SEG1: Interview with Dive Saftery Officer  John Hanzel of the New England Aquarium in Boston MA. SEG2: Titan Dive Gear Lighting Systems: Interview Dr. Randy Klein-Gross, Ph.D.  about the Titan Gear Hydrolight Systems including the SCULA (SCULA - Self Contained Underwater Lighting Apparatus. Self contained primary dive lights) SEG3: Diver’s Alert Network: Interview with DAN Research Director Petar Denoble about a recent study Fatal recreational diving accidents 1997-2006: an update from the DAN dive accident and fatality data.