By Margaret Somerville
November 24, 2010 - Being an incurable optimist, I do not believe the human race will end, but, if it were to, I think it would most likely come about through human intervention in human life with avant-garde technoscience. Such interventions could either intentionally wipe out the species, as in the case of the transhumanists, or unintentionally, as could happen with xenotransplantation.