The Brief Researchers at Mote Marine Laboratory are studying the interaction between humans and sharks in the water. Scientists published a paper about an electronic pulse device that aims to deter sharks from fishing lines. They just published research about an electronic pulse device aimed at deterring sharks from fishing lines. "Pops in, locks in, and then we tie the bait about 25 centimeters above this device," Morris said. Courtesy: Mote Marine LaboratoryResearchers plan to continue expanding their trials and studying ways for humans and sharks to coexist.