Archeozoic Era, a division of geologic time used by some geologists. The Archeozoic Era corresponds to early Pre-cambrian Time.
Everyone knows that once a bone has fossilized, it's hard as a rock, right? So how did scientists find soft tissue inside a broken dinosaur bone?
Earthquakes and volcanoes get all the press. But the landslides they trigger are often more devastating. What makes the ground suddenly rip downhill, taking trees and homes with it?