Add Yahoo as a preferred source to see more of our stories on Google. Many film historians see 'Jaws' as the first true summer blockbuster. Steve Kagan/Getty Images “Da, duh.” Two simple notes – E and ...

Two simple notes – E and F – have become synonymous with tension, fear and sharks, representing the primal dread of being stalked by a predator. And they largely have “Jaws” to thank. Fifty years ago, ...