TED-Ed

View full lesson: http://ed.ted.com/lessons/time-travel-and-einstein-s-special-relativity-colin-stuart

Uploaded 21-10-13

Time travel is a staple of science fiction stories, but is it actually possible? It turns out nature does allow a way of bending time, an exciting possibility suggested by Albert Einstein when he discovered special relativity over one hundred years ago. Colin Stuart imagines where (or, when) this fascinating phenomenon, time dilation, may one day take us.

Lesson by Colin Stuart, animation by TED-Ed.



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For some reason, says educator Al Vernacchio, the metaphors for talking about sex in the US all come from baseball -- scoring, getting to first base, etc. The problem is, this frames sex as a competition, with a winner and a loser. Instead, he suggests a new metaphor, one that's more about shared pleasure, discussion and agreement, fulfillment and enjoyment. Let's talk about ... pizza.

Uploaded 16-08-13

Talk by Al Vernacchio.



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View full lesson: http://ed.ted.com/lessons/mysteries-of-vernacular-venom-jessica-oreck-and-rachael-teel

How did venom get its poisonous meaning? Jessica Oreck and Rachael Teel follow venom from something to desire to explicit reasons for avoiding a snake.

Lesson by Jessica Oreck and Rachael Teel, animation by Jessica Oreck.

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View full lesson: http://ed.ted.com/lessons/how-brass-instruments-work-al-cannon

Uploaded 07-04-15

What gives the trumpet its clarion ring and the tuba its gut shaking oompah-pah? And what makes the trombone so jazzy? Al Cannon shows how these answers lie not in the brass the instruments are made of, but in the journey that air takes from the musician’s lungs to the instrument’s bell.

Lesson by Al Cannon, animation by TED-Ed.



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Get to know the story of how truck driver Malcom McLean invented the shipping container, and how it transformed the global economy.

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Sometimes a single unlikely idea can have massive impact across the world. Sir Harold Evans, the author of "They Made America," describes how frustration drove Malcom McLean, a small-town truck driver, to invent the shipping container. Containerization was born, and it transformed the modern global economy.

Lesson by Sir Harold Evans, directed by Sunni Brown.

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View full lesson: https://ed.ted.com/lessons/how-containerization-shaped-the-modern-world
Dig deeper with additional resources: https://ed.ted.com/lessons/how-containerization-shaped-the-modern-world#digdeeper

Animator's website: http://www.sunnibrown.com
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Explore the possibility of plastivores— organisms that can eat and break down plastic— helping reduce the plastic waste on Earth.

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Each year humanity produces roughly 400 million tons of plastic, 80% of which is discarded as trash. Of that plastic waste, only one-tenth is recycled. 60% gets incinerated or goes into the landfills, and 30% leaks out into the environment. Fortunately, there are microbes that may be able to take a bite out of this growing problem. Tierney Thys and Christian Sardet explore the future of recycling.

Lesson by Tierney Thys and Christian Sardet, directed by Elsa Esteban.

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View full lesson: https://ed.ted.com/lessons/meet-the-microbes-that-could-eat-your-trash-tierney-thys-and-christian-sardet
Dig deeper with additional resources: https://ed.ted.com/lessons/meet-the-microbes-that-could-eat-your-trash-tierney-thys-and-christian-sardet#digdeeper

Animator's website: https://www.elsaesteban.com
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View full lesson: http://ed.ted.com/lessons/the-terrors-of-sleep-paralysis-ami-angelowicz

Uploaded 25-07-13

Imagine you're fast asleep and then suddenly awake. You want to move but can't, as if someone is sitting on your chest. And you can't even scream! This is sleep paralysis, a creepy but common phenomenon caused by an overlap in REM sleep and waking stages. Ami Angelowicz describes just how pervasive (but harmless) it is and introduces a cast of characters from sleep paralysis around the world.

Lesson by Ami Angelowicz, animation by Pew36 Animation Studios.



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Travel into the auditory system to explore the constant ringing sensation of tinnitus, why it happens and how to treat it.

Uploaded 17-08-20

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Tinnitus has been bothering humanity since Ancient Babylon, plaguing everyone from Leonardo da Vinci to Charles Darwin. Today, roughly one in seven people worldwide experiences this auditory sensation. So what exactly is tinnitus, and where does this persistent sound come from? Marc Fagelson travels into the auditory system to explore the loss of silence.

Lesson by Marc Fagelson, directed by Zedem Media.

Animator's website: https://www.zedemanimations.com/
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View full lesson: https://ed.ted.com/lessons/what-s-that-ringing-in-your-ears-marc-fagelson

Thank you so much to our patrons for your support! Without you this video would not be possible! Mark Morris, Catherine Sverko, Misaki Sato, Tan YH, Ph.D., Rodrigo Carballo, SookKwan Loong, Bev Millar, Merit Gamertsfelder, Lex Azevedo, Noa Shore, Taylor Hunter, Kyle Nguyen, MJ Tan Mingjie, Cristóbal Moenne, Goh Xiang Ting Diana, Kevin Wong, Dawn Jordan, Yanira Santamaria, Prasanth Mathialagan, Savannah Scheelings, Susan Herder, Samuel Doerle, David Rosario, Dominik Kugelmann, Siamak H, Tracey Tobkin, Dwight Tevuk, Anthony Kudolo, Mrinalini, Yanuar Ashari, Ivan Todorović, Alex Schenkman, Brittiny Elman, Ryohky Araya, Paul Coupe, David Douglass, Ricardo Paredes, Bill Feaver, Eduardo Briceño, Arturo De Leon, Christophe Dessalles, Janie Jackson, Dr Luca Carpinelli, Heather Slater, Yuh Saito, Quentin Le Menez, Mattia Veltri, Fabian Amels, Sandra Tersluisen and PnDAA.



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Uploaded 03-05-18

View full lesson: https://ed.ted.com/lessons/what-s-the-difference-between-hibernation-and-sleep-sheena-faherty

The Arctic Ground Squirrel hibernates by burrowing under the permafrost and slipping into a state of suspended animation. The female black bear can give birth while she hibernates. The fat-tailed dwarf lemur prepares to hibernate by storing its fat reserves in its tail - doubling its body weight. Why do these animals go to such extremes? Sheena Lee Faherty details why animals hibernate.

Lesson by Sheena Lee Faherty, animation by Rémi Cans.

Thank you so much to our patrons for your support! Without you this video would not be possible! Mayra Urbano, Kostadin Mandulov, Alex Schenkman, Sdiep Sriram, Ivan Todorović, Antero Semi, Yanuar Ashari, Mrinalini, Anthony Kudolo, Querida Owens, Hazel Lam, Manav parmar, Dwight Tevuk, Stephen A. Wilson, Siamak H, Dominik Kugelmann, Katie Winchester, David Rosario, Samuel Doerle, Be Owusu, Susan Herder, Savannah Scheelings, Prasanth Mathialagan, Yanira Santamaria, Chad Harper, Dawn Jordan, Chris Mathew, Constantin Salagor, Activated Classroom Teaching, Kevin Wong, Umar Farooq, Goh Xiang Ting Diana, Dmitry Neverov, Tushar Sharma, Cristóbal Medina Moenne, Silas Schwarz, MJ Tan Mingjie, Yansong Li, Henry Li, Kyle Nguyen, Taylor Hunter, Noa Shore, Lex Azevedo, Merit Gamertsfelder, Bev Millar, Jhuval , SookKwan Loong, Daniel Day, Rodrigo Carballo, Marc Veale, Boytsov Ilya, Bozhidar Karaargirov, and ilya bondarik.



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Explore 3 strategies to control the flow of lava, and how scientists are using them to protect communities from future eruptions.

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In December 2023, Icelandic citizens experienced their worst nightmare: a volcanic fissure opened and began spewing lava fountains 100 meters tall. While the molten rock narrowly avoided a small town, Iceland wasn’t willing to leave anyone's fate to chance again and began preparing for future eruptions. Arianna Soldati explores 3 potential strategies to control these red-hot rivers of destruction.

Lesson by Arianna Soldati, directed by Anastasiia Falileieva, Studio Plastic Bag.

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View full lesson: https://ed.ted.com/lessons/is-it-possible-to-stop-the-flow-of-lava-arianna-soldati
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