Are there natural limits to biological change? Is the evidence for design in nature well-founded? On this ID The Future, host Andrew McDiarmid concludes his conversation with historian of science Michael Keas about Christianity's influence on the development of modern scientific inquiry. Keas also discusses the legacy of pioneering philosopher of science William Whewell, contrasting Whewell's perspective of the evidence for design with his contemporary Charles Darwin. This is Part 2 of a two-part conversation.