Sharks are some of the most iconic predators of the ocean. Despite what we see in movies and on TV, scientists don't know much about what sharks eat in the wild. Even less is known about how sharks ...

For more than a century, researchers have relied on flat sketches of sharks' digestive systems to discern how they function -- and how what they eat and excrete impacts other species in the ocean. Now ...

Contrary to what popular media portrays, we actually don't know much about what sharks eat. Even less is known about how they digest their food, and the role they play in the larger ocean ecosystem.