Schau dir die ganze Lektion an: http://ed.ted.com/lessons/how-a-wound-heals-itself-sarthak-sinha Die Haut ist das größte Organ unseres Körpers, mit einer Oberfläche von etwa 1,8 m² bei Erwachsenen. Wenn wir uns schneiden oder verletzen, fängt die Haut an, von selbst durch einen komplexen, gut abgestimmten Prozess zu heilen. Sarthak Sinka nimmt uns mit, unter die Epidermis (Oberhaut) und in die Dermis (Lederhaut), um diesen Heilprozess zu untersuchen. Lektion von Sarthak Sinha, Animation von Karrot Animation. Musik: Babylon - Disco Ultralounge by Kevin MacLeod is licensed under a Creative Commons Attribution licence (https://creativecommons.org/licenses/by/4.0/) Source: http://incompetech.com/music/royalty-free/index.html?isrc=USUAN1100314 Artist: http://incompetech.com/
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
