Heart cockle shells in natural light (top row) and illuminated from within to show the transparent shell windows, which vary from little triangles to stripes to mosaics. Credit: Dakota McCoy A team of ...

An unsuspecting shellfish with an adorable-looking shell may contain the secrets of fast internet speed. This quirk of evolution marks the first time fiber-optic cable bundles have been spotted in a ...

SLURPING OYSTERS from their shells may be a rare indulgence for humans, but these bivalve molluscs and their relatives, such as clams and mussels, slurp for a living. Most are filter feeders, ...