A fatality in Maine has limited swimming due to concerns about sharks, whose behavior is being studied through drone use and other technology by scientists in southern California. Lisa Bernhard..
Marine and environmental scientist April Boyle reviews shark attack scenes from films including 'Jaws,' 'Deep Blue Sea,' 'Finding Nemo,' 'Couples Retreat,' 'The Meg,' 'Baywatch,' 'The Shallows,' 'Open..