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
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 the global demand for it continues to increase. But where does energy come from, and where does it go? Joshua M. Sneideman examines the many ways in wh
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
