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 ...

'Left-handed' and 'right-handed' shells of giant pond snails, Lymnaea stagnalis. ((Kuroda Laboratory)) Japanese researchers have created mirror-image snails whose shells coil in the opposite direction ...

Snails have shells the moment they're born, but it's kind of hard to tell. In fact, it's hard to even see a baby snail. Some are nearly microscopic, such as Angustopila psammion, whose adult-sized ...