How many times does a genius have to die anyway? Rudyard Albert Goldstein, inventor of the Biomic Network algorithm, asked himself-and his AI guardian, Mnemosyne (aka Nessie)-that question many times in the course of their million-year relationship. Nessie didn't play fair, making multiple copies of him from time to time in an effort to preserve his precocious species, H. sapiens from natural disasters, invading aliens, their own self-destructive...