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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12
votes
3answers
979 views

Bone Decomposition

I'm writing a story taking place in the semi-recent aftermath of a period of Human-Dragon warfare. The main character falls into a pit used during this period by dragons to trap/store/dump prey (...
30
votes
15answers
7k views

How old do surviving children need to be to keep human civilization from failing?

This question is inspired by several similar questions on this site. The scenario: at one moment, all people above the age X disappear without a trace. How low this X can be that human civilization ...
5
votes
3answers
232 views

Is it possible for thermophilic viruses to infect humans?

I'm writing a short story that focuses on an area with high thermophile activity, like a hot spring. There are known thermophile viruses, but thermophiles aren't able to transmit these to humans ...
4
votes
3answers
137 views

How can monsters affect traditional fantasy worldbuilding? [on hold]

I just watched this video from Shadiversity about implications of monsters and magic in a fantasy setting. Ha said a lot about how society could be, but it makes me think: how can the society "...
5
votes
3answers
254 views

What would humans look like if their blood were silver?

I have a species in mind that I want to write about for a book I'm planning, and they look exactly like humans (minus the 'unnatural' hair and eye colors they can posses). However, they have silver ...
1
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5answers
168 views

In a future post-scarcity civilization, how would evolution change humans when survival is longer a challenge? [closed]

Let's imagine a post-scarcity society where everyone has unlimited access to food, energy and the aging problem has been solved so people are practically immortal. Now my understanding is that, our ...
3
votes
2answers
177 views

Ultimate fate of someone falling out of a skyscraper in warped gravity

At the climax of my story, most of the people on the planet have the way they interact with gravity magically altered. Until a week passes or they die (whichever comes first), instead of being pulled ...
2
votes
2answers
125 views

Injury to the lower jaw - what would be the consequences?

One of my characters suffers an injury where a spike pierced his lower jaw and severed his tongue. Ignoring the fact that he may not have survived this wound under normal circumstances (eldritch ...
14
votes
3answers
2k views

How big should a terrarium be to be self-sustained?

I read some time ago about terraria (singular: terrarium), which are basically small ecosystems of plants, isolated from the outside world (they get just energy from outside, not water or oxygen). The ...
1
vote
3answers
89 views

Aliens want to do science experiments on humans [closed]

If humans encountered an alien species, what would we do? Probably kill some and put them in plastic bags to take back to earth. We would probably capture some and put them in cages and do all sorts ...
2
votes
4answers
187 views

Is there a scientific explanation for mental manipulation? [closed]

I have a character who can suggest things to people, and what she says, they believe to be true. Is there a way to scientifically explain this, even vaguely? I was wondering if perhaps a form of ...
4
votes
1answer
193 views

How would their children look?

My story takes place in a medieval/fantasy setting. The main part plays out on a locked-off island with a fairly uniform population I'd call Asian to keep this question to the point (look Asian and ...
5
votes
2answers
157 views

The impact of an intelligent and (mostly) hostile flying race on weapons and armor

A race of dragon-like humanoids - for brevity's sake just think of the Dragonborn of D&D, just with wings - were the first species to achieve sapience, and have had lots of time to establish a far-...
13
votes
5answers
2k views

How much TNT is required to vaporize a human body?

Ideally, when I die I want to be blown up; go out with a bang, you know? However, I wouldn't want chunks raining down on everyone. How much TNT would I need to have secured for my funeral to ...
6
votes
5answers
407 views

How long can a human survive inside a dark box?

I am toying with an idea which requires a human to be stuck in a dark box for the rest of their life. They receive regular exercise of the arms and legs, air, food and water and their bodily ...
6
votes
2answers
179 views

What's the disease?

In a near-future sci-fi world, I described a disease with the following characteristics: Affects human female children (not necessarily exclusively). Is a neurodegenerative or similar disorder, ...
16
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5answers
5k views

At what temperature should the earth be cooked to prevent human infection?

Humans are the equivalent of bacteria to planet-eating monsters. And since, as we all know, eating humans is dangerous business, these monsters have decided to cook our great planet Earth before ...
2
votes
5answers
302 views

How long can humans survive on this diet?

My characters get trapped in a universe where Apes, specifically chimpanzees, rule supreme and humans are just wild animals. Like most wild animals, humans are often taken from jungles and rain ...
45
votes
31answers
9k views

How can I make humans NOT WANT to investigate how a supernatural ability works in an intelligent, non-human creature?

We've had a few questions where answers state, to a lesser or greater degree, "humans would investigate this ability to figure out how it works" in another creature with abilities not readily ...
5
votes
3answers
331 views

Mega-human: What are the largest possible dimensions of a human? [duplicate]

How big can a person be while retaining all the functions of all their organs (including bones)? I am wondering if it is possible for large people to exist without compromising some part of their ...
34
votes
20answers
13k views

Should immortal women have periods?

Mod Note: Some people may be squeamish about this subject, please keep all responses clinical rather than vulgar. So, in my world, I try to play the "immortality" trope with twists that make it ...
6
votes
4answers
249 views

How can sex lead to a boost in performance for competitive sports?

Many believe that sex before a competition can have a negative impact on performance in combat, speed and strength sports in males. Athletes from strength and speed sports showed decreased performance ...
16
votes
6answers
4k views

What would be the tallest possible height for humanlike creatures in earthlike conditions?

This is about "giants" inhabiting a fictional earth-like planet somewhere in the Universe (like those in the movie Prometheus, for example). Assuming that all the conditions (temperature, gravity, ...
6
votes
7answers
5k views

How could a mummy come back to life?

What conditions would have to happen to re-animate a mummified person to come back to life with consciousness fully restored? What would the conditions of the mummification be and biological/technical ...
5
votes
2answers
467 views

Can Apes (Including Humans) Be Naturally Patterned Like Felids?

For visual reference: Apes are visual species who rely more on their eyesight than any of the other senses. As a result, they see the world in three shades of color, whereas other mammals see in one ...
53
votes
12answers
7k views

How can an organ that provides biological immortality be unable to regenerate?

After Cain killed his brother Abel, he was cursed by God to wander the earth forever. On his travels, he met a sympathetic woman named Lilith. They discovered that they had a mutual beef with their ...
2
votes
3answers
281 views

The Ancient Guardian

In my world there is an old human guarding something of great significance. All chemical reactions in their body have been slowed down to a microscopic fraction of what is deemed usual*. Once the ...
5
votes
4answers
210 views

Military academy in geostationary orbit

Say a novel is set 100 years from now, when a confederation of nations establishes a unified military force. (Yes, I know, but this is fiction after all) Would a military academy, training astronaut ...
5
votes
4answers
387 views

What would humans look like if they lived 50-100,000 years 6 to 9 km above sea level?

What would humans look like if they lived 50-100,000 years 20,000-30,000 feet / 6 to 9 km above sea level? Or 500,000 years? Would we have bigger lungs / chests? Bigger wider noses? Thicker skin and ...
2
votes
7answers
242 views

Alternatives to War [closed]

In this world, violence has developed to be perhaps most definitive, means of action. Not just humans, but many other species face the harshness of battle, be it to defend their young or gain ...
1
vote
4answers
426 views

Newton's 3rd law & Quantum entanglement

Once a long long time ago a guy called Newton came up with a law he called his 3rd law. "The laws of motion" Everyone knows about "Every action has an equal and opposite reaction" My question here ...
6
votes
5answers
365 views

How Are Humans Special? [closed]

Setting: Far future space based science fiction. Think Star Trek: Enterprise levels of tech with more consistency and more resources if that helps. There are 4 sentient species in my setting: Homo ...
-1
votes
3answers
257 views

How many babies can a human women safely be pregnant with at once? [closed]

Most pregnancies result in 1 baby, sometimes there are twins. Every now and then there are triplets. My guess would be that 4 at once has happened before too. But 5? How about 6? Surely not 7. How ...
1
vote
0answers
24 views

How do tongues affect speech? [duplicate]

If you had your tongue removed, would you still be able to form coherent words? What sounds would you lose the ability to make and why?
27
votes
7answers
3k views

What city and town structures are important in a low fantasy medieval world?

I've been working on a procedural map generator that draws cities and towns on continents and islands and I've gotten to the point where I'd like to add lists of structures to the settlements. I know ...
5
votes
2answers
191 views

What non-primate animals have similar blood to humans?

I am writing about a blood magic cult, and they drink/paint with collected blood to preform rituals and bursts of magic. Most of their supply is garnered through the use of human cattle, but in a ...
19
votes
5answers
4k views

What would be the disadvantages and advantages of having four fingers instead of five?

Animated creatures generally have four fingers (including thumbs). In a real-world context what physical possible consequences would result in having only four (or 8) fingers? Physiologically, what ...
30
votes
11answers
4k views

Half of living beings in the universe die: Does society survive? [closed]

Some purple person, somewhere, collected the Eternity Baubles, clicked their heels and suddenly, half of all living beings in the universe just go poof.1 The effect isn't restricted to sentient ...
2
votes
6answers
756 views

In a tundra, what material would be available to build houses, castles, etc?

I’m writing a story in which the setting is a vast tundra. I had in mind a medieval-like lifestyle, with a few certain changes. But I’m not sure what resources could be used to create a housing in a ...
8
votes
6answers
408 views

How long would it take for a group of humans to travel across a continent by foot?

Think a Lord of the Rings-esque quest to save their kingdom. This quest would also involve detours, but I can just factor those in later. The continent is around the size of Australia, with a lot of ...
4
votes
2answers
165 views

What cultural nuances and customs might a medieval, largely agrarian society with a strict caste system have?

I apologize in advance, because this will be pretty long. I already have a vague idea of some customs, so I need to include both the sociopolitical aspects of this as well as those customs. The ...
5
votes
2answers
317 views

Which sounds could a tongueless person produce?

In my world, officials dealing with sensitive information have their tongues amputated. Naturally writing and a special, government-only sign-language are the main forms of communication, but ...
2
votes
0answers
174 views

If a boy was tattooed on his back, would the tattoo more-or-less sruvive into adulthood intact? [closed]

If a child, say, a white, ten year old boy, got a big tattoo on his upper back (read: shoulder to shoulder), would it change a lot as the child grew into adulthood? Since the early-ish industrial ...
5
votes
2answers
334 views

How long would it take to eliminate the lovecraft mythos from the human consciousness?

Hundreds of years ago during the black plague, an individual named Howard Phillips Lovecraft started what would lead to the doom of humanity. Although a mediocre writer himself, his works of ...
1
vote
1answer
138 views

What accommodations would a giant need?

I'm making a human female who's size was multiplied by 10. I need to know what sort of accommodations she'd need to make up for any disadvantages. This is in the modern day, so 21st-century medicine ...
3
votes
3answers
339 views

Could a person replace half of their body with gold and still live? What technology would be needed in order to be successful?

My character is male and eighteen years of age. He has no health issues. 'Gold' can be replaced with any type of metal - silver, bronze, steel, iron, it doesn't really matter to me. The ideal type ...
3
votes
1answer
89 views

How long to recover from muscle atrophy?

For context, I'm currently working on a short story series centered on a young man living in a dystopian America. This U.S. government keeps its 'undesirables' in medically-induced comas (long story ...
1
vote
2answers
97 views

How can existing methods of plumping, genetic modification, and gmo feeding be altered to accommodate the need for plumper, meatier human food stock?

I am an orc warboss called "The Beast" who has invaded earth and enslaved humanity. You humies are a worthless sprcies that have accomplished nothing of note in your civilizations throughout history. ...
23
votes
17answers
8k views

Would life expectancy increase if we replaced healthy organs with artificial ones?

Can we increase life expectancy by replacing important organs for life such as the heart, kidneys, young blood, etc. (but not the brain)? Most organs can fail and, for the ones which we already have ...
42
votes
11answers
11k views

What happens to a human who receives more information than the brain can process?

Often in films and television shows when a person's brain is 'injected' with more information than it can handle, they suffer from immense pain. What would actually happen if you did supply a human ...