22:31
Filling the Big Gap in Einstein’s Theory | Paul Steinhardt | TEDxCLESalon
17:59
Supermassive black holes: most powerful objects in the universe | Martin Gaskell | TEDxMeritAcademy
17:45
How we found out evolution is true: John van Wyhe at TEDxNTU
25:21
5 steps to designing the life you want | Bill Burnett | TEDxStanford
23:45