Imagine an elephant, but with tusks at least twice the size of those borne by an elephant living today. Imagine an elephant, but covered in a thick shaggy coat of hair, some of those hairs over a...
It all started with a big bang. Wait, we don't have to go back that far. The earth was formed 4.5 billion years ago. No, still too far. Try this. It's the middle ages. People in...