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Questions tagged [humans]

For questions about humans as we know them or slightly changed, their physiology, psychology, politics, society and goals.

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3 votes
2 answers
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What is the maximum survivable gravity for humans for say 8 months

I know the human body can survive multiple g's for short periods - like fighter pilots or F1 drivers. But what is maximum survivable gravity for more than just a transient moment? Could a body live on ...
Spang Mcbumbum's user avatar
19 votes
5 answers
6k views

Is the average person capable of adapting to a lower oxygen content in the air than earth, given enough time to slowly acclimate?

The concept of my world rests essentially on voluntary migration of populations to other planets either for colonization or relocation. If the desired destination planet had significantly lower oxygen ...
baromako's user avatar
  • 193
1 vote
2 answers
141 views

Could civilised hive insects build galls in living humans? [closed]

The insects form an interspecific alliance of all sufficiently advanced eusocial insects within Eastern Europe. They have access to modern day science, medicine, and philosophy Using their knowledge ...
Ichthys King's user avatar
  • 16.2k
4 votes
2 answers
208 views

Living under a permanent dark

This is the 3. Part of a series of questions. In which I asked how a permanent dark sky would effect flora and fauna. Unlike the other two this question is not going to focus on nature. Rather how ...
Fallenspacerock's user avatar
11 votes
7 answers
4k views

Would medieval humans know if an ancient civilization had existed and been wiped out?

Let's say there was a society of lizard people that were highly intelligent, about 50 million years ago. They built permanent structures and developed up to an industrial tech level; they had iron ...
Sam Moon's user avatar
  • 631
5 votes
4 answers
188 views

Do my human migration patterns make sense?

I have created a map of migration patterns since the evolution of homo sapiens on my planet. I am wondering if the movement makes sense and feels realistic, when compared to the climates and terrain ...
www's user avatar
  • 1,515
15 votes
2 answers
2k views

Are my skin and hair colors believable?

I'm trying to determine whether my skin and hair colors are consistent with the climate of my planet, if I've done them correctly, within reason.
www's user avatar
  • 1,515
3 votes
3 answers
132 views

Enhanced human capable of killing any predator on land with bare hands [closed]

Basically, a genetically engineered humanoid that maxes out on all stats. Engineered to, Have a larger density of skeletal muscles. Have a high bone density Highly enhanced senses and reaction times (...
byebye's user avatar
  • 57
3 votes
2 answers
211 views

An avatar from birth

In my 'world', there is the three-dimensional 'real world', and the four-dimensional 'realm of the gods'. The 'real world' is much like a magical version of our own world, while the realm of the gods ...
Monty Wild's user avatar
  • 62.2k
1 vote
3 answers
193 views

What injuries can leave permanent damage while allowing someone to move freely/fight?

I want to have a character who used to be the captain of/personal guard for a queen but has to retire due to an injury but I can't find any injury that would leave permenant damage without leaving ...
sempiterne's user avatar
8 votes
2 answers
265 views

Alternative methods of blood circulation?

So, I've got a parasite, which adapts and grows to keep its (human) host alive. One of the hosts in question has lost their heart, and since the parasite itself, taking the form of vine-like ...
arda_aaa's user avatar
27 votes
11 answers
6k views

How can psychic truffles keep humans from eating them?

Psychic truffles are a variety of truffles which have psychic powers to alter the feelings of animals in order to get them to eat them. This allows them to spread their spores through the animals ...
Ichthys King's user avatar
  • 16.2k
7 votes
8 answers
1k views

How does a regenerator keep their memories?

Assuming that someone or something created a human with the ability to regenerate most organs, including their head and brain. What might be a way for this human to retain their memories even after ...
TheGoldenBoy2188 The Coolest G's user avatar
4 votes
6 answers
2k views

How would one design a superhuman?

I'm working on a story where the MC gets his body modified like Kamen Rider's. As such he becomes stronger than a normal human. But instead of being cyborg enhancements, they are biological ...
TheGoldenBoy2188 The Coolest G's user avatar
3 votes
6 answers
343 views

What would the societal effects be, generally of inhabited worlds having time pass at significantly different rates [closed]

Thousands of years in the futures space was colonized, planets terraformed, history happening upon those planets and so forth. But it's not quite as was predicted, for in the initial foray of ...
MegatheriumMegafauna's user avatar
1 vote
1 answer
126 views

How to feed a vampire blood spontaneously

Suppose a common situation with a vampire occurs. They're short of blood, you want to save them, you need to deliver a moderate amount of blood to them to revive them but you don't want to be ...
Nepene Nep's user avatar
7 votes
4 answers
341 views

What would be the most efficient way for vampires to farm human blood? [closed]

A bit of background to the question. Vampires are rare in human kingdoms and are hunted down, and the technology level across the world is around the 17th century level in terms of our world, since ...
Mikey's user avatar
  • 79
4 votes
1 answer
170 views

How do I calculate strength and other physical factors based on size?

In my game you can be minuscule or gigantic, everything has its pros and cons Outside of obvious things like weight, I've seen that the tallest people tend to be anorexic at absurdly high weights like ...
Xenophile's user avatar
  • 1,332
0 votes
2 answers
211 views

How to keep the imprisonment of mythical creatures a secret from the public, but not from their human family members?

For longer than has been recorded, "monster hunters" of various denominations have hunted humanoid magical creatures which have lived in hiding for even longer. Most of these creatures can ...
Unawarewolf's user avatar
3 votes
4 answers
379 views

How can human sebum be harvested and how much could you get out of a human?

So, some aliens discover that human skin oil has unique properties that are desirable for them. They cannot synthetically synthesize it for whatever reason. So, to be clear, they really want the stuff....
Alex's user avatar
  • 913
2 votes
1 answer
804 views

How to survive a helicopter crash using alien biotechnology?

In the near-future, in a war between aliens and humans, the aliens hatch a plan to seemingly assassinate a human leader (on Earth), but make it look like it was done by other humans. They have it ...
mer-mech's user avatar
10 votes
6 answers
4k views

Feline rider's position: reclining, seated or Prone?

I'm looking at the idea of a large feline as a rideable mount, and I'm running into a question about the rider's posture when riding. Would it be best to have the rider mounted Prone, like on a modern ...
Hugh Ayers's user avatar
18 votes
6 answers
6k views

How long would it take humans to notice a civilization on Venus?

Now I know this is a very weird and impossible question, there is clearly no civilization on Venus. But for the sake of the story I'm cooking up in my head, Venus remains habitable and develops life ...
Dono's user avatar
  • 181
14 votes
10 answers
4k views

Is a society where children are entirely raised by boarding schools sustainable?

In my previous question, I brought up a hypothetical society where children aren't raised at all by their biological parents. Instead, the children are taken care of by hospital staff for the first ...
Rhymehouse's user avatar
  • 3,679
14 votes
11 answers
5k views

Can selective breeding maximize human intelligence without major complications?

I am writing a story about an extreme meritocracy that applies artificial selection and eugenics to humans. This society (called Sophia) views intelligence as the most important trait to have. Almost ...
Rhymehouse's user avatar
  • 3,679
-4 votes
2 answers
150 views

What are some evolutionary bugs in the human genome that could be ironed out by a god that is essentially intelligent evolution? [closed]

In my setting, humanity's gods are real and benevolent, but not omnipotent. They did not create the human species, but rather showed up early in its evolutionary history (equivalent of 300 kya in our ...
MarkKaiya's user avatar
4 votes
8 answers
840 views

Does the addition of dominant fantasy races change racism in humans?

Context: This takes place in an alternate reality earth; several fantasy races have existed since the Ladinian era of the break up of Pangea; meaning by the time humans evolved into homo-sapiens, they ...
Saxionkin's user avatar
  • 443
-5 votes
3 answers
172 views

How would burn-proof people react to enflamed alcohol?

The Ardeites are a group of humans who are wholly immune to being injured by heat and flame. Furthermore, they cannot feel pain. All other features (including instinctive reactions to extreme ...
Ichthys King's user avatar
  • 16.2k
6 votes
1 answer
3k views

How do human girls who are sterilised at age 9 develop as they mature?

On the world of Ruquelis, there are three genders, men, women, and lilim who are a female sex, with wings and clawed feet. Because of the genetics of this situation, lilim are less fertile and can ...
Monty Wild's user avatar
  • 62.2k
2 votes
2 answers
514 views

How many members of a species would be required to prevent inbreeding? [duplicate]

I’m writing for my Safespace series and I’ve hit a snag: I want Homo sapiens to have been abducted from Earth about 10,000 years ago so that when humans expand to the wider galaxy, they find “...
Jobah619's user avatar
  • 117
0 votes
3 answers
154 views

How large of an initial population would it take for these new traits to average out into the standard population of the world?

Let's say, many years ago, hybrids between humans and other mammalians were created and introduced into the world for various purposes. They have the same cognitive abilities as the other humans, and ...
Hal Cyon's user avatar
3 votes
3 answers
648 views

Safety and practicality of a sweating ritual using hot coals

I am imagining rituals for a society that I am developing. I've heard of native american sweat lodges and global sauna culture, and I am considering something similar for my Pandemonic society. While ...
Monty Wild's user avatar
  • 62.2k
4 votes
2 answers
959 views

What is the minimum complexity of summoned "food" that a person could live long-term on?

This question is inspired by an another question which asked how long a mage could survive on pure water, NaCl salt, and sucrose, which they could summon. In taking this a step farther, what is the ...
DDriggs00's user avatar
4 votes
4 answers
2k views

Is there an evolutionary advantage for 12.5% of my mammalian species Homo genus to have blue-green colorblindness?

In my world, there is a species of human called Homo hematophagus (blood eating human). Traditionally, these vampires are a cannibalistic race: In war they often drank the blood from their rivals' ...
mammifereviolet4694's user avatar
28 votes
6 answers
9k views

How long could a person survive on nothing but water, salt, and sugar?

Magic System One of my worlds has a magic system that allows people to produce any element, as well as a small number of molecules. When something is produced using magic, it spawns into existence in ...
M S's user avatar
  • 2,346
4 votes
3 answers
165 views

Would it be possible for someone to have his prosthetics that were made from steampunk materials back in the 1930s?

Edit #1: As I was asked to define the steampunk materials, I should’ve clarify that by this term, I mean materials that consist of metallic elements in general, such as gold, might as well have bronze,...
Xialite's user avatar
  • 41
2 votes
4 answers
467 views

Evolutionary path of action/anime humans [closed]

In story I'm considering writing, a branch of hominid that had been trapped on another alternate earth after being crossing over through rifts are able to return to our earth after these rifts started ...
Seraphim's user avatar
  • 4,971
0 votes
0 answers
49 views

Virus that affects only males? [duplicate]

Furrious Rabies affects only males in this universe, in our real universe it affects both genders. in our real universe I've never heard of any virus that only affects people with Y chromies. So I'm ...
Alve's user avatar
  • 17
10 votes
8 answers
6k views

Could a newborn baby survive on a paleo diet?

Background Info One of my stories features the classic isekai trope of a person being reincarnated into a baby's body while still retaining their full cognitive abilities. The world they are ...
M S's user avatar
  • 2,346
8 votes
2 answers
336 views

How long after birth would it take for a fully-coordinated baby to begin walking?

In the isekai genre of anime, it is a common trope for a person to be reborn into a baby's body while retaining their full cognitive abilities. Assuming they maintain full control of their ...
M S's user avatar
  • 2,346
3 votes
3 answers
809 views

How could a radiowave controlled cyborg-mutant be possible?

The cells of certain gene edited superhumans were changed to make them produce molecular radiowave receiver inside the cell to allow the superhuman to coordinate the movements and even change genetic ...
GrimmReaper18B's user avatar
-4 votes
3 answers
268 views

What effects would banning opposite-sex mating have on sexuality? [closed]

A load of children/teens developed magic mutations, so the government kidnapped them and locked them away for life. Due to the magic the kids can't be sterilized, and for economic and scientific ...
Ichthys King's user avatar
  • 16.2k
-1 votes
5 answers
202 views

Aligned AI Used By Misaligned Humans [closed]

Title. In my story idea, an extremist terror group uses an advanced AI to create a designer disease that ultimately kills ~20% of the world's population. This ultimately leads to humans banning all ...
1001's user avatar
  • 7
1 vote
5 answers
414 views

Murder is Legal, now what? [closed]

Background: I'm toying with a short story that deals with the concepts of: The limits of Policing, The (legitimate) use of force and the right to defend oneself. In the scenario - a society faces ever ...
TheDemonLord's user avatar
  • 28.8k
2 votes
1 answer
111 views

Coherence of Facial Features in an Antarctic Race

I am currently thinking of an Asian-descended race/type of humans who want from the Americas then were expulsed to an agriculturally viable Antarctica by what we know today as the Native Americans, I ...
Bangerblade's user avatar
3 votes
3 answers
1k views

Could my planet be habitable (Or partially habitable) by humans?

Set up I'm currently building a planet that I want to have both alien life forms and humans. It has the following traits: Humans migrated from Earth a long time ago, but only landed on the planet 24 ...
TheDarkeLordeReturns's user avatar
7 votes
15 answers
6k views

How can a person kill a giant ape without using a weapon?

In my world there are humans living in rainforests near the coast. In the depths of the forests live giant apes, similar to the extinct Gigantopithecus. Something like a 3 metre tall 300kg orangutang ...
lollo259's user avatar
  • 433
-2 votes
2 answers
158 views

Slime substance containing collagen, used as glue

In my world, hagfish-like creatures live near the coast, and they produce a slime substance with their bodies, containing collagen. How can that substance be used as glue by aboriginal humans? The ...
lollo259's user avatar
  • 433
3 votes
3 answers
291 views

Indian Ocean continent - which humans get there first?

Trying to develop an ATL in which several 'lost' continents in the Indian Ocean - namely Kerguelen, Broken Ridge and the Mascarene Plateau (just east of Madagascar) - never end up being submerged and ...
HubbaBubba's user avatar
1 vote
2 answers
210 views

How fast can a cylinder spin, with a human on its inner wall, to NOT experience motion sickness?

Context I'm working on an interstellar Ark made of a few (probably 3 to be more specific) layers of cylinders (modified O'Neil's concept), while trying to get the station to be as compact as possible. ...
Yulian's user avatar
  • 462

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