Aug 8 : From the killer shark of "Jaws" to the tornado-tossed predators of the "Sharknado" movies, films long have portrayed sharks as objects of summer fear. But when a shark cuts through the waters off the U.S. East Coast, it now may be doing more than hunting. It may also be gathering data that helps scientists u

Aug 8 : From the killer shark of "Jaws" to the tornado-tossed predators of the "Sharknado" movies, films long have portrayed sharks as objects of summer fear. But when a shark…

Researchers at the University of Delaware are set to tag sharks off the US East Coast with small electronic devices for collecting data that could prove useful for hurricane…