Death is one of the most mysterious and inexorable problems in biology. How does life end? What is the true nature of death? Is it absolute—a fundamental state? Or is it relative and a matter of degree? Can it be defined as part of some basic reality, a detail of an unknown whole rather than merely an illusion? Although any living creature anytime can lose its life, no creature can lose its death. This is why death is safe and secure in all living things. As bioethicist Ronald Dworkin (1993) noted, death, as it were, is part of life’s dominion. (more…)