What If Pangea Never Broke Apart?
3:21
What If You Were Alive 200 Million Years Ago
25:54
What Would Dying on Every Planet Be Like?
23:31
What If We Poured All of Earth's Water on the Sun?
13:21
What Did Pangaea Look like?
22:21
The Only Time In History That Water Was Safer Than Land
12:41
Scientists Discover Planets More Habitable Than Earth
13:23
What If Water and Land Suddenly Switched Places?
8:41