How did the crocodile get its smile? The functions that give the reptile its signature wrinkled snout aren't quite the same as those responsible for the rest of its scales, with precise mechanical ...

Typically, animal skin appendages including hair, feathers, and scales are controlled by specific genes when an embryo is developing. There are some exceptions to this rule–including in crocodile ...

How can we explain the morphological diversity of living organisms? Although genetics is the answer that typically springs to ...

A study shows that turtles use both genetic signals and mechanical forces to form the scales on their heads, revealing a shared heritage with crocodiles and dinosaurs. In vertebrates, the formation of ...

Learn about the unique way turtles create their scales and how it’s revealing an ancient evolutionary link to dinosaurs, crocodiles, and birds. Turtles have roamed the Earth since the Triassic Period ...

How can we explain the morphological diversity of living organisms? Although genetics is the answer that typically springs to mind, it is not the only explanation. By combining observations of ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. For reptiles, crocodiles have some pretty distinct skin. Instead of ...