From Diametros, a special section on Defining Death: Beyond Biology. What does it mean to die? When Jahi McMath was declared brain-dead by the hospital, her family disagreed — her case challenges the very nature of existence. Heine A. Holmen (Tromso): Why Die: A Philosophical Apology of Death. Budic Marina (Belgrade): Suicide, Euthanasia and the Duty to Die: A Kantian Approach to Euthanasia. Jessica Weisberg on Elisabeth Kubler-Ross, death’s best friend. Marko Kovic, Adrian Rauchfleisch, and Christian Caspar (ZIPAR): Killing Death: Some Implications of Extending Human Lifespan Indefinitely. Controversial study suggests there’s no limit to human aging.