Sharing Geology | Nick Zentner | TEDxYakimaSalon
13:37
The secret life of a geologist | Professor Chris Jackson | TEDxWinchester
17:33
The Kurds: The Most Famous Unknown People in the World | Stephen Mansfield | TEDxNashville
17:33
Why renewables can’t save the planet | Michael Shellenberger | TEDxDanubia
16:08
Obesity is a National Security Issue: Lieutenant General Mark Hertling at TEDxMidAtlantic 2012
20:28
Narkissos | İbrahim Kalın | TEDxHacettepeUniversity
20:48
Fiziğin Haritasında Yol Biter mi? | Mete Atatüre | TEDxMETUAnkara
15:31
Ben Bir Malım | I am an Idiot | Behçet Yalın Özkara | TEDxIzmit
17:32