The Future of Water: Mark Owen at TEDxOSU
15:41
The Future of Water: Dr. Kalanithy Vairavamoorthy at TEDxUSF
16:20
Our Freshwater Future | Rosemary Knight | TEDxStanford
18:27
How to learn any language in six months | Chris Lonsdale | TEDxLingnanUniversity
19:33
The Roots of Religion: Genevieve Von Petzinger at TEDxVictoria
13:59
The Contradictions of Battery Operated Vehicles | Graham Conway | TEDxSanAntonio
18:47
Water Alchemy: Attila Bodnar at TEDxDanubia 2013
14:49
How Plasma can fix our waste problem | Tom Whitton | TEDxMontreal
17:19