The urchins have self-honing teeth that can chomp through rock to carve out hideaways along the shore. Analysing their teeth, US scientists have found layered calcite crystals held together by ...

Scientists have discovered that the serrated edges of Komodo dragons’ teeth are tipped with iron. Led by researchers from King’s College London, the study gives new insight into how Komodo dragons ...

It was already known that Komodo dragon teeth are similar to those of many carnivorous dinosaurs, in that they're laterally flat, curved back, and serrated along the edges. An international team of ...

Stingrays, also known as sea rays, are flat-bodied members of the Myliobatiformes order; the same order that contains sharks. Within this order, there are eight distinct families of stingrays, with ...