The snail’s shell diameter averages about 22 to 30 millimeters (.87 to 1.18 inches). Each snail’s shell has a unique combination of stripes and colors, so no two are exactly alike. These snails eat ...

Three sea-snail shells previously discovered at Stone Age sites in Israel and Algeria contain intentionally fashioned holes in their centers, making the finds the oldest known examples of personal ...

Symmetry is a feature of many plants, animals and even some molecules — like water. But that’s not the case with snails and their coiled shells. They are chiral — asymmetrical in such a way that they ...

Our excavations at Shanidar Cave in north-eastern Iraq have produced a tiny shell plaque which was made by the first modern people in the region. This little object seems to have been made to ornament ...