Regarde la leçon complète: http://ed.ted.com/lessons/what-s-the-big-deal-with-gluten-william-d-chey Si tu as visité un restaurant au cours des dernières années, tu as probablement vu les mots “sans gluten” écrit quelque part sur le menu. Mais qu'est-ce que c'est exactement le gluten, et pourquoi les gens ne peuvent-ils pas le supporter? Et pourquoi ne semble-t-il qu'un problème récemment? Leçon par William D. Chey, animation par Stretch Films, Inc.
View full lesson: http://ed.ted.com/lessons/the-language-of-lying-noah-zandan We hear anywhere from 10 to 200 lies a day. And although we’ve spent much of our history coming up with ways to detect these lies by tracking physiological changes in their tellers, these methods have proved unreliable. I
David Lang is a maker who taught himself to become an amateur oceanographer -- or, he taught a robot to be one for him. In a charming talk Lang, a TED Fellow, shows how he and a network of ocean lovers teamed up to build open-sourced, low-cost underwater explorers.nnTEDTalks is a daily video podcast
View full lesson: http://ed.ted.com/lessons/where-did-russia-come-from-alex-gendler Russia is the biggest country in the world, spanning one-eighth of the earth’s landmass. But where did it all begin? Alex Gendler explores the epic history of the Kievan Rus, where characters ranging from Viking rai
