In search of a new adventure, Craig Munns went back to school. Now, at 65, he spends his days examining long-vanished life forms Craig Munns has a large model of a T rex on his desk. He got it with a magazine subscription two decades ago. One day, a few years ago, he was sitting in his study, which was dense with books and yellow sticky notes and posters charting evolution fro... [3888 chars]