When a Billion Years Disappeared
10:30
The World Before Plate Tectonics
26:48
What Happened to Earth 1 Billion Years Ago? The Great Unconformity
23:26
Antarctica Before It Froze
14:13
Animals Might Be Much Older Than We Thought
22:19
Physicist Brian Cox explains quantum physics in 22 minutes
10:30
How Plants Caused the First Mass Extinction
13:50
The Unbelievable Story of Earth’s Most Epic Flood
33:01