Cosmic radiation -- a showstopper for space exploration? | Marco Durante | TEDxRheinMain
16:46
How can we better protect astronauts from space radiation? | Sarah Baatout | TEDxAntwerp
17:30
Why We are Alone in the Galaxy | Marc Defant | TEDxUSF
17:33
Artificial Intelligence: it will kill us | Jay Tuck | TEDxHamburgSalon
11:57
DMT and the Psychedelic Renaissance | Nick Glynos | TEDxUofM
13:59
The Contradictions of Battery Operated Vehicles | Graham Conway | TEDxSanAntonio
13:00
5 key habits for longer healthspans | Dr. Tom Perls | TEDxBoston
17:08
How asteroid mining can allow us to travel to space | Nina Hooper | TEDxHarvardCollege
16:08