Alexander Vilenkin - How Did Our Universe Begin?
8:51
Alexander Vilenkin - Why Did Our Universe Begin?
7:59
Alexander Vilenkin - Did the Universe Begin?
9:53
Alexander Vilenkin - Did Our Universe Have a Beginning?
8:12
Willem Drees - The Mystery of Existence
26:23
The Dark Energy Delusion | Claudia de Rham Public Lecture
10:11
Brian Cox - What Was There Before The Big Bang?
14:15
Sean Carroll - Physics of Consciousness
10:03