Sharks are some of the most fearsome predators in the ocean, but did you know they have a secret superpower? Unlike humans, who only get two sets of teeth in a lifetime, sharks never run out—some ...

Anime characters with sharp teeth are usually different due to their wild, savage, or mischievous natures. Some have a shark-like grin, while others possess jagged fangs that help them be so ...

They're actually the longest teeth in the human mouth. So what are these long, sharp teeth doing among our short, stubby ones? Well, contrary to popular belief, it's not for tearing and ripping meat.