Puzzling Mysteries of the Universe
16:28
How far is the edge of the universe?
39:18
What is the Biggest Flaw in the Big Bang Theory?
27:39
The Afterglow of the Big Bang: The Cosmic Microwave Background
14:44
Can leptogenesis explain why there's something instead of nothing?
1:04:09
Why we have not discovered dark matter: A theorist’s apology
11:09
What really happened at the Big Bang?
59:36
The most surprising discoveries from our universe – with Chris Lintott
38:49