Newsweek: In the great halls of La Boqueria, Barcelonas central market, tourists, foodies and cooks gather every day to marvel at the fresh food, like pilgrims at the site of a miracle. The chief shrines are the fish counters, where thousands of sea creatures making up dozens of species gleam pink and gray on mounds of ice. But to many ocean scientists this is not a display of the oceans bounty but a museumby the end of this century, many of these animals may be history due to mans reckless abuse of the...