The Unusual Earth Orbit Circling Above Our Ancient Past | Roger G. Gilbertson | TEDxColoradoSprings
17:59
What if Everything You Know is Wrong: Bob McDonald at TEDxVictoria 2013
17:42
A Theory You've Never Heard Of | Michael Robinson | TEDxUniversityofHartford
17:33
Why renewables can’t save the planet | Michael Shellenberger | TEDxDanubia
17:59
Supermassive black holes: most powerful objects in the universe | Martin Gaskell | TEDxMeritAcademy
17:07
What is Goebekli Tepe | Klaus Schmidt | TEDxPrague
21:52
No Sex Marriage – Masturbation, Loneliness, Cheating and Shame | Maureen McGrath | TEDxStanleyPark
18:33
Consciousness -- the final frontier | Dada Gunamuktananda | TEDxNoosa 2014
15:48