On a silver-plated chain dangles an "ocean blue" heart pendant made of glass and reminiscent of the fictional jewel used as a plot device in Mr. Cameron's movie.
Bighead and silver carp gobble enormous volumes of plankton, a crucial link in the aquatic food chain, while silver carp sometimes collide with boaters by hurtling from the water when startled.
Joseph Woodland and Bernard Silver developed the very first bar code scanning system, in the late 1940s, after Woodland heard a food chain executive say he wished he had a way to capture product information at checkout.