Tagged: TED-ED

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What causes headaches? – Dan Kwartler

What causes headaches? – Dan Kwartler Download a free audiobook and support TED-Ed’s nonprofit mission: https://adbl.co/2Hejwql Check out Oliver Sacks’s “The Man Who Mistook His Wife for a Hat”: http://bit.ly/2Hk8ShM View full lesson: https://ed.ted.com/lessons/what-causes-headaches-dan-kwartler In ancient Greece, the best-known remedy for a long-standing headache was to drill a small hole in the skull to drain…

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The myth of King Midas and his golden touch – Iseult Gillespie

The myth of King Midas and his golden touch – Iseult Gillespie Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-myth-of-king-midas-and-his-golden-touch-iseult-gillespie In Greek mythology, King Midas is known as a rogue ruler whose antics bemused his people and irritated the Gods. Many know the classic story of Midas’s golden touch, but the foolish king…

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How to manage your time more effectively (according to machines) – Brian Christian

How to manage your time more effectively (according to machines) – Brian Christian 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-effectively-according-to-machines-brian-christian Human beings and computers alike share the challenge of how to get as much done as…

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What is the tragedy of the commons? – Nicholas Amendolare

What is the tragedy of the commons? – Nicholas Amendolare Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/what-is-the-tragedy-of-the-commons-nicholas-amendolare Is it possible that overfishing, super germs, and global warming are all caused by the same thing? In 1968, a man named Garrett Hardin sat down to write an essay about overpopulation. Within it, he…

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The life cycle of a t-shirt – Angel Chang

The life cycle of a t-shirt – Angel Chang 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 the most common garments in the world. But how and where is the average t-shirt made, and…

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The left brain vs. right brain myth – Elizabeth Waters

The left brain vs. right brain myth – Elizabeth Waters View full lesson: https://ed.ted.com/lessons/the-left-brain-vs-right-brain-myth-elizabeth-waters The human brain is visibly split into a left and right side. This structure has inspired one of the most pervasive ideas about the brain: that the left side controls logic and the right side controls creativity. And yet, this is…

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How does caffeine keep us awake? – Hanan Qasim

How does caffeine keep us awake? – Hanan Qasim View full lesson: http://ed.ted.com/lessons/how-does-caffeine-keep-us-awake-hanan-qasim Over 100,000 metric tons of caffeine are consumed around the world every year. That’s equivalent to the weight of 14 Eiffel Towers! Caffeine helps us feel alert, focused, and energetic, even if we haven’t had enough sleep — but it can also…

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Can you solve the fish riddle? – Steve Wyborney

Can you solve the fish riddle? – Steve Wyborney View full lesson: http://ed.ted.com/lessons/can-you-solve-the-fish-riddle-steve-wyborney As the cargo director on the maiden voyage of the S.S. Buoyant, you’ve agreed to transport several tanks containing the last specimens of an endangered fish species to their new aquarium. Unfortunately, the boat is battered by a fierce storm, throwing your…

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Why are sloths so slow? – Kenny Coogan

Why are sloths so slow? – Kenny Coogan View full lesson: http://ed.ted.com/lessons/why-are-sloths-so-slow-kenny-coogan Sloths spend most of their time eating, resting, or sleeping; in fact, they descend from their treetops canopies just once a week, for a bathroom break. How are these creatures so low energy? Kenny Coogan describes the physical and behavioral adaptations that allow…

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The history of chocolate – Deanna Pucciarelli

The history of chocolate – Deanna Pucciarelli View full lesson: http://ed.ted.com/lessons/the-history-of-chocolate-deanna-pucciarelli If you can’t imagine life without chocolate, you’re lucky you weren’t born before the 16th century. Until then, chocolate only existed as a bitter, foamy drink in Mesoamerica. So how did we get from a bitter beverage to the chocolate bars of today? Deanna…