Have you ever wondered if slugs can smile — or if they even have teeth? Their smooth bodies and simple appearance might ...

Birds, unlike their dinosaur ancestors, lack teeth, relying on beaks and gizzards for eating. Some birds have evolved tooth-like adaptations for gripping prey. Mammals like the giant armadillo boast ...

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment.View full profile Rachael has a degree in Zoology ...