The ratios of strontium isotopes in fossil shark teeth can be used to better understand how coastal environments evolved in ...

Sharks have teeth adapted to their individual diets ... This makes them incredible ambush predators. Do sharks have silky, smooth skin? Myth! Sharkskin actually feels like sandpaper, because ...

Sharks have teeth that are kind of on a conveyor belt ... with huge aggregations of things like scallops, hammerheads and silky sharks and there could be several hundred in one shiver.

Many animals migrate long distances in order to follow food, weather patterns, or to mate. Keeping track of how far animals travel is important for scientists who need this information for ...

Our study was one of the first to date Florida coastal deposits using fossil shark teeth and a technique that looks at variations in ocean strontium. Strontium is a chemical element that occurs ...