In the previous installment of my ongoing series on evolutionary biology questions, I shared my conversation with Mike Stell about original sin within the context of an evolutionary natural history. That topic leads naturally to a related question about who the original sinners were. Actually, both the blog commenter whose questions inspired this series and Mike Stell independently asked me very similar questions. What exactly does evolutionary biology say about the first humans? … [Read more...] about Science Reader Question: Which Came First, the Sinner or the Sin?