How do sea molluscs create the consistent patterns on their shells? How do they know when and how to change the pigment?

Having recently spent several quiet days on nearly empty beaches along the New Jersey shore, I was taken by the beauty of what had to be millions of broken shells and fragments scattered along the ...

Before you hit the Jersey Shore this summer, it may be wise to think twice if you happen upon a massive whelk shell on the beach that your kid wants to take home. Or even a live sand dollar, which ...