From the beginning as a fertilized egg to the complexity of 6 million cells working in concert, this text records the landmarks of physical life. Unusual techniques, developed for the TV series which this book accompanies and in association with leading scientists and photographers, allow the reader to visualize the secret architecture of the myriad daily dramas that occur in our bodies. This text draws on many of these techniques to provide an illustrated account of the body's journey from birth to death.