Immortality is eternal life or the ability to live
forever. Biological forms have inherent
limitations that medical interventions or engineering may or may not be able to
overcome. Natural selection has developed potential biological immortality in
at least one species, the jellyfish Turritopsis dohrnii.
Certain scientists, futurists, and philosophers, have theorized about the immortality of the human body, and advocate that human immortality is achievable in the first few decades of the 21st century, whereas other advocates believe that life extension is a more achievable goal in the short term, with immortality awaiting further research breakthroughs into an indefinite future. Aubrey de Grey, a researcher who has developed a series of biomedical rejuvenation strategies to reverse human aging (called SENS), believes that his proposed plan for ending aging may be implementable in two or three decades. The absence of aging would provide humans with biological immortality, but not invulnerability to death by physical trauma; although, mind uploading could solve that issue.
What form an unending human life would take, or whether an immaterial soul exists and possesses immortality, has been a major point of focus of religion, as well as the subject of speculation, fantasy, and debate. In religious contexts, immortality is often stated to be among the promises by God (or other deities) to human beings who show goodness or else follow divine law. Immortality means living forever.
Certain scientists, futurists, and philosophers, have theorized about the immortality of the human body, and advocate that human immortality is achievable in the first few decades of the 21st century, whereas other advocates believe that life extension is a more achievable goal in the short term, with immortality awaiting further research breakthroughs into an indefinite future. Aubrey de Grey, a researcher who has developed a series of biomedical rejuvenation strategies to reverse human aging (called SENS), believes that his proposed plan for ending aging may be implementable in two or three decades. The absence of aging would provide humans with biological immortality, but not invulnerability to death by physical trauma; although, mind uploading could solve that issue.
What form an unending human life would take, or whether an immaterial soul exists and possesses immortality, has been a major point of focus of religion, as well as the subject of speculation, fantasy, and debate. In religious contexts, immortality is often stated to be among the promises by God (or other deities) to human beings who show goodness or else follow divine law. Immortality means living forever.
Prospects for Human
Biological Immortality
- Life-extending substances
- Technological immortality (transhumanism)
- Cryonics
- Man-to-computer uploading
- Cybernetics
- Evolutionary immortality
Undesirability of Immortality
Physical
immortality has also been imagined as a form of eternal torment, as in Mary
Shelley's short story "The Mortal Immortal", the protagonist of which
witnesses everyone he cares about dying around him. Jorge Luis Borges explored
the idea that life gets its meaning from death in the short story "The
Immortal"; an entire society having achieved immortality, they found time
becoming infinite, and so found no motivation for any action. In his book
"Thursday's Fictions", and the stage and film adaptations of it, Richard
James Allen tells the story of a woman named Thursday who tries to cheat the
cycle of reincarnation to get a form of eternal life. At the end of this
fantastical tale, her son, Wednesday, who has witnessed the havoc his mother's
quest has caused, forgoes the opportunity for immortality when it is offered to
him. Likewise, the novel Tuck
Everlasting depicts immortality as "falling off the wheel of life"
and is viewed as a curse as opposed to a blessing
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