A comprehensive investigation into the axial complex of sea urchins (Echinoidea), an internal structure with unknown function, has shown that within that group of marine invertebrates there exists...
The spines of sea urchins make them look like pin cushions, but these marine invertebrates also have very sharp teeth that can dig into rock. Now researchers have discovered what makes the teeth so...
he first comprehensive "inventory" of sea and land animals around a group of Antarctic islands reveals a region that is rich in biodiversity and has more species than the Galapagos.
