Paul White talks with Tim Lewens, a philosopher of biology in the Department of History and Philosophy of Science at the University of Cambridge. Dr Lewens is the author of Organisms and Artifacts 2004, which examines the language and arguments for design in biology and philosophy. He has also just completed a book on the role of Darwin and Darwinism in modern philosophy: Darwin 2007. In this interview, Dr Lewens discusses the role of Darwinism in modern science, the arguments for intelligent design in nature, the implications of evolution for religious belief, and the importance of a historical understanding of Darwin's work.