A Great White Shark's Tooth Looks Like A Peanut Compared To Megalodon's

Megalodon was a humongous prehistoric shark that was 10 times bigger than a Tyrannosaurus rex and ate whales. The marine beast first terrorized our oceans around 17 million years ago, according to a Discovery Channel "Shark Week" special about the predator. In spite of Discovery's partly-fictionalized documentary -- which asks viewers to believe that Megalodon is still alive -- most scientists agree that Megalodon went extinct roughly 2 million years ago. Consider us lucky. With 276 teeth, each ...