TED-Ed

Surprising, but true: More women now die of heart disease than men, yet cardiovascular research has long focused on men. Pioneering doctor C. Noel Bairey Merz shares what we know and don't know about women's heart health -- including the remarkably different symptoms women present during a heart attack (and why they're often missed). (Filmed at TEDxWomen.)

Talk by Noel Bairey Merz.

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Explore the three main ways viruses can be driven to extinction, and dig into the possibility of COVID-19 dying out.

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Viruses are wildly successful organisms. There are about 100 million times as many virus particles on Earth as there are stars in the observable universe. Even so, viruses can and do go extinct. So, what is the possibility of the virus that causes COVID-19 going extinct? Explore the three main ways viruses can be driven to extinction.

Directed by Anton Bogaty.

This video made possible in collaboration with Gates Ventures
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View full lesson: https://ed.ted.com/lessons/3-ways-to-end-a-virus
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Uploaded 17-07-18

View full lesson: https://ed.ted.com/lessons/history-vs-augustus-alex-gendler-and-peta-greenfield

His reign marked the beginning of one of history’s greatest empires … and the end of one of its first republics. Was Rome’s first emperor a visionary leader who guaranteed his civilization’s place in history, or a tyrant who destroyed its core values? Peta Greenfield and Alex Gendler put this controversial figure on trial in History vs. Augustus.

Lesson by Peta Greenfield and Alex Gendler, animation by Brett Underhill.

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Discover the myth of how the weak and pimply Aztec god Nanahuatl sacrificed himself to become Lord Sun and created a new world.

Uploaded 09-05-19

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Nanahuatl, weakest of the Aztec gods, sickly and covered in pimples, had been chosen to form a new world. There had already been four worlds, each set in motion by its own “Lord Sun,” and each had been destroyed. For a new world to be created, another god had to leap into the great bonfire and become the fifth sun. Will Nanahuatl complete the sacrifice? Kay A. Read recounts the myth of the sun.

Lesson by Kay Almere Read, directed by Tomás Pichardo-Espaillat.

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View full lesson: https://ed.ted.com/lessons/the-aztec-myth-of-the-unlikeliest-sun-god-kay-almere-read

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Dig into the era of China’s Cultural Revolution, and how communist leader Mao Zedong used mangoes as a propaganda tool.

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In August 1968, factory workers overheard news of a mandatory meeting. Whispered rumors described shipments of a gift from the country’s Communist leader, Chairman Mao Zedong. And sure enough, managers soon distributed a gift to every factory worker– a glass box encasing a golden wax replica of a mango. What was the meaning behind this unusual offering? Vivian Jiang investigates.

Lesson by Vivian Jiang, directed by Kayu Leung.

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View full lesson: https://ed.ted.com/lessons/mao-zedong-s-infamous-mango-cult-vivian-jiang
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Animator's website: https://www.kayuleung.com and https://www.instagram.com/kayu.caillou.kayu
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Dig into the science of plate tectonics to find out when the next supercontinent will emerge— and how it could affect Earth’s environment.

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In the early 20th century, Alfred Wegener's theory of Continental Drift laid the foundation for our modern theory of plate tectonics. And today we know something even more exciting: Pangea was only the latest in a long lineage of supercontinents, and it won’t be the last. Jean-Baptiste P. Koehl explores when the next supercontinent will emerge — and what it might mean for Earth’s environment.

Lesson by Jean-Baptiste P. Koehl, directed by Iuri Araujo, Província Studio.

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An insect's ability to fly is perhaps one of the greatest feats of evolution. Michael Dickinson looks at how a fruit fly takes flight with such delicate wings, thanks to a clever flapping motion and flight muscles that are both powerful and nimble. But the secret ingredient: the incredible fly brain. (Filmed at TEDxCaltech.)

Talk by Michael Dickinson.

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View full lesson: http://ed.ted.com/lessons/how-does-your-smartphone-know-your-location-wilton-l-virgo

Uploaded 29-01-15

GPS location apps on a smartphone can be very handy when mapping a travel route or finding nearby events. But how does your smartphone know where you are? Wilton L. Virgo explains how the answer lies 12,000 miles over your head, in an orbiting satellite that keeps time to the beat of an atomic clock powered by quantum mechanics.

Lesson by Wilton L. Virgo, animation by Nick Hilditch.



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Women aren't micro--so why do they only get micro-loans? Reporter Gayle Tzemach Lemmon argues that women running all types of firms-- from home businesses to major factories-- are the overlooked key to economic development. (Filmed at TEDxWomen.)

Uploaded 15-08-13

Talk by Gayle Tzemach Lemmon.



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Explore how beavers build their impressive dams, and what impact these structures have on the surrounding environment.

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Nestled in the forests of Canada sits the world’s longest beaver dam. This 850-meter-long structure is large enough to be seen in satellite imagery and has dramatically transformed the region, creating a pond containing 70 million liters of water. But dams of any size can have huge impacts on their environment. So how exactly do beavers build these impressive structures? Glynnis Hood investigates.

Lesson by Glynnis Hood, directed by Keegan Thornhill.

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View full lesson: https://ed.ted.com/lessons/why-do-beavers-build-dams-glynnis-hood
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Music: https://www.campstudio.co
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