From shark bite-resistant wetsuits to wearable devices, experts say there are ways to reduce your risk in the ocean Get our breaking news email , free app or daily news podcast Many Australian swimmers and surfers are feeling hypervigilant about the ocean after a shark attack off a Sydney beach that has left a woman with critical injuries. Each year about 16 million Australians visit the coast, and about 42% enter the water, according to Surf Life Saving Australia data . Continue reading...