Autism—and its milder cousin Asperger's syndrome—is surging among the children of Silicon Valley. Are math-and-tech genes to blame? Autism—and its milder cousin Asperger's syndrome—is surging among the children of Silicon Valley. Are math-and-tech genes to blame? Nick is building a universe on his computer. He's already mapped out his first planet: an anvil-shaped world called Denthaim that is hom