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Questions tagged [immortality]

For questions about the ability to live forever.

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8 votes
6 answers
2k views

How much easier/harder would it be to colonize space if humans found a method of giving ourselves bodies that could survive in almost anything?

For exact specifications, the bodies are not necessarily hard sci-fi. The astronauts/colonists/etc. still look either human or like something from human imagination, but are technically made of Charm ...
Gadg8eer's user avatar
-2 votes
1 answer
151 views

How to achieve immortality? [closed]

I've been planing a story for a long time and I have everything ready except this, Does anyone have an ideas on how to achieve immortality (doesn't have to be super scientific but i would appreciate a ...
finn's user avatar
  • 17
1 vote
3 answers
193 views

How much would mtDNA testing help to track down matrilineal descendants of a 2000-year old immortal person?

I'm writing a story which is intended to be mostly realistic and historically accurate, but with one character who is biologically immortal. She is born in a Pictish/Caeldonian/Celtic village in ...
brandr2's user avatar
  • 11
3 votes
2 answers
284 views

Can I Achieve Immortality by Controlling Brownian Motion within cells? [closed]

Okay, so I have these beings that are supposed to be able to alter their bodies and do it in such a way that they can make themselves and other practically immortal. But now I am needing to know how ...
skout's user avatar
  • 2,058
12 votes
16 answers
5k views

How to serve the gods

TL;DR: How can a mortal become worthy of being listened to by the gods? I'm seeking a logical framework to establish a specific relationship between gods and mortals. The Relationship: Mortals can ...
user avatar
8 votes
9 answers
3k views

Could some sort of genetic engineering allow for "renewable" immortality?

Is there a way that a sort of immortality could be achieved through genetic engineering or some other type of biological/medical technique? Not necessarily permanent immortality until the heat death ...
maisaur's user avatar
  • 941
-1 votes
1 answer
234 views

What are some plausible justifications for why "there can be only one" immortal? [closed]

The Highlander series is based on immortals killing each other off so there will be only one immortal in the end. That never sat right with me: why can't the immortals live forever and let live ...
wokopa's user avatar
  • 4,765
1 vote
1 answer
110 views

How to download the mind once it has been uploaded [closed]

So, continuing along the basis of this earlier question: Justifying why mind uploading destroys the brain, these aspiring immortals now have a full computer emulation of their subject’s brain. (Big ...
user98816's user avatar
  • 8,671
14 votes
16 answers
5k views

Justifying why mind uploading destroys the brain

So, in the relatively-far future, humans, in their endless quest for immortality, develop a form of mind uploading. This involves scanning the brain, cell by cell, and creating an electronic model of ...
user98816's user avatar
  • 8,671
8 votes
5 answers
2k views

Would a brain transplant suffer immunorejection if the new body was cloned from the original?

So, having rejected mind uploading in their quest for immortality, the people of my worldbuilding project now seek to develop brain transplanting. The main problem is immunorejection; if you simply ...
user98816's user avatar
  • 8,671
3 votes
5 answers
7k views

Theoretically, how long could a brain "last" if the body it was in was biologically immortal?

I was watching a video on Black Holes and the speaker said that it would take a septenvigintillion years to completely evaporate. That's a 1 with 84 zeroes after it. Life extension technology will ...
Max's user avatar
  • 71
0 votes
1 answer
141 views

Immortality by blocking programmed cell death [duplicate]

As per my understanding of biology, cells (and ultimately humans) die because they are programmed to die, i.e. they secrete enzymes to destroy the cell after a specific time period. For e.g. Caspases ...
Alastor's user avatar
  • 3,422
9 votes
17 answers
5k views

How can there be war/battles/combat in a universe where no one can die?

In my world, no one can die. There is no pain, no death, no injury, etc. Everyone has superpowers. Some people have pyrokinesis, some people have godlike strength, some people can read minds, some ...
user avatar
1 vote
1 answer
199 views

How would the prison system react to an (Unprovable) immortal inmate? [closed]

The year is 1922, in the (real life) United States. For a slew of particularly nasty criminal offences, a young man has been sentenced to 100 years in prison, without parole. Fast forward 100 years, ...
ebinbenis's user avatar
  • 1,539
2 votes
3 answers
578 views

Could there be a romantic relationship between an ancient immortal and young mortal without a power imbalance? [closed]

Romantic relationships with serious age-gaps are controversial in real life. It is often seen as the older person is engaging in predatory behavior since they are generally both wiser and richer than ...
ITM_Coder's user avatar
1 vote
3 answers
204 views

How would marriage look like in a modern setting where there is a "force" that gives happily married couples the gift of biological immortality? [closed]

I'm actually quite interested in this topic and a consideration as to how people would approach marriage, from a world building perspective, if being happily married made you immortal. Allow me to ...
ColonizeroftheSun's user avatar
14 votes
14 answers
5k views

Solutions for overpopulation for an immortal race

Imagine a city full of people that are immortal; they can't die by aging and normal weapons can't hurt or kill them. So the government needs to find ways to overcome its overpopulation issues. After a ...
Crimsoir's user avatar
  • 437
-6 votes
1 answer
120 views

I need to know if we can be immortal? In any way ! It could be either biologically or supernaturally [closed]

Immortality Ancient Greek immortals Philosopher's stone Nicolas flamel Secret potions Majic
Namjoon Kim's user avatar
3 votes
6 answers
259 views

Why are the good guys in my world hurting other people against their will to extend their own lives? [closed]

For the benefit of anyone who sees this and has a similar question. It seems like I should have asked this elsewhere. Maybe writing se or something. The problem I'm trying to solve: a faction is ...
Brent Hackers's user avatar
7 votes
6 answers
780 views

What are some specific body parts that would irreversibly fail over time in a cancer-immune, biologically immortal person?

Let's say that you have a person who's, if certainly not immortal in the general sense, biologically immortal, as enumerated in this question - not only do their telomeres never shorten, they're also-...
KEY_ABRADE's user avatar
  • 13.1k
6 votes
3 answers
593 views

Near-biological immortality and cancer immunity via repurposing telomeres

TL;DR: I have solved aging and cancer with the power of handwaving and genetic science. All rejoice. Yes, there is a question at the end of this all, but you have to read it for it to make sense. In ...
KEY_ABRADE's user avatar
  • 13.1k
11 votes
9 answers
4k views

Would an immortal member of a species stagnate the species' evolution?

A member of a species becomes immortal, loss of senescence, incapable of dying from age-related issues. Otherwise it remains the same as other members of its species at the point at which it became ...
Lemming's user avatar
  • 6,097
34 votes
31 answers
9k views

A subset of humanity is immortal, how do I stop them from financially dominating?

Modern earth, no magic. Only difference is that a small percentage (~1%) of the population are biologically immortal, they can die by accidents/murder/etc but are immune to old age and disease (they ...
cypher's user avatar
  • 7,232
20 votes
9 answers
3k views

Immortals and privacy: how do they protect their writings and drawings?

We are pretty used to read private letters of important and less important people who lived in a distant past: for example we can read the quite explicit letters that Mozart wrote to his wife and love ...
L.Dutch's user avatar
  • 296k
34 votes
11 answers
8k views

How would a female immortal be able to hide while keeping their name down the centuries?

A common trope with immortality is that the immortal character hides their true nature by faking their death every so often and pretend to be one of their descendants. They end up adding a "III&...
user2352714's user avatar
  • 14.1k
10 votes
8 answers
3k views

How can biological immortality lead to an increasing number of stillbirths?

The society of an island nation is led by a religion known as "The Church of the Eternal Mother", it is an ancient faith that adheres to a fertility goddess. This faith is led by five ...
Incognito's user avatar
  • 38.5k
17 votes
19 answers
6k views

How would the punishment of murder change if people could just respawn?

In this world, since there has been writing, when someone dies unless they are pregnant, they kill themselves on purpose, or they die while asleep, they will respawn where they last slept, just like ...
user avatar
-2 votes
1 answer
87 views

Could my deuterostome-like species exist? [closed]

I am writing a science-fantasy story that is set in a pseudo-post-apocalyptic Earth ten million years in the future, and it is about a strange creature that looks vaguely a deuterostome called Céleste ...
mammifereviolet4694's user avatar
2 votes
3 answers
292 views

How would an immortal go about conquering the world? [closed]

Bob Jennings is immortal. His abilities are such: He is completely immune to bodily harm, i.e. bullets bounce off of him, he can't get killed by anything. He does not have to breathe or eat. He is ...
fartgeek's user avatar
  • 767
5 votes
2 answers
640 views

What would happen after an immortal suffered brain damage?

Assuming the existence of an immortal being with almost instant regeneration, if he suffered brain damage and regenerated, his memories, personality, etc. would they be restored or lost? Would it ...
user avatar
2 votes
1 answer
115 views

What would an inhabitable world for a very long term immortal be? [closed]

I've seen a a lots of topics about short/mid term immortality, but I'm interested in very long term immortality in the range of millions of years. The immortal character, a Homo Sapiens, has slowly ...
Bebs's user avatar
  • 643
11 votes
7 answers
768 views

Can a Digital Immortal Pass Away?

Digital Immortality It is the virtual era, and mankind has progressed towards immortality, realized through conversion of the body and mind (and soul) into a digital form, allowing people to shed ...
Enthu5ed's user avatar
  • 3,759
4 votes
5 answers
197 views

How does my society manage to not fall apart? [closed]

So, I am writing a story which is set in a world almost identical to real, except there is small difference, about ten percent of human population ages almost twice as fast as normal, they reach "...
Terry Glebnerr's user avatar
25 votes
15 answers
5k views

Why would some immortal beings choose to appear elderly?

In a magical world where mages can become immortal, why would some of them retain the appearance of being old (70s-80s), even though they can become young and beautiful? Even some mages who become ...
user79231's user avatar
  • 269
0 votes
2 answers
104 views

In a space faring egalitarian civilization where immortality is the norm, how would you enforce an upper limit on age by region? [closed]

The premise is a space faring civilization that achieved post scarcity and immortality but not enlightened enough to be immune to petty feelings like jealousy. In this post scarcity civilization, the ...
Fred's user avatar
  • 4,156
3 votes
2 answers
397 views

Creature that increases its own lifespan by killing other members of its own species

There is an intelligent creature whose natural life span is around 50 years, during which they need to feed to not die of starvation, and after which they naturally die. But killing other beings of ...
user avatar
2 votes
3 answers
267 views

Possibly of achieving prolonged immortality

Death, most if not all of us fear it. However, it may be possible to postpone death for a while, and hopefully entirely. One major way of postponing death for awhile is through the biological route, I....
RotNDecay's user avatar
  • 2,514
4 votes
6 answers
410 views

Why must all deities visiting the realm of the living become mortal? [closed]

There are many states of being in this world, and some have managed to become immortal and gain the ability to manipulate nature at will to a certain extent. People called them deities and they are ...
user6760's user avatar
  • 48k
3 votes
6 answers
580 views

Could a Ruling Class of Immortals Lead to Significant Social and Technical Stagnation?

There is a land ruled by Alchemists who have used their craft and powers to cheat death itself. Centuries ago they learned how to create artificial humans without conscious minds that were useful ...
user avatar
3 votes
6 answers
300 views

Biological Explanations for Aging Stopping in a 100% Human Being

So there's this man that was born 1,000 years ago, but today he's still living and he's (biologically) 28 years old. He just stopped aging at that age. He is not immortal. He has been hurt in wars. ...
Cesar's user avatar
  • 33
11 votes
2 answers
945 views

Forgetting Curve of an Immortal Being

The older a memory is the fewer details we remember. The importance or impact of an event can also drastically affect how much we remember about it, but even the most impactful will, presumably, ...
WillRoss1's user avatar
  • 1,557
1 vote
2 answers
315 views

Is there any way that an immortal being could go without being ever noticed? [closed]

I've started this concept of a series of stories, in which an immortal being causes all of the conflicts for his own entertainment. The question is how could he go unnoticed by any modern government? ...
Brendon's user avatar
  • 19
28 votes
15 answers
10k views

How does an immortal vampire king hide his vampirism and immortality?

I am aware of this question, but I think my situation is somewhat different. In the low-fantasy setting I'm working on, the king is a vampire in a world in which vampirism is punished by death. But ...
Ryan_L's user avatar
  • 14.3k
0 votes
4 answers
366 views

In a population of 30 million, how many people would a 3,000-year-old know?

In my universe, everyone is a few thousand years old (ranging from about 1,500 to 4,000 years) and the population is capped at around 30 million people. People live pretty spread out across a planet ...
StrangerHopeful's user avatar
7 votes
9 answers
1k views

Immortal Passing Ritual [closed]

On a different planet, humanoid creatures called immortals have achieved immortality. The society is built specifically for these immortals, so in general, the immortals enjoy and cherish their lives....
Enthu5ed's user avatar
  • 3,759
17 votes
15 answers
10k views

How would a young girl/boy (about 14) who never gets old survive in the 16th century? [closed]

In fantasy setting, in medieval time, there are a disease, curse... for simplicity in this scenario, let's call it "vampire". The victim who is afflicted with this "vampirism" does not get older. So ...
Haha TTpro's user avatar
  • 3,087
0 votes
4 answers
299 views

How one can verify if they are protected by the system (universe) without taking any risks? [duplicate]

The observer should determine whether he is in some kind of game where the system will not allow him to die while at the same time hiding this fact from him. The system can use any unsuspicious means ...
Anixx's user avatar
  • 5,360
5 votes
5 answers
1k views

How would a society evolve if some people are immortal?

The setting is as follow. In a planet like earth, one day, 10% of the population suddenly becomes immortal. The "immortals" are not physiologically different from the "mortals" and initially it is ...
Arkadipta Sarkar's user avatar
5 votes
3 answers
303 views

How can an immortal surrogate pass on genes to a fertilized embryo?

I am part of a group of immortals from the planet Ziest. From the dawn of time we came…moving silently down through the centuries. Living many secret lives, struggling to reach the time of the ...
Incognito's user avatar
  • 38.5k
15 votes
9 answers
4k views

How would the law enforce a ban on immortality? [closed]

I'm writing a fantasy story where magic is common and wizards follow a strict code of conduct. One of those tenets is "never stray from humanity and do not seek immortality or godhood." While I admit ...
VoydDixon's user avatar
  • 551