jorgenson working fast got it close enough to grab and pull it to the beach. this wasn t about sport. it was about research. watch out, watch out, watch out. jorgenson and assistant professor nathan unger. 6 1 are hunting bacteria in the mouths of sharks. we re going swab the mouth around the teeth and the gums. once the sample s taken, the shark is released. they re hoping to find out what bacteria sharks carry and whether it s the same in every species and we re pursuing tiger sharks and one of the biggest problems doctors face is not knowing what antibiotic will work to fight infection because they don t know what bacteria they re up against. ask anthony. the first bite went through the kneecap and the ankle at the same time and it was 17.5 inches