Why nations fail | James Robinson | TEDxAcademy
16:13
Why do we celebrate incompetent leaders? | Martin Gutmann | TEDxBerlin
18:36
An Economic Hit Man Confesses and Calls to Action | John Perkins | TEDxTraverseCity
17:33
Why renewables can’t save the planet | Michael Shellenberger | TEDxDanubia
17:05
The Origins and Evolution of Language | Michael Corballis | TEDxAuckland
15:27
The Poverty Paradox: Why Most Poverty Programs Fail And How To Fix Them | Efosa Ojomo | TEDxGaborone
14:53
The secret to getting better sleep tonight | James Leinhardt | TEDxManchester
20:54
Our democracy no longer represents the people. Here's how we fix it | Larry Lessig | TEDxMidAtlantic
12:58