A famed Japanese destroyer lost in 1942 has been found severed on the South Pacific seafloor — the result of a fantastic David-vs.-Goliath sea battle that remains the stuff of legend for the U.S. Navy ...

Not all jewels shine deep-green like emeralds or have the sparkle of diamonds. Some tumble from algae-coated cages in a rush of rock and shell, briny water splashing alongside them onto the boat deck.