Science in the Soul is a kaleidoscopic argument for the power and glory of science: the wonder of scientific discovery; the practical necessity of scientific endeavour to society; and the importance of the scientific way of thinking – particularly in today’s ‘post-truth’ world.With an introduction and new commentary by the author in dialogue with himself across the years, the essays, journalism, lectures and letters gathered here range over subjects from evolution and Darwinian natural selection to the role of scientist as prophet, whether science is itself a religion, the probability of alien life in other worlds, and the beauties, cruelties and oddities of earthly life in this one.A sparkl