This story is based on a conversation with Lindsey Pierce, 36, a former pre-school teacher from London, Ohio. It has been edited for length and clarity. My husband, Tim, and I are huge nerds. We love TV series, such as "Star Trek" and "Stargate," and all of the "Star Wars" movies . So we couldn't stop laughing when a friend heard the story behind our newborn, Thaddeus. They said it was like the plot of a science fiction or fantasy film because I was 4 and Tim was 3 when he was conceived. It