Xian ( Chinese : 仙 / 仚 / 僊 ; pinyin : xiān ; Wade-Giles : hsien ) is a Chinese word for an enlightened person, translatable in English as:
Xenotransplantation ( xenos- from the Greek meaning “foreign”), is the transplantation of living cells , tissues or organs from one species to another.  Such cells, tissues or organs are called xenografts or xenotransplants . It is contrasted with allotransplantation (from other individual of the same species), syngeneic transplantation or isotransplantation (grafts transplanted between two genetically identical individuals of the same species) and autotransplantation (from one part of the body to another in the same person).
“What the Dead Men Say” is a science fiction novella by Philip K. Dick first published in Worlds of Tomorrow magazine in June 1964. The manuscript, originally titled “Man With a Broken Match”, was received by Dick’s agent on 15 April 1963.
Strategies for Engineered Negligible Senescence ( SENS ) is the term coined by British biogerontologist Aubrey of Gray for the diverse range of regenerative medical therapies, either planned or currently in development,  for the periodical repair of all age-related damage to human tissue with the ultimate purpose of maintaining a negligible senescence in the patient, thereby aiding postponing age-associated disease for as long as the therapies are …
Stem-cell therapy is the use of stem cells to treat or prevent a disease or condition. Bone marrow transplant is the most widely used stem-cell therapy, but some therapies derived from umbilical cord blood are also used. Research is underway to develop various sources for stem cells, and to apply stem-cell treatments for neurodegenerative diseases and conditions such as diabetes , heart disease , and other conditions.
In genetics and developmental biology , somatic cell nuclear transfer ( SCNT ) is a laboratory strategy for creating a viable embryo from a body cell and an egg cell. The technique consists of taking an enucleated oocyte (egg cell) and implanting a donor nucleus from a somatic (body) cell. It is used in both therapeutic and reproductive cloning . Dolly the Sheep became famous for being the first successful case …
Siming ( Chinese : 司命 ; pinyin : Siming ) Refers to a Chinese deity or deified functionary of That title Who makes fine adjustments’ to human fate , with various English translations (Such As, the Master of Fate, Controller of Fate, Judge of deified Life, Arbiter of Fate, Director of Allotted Life Spans, and Director of Destinies). Siming is both an abstract deity and a celestial asterism .
Shunamitism is the practice of an old man sleeping with, but not necessarily having sex with, a young virgin to preserve his youth. The rationale was the heat and moisture of the young woman. 
Shòu ( simplified Chinese :寿 ; traditional Chinese :壽 ; pinyin : shòu ) is the Chinese word / character for “longevity”.
Sharecare is a health and wellness commitment platform that provides consumers with personalized information, programs and resources to improve their health. It provides personalized information to the site’s users based on their responses to the RealAge Test, the company’s health risk assessment tool, and offers a clinical decision support tool, AskMD. Headquartered in Atlanta, Sharecare was founded in …