A 52-foot, life-size model of a Carcharocles megalodon shark is now on display in the National Museum of Natural History’s newly opened dining facilities. Erin I. Garcia de Jesus The Smithsonian ...

if cows swam in the sea. How big are the megalodon's teeth? Watch the video above to see how big the megalodon's tooth compares to that of a great white shark. You can also see how big it is in ...