Throughout the ages, the mysteries of what happens when we die and the nature of the human mind have fascinated us. In this collection of essays, leading scientists and authors contemplate consciousness, quantum mechanics, string theory, dimensions, space and time, nonlocal space, the hologram, and the effect of death on consciousness. Although many of these topics have traditionally been considered matters for philosophical and religious debate, advances in modern science and in particular the science of resuscitation have now enabled an objective, scientific approach--which bears widespread implications not only for science but for all of humanity.