A group of elephant seals sleep in the sun around a sand dune on Active Point, San Miguel Island, of the Channel Islands National Marine Sanctuary, off the coast of California. Image credit: Robert Schwemmer, NOAA National Marine Sanctuaries
You never know what you might find on a beach. Just ask Keith Moreis. During a winter stroll along the beach last December, Mr. Moreis found a bottle cast adrift 54 years ago. But who cast the bottle into the ocean?