A mountain-sized telescope, under a mile of ice | Jenni Adams | TEDxChristchurch
19:33
The Roots of Religion: Genevieve Von Petzinger at TEDxVictoria
17:59
What if Everything You Know is Wrong: Bob McDonald at TEDxVictoria 2013
23:45
Fermi's Paradox and the Psychology of Galactic Empires | Matthew O´Dowd | TEDxTUWien
18:29
Neutrino Astronomy: Can You See What I See? | Jim Madsen | TEDxUWRiverFalls
20:29
Why I changed my mind about nuclear power | Michael Shellenberger | TEDxBerlin
24:15
The Fourth Phase of Water: Dr. Gerald Pollack at TEDxGuelphU
18:37
Master Shi Heng Yi – 5 hindrances to self-mastery | Shi Heng YI | TEDxVitosha
12:52