This article originally appeared on Fort Myers News-Press: Sanibel shell museum: This glossy shell is one of the rarest in the world ...

Showcasing 121 of the world's most intriguing shells ... would once have sold for hundreds of pounds. They were so rare and in demand that counterfeit shells were created and sold. This glove from the ...

Mollusks have a physical bias toward the right, just as most humans are right-handed, and this makes their shells spiral clockwise. (Very rare mutations can produce “left-handed” mollusks ...