Could airships make a comeback? | Nick Rogers | TEDxKingstonUponThames
13:24
Could AI make flying more dangerous? | Christoph Regli | TEDxZHAW
15:26
The Arctic through a photographer's lens | Acacia Johnson | TEDxRISD
17:22
How satellites help put breakfast on the table | Caryn Schenewerk | TEDxAustinCollege
17:59
What if Everything You Know is Wrong: Bob McDonald at TEDxVictoria 2013
18:26
Why heroes don't change the world | David LaMotte | TEDxAsheville
16:14
Meet the mysterious inhabitants of the deep sea | Lisa Becking | TEDxAmsterdam
13:34
3 problems with sustainable fashion | Mary Ruppert-Stroescu | TEDxStLouisWomen
20:10