Shark sightings surge along southern Maine coast as experts explain what's driving the spike

Shark sightings are on the rise this summer in southern Maine, with local law enforcement urging beachgoers to be cautious in the water as several white sharks have been caught on camera. Researchers say reported white shark sightings are up this year, though the increase may partly reflect favorable beach weather and more people actively looking for the predators. "I would say there’s no question that there’s been a lot more sightings this year. Does that translate into a higher number of shark