At the Astrobiology Science Conference last March, Astrobiology Magazine organized a debate about alien life. Using Peter Ward’s book, “Life As We Do Not Know It” as a launching pad, the participants debated everything from how to define “life” to what kind of strange aliens we can expect to find in our explorations. In part one of this seven-part debate series, Peter Ward tells how he was booed at a science fiction convention, and Neville Woolf has a conversation with his computer. [ Visit Website ]