craig o'connell lowers a camera trap to the ocean floor. >> i'm a little nervous, and we're going inbait, no telling what's going to happen on the bottom. kennedy: he gets eaten alive! not really, that was a clip from shark island, 8:00 p.m. during the discovery channel shark week because it reminds me of this. >> live every week like a shark week. kennedy: absolutely right. and that's how i try and do it with a startling number of shark attacks on the east coast seems everyone is talking about sharks and somewhere thinking twice before hitting the beach especially in the carolinas. craig o'connell is a shark week marine biologist, he is featured in shark island, he has innovative ideas to make it less terrifying to go back into the water. >> thank you for having me. kennedy: i love sharks, i swim in the ocean, i surf, they don't scare me unless i am swimming by myself. what is it about carolinas, are humans more delicious? >> i wouldn't put it that way. an interesting situation, what we have is the perfect combination of variables, maybe it's the warm water. maybe it's the increased

. >> reporter: scientist craig o'connell is featured in the discovery channel's "shark week."n the upcoming episode "shark island" tries to get a closer look at the island's aggressive predators. >> is there something unique about these sharks that we can target to keep them away from swimmers? >> reporter: he's been developing a system that uses strong magnets to overwhelm sharks' electromagnetic senses. >> i have bait adjacent to these magnets, these sharks were come in for the bait at the last second get really violent aversion responses. >> it's a technology that will allow sharks and people to peacefully coexist in the same environment. it could be something that could potentially be used in an area such as north carolina. >> reporter: no comfort to those who have fallen victim so far this summer like 16-year-old hunter treshel. >> the biggest adjustment has just been day-to-day activity, honestly. >> reporter: the teenager who lost his arm is home recovering. he was left handed and thousand has to relearn everything. >> i was trying to scoop ice cream. that's really diff