TED-Ed

View full lesson: http://ed.ted.com/lessons/mapping-the-world-with-twitter-jer-thorp

Good morning, Twitter! Millions of tweets are sent everyday, and from these tweets, we can gather a lot of information about people's lives: where they travel, when they wake up, and their opinions on pretty much everything. In this TEDYouth 2012 Talk, former New York Times data artist-in-residence Jer Thorp imagines what uses we can devise from this wealth of information.

Talk by Jer Thorp.

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Check out the fascinating science behind the evolution of the turtle shell, over 260 million years in the making.

Uploaded 30-07-19

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Modern turtle shells are almost as diverse as the turtles themselves. Sea turtles have flatter, lighter shells for gliding through the water. Land-dwelling tortoises have domed shells that can slip free of predators’ jaws. Leatherback turtles have shells without the ring of bone around the edge. So how did the shell evolve? Judy Cebra-Thomas explores the ancestry of the turtle.

Lesson by Judy Cebra-Thomas, directed by Cabong Studios.

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View full lesson: https://ed.ted.com/lessons/how-turtle-shells-evolved-twice-judy-cebra-thomas

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Explore the possibility of nuclear fusion technology to create limitless, on-demand energy with almost no emissions.

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Stars have cores hot and dense enough to force atomic nuclei together, forming larger, heavier nuclei in a process known as fusion. In this process, the mass of the end products is slightly less than the mass of the initial atoms. But that “lost” mass doesn’t disappear — it’s converted to energy ... a lot of energy. So, can we harness this energy to power the world? George Zaidan investigates.

Lesson by George Zaidan, directed by Igor Ćorić, Artrake Studio.

This video made possible in collaboration with Speed & Scale
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View full lesson: https://ed.ted.com/lessons/could-we-build-a-miniature-sun-on-earth-george-zaidan
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Get to know the Dagara tale of Yagangnaa, a boy who defied a tyrannical chief, and witness their ensuing battle of wits.

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Shock seized the West African Dagara village as word travelled of a new decree. Completely disregarding time-honored naming rituals, the tyrannical chief declared that he alone would name the village’s children. But soon an unlikely challenger appeared: Yagangnaa, the boy who named himself. Paschal Kyiiripuo Kyoore shares the tale of the defiant boy and his battle of wits with the chief.

Lesson by Paschal Kyiiripuo Kyoore, directed by Lesego Vorster, The Hidden Hand Studios.

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Human cannibalism is a lot more common than you might think. Dive into its complex history and see its uses in medicine, cultural rituals and in times of survival.

Uploaded 25-07-19

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15th century Europeans believed they had hit upon a miracle cure: a remedy for epilepsy, hemorrhage, bruising, nausea and virtually any other medical ailment. It was a brown powder known as “mumia,” and was made by grinding up mummified human flesh. But just how common is human cannibalism, and how do cultures partake in it? Bill Schutt explores the complex history of cannibalism.

Lesson by Bill Schutt, directed by Basa.

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View full lesson: https://ed.ted.com/lessons/a-brief-history-of-cannibalism-bill-schutt

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The world is becoming increasingly open, and that has implications both bright and dangerous. Marc Goodman paints a portrait of a grave future, in which technology's rapid development could allow crime to take a turn for the worse.

Uploaded 28-06-13

Talk by Marc Goodman.



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Timothy Prestero thought he'd designed the perfect incubator for newborns in the developing world -- but his team learned a hard lesson when it failed to go into production. A manifesto on the importance of designing for real-world use, rather than accolades. (Filmed at TEDxBoston.)

Uploaded 29-08-13

Talk by Timothy Prestero.



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Uploaded 13-12-18

View full lesson: https://ed.ted.com/lessons/a-brie-f-history-of-cheese-paul-s-kindstedt

Before empires and royalty, before pottery and writing, before metal tools and weapons – there was cheese. As early as 8000 BCE, Neolithic farmers began a legacy of cheesemaking almost as old as civilization. Today, the world produces roughly 22 billion kilograms of cheese a year, shipped and consumed around the globe. Paul Kindstedt shares the history of one of our oldest and most beloved foods.

Lesson by Paul S. Kindstedt, directed by Charlotte Cambon.

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Dive into Emily Dickinson’s “Because I could not stop for Death” and explore life’s greatest mystery: what happens when you die?

Uploaded 15-12-20

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Death, a kindly gentleman riding in a horse carriage, comes to collect a woman for her journey to the afterlife. So begins Emily Dickinson’s poem “Because I could not stop for Death,” an exploration of both the uncertainties of death and its inevitability. Dive into one of Dickinson’s most celebrated works, which speaks to life’s greatest mystery: what happens when you die?

Poem by Emily Dickinson, directed by Petra Balekić.

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Less than 10% of plastic trash is recycled -- compared to almost 90% of metals -- because of the massively complicated problem of finding and sorting the different kinds. Frustrated by this waste, Mike Biddle has developed a cheap and incredibly energy efficient plant that can, and does, recycle any kind of plastic. Read Mike's responses to questions about this talk.

Uploaded 09-08-13

Talk by Mike Biddle.



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