Darwin puzzled over why ancient Precambrian rocks seemed barren of life. Brasier describes the quest to shed light on Darwin's Lost World, the discovery of its strange creatures, and what drove the sudden flurry of evolution called the Cambrian Explosion, amid tales told with relish of expeditions to the remotest corners of the world. - ;Darwin made a powerful argument for evolution in the Origin of Species , based on all the evidence available to him. But a few things puzzled him. One was how inheritance works - he did not know about genes. This book concerns another of Darwin's Dilemmas, and