Nation Uptick in East Coast shark sightings has lifeguards on alert and experts searching for answers September 2, 2022N'dea Yancey-Bragg, USA TODAYComments Off on Uptick in East Coast shark sightings has lifeguards on alert and experts searching for answers Experts are trying to determine what might be bringing sharks closer to shore and further north as lifeguards find new ways to protect the public.