Introduction: the practical ethics of Peter Singer / Helga Kuhse -- The triviality of the debate over "is-ought" and the definition of "moral" -- Sidgwick and reflective equilibrium -- Philosophers are back on the job -- Bioethics and academic freedom -- All animals are equal -- Is racial discrimination arbitrary? -- Killing humans and killing animals -- To do or not to do? -- The Great Ape Project / Paola Cavalieri and Peter Singer -- Famine, affluence, and morality -- William Goodwin and the defense of impartialist ethics / Peter Singer, Leslie Cannold, and Helga Kuhse -- The moral status of the embryo / Helga Kuhse and Peter Singer -- Individuals, humans, and persons: the issue of moral status / Helga Kuhse and Peter Singer -- IVF technology and the argument from potential / Peter Singer and Karen Dawson -- Unsanctifying human life -- Should all seriously disabled persons live? / Helga Kuhse and Peter Singer -- Is the sanctity of life ethic terminally ill? -- Allocating health care resources and the problem and value of life / Helga Kuhse and Peter Singer -- Double jeopardy and the use of QALYs in health care allocation / Peter Singer, John McKie, Helga Kuhse, and Jeff Richardson -- A vegetarian philosophy -- Environmental values -- Coping with global change: the need for different values -- Hegel and Marx: dialogue with Peter singer -- Darwin for the Left