Abstract
Bioethicists have, of course, always been concerned with death: we have asked when should we allow it to happen without trying to stave it off any longer; whether is it ever acceptable for doctors to hasten or cause it; how can we make death a dignified and relatively humane experience for the dying and for their loved ones; and how we can and cannot treat human remains. We discussed all of these classic ethical issues even when death itself seemed to be a fairly straightforward, all-or-nothing concept: life and death were natural, biological states, and people were either alive, with a beating heart and a working brain, or they were dead, and everything in them had stopped. But over the last several...