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How much land does it take to power the world?
Explore the sustainability of fossil fuels, nuclear power, and renewable energy and how much space each of these power sources use.
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No matter how we…
3 days, 6 hours ago
How Two Decisions Brought Me to Olympic Glory - Steve Mesler
View full lesson: http://ed.ted.com/lessons/how-two-decisions-led-me-to-olympic-glory
From setback and injury to an Olympic gold medal -- see how conf…
3 days, 6 hours ago
Logarithms, Demystified - Steve Kelly
View full lesson: http://ed.ted.com/lessons/steve-kelly-logarithms-explained
What are logarithms and why are they useful? Get the basics on these crit…
3 days, 6 hours ago
Music as a tongue - Victor Wooten
View full lesson: http://ed.ted.com/lessons/victor-wooten-music-as-a-language
Music is a powerful communication tool--it causes us to laugh, cry, thin…
3 days, 7 hours ago
The surprising path to mastering something - David Epstein
Are we building skills the wrong way? Explore how having a wide range of experience can be better than early specialization.
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There’s a common idea t…
3 days, 7 hours ago
Where does energy come from? - George Zaidan and Charles Morton
View full lesson: http://ed.ted.com/lessons/all-of-the-energy-in-the-universe-is-george-zaidan-and-charles-morton
The energy in the universe never inc…
3 days, 7 hours ago
A brief history of religion in art - TED-Ed
View full lesson: http://ed.ted.com/lessons/a-brief-history-of-religion-in-art-ted-ed
Before we began putting art into museums, art mostly served as t…
3 days, 7 hours ago
The evolution of timekeeping - Karen Mensing
View full lesson: http://ed.ted.com/lessons/the-history-of-keeping-time
Where did time-telling come from? What are time zones and why are there so man…
3 days, 8 hours ago
Upstairs, downstairs: The life of a British servant - Stephanie Honchell Smith
Follow Alice Sutton, a servant in Edwardian England, as she prepares the estate for a visitor and fights for women's suffrage.
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It’s just before dawn…
3 days, 8 hours ago
The last chief of the Comanches and the fall of an empire - Dustin Tahmahkera
Get to know the story of Quanah Parker, a Native American warrior and leader, and the last chief of the Comanche tribe.
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Late one night in 1871, a g…
3 days, 8 hours ago