Show the zoologist Bill Schutt what your mouth looks like, and he’ll tell you who you are. By Sam Kean Sam Kean is the author of six books on science history, including “The Icepick Surgeon” and “The ...

Bull sharks (Carcharhinus Leucas) are one of the ocean’s most fearsome creatures. Although some animals may prey on bull sharks, such as crocodiles, killer whales, and the occasional great white shark ...

Sharks continually shed and regrow teeth throughout their lives, replacing worn or lost teeth with new ones. That makes them particularly good at catching prey. However, these top marine predators ...

Our evolutionary history bears the bite marks of our teeth. And not just on our outcrop of the mammalian divergence, but across a vast range of animals, extinct and extant, backboned and not, ...

Piranhas are among the most well-known freshwater predators, renowned for their sharp teeth and exceptionally strong bites. Often misunderstood due to sensationalised portrayals, these fish are highly ...