from National Geographic from National Geographic from National Geographic from National Geographic from National Geographic Oldest Clam Consternation Overblown from National Geographic from National Geographic from National Geographic from National Geographic from National Geographic from National Geographic from National Geographic from National Geographic from National Geographic turned out to be 507 years old from National Geographic from National Geographic from National Geographic from National Geographic from National Geographic from National Geographic from National Geographic from National Geographic from National Geographic from National Geographic this embarrassing case turned out to be 507 years old from National Geographic from National Geographic from National Geographic from National Geographic from National Geographic from National Geographic from National Geographic from National Geographic from National Geographic from National Geographic from National Geographic from National Geographic from National Geographic from National Geographic from National Geographic from National Geographic from National Geographic from National Geographic from National Geographic from National Geographic from National Geographic from National Geographic from National Geographic Ming from National Geographic from National Geographic from National Geographic from National Geographic from National Geographic from National Geographic turned out to be 507 years old controversial