But was this apex predator simply a beefed-up great white shark ... teeth show that their diets overlapped. 'No. It's definitely not alive in the deep oceans, despite what the Discovery Channel has ...

Sharks don’t have bones. Their skeletons are made of cartilage - the same soft, flexible stuff as your ears and the tip of your nose are made of ... a shark's skeleton not made of cartilage is their ...

and has disclosed no relevant affiliations beyond their academic appointment. Our study was one of the first to date Florida coastal deposits using fossil shark teeth and a technique that looks at ...