Over the past decade, controversy over Design has centred on biological complexity and the origin and diversification of life. This is understandable, since molecular biology is advancing rapidly, and also because the most visible exponents of design have been those in the Intelligent Design (ID) movement, many of whom, like Michael Behe, are biologists. Interestingly, many high-profile Christians within the scientific community have rejected the ID package, but have strongly endorsed a more cautious design argument. Although certainly not insurmountable, these differing views present considerable challenges for Christian teachers attempting an honest, carefully nuanced discussion of the design implications of the biosphere. Another hot are...