TABLEOF CONTENTSINTRODUCTION7CHAPTER I: SCIENCE11BIOLOGICAL IMMORTALITY17Michael R. Rose, Ph.D.THEWARONAGING29Aubrey de Grey, Ph.D.THE DREAMOF ELIXIR VITAE47João Pedro de Magalhães, Ph.D.THERAPEUTIC CLONING63Michael D. West, Ph.D.NANOMEDICINE77Robert A. Freitas Jr., J.D.HUMAN BODY VERSION 2.0 93Raymond Kurzweil, Ph.D.PROGRESSTOWARD CYBERIMMORTALITY107William Sims Bainbridge, Ph.D.WILL ROBOTS INHERITTHE EARTH? 123Marvin L. Minsky, Ph.D.MEDICALTIMETRAVEL135Brian Wowk, Ph.D.