I Think the Real Key to Humanity Is That We've Been Through Recent Cataclysm

Randall: We've just been taught that we're on this linear scale from you know the stone age to us and I'm sure there's a little few ups and downs in that in that path. He says if more people realize that well no we might be nothing but the latest revolution of human civilization eventually the hamster falls off. The most recent one being the younger driest was so severe that it literally changed the surface of the earth, he says.