TED-Ed

Discover the Maya myth of Venus, the morning star plotting revenge on his brother, the sun, and his allies.

Uploaded 21-10-19

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Chak Ek’, the morning star, rose from the underworld to the surface of the eastern sea and on into the heavens. His brother K’in Ahaw, the sun, followed. Though Chak Ek’ had risen first, K’in Ahaw outshone him, and the resentful Chak Ek’ descended back to the underworld to plot against his brother and his allies. Gabrielle Vail details the Maya myth of the morning star.

Lesson by Gabrielle Vail, directed by Basa.

Animator's website: https://www.basaestudio.com
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View full lesson: https://ed.ted.com/lessons/the-mayan-myth-of-the-morning-star

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Explore the science of bioprinting, a type of 3D printing that uses bioink, a printable material that contains living cells.

Uploaded 17-10-19

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There are currently hundreds of thousands of people on transplant lists, waiting for critical organs like kidneys, hearts and livers that could save their lives. Unfortunately, there aren’t enough donor organs available to fill that demand. What if, instead of waiting, we could create new, customized organs from scratch? Taneka Jones explores bioprinting, a new branch of regenerative medicine.

Lesson by Taneka Jones, directed by Hype CG.

Animator's website: https://www.hype.cg
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View full lesson: https://ed.ted.com/lessons/how-to-3d-print-human-tissue-taneka-jones

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Dig into why there is so much trash orbiting Earth, and find out what could happen if the debris continues to accumulate.

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There are over 131 million pieces of debris currently whipping around the planet. They range in size from a grain of sand to the size of an entire bus. These orbital debris pose a serious threat to the thousands of satellites that underpin Earth’s vital technologies. So, how can we save our satellites and ourselves from all this trash? Jim Bentley and Imogen Ellen Napper investigate.

Lesson by Jim Bentley and Imogen Ellen Napper, directed by Franz Palomares.

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Explore how Salmonella spreads from chickens to humans, and learn how this crafty microscopic pathogen makes us sick.

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Salmonella infects millions worldwide each year, causing fever, stomach cramps, and diarrhea. And these effects can be extreme: Salmonella is the leading cause of hospitalizations and deaths from food poisoning. So, how does it spread from chickens to humans? And how does it make us sick? Emma Bryce follows the journey of this crafty pathogen from farm to plate.

Lesson by Emma Bryce, directed by Denys Spolitak.

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View full lesson: https://ed.ted.com/lessons/is-it-really-that-bad-to-eat-cookie-dough-emma-bryce
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Animator's website: https://vimeo.com/denysspolitak
Music: https://www.campstudio.co
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Dig into the properties of sound to find out just how bad loud music is for your hearing.

Uploaded 02-03-21

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After a concert, you find it difficult to hear your friend rave about the show. It sounds like they're speaking from across the room, and it’s tough to make out their voice over the ringing in your ears. But, by the next morning, the effect has mostly worn off. So what caused these symptoms? And can you go to concerts without damaging your ears? Heather Malyuk explores the properties of sound.

Lesson by Heather Malyuk, directed by Anne Beal.

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Animator's website: https://www.annebealanimation.com/
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You’re a bank robber trying to escape from jail. Can you solve the riddle to get past the fence to freedom?

Uploaded 26-02-19

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Your timing made you and your partner infamous bank robbers. Now, you need to use that timing to break out of jail. Your partner is about to flash you a signal, and exactly 45 seconds later the electric fence circuit will short out. Then you notice that your watch is broken, and all you have are two 1-minute fuses in your pocket. Can you time your escape and get free? Dan Finkel shows how.

Lesson by Dan Finkel, directed by Artrake Studio.

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View full lesson: https://ed.ted.com/lessons/can-you-solve-the-jail-break-riddle-dan-finkel

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View full lesson on ed.ted.com - http://ed.ted.com/lessons/why-do-competitors-open-their-stores-next-to-one-another-jac-de-haan

Why are all the gas stations, cafes and restaurants in one crowded spot? As two competitive cousins vie for ice-cream-selling domination on one small beach, discover how game theory and the Nash Equilibrium inform these retail hotspots.

Lesson by Jac de Haan, animation by Luke Rowsell.

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Explore different philosophers’ ideas on immortality and dig into their theories about the positives and negatives of eternal life.

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While cleaning out your uncle’s attic you find a chest with a sparkling potion. The attached tag declares drinking this liquid will make you immortal. Your body will be frozen at its current age, and these effects would be final and irreversible. The instructions are clear — the only question is, do you drink the potion? Sarah Stroud and Michael Vazquez explore this philosophical debate.

Lesson by Sarah Stroud and Michael Vazquez, directed by Skirmanta Jakaitė.

This video was produced in collaboration with the Parr Center for Ethics, housed within the renowned Philosophy Department at the University of North Carolina at Chapel Hill. The Parr Center is committed to integrating abstract work in ethical theory with the informed discussion of practical ethical issues, and prides itself on the development of innovative and inclusive approaches to moral and civic education.

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The world owes much of its cultural legacy to Constantinople's walls. When Constantinople was under seige by neighboring enemies, the Roman city's elaborate system of moats, outer walls, and inner walls stood tall. Surviving numerous fire attacks, the walls were eventually brought down by more modern tools of warfare, but, thankfully, classical culture survived.

Lesson by Lars Brownworth, animation by Woland.

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View full lesson on ed.ted.com http://ed.ted.com/lessons/the-power-of-a-great-introduction-carolyn-mohr

Never underestimate the power of an intriguing start. When analyzing the literary greats like Charles Dickens and Kurt Vonnegut, be inspired by their craft and learn how to write a tantalizing introduction and strong thesis.

Lesson by Carolyn Mohr, animation by Judy Korin.

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