Someone always asks the math teacher, "Am I going to use calculus in real life?" And for most of us, says Arthur Benjamin, the answer is no. He offers a bold proposal on how to make math education relevant in the digital age.
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Extreme runner Ray Zahab shares an enthusiastic account of his record-breaking trek on foot to the South Pole — a 33-day sprint through the snow.
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In this uplifting talk, Katherine Fulton sketches the new future of philanthropy — one where collaboration and innovation allow regular people to do big things, even when money is scarce. Giving five practical examples of crowd-driven philanthropy, she calls for a new generation of citizen...
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If a 21-million-square-foot dome over Houston were made of glass, it would collapse under its own weight. One alternative is the ultra-light ploymer ETFE.
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Cereal is a staple of the American diet. Iron is one the most important minerals that we consume through eating cereal. Knowing this, have you ever wanted to actually see the iron? Dr. Kiki shows how to do just that in this episode of Food Science.
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ganze Sendung vom 02.07.2009: Unter anderem mit diesen Themen: - Jakobskreuzkraut verbreitet sich - Seniorenanteil in Gefängnissen steigt - Azoren-Strom aus Sonne und Wind - Eine neue Klasse Schwarzer Löcher
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