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It is amazing Some modern species have biological immortality
Some modern species may possess biological immortality.
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Immortality
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Immortality
Immortality is eternal life, being exempt from death, unending existence. Some modern species may possess biological immortality. Certain scientists, futurists, and philosophers have theorized about the immortality of the human body, with some suggesting that human immortality may be achievable in the first few decades of the 21st century. Other advocates believe that life extension is a more achievable goal in the short term, with immortality awaiting further research breakthroughs. The absence of aging would provide humans with biological immortality, but not invulnerability to death by disease or physical trauma; although mind uploading could solve that issue if it proved possible.
Biological immortality
Biological immortality (sometimes referred to "bio-indefinite" mortality) is a state in which the rate of mortality from senescence is stable or decreasing, thus decoupling it from chronological age. Various unicellular and multicellular species, including some vertebrates, achieve this state either throughout their existence or after living long enough. A biologically immortal living being can still die from means other than senescence, such as through injury or disease. This definition of immortality has been challenged in the "Handbook of the Biology of Aging", because the increase in rate of mortality as a function of chronological age may be negligible at extremely old ages, an idea referred to as the late-life mortality plateau.
List of civilisations in the Culture series
Various fictional societies are depicted in the Culture series of Iain M. Banks. The Culture series is set in the Milky Way. The galaxy is richly populated by thousands of spacefaring species and even more without any well-developed space travel. Species and civilizations differ wildly in their physique and habitats, their mindset and culture, their technical development, age, size and power. As an example for the differences in scale, the Empire of Azad (see below) is a spacefaring civilization that controls several thousand stars, yet from the perspective of the larger and more advanced Culture this empire is a small and semi-barbarous backwater society, insignificant and unknown to the average Culture citizen.
Turritopsis dohrnii
Turritopsis dohrnii, the immortal jellyfish, is a species of small, biologically immortal jellyfish found in the Mediterranean Sea and in the waters of Japan. It is one of the few known cases of animals capable of reverting completely to a sexually immature, colonial stage after having reached sexual maturity as a solitary individual. Others include the jellyfish "Laodicea undulata" and "Aurelia" sp.1. Like most other hydrozoans, "T. dohrnii" begin their life as free-swimming tiny larvae known as planula. As a planula settles down, it gives rise to a colony of polyps that are attached to the sea-floor.
Marios Kyriazis
Marios Kyriazis () (born 11 March 1956) is a medical doctor and gerontologist who helped launch and formalise the concept of anti-aging medicine worldwide. He has also contributed to the topic of human biological immortality and to the transhumanist movement aiming to abolish involuntary death by ageing. Kyriazis founded the ELPIS Foundation for Indefinite Lifespans, a scientific research organisation studying biomedical and non biomedical ways to eliminate ageing. Marios Kyriazis received primary and secondary education in Larnaca, Cyprus, and after military service with the Cypriot National Guard, he studied Medicine at the University of Perugia and then the University of Rome (Italy).
Insect
Insects or Insecta (from Latin ', a calque of Greek ['], "cut into sections") are by far the largest group of hexapod invertebrates within the arthropod phylum. Definitions and circumscriptions vary; in one approach insects comprise a class within the Phylum Arthropoda. As the term is used here, it is synonymous with Ectognatha. Insects have a chitinous exoskeleton, a three-part body (head, thorax and abdomen), three pairs of jointed legs, compound eyes and one pair of antennae. They are the most diverse group of animals on the planet, including more than a million described species and representing more than half of all known living organisms.
Neurosymploca? oligocenica
Neurosymploca? oligocenica is an extinct species of moth in the family Zygaenidae, and possibly in the modern genus "Neurosymploca". The species is known from Early Oligocene, Rupelian stage, lake deposits near the commune of Céreste in the Alpes-de-Haute-Provence, France. "Neurosymploca? oligocenica" is known only from one fossil, the holotype, specimen "MNHN-LP-R 55185". It is a single, mostly complete adult which may be male, preserved as a compression fossil in fine grained shale. The shale specimen is from the fossil bearing calcarious and oilshale outcrops of paleolake Céreste. The type specimen is currently preserved in the paleoentomological collections housed in the Muséum national d'histoire naturelle, the National Museum of Natural History, located in Paris, France.