Magnetic fields applied to the brain can be used to treat ADHD, improve memory and even control your behavior and sense of morality. But unless you're a neuroscientist, it's hard to see the physiology of this phenomenon, other than trying to interpret colorful brain scans.
The following video accomplishes this beautifully.
As Doctor Hibert so eloquently put, "only one in two million people has what we call the "evil gene". Hitler had it, Walt Disney had it, and Freddy Quimby has it." And while we understand that line as a joke, it seems that an Italian court has taken the idea far more seriously.