Eight distinguished experts from a wide range of disciplines consider the nature and the use of evidence in the modern world. Peter Lipton begins the book by analysing evidence in general philosophical terms. Carlo Ginzurg then examines the ambiguities of historical evidence. Vincent Courtillot analyses the evidence for cataclysmic geological change. Monica Grady considers the evidence for life in space. Brian Greene discusses superstring theory and the quest for a unified theory of the universe. Phillip Dawid explores the uses and abuses of statistical evidence in landmark legal cases while Cherie Booth looks at the role of evidence in domestic and international law. In the final chapter Karen Armstrong considers the role of evidence in religious belief.