There's a reason hit songs offer such guilty pleasure--they're designed that way. Over the last two decades a new type of hit song has emerged, one that is almost inescapably catchy. Pop songs have always had a "hook," but today's songs bristle with them: a hook every seven seconds is the rule. Painstakingly crafted to tweak the brain's delight in melody, rhythm, and repetition, these songs are highly processed products. Like snack-food engineers,...

Based on the true story of Robert Kearns. The Kearns' were a typical 1960s Detroit family. Bob is a college professor and part-time inventor. When Bob invents a device that would eventually be used by every car in the world, the Kearns' think they have struck gold. But their aspirations are dashed after the auto giants, who originally embraced Bob's creation, unceremoniously shuns him. Ignored, threatened and then buried in years of litigation, Bob...