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The fortified metropolis: Constantinople - Lars Brownworth
The world owes much of its cultural legacy to Constantinople's walls. When Constantinople was under seige by neighboring enemies, the Roman city's el…
1 week, 1 day ago
The strength of an excellent introduction - Carolyn Mohr
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 intriguin…
1 week, 1 day ago
What yoga does to your body and brain - Krishna Sudhir
Explore the ancient tradition of yoga, and discover how its blend of physical and mental exercise impacts your health.
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There are many different appr…
1 week, 1 day ago
How inventions transform history (for better and for worse) - Kenneth C. Davis
View full lesson: http://ed.ted.com/lessons/how-inventions-change-history-for-better-and-for-worse-kenneth-c-davis
Invented in 1793, the cotton gin ch…
1 week, 1 day ago
Dispatching a sundial to Mars - Bill Nye
View full lesson: http://ed.ted.com/lessons/sending-a-sundial-to-mars-bill-nye
Bill Nye, otherwise known as The Science Guy, inherited his father's fa…
1 week, 1 day ago
Why we need to go back to Mars - Joel Levine
In this talk, planetary scientist Joel Levine shows some intriguing -- and puzzling -- new discoveries about Mars: craters full of ice, traces of anc…
1 week, 1 day ago
A guide to the energy of the Earth - Joshua M. Sneideman
View full lesson: http://ed.ted.com/lessons/a-guide-to-the-energy-of-the-earth-joshua-m-sneideman
Energy is neither created nor destroyed — and yet th…
1 week, 1 day ago
The art of metaphor - Jane Hirshfield
View full lesson on ed.ted.com http://ed.ted.com/lessons/jane-hirshfield-the-art-of-the-metaphor
How do metaphors help us better understand the world?…
1 week, 1 day ago
ET is (probably) out there -- get ready - Seth Shostak
SETI researcher Seth Shostak bets that we will find extraterrestrial life in the next twenty-four years, or he'll buy you a cup of coffee. At TEDxSan…
1 week, 1 day ago
Inside the mind of a drummer | Reason Like A Musician
Drummers Tony Succar, Matt Flynn, Matt Tong, and Matt Johnson share what it takes to improve your skills and find your rhythm.
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"Think Like A Musicia…
1 week, 1 day ago