Theories of aging

Cellular senescence is the phenomenon where cells lose the ability to divide. In response to DNA damage (including shortened telomeres) cells either senesce or self-destruct (apoptosis) if the damage cannot be repaired. Organismal senescence is the aging of whole organisms. The term aging has become so commonly equated with senescence that the terms will be … Read more

The process of aging

Aubrey de Grey, a leading researcher in the field of aging, defines aging as follows: “a collection of cumulative changes to the molecular and cellular structure of an adult organism, which result in essential metabolic processes, but which also, once they progress far enough, increasingly disrupt metabolism, resulting in pathology and death.” The second law … Read more


Strategies for Engineered Negligible Senescence (SENS) The leading modern exponent of scientific rejuvenation is the modern biomedical gerontologist Dr. Aubrey de Grey. He calls his project to reverse the damage we call aging SENS (Strategies for Engineered Negligible Senescence). He has proposed seven strategies for the “seven deadly sins”:  Cell loss can be repaired (reversed) … Read more

Synonyms of death

Killing, homicide, manslaughter, murder, assassination, trucidation; effusion of blood; blood, blood shed; gore, slaughter, carnage, butchery; battue, massacre; fusillade, noyade; thuggery, thuggism, deathblow, finishing stroke, coup de grace, quietus; execution; judicial murder; martyrdom. Killer, butcher, slayer, murderer, Cain, assassin, terrorist, cutthroat, garroter, bravo, Thug, Moloch, matador, sabreur; guet-a-pens; gallows, executioner; man-eater, apache, hatchet man [U.S.], … Read more


Thanatology is the science that study death. It investigates the circumstances surrounding death, the grief experienced by the deceased’s loved ones, and larger social attitudes towards death. It is primarily an interdisciplinary study, frequently undertaken by professionals in nursing, psychiatry, and veterinary science. It also describes bodily changes that accompany death and after-death period. The … Read more


Forensic science (often shortened to forensics) is the application of a broad spectrum of sciences to answer questions of interest to the legal system. This may be in relation to a crime or to a civil action. The use of the term “forensics” in place of “forensic science” could be considered incorrect; the term “forensic” … Read more

Biological death

Physical death is the cessation of normal body functions, the irreversible loss of both components of consciousness, arousal and awareness . In legal terms defined as “brain death”, i.e., loss of higher cortical functions. Death is the irreversible ending of life. Biologically, death can occur to wholes, to parts, or to both. For example, it … Read more

Spiritual death

A classical point of departure in defining death, seems to be life itself. Death is perceived either as a cessation of life – or as a passage on the way to a continuation of life by other means. A logically more rigorous approach, would be to ask “who dies” when death occurs. In other words, … Read more