And that is how real sponges arrived in fancy bath stores and were sold in beautiful packaging “Give me a word and I will show you that it comes from Greek.” —Mr. Portokalis, character in “My Big, Fat, Greek Wedding” Having experienced the excruciating ear pain from failure to equalize the pressure change underwater, I am in awe of any scuba diver who goes underwater to explore the depths of our oceans or, as is the case of pearl divers, to find exquisite pearls that adorn rare and expensive jewels. There are submersibles that operate at depths of 6,500 feet...