What Was The "Boring Billion" Really Like?
21:25
What Would The Earth Have Been Like Without Life?
27:02
What Was Earth Like 3 Billion Years Ago?
24:33
What's inside this crater in Madagascar?
32:11
What Was The Earth Like 2 Billion Years Ago?
1:08:15
The Earliest Years Of Earth's 4.6 Billion Year History
41:18
The Dark Energy Mystery [4K]
32:29
What Is The Other 99.99% Of Life?
45:53