Officials blame aging materials for dramatic Shanghai accident
                                
                                
                                    (Newser) -
                                    A 33.5-ton aquarium housing sharks, fish, and turtles burst in a Shanghai shopping mall last week, injuring 16 people as it sprayed shoppers with broken glass, water, and marine animals, reports the  Telegraph . A video just now made available shows the tank rupture without warning, sending pieces of 6-inch-thick...