In the wake of two especially brutal attacks in Australia, ocean-lovers can try a new invention to ward off the toothy terrors This year got off to a bad start in Australia, which had its first fatality in January when 21-year-old Sarah Whiley died from shock and blood loss after being savaged by up to three bull sharks while swimming off a Queensland beach. A short time after, Bernie Williams was mauled on the elbow by a Great White, diving not far from Perth. The animal then proceeded to stalk him while he hid in a crevice on the ocean...