What's inside a clam? A retractable foot, a siphon for sucking up water, powerful muscles, and, sometimes, a pearl. And you thought ... And then there are giant clams, which can grow more than ...

Pearls were found in the clams in many rivers, but none of any particular value was found except in Sugar and Pecatonica Rivers, in Southern Wisconsin. Not only has the stock of pearls been ...

Giant clams, some of the largest mollusks on Earth, have long fascinated scientists. These impressive creatures can grow up to 4.5 feet in length and weigh over 700 pounds, making them icons of ...