Why Did The Earth Totally Freeze For 100 Million Years?

36:10
What Was The "Boring Billion" Really Like?

1:51:36
What Will Humanity Do If We Ever Discover Aliens?

27:02
What Was Earth Like 3 Billion Years Ago?

33:37
Something Strange Happens When You Trust Quantum Mechanics

1:06:55
Échec de la conception

37:54
What's Hidden Under the Ice of Antarctica?

56:39
What Was The Earth Like 500 Million Years Ago?

1:08:15