In this episode of RTÉjr Radio's Let's Dive In, Julie and Phil join forces with Collie Ennis to find out how snails grow their shells. Collie Ennis, Zoologist extraordinaire and Critter Shed podcast ...
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 ...