Germany: Low Crime, Clean Prisons, Lessons for America | Jeff Rosen | TEDxMountainViewHighSchool
15:31
How learning German taught me the link between maths and poetry | Harry Baker | TEDxVienna
20:54
Our democracy no longer represents the people. Here's how we fix it | Larry Lessig | TEDxMidAtlantic
16:08
La obesidad es un asunto de seguridad nacional: el teniente general Mark Hertling en TEDxMidAtlantic
22:52
8 ways the world could suddenly end: Stephen Petranek at TEDxMidwest
17:33