17:30
Why We are Alone in the Galaxy | Marc Defant | TEDxUSF
22:31
Filling the Big Gap in Einstein’s Theory | Paul Steinhardt | TEDxCLESalon
16:10
Is there consciousness beyond the brain? | Philip Goff | TEDxNewEngland
13:57
The near-death phenomenon: Joseph Geraci at TEDxWilmington
15:01