By cons, which is really annoying for someone who talks about the history of the history of the universe, is to see how his sources and his eyes are US-centric. This is amazing for an author who has traveled extensively and stayed long time in Europe, but it is increasingly visible as and as the story of these stories of recent developments. Thus Newton must be content with a folding seat and when in the end he visits scientists who explore these stories today that it meets US!