Imagine sunrise 67 million years ago. Light shafts break through the humid air of a lush jungle. Giant insects buzz with trepidation as a Tyrannosaurus Rex stomps through what is today Montana. Towering at 20 feet and weighing 32,000 lbs., its power is unrivaled as it picks up speed toward its unsuspecting prey. In the blood-warm Pacific, whales cautiously avoid encountering a Megalodon. It is like a Great White Shark except for one difference [...]