There are fewer unprovoked shark attacks worldwide; researchers aren't quite sure why
(Newser) -
Despite the massive media coverage when a shark attack happens, the worldwide number of such unprovoked attacks actually fell sharply in 2018: down to 66 from 2017's 88, reports Quartz ; the five-year average had been 84. Of those 66 attacks, four led to fatalities—a figure that's also...