Questions tagged [sex]
For questions relating to sexual reproduction and the physical acts of mating that sexual beings engage in.
105
questions
2
votes
4answers
227 views
Does attractiveness naturally change every few years in medieval settings? [closed]
120 years ago being skinny was seen as unhealthy ugly and diseased, a sickening gross look to be skinny, women were actively shamed for that.
50 years ago dark skin was gross. then people started ...
1
vote
2answers
131 views
Single-sex species that has specific culture roles for different body types? [closed]
Basically what the title question says. I want there to at least be three socially constructed genders, each with their own expectations of how they should act and dress. I want the species to have a ...
1
vote
0answers
106 views
An intelligent species needs same-sex intercourse. Society Effects? [closed]
For one of my Damarian species, the Avari (Felinoid obligate carnivores), they need same-sex intercourse of both kinds to increase chances of conceiving.
For females, they can increase their ovulation ...
8
votes
5answers
585 views
How would it feel for a woman to be placed into a male body? [physiology only] [closed]
There are plenty of sex differences in human physiology: Body composition, skeleton, hormones, sexual organs, sensory systems, etc. My question is:
How would it feel for a woman to be placed into a ...
5
votes
7answers
6k views
Stigma of virginity and chastity loophole
In my world there is a theocratic empire where all the citizens of the empire, when born, have stigma of virginity and chastity engraved on their bodies by the goddess of love. There are only two ...
2
votes
3answers
277 views
Alien vixen on the hunt for sperm donor rewards
Sorry for the slightly X-rated question, I have an alien vixen, like a bounty hunter but her game is those rarest genomes for the sperm donation clinic, she can lure her males but the issue is about ...
10
votes
3answers
559 views
What would be the most comfortable position for mermaids and humans to engage in sexual relationships?
Alice the mermaid and Bob the human have been dating each other for quite some time, and being young adults filled with love and copious amounts of hormones the two of them want to take their ...
1
vote
1answer
130 views
Can faces be considered sexual? [closed]
Let's say there's a culture of people which never show their faces, except from when eating, but they only uncover their mouths and only with family.
Otherwise they never show their faces to anyone.
...
12
votes
7answers
4k views
How would interspecies lovers with alien body plans safely engage in physical intimacy?
Now I had previously asked how a loving interspecies couple would work around very Alien Body Plans that is now sadly closed (How will interspecies lovers overcome different body plans?)
That question ...
0
votes
1answer
131 views
Human-Alien Hybrid Babies (18+) [closed]
Okay, I have stories with interspecies sex, complete with viable offspring. What kind of gene editing would be needed for that to even work, and how would the resulting child's genes be expressed? And ...
10
votes
7answers
618 views
How different can an alien be from us if it is possible for us to have sex and procreate?
Aliens have arrived to Earth from the depths of space, and thankfully they are peaceful and only want to learn about us and interact with us.
Despite some initial trepidation, first contact goes well ...
3
votes
2answers
199 views
Is there a real-life intersex condition that leads to functioning ovaries but with some male secondary sex characteristics?
One of the main characters in my story has an intersex mother (dead by the time of the plot). She was assigned male at birth due to her prominent penis that led a physician to conclude that she may ...
44
votes
16answers
9k views
I have a superpower that no-one can say “no” to me. How can I get informed consent?
I have a character who has a super power that gives them what can be best described as perfect pheromones, and when in their presence, anyone will volunteer for anything they want. (Eg in existing ...
2
votes
3answers
142 views
Wings going from locomotive purposes in juveniles to sexual purposes in adults, plausible?
So I thought about how my dragon-like species would get it's wings between the arms and legs and I figured that this would be the evolutionary path for such a creature:
Hexapodal ancestor -> ...
4
votes
1answer
80 views
Linking genetic sex to a set of climate adaptations
My world is fairly chaotic, with the same 2/3 of it being completely broken up and remade in chunks such that the whole 2/3 is always completely different than it was ten years ago.
So once species ...
7
votes
5answers
798 views
What would cause vampires to become aroused when feeding?
I know that vampire bites could be very...erotic in most fictions, mostly due to proximity and intimate nature; more so with a human partner and it's heavily empathised but I'm wanting to understand ...
2
votes
5answers
270 views
What would happen to transgender culture/identity if sex were trivially chanageable? [closed]
This is a specific followup to the question 'How would society be different in a world where sex/gender is trivially changable?': in a future (Human, earth) society where (like in the Culture novels), ...
12
votes
5answers
2k views
How would dragons mate, according to science?
No, this is not not about courtship displays or dominance figths. (even thought I know that that is also part of mating) This is more of "What their genitalia would look like" and how they would "do ...
2
votes
5answers
574 views
Would Simultaneously Hermaphroditic Humans Still be “Men” and “Women”?
When looking exclusively at the muscular and skeletal systems of male and female humans, on average, we'd find what scientists call "sexual dimorphism". Even their voices are sexually dimorphic--...
11
votes
7answers
3k views
Could a unicorn species have the horn as its male genital?
I want to make my unicorns use the horn as their male genital. Is it biologically possible to put the genital on their head? I know there are many strange genital locations for animals, for example, ...
3
votes
4answers
1k views
is it biologically possible for a creature that can be compatible to reproduce with any creature?
just as the title, my question is can it possible for a creature that can reproduce with any/all creature despite it was different species/family? (not the alien xenomorph or parasite one/way but real ...
4
votes
3answers
381 views
Is there a reason that females passing on more than 1/2 of their genetics to the child would be unlikely to evolve?
On the earth today most animals use a two sex mating system where male and female provide the same amount of genetics to the resulting offspring, despite the fact that in many cases the female ...
20
votes
23answers
7k views
How can I identify potential mates (sex organs) without gender?
On this planet there is a species similar to humans with two sexes having differing reproductive organs. The concept of gender is non-existent on this planet. I'm not writing this for any political ...
7
votes
4answers
362 views
How can sex lead to a boost in performance for competitive sports for men?
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 ...
6
votes
6answers
624 views
Is plausible to have subspecies with & without separate sexes?
I'm creating humanoid specie with two subspecies
Hairy races - roughly based on humans, chiss, mirialans, with standard males & females sexes
Tentacle races- roughly based on asari, twilek, ...
7
votes
7answers
281 views
Would intelligence affect the evolution of colorful display patters for attracting mates?
On another planet there is a group of organisms that have colorful display patterns allowing them to attract mates. Eventually a branch of this type of organism evolves the intelligence of early ...
8
votes
6answers
5k views
Would humanity go extinct if pleasure ceases?
In the near future, the human population is overcrowded and food and water becomes scarce. Every preventative measure failed to address this issue and the world falls into a turmoil and panic is ...
7
votes
14answers
2k views
Can a genderless race have sex?
In my world, I created a race that doens't reproduce sexually. They have offspring through the combination of their blood, just blood, from a wound, and a special natural place that must be found in ...
-2
votes
5answers
778 views
Slaves and used in the sexual profession? [closed]
I ask this question. In a world that was destroyed due to a great catastrophe. A new world order has emerged and the people are governed by a council of 12. This new world order allows slavery to ...
9
votes
4answers
721 views
Why would an entire biosphere evolve to reproduce with three parents instead of two?
So I have an alien biosphere in which trisexual reproduction predominates. As far as we can tell, trisexual reproduction does not offer an advantage when it comes to shuffling genes. The biological ...
-4
votes
6answers
417 views
Why might humans and aliens be able to produce viable offspring? [closed]
Jeff is a human. He has two arms, two legs, a head, a heart, and all the normal stuff of a human. This includes a penis.
Zhsdfgl is not a human. Zhsdfgl is roughly her species' equivalent of female. ...
0
votes
11answers
634 views
Representing lust in asexual beings?
How could demons of lust affect/tempt beings that do not reproduce sexually, and have no sexual desire? Like, they can't even be affected by lust magic, their brains simply aren't wired for it. How ...
8
votes
4answers
540 views
Sexual pleasure in anemophile reproducing humanoids
This species of humanoids has a peculiar way of reproducing.
Instead of the usual physical intercourse between a male and a female, followed by the sperm cell merging with the egg cell to generate ...
asked May 29 '18 at 16:16
5
votes
6answers
505 views
Reproductive Neck Darts
Yay my second alien sex question, I hope I am not arrested.
Context
Okay now to nitty gritty, So I got an intelligent species of Ostrich/flamingo looking creatures(this refers only to the shape, very ...
6
votes
5answers
1k views
Bonobo-LIke Social Structure
Bonobos tend to solve disagreements through sex instead of violence, what might have caused this to evolve, or something similar to evolve in a sapient race of humanoids?
1
vote
7answers
390 views
What would be the ideal deterrent to stop people selling sex? [closed]
Historians have often speculated that prostitution has existed since the beginning of civilisation. It is thousands of years old.
In a future where prostitution is a thing of the past, and preferably ...
1
vote
5answers
1k views
Synthesis of Organic Life by a Machine
Given eggs and sperm, and the means to preserve them for centuries, could an artificially intelligent machine possibly produce its own "children", so to speak?
Assume it has everything it and its ...
2
votes
3answers
443 views
How is natality affected if sex isn't pleasurable anymore?
Worldwide, every single person stopped enjoying sex. They still get attracted sexually but sex is basically frustrating and feels like it's always uncompleted.
Nobody has orgasm but still ejaculate ...
2
votes
3answers
1k views
What Would Be Needed To Produce Human Hermaphrodites?
What kind of mutations would be necessary to cause humans to start producing fertile hermaphrodites?
-1
votes
1answer
194 views
Should gender be revealed early for a healthy child? [closed]
My Keplerians are externally gender neutral for 5 years. Now genetic testing will reveal gender but they don't do routine genetic testing.
Obviously if a young Keplerian goes to the doctor due to ...
0
votes
1answer
344 views
Shorter refractory period? [closed]
What could cause a humanoid race, or even a group of humans, to develop a shorter sexual refractory period (that is, the males can have sex again more quickly after an orgasm)?
-2
votes
2answers
202 views
Increasing the Rate of Multiple Births in Humanoids? [duplicate]
What factors would cause a humanoid race (like, say, goblins, just to throw an example out there) to have a significantly higher rate of multiple births than the human norm? Presumably a large ...
1
vote
3answers
157 views
Primitive Fertility Treatments?
We're all aware of modern-day fertility treatments, like artificial insemination and hormones, but are there less advanced ways to trigger ovulation and/or otherwise boost fertility? What methods ...
3
votes
3answers
1k views
Mating ritual where female chases male?
Mating rituals are various behaviours, serving as a precursor to copulation in almost all animal species. In general these serve to aid the females of the species to pick out a mate. They can be ...
8
votes
10answers
3k views
Is a single sex species feasible?
I’ve seen a lot of questions on here about the possibility of more than two sexes but I’ve found nothing on the possibility of only a single sex. The closest thing I’ve found is isogamy, is there any ...
2
votes
6answers
2k views
Country where men are better looking then women [closed]
For storytelling purposes I need an plausible explanation why men are considered more beautiful than women in a country in the world I am building.
So far in every country I have visited in my life ...
1
vote
3answers
415 views
What would cause an alien species on an alien world to behave in a (specifically) repugnant way?
One of my projects has been developed around the idea that humans in the future visit an earthlike planet in Andromeda. The planet is populated with humanoid creatures that are “well endowed.” Ex: the ...
14
votes
12answers
4k views
Post apocalypse contraception
In a post-industrial collapse scenario, what would be the most effective methods for contraception? Situation is a small scale civilisation with limited access to industrial materials and tooling but ...
-5
votes
4answers
559 views
What could cause sex roles to be reversed? [closed]
I'd like to get an idea for what could be the reasons that women were the ones who actively look most on the beginning for sex (meaning that just by physical appearance they'd get aroused enough to ...
3
votes
4answers
525 views
How could an organism chemically need sex?
Although (as far as I've seen, I haven't done in-depth research) the original/older version(s) of the succubus legend just have them as demons who seduce you, more modern interpretations seem to make ...
