts of food every year: roughly a fifth of food items in the US are tossed because
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05:58
The myth of Lokis monstrous children - Iseult Gillespie

339 views / 0 likes - added 2 years ago

Download a free audiobook version of Where the Crawdads Sing and support TED-Ed's nonprofit mission: https://www.audible.com/ted-ed--Odin, the king of Asgard, was plagued by nightmares. Three fearsome figures haunted his dreams: a massive, writhing shadow
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The rights you might not realize you have - Shannon Odell

79 views / 0 likes - added 5 months ago

Do you have a right to a healthy planet? Dig into the movement to hold governments accountable for climate change inaction.--Since 2015, an unprecedented movement has been sweeping courts around the world. Groups of young plaintiffs are suing their govern
05:25 Popular
Why don't we cover the desert with solar panels? - Dan Kwartler

771 views / 0 likes - added 2 years ago

Watch the 2021 TED Global Countdown Livestream here: https://www.youtube.com/watch?v=SG_vqlb1pOQThis empowering event lays out a credible and realistic pathway to a net-zero future. Featuring some of your favorite celebrities, Countdown will leave you hop
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05:32
The science of laughter - Sasha Winkler

53 views / 0 likes - added 5 months ago

Explore the common scientific theories about why humans laugh, and how this universal behavior evolved.--Isnt it odd that, when somethings funny, you might show your teeth, change your breathing, become weak and achy in some places, and maybe even cry? In
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A tour of the ancient Greek Underworld - Iseult Gillespie

143 views / 2 likes - added 7 months ago

Download a free audiobook version of The Song of Achilles" and support TED-Ed's nonprofit mission: https://www.audible.com/ted-ed --Achilles, just slain in the Trojan War, arrives in the Underworld and is greeted by Sibyl of Cumae a prophetess and also th
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The most devastating asteroid to hit Earth - Sean P. S. Gulick

68 views / 0 likes - added 6 months ago

Dig into what happened after the Chicxulub asteroid hit the Earth, and how it caused a mass extinction including dinosaurs.--Sixty-six million years ago, near whats now the Yucatn Peninsula, a juvenile sauropod feasted on horsetail plants on a riverbank.
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How will AI change the world?

519 views / 0 likes - added 1 year ago

Explore the current limitations of artificial intelligence and the possibility of creating human-compatible technology.--In the coming years, artificial intelligence is probably going to change your life and likely the entire world. But people have a hard
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05:48
Would you stop dating someone your parents didnt like?

193 views / 1 likes - added 1 year ago

Dig into the Romeo and Juliet Effect, which describes the tendency to find someone more desirable when met by parental opposition.--In 1972, psychologists at the University of Colorado surveyed 140 couples to determine whether a relationship facing parent
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The Newest Form of Water Is Hot and Black, Wait What?

369 views / 0 likes - added 4 years ago

It only took diamonds, x-rays, and a bunch of ultra-powerful lasers to create our newest form of water, Ice XVIII. And it might be the key to unlocking what's inside the mysterious ice planets of our solar system. This New State of Matter Is a Liquid and
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Inside the Lab That's Turning Moon Water Into Rocket Fuel

400 views / 0 likes - added 4 years ago

The moons water could serve as a precious resource for deep space exploration, but how do we actually turn it into rocket fuel?Subscribe to Seeker! http://bit.ly/subscribeseeker Watch more Focal Point | https://bit.ly/2s0cf7w Visit our shop at http://shop
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Primitive Technology: Yam, cultivate and cook

593 views / 1 likes - added 5 years ago

Primitive Technology: Yam, cultivate and cook Subscribe: http://bit.ly/subPT | Never miss a video! Enable ‘ALL’ Notifications! More videos, watch me build a natural Blower & Charcol next: http://bit.ly/2MuwEr5 Follow Primitive Technology:
05:17 Popular
Why should you read Charles Dickens? - Iseult Gillespie

889 views / 1 likes - added 6 years ago

Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/why-should-you-read-charles-dickens-iseult-gillespie The starving orphan seeking a second helping of gruel. The spinster wasting away in her tattered we
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When We Tamed Fire

511 views / 0 likes - added 5 years ago

Our new shirt! https://store.dftba.com/products/eons-pocket-shirt The Best-Of Nature League: https://www.youtube.com/playlist?list=PLZftFO1i4jNijeKInnCZXTYg9l3HVlbXl The ability to make and use fire has fundamentally changed the arc of our evolution. The

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