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[Question] [ I'm working on a setting where one of the large continents is similar to North America before the arrival of humans, including a biome containing the three large grazing ungulate species: [aurochs](https://en.wikipedia.org/wiki/Aurochs), bison, horses. I'm trying to figure out exactly what their ranges w...
[Question] [ Jellyfish also called sea jellies or pain-blobs (my favorite name) are unusual animals to say the least. Members of the subphylum Medusozoa, a major part of the phylum Cnidaria, jellyfish have no organs to speak of. No central nervous system, no pulmonary system instead they get their oxygen entirely thr...
[Question] [ If a snake-person, which we'll say is a human with a snake's face and senses, could not smell (the vomeronasal organ doesn't work), what technologies could be made to replace this sense's usual functions? Able-bodied snake-people use their sense of smell to detect obstacles and identity others, as their ...
[Question] [ The state of [Bihar](https://en.wikipedia.org/wiki/Demographics_of_Bihar), in India, has an estimated population density of 1,307 humans per square kilometer even though 89% of the population lives in rural areas. How much more people could inhabit a rural region if every piece of land was used in land-e...
[Question] [ I am working on a speculative evolution project, which takes place in a reducing atmosphere consisting mainly of methane, nitrogen gas, hydrogen gas and carbon dioxide, along with liquid ammonia as the solvent. This is a pretty reducing atmosphere, thus i dont know what will organisms consume and create ...
[Question] [ Basically, in my world, there is a continent bigger than the whole of Eurasia, it is extremely flat (a 50 meter hill would be considered an important landmark), and its whole surface is a flood plain. I don't know if that's even possible, but I would like to know how it *could be made* possible, whether ...
[Question] [ My world is that of a humongous cliff and pretty much nothing else. I was unable to be a [flatlander](https://medium.com/universe-factory/you-are-a-flat-earther-or-how-i-learned-to-stop-worrying-and-model-less-b1daae928cca) so I justified it by making a humongous alien artifact and jabbing it into a pola...
[Question] [ An old NASA news article I came across states that a solar flare observed in 2002 produced around a half-kilo of antimatter: <https://www.nasa.gov/vision/universe/solarsystem/rhessi_antimatter.html> How realistic would it be to harvest the antimatter from a solar flare? Presumably, a mission to obtain th...
[Question] [ What would their techniques be like, what weapons would they use(if at all), to what real martial art those would be comparable to and how would their strategies change depending on the opponent(Say, an elf and an orc) I've already thought of 2 styles that could exist in my world, let's call them "goblin...
[Question] [ Ultimately, this scenario will depend on whether or not this alternate Earth would orbit one G-type star or two, and whether dawn would still be in the east, like back home, or in the west, like in Venus. But for now, let's assume that this alternate Earth orbits one G-type star at a distance of 93 milli...
[Question] [ If there is a magical weapon that can 'teleport away' a spherical volume of air/some fluid, basically creating a spherical volume of vacuum in that region, what kind would the resulting implosion be? (As the surrounding fluid rushes in). Will it be affected by whether the fluid formerly in the volume is ...
[Question] [ I want to ensure that my burial tomb is guarded by a pit of snakes for all the ages, similar to that featured in Indiana Jones (Raiders of the Lost Ark). Initially, I thought I could have an ecosystem of snakes where larger species ate smaller species, but there would reach a point where the food supply ...
[Question] [ Related: [What are the scientific issues with this method of dragons breathing fire?](https://worldbuilding.stackexchange.com/questions/106926/what-are-the-scientific-issues-with-this-method-of-dragons-breathing-fire) [Could dragons theoretically breathe alcohol based fire?](https://worldbuilding.stackex...
[Question] [ So the mass of air around the earth has doubled. How it doubled isn't part of the question, but for the curious let's say a space station floating around earth processed all the nitrogen, oxygen, carbon, etc from some comets and pumped it down to sea-level. The process took a week to complete and the new...
[Question] [ My augmented society of humans have managed to engineer their power-hungry cyborg components to run on a hydrogen fusion reactor. Whilst they have so far managed to fuel it by drinking lots of water, they would rather a solution which would make their lives more convienient. Would they be able to add eit...
[Question] [ Let's assume a world where humanity managed to stabilize the climate again and maybe even reversed the effects of the current climate change. (So that we can ignore the current global warming in this question.) In this world humanity grows further and builds more machines and electronic devices for an ev...
[Question] [ For context, I'm working on a music style generator for an online tool that procedurally generates fantasy cultures. I want each culture to have a distinct musical style. I have very little idea of what attributes a style might have (the generator's "knobs to turn," essentially). My initial thoughts are ...
[Question] [ I have a ship that begins the equation traveling at 50 percent the speed of light, but decelerating constantly to finally land on a certain planet (towards which it is moving the entire time). It begins its journey 7.5 light years away from the planet, with which it is exchanging messages as rapidly as p...
[Question] [ Let's say we have a species of plant, that, for whatever reason, only wants to be pollenated by female pollinators. Maybe this gives some advantage to the plant and/or pollinator. Why would a plant only want to be pollenated by a specific *sex*? How would it tell the difference? Bonus question: How would...
[Question] [ Rust Monsters are one the few original monsters in D&D that didn't fade into obscurity. Probably because of their ability to turn James' favourite metal items into dust. [![enter image description here](https://i.stack.imgur.com/MQGau.jpg)](https://i.stack.imgur.com/MQGau.jpg) Rust monsters are basically...
[Question] [ As landlubbers, we often let ourselves think that if salty seawater is undrinkable for us, it could be even worse for plants. However, certain types of angiosperms have found ways to not only thrive on marine environments but specialize on them. These are the mangroves and four families of alismataleans ...
[Question] [ inspired by this question [Wearing vs Growing Clothes](https://worldbuilding.stackexchange.com/questions/157382/wearing-vs-growing-clothes) and this link [medical news today](https://www.medicalnewstoday.com/articles/174852.php) > > Chemical peels > > > A chemical peel involves applying a chemical sol...
[Question] [ I'm currently designing the armory for my far-future hard-scifi setting. Technology is quite advanced and for the purpose of this question assume that liquid metallic hydrogen (LMH from now on) is actually metastable, and diamonoid material tanks capable of holding it are a thing. The technology was deve...
[Question] [ In this world, there are reptilean demi-humans (like lizardmen and lamia) which are appearance wise half-human half-reptile, they live in coexistence with humans and other types of demi-humans. These reptileans are poikilothermics (cold-blooded), so in theory they would be vulnerable to cold temperatures...
[Question] [ I've read several sites and even questions on here where the sky would appear almost white or light blue if it orbited an orange dwarf star. However, that is if the planet has the same atmosphere as ours. But what if it didn't? From what I read, different amounts of gases in the atmosphere might make the...
[Question] [ 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, leading to progressively reduced mobility. * Can occur as the result of a chance mutation in the genes of a...
[Question] [ I've just come here for some help drawing a map for this **fictional planet** where two roughly similar planets have been smushed into kind of pear shape like this: [![two planets merging into pear-shaped megaplanet](https://i.stack.imgur.com/WfvLJ.png)](https://i.stack.imgur.com/WfvLJ.png) So this plane...
[Question] [ I was watching a program about the New Horizons space probe and was fascinated by the new revelations about cryolava/cryomagma, and the [amorphous planes covering Pluto](https://en.wikipedia.org/wiki/Pluto#Geology)(98% nitrogen ice). I'm wondering how this might affect the idea of a human colony on an ic...
[Question] [ A while back Demigan had a running series of posts about various aspects biological enhancement for the purpose of designing super-soldiers with an element of (pseudo) science behind them. You can find his previous questions here: [Creating a scientifically semi-valid super-soldier, part 1: Skeleton](ht...
[Question] [ This series will focus on a Worldkillers: a group of interstellar outlaws who specialize in destroying worlds. Each question has the objective to explore a different way to kill a planet - a word that means making it uninhabitable for its "ruling race" (ex: burning all the oxygen from Earth to make life...
[Question] [ I've seen many questions about tides and tidal variations on a wide variety of interesting single star, multi star, single planet, binary planet, single moon, multiple moon, and even ring system combinations and variations. I've also seen many questions about co-orbits including trojan, Lagrangian, hors...
[Question] [ I am a post-human adapted for permanent life in vacuum and micro-gravity. How might my physiology and biochemistry overcome the following challenges? *Please note I have a strong cultural aversion to augmenting my body in order to help me survive: i.e. enclosing myself in artificially-constructed protect...
[Question] [ This is not a question on whether or not floating, balloon-like organisms are biomechanically viable - I already know the answer to that, which is yes. This instead deals with the plausibility of such a thing evolving, a problem I've thought about for quite some times. So, in my alien world, there are gi...
[Question] [ In the Command & Conquer series of games, there is a mythical 'plant' life called Tiberium. It ends up being of alien origin through the course of the games, but its role in the game is as a harvest-able resource. Tiberium has an interesting property that I'd like to explore; it leaches minerals from the...
[Question] [ ### Background As a parody of the [super soldier questions](https://worldbuilding.stackexchange.com/q/111275/28789) and as an efficient way of organizing these questions I will now start this series of questions about Pseudo-Arthropod Primates. Questions from later questions relating to this thread: [Exo...
[Question] [ If an organism weighing roughly 20kg existed (same weight as a dog), similar also to the structural composition a dog. How much muscle mass would be required within those legs for it to jump 20m? Dogs can jump up to 1.8m, their rear legs being around 10cm in diameter. Assuming the legs are half muscle, ...
[Question] [ Let's assume the planet has only one half the mass of the moon and is covered by shallow ocean. To eliminate water pressure at extreme depths, assume the ocean is also quite shallow, with a maximum depth of 100 meters. How would critters living in this ocean be affected? How would life evolve? For the p...
[Question] [ Famines have dropped the population to 1 billion and global civilization has collapsed. In an effort to save future civilization some time, you want to provide some information to kick start civilization's regrowth. We assume that the tech level has dropped back to Europe in 1801. If we [knew it in 1801,...
[Question] [ *This question is related to the world from my [prior](https://worldbuilding.stackexchange.com/questions/101214/what-qualities-could-a-hominid-evolve-to-make-it-a-better-farmer) [questions](https://worldbuilding.stackexchange.com/questions/101314/how-fast-could-a-hominid-evolve-to-run), in which several ...
[Question] [ [![](https://i.stack.imgur.com/J9Joi.jpg)](https://i.stack.imgur.com/J9Joi.jpg) Malgrovian gliders inhabit the middle layers of the atmosphere of Malgrov, a gas dwarf. They spend most of their life gliding, preying on giant balloon-like floating lifeforms. When they get older, they slow down and begin fa...
[Question] [ Snares are anchored cable nooses set to catch wild animals. There are two types, active and passive. An active snare has the wire under tension and a trigger to cause it to snap closed, while a passive snare has a one way cinch so that as the prey struggles the noose tightens and strangles the prey. Base...
[Question] [ I am making a world to be the setting of my future fantasy works, which is to say I really have no story planned but I want to have a world for it when I do and I want said world to be likely give me story ideas. I want to make things look different but be functionally similar to earth's own circumstanc...
[Question] [ I am going into considerable detail designing a magic language for a game system. The world is a classical high fantasy type world, with most of the tropes that might be expected from old school D&D. The magic system is somewhat unique in that I am designing it around effects, functions, and operators. I...
[Question] [ My goal is to try to make a population size algorithm. What I learned is that a simple equation can do that (I have to look it up to give you it) year by year. One of the variables in that equation is Fertility Rate and that's where the problem is. There are 3 things that determine Fertility rate: 1. C...
[Question] [ This idea is based on a problem that I see in real life, that a group of citizens who are... Oopsie... who I perceive as frustrated/utopian/uninformed want to try a really brilliant idea, and as it is a democracy if there is finally majority supporting it, then they are right. In the most clear cut scena...
[Question] [ So I have a planet that has had it's atmosphere clogged with artificial clouds for some five thousand years. Basically a prolonged ash winter; everything died. (Or, almost everything. Would I be right in thinking there might still be life in the oceans? It's been implied that there were areas with underw...
[Question] [ I am trying to build a truly alien form of life, and easily found several replacements for water, such as methane or ammonia, with there own unique advantages and disadvantages (Wikipedia has a wonderful article on this). But I am having difficulty finding a good atmosphere that a creature could breathe ...
[Question] [ [Den Den Mushi](http://onepiece.wikia.com/wiki/Den_Den_Mushi) are snails used for communication in the One Piece universe. I'm pretty sure trying to make it exactly as in One Piece would be absurd, but here's what a Den Den Mushi should be (imho) in order to be able to be considered so: * Ability to conn...
[Question] [ So, I've made... a lot of subterranean worlds. It's a favorite of mine. And, every single time, the major form of vegetation and light was blue, glowing mushrooms, and glowing crystals. While I think light sources are no struggle, I've had issues avoiding the ever-present trope of glowing blue mushrooms,...
[Question] [ So the kind of slimes I'm thinking of are those with a nucleus or crystal core of sorts that acts as the slime's brains. Their body would be made of something like nerve cells that stick to each other in an elaborate mesh. This allows the core to control their body. They would be able to eat most stuff b...
[Question] [ So, let’s say that at some point in the hopefully distant future, the second law catches up to me, some random part of my body just craps out and stops working right, and I die. Luckily, through the power of foresight, I have a post-mortem plan! Despite the chaotic, hellish merry-go-round that is life, t...
[Question] [ **Closed**. This question needs to be more [focused](/help/closed-questions). It is not currently accepting answers. --- **Want to improve this question?** Update the question so it focuses on one problem only by [editing this post](/posts/38610/edit). Closed 7 years ago. [Improve this question](/pos...
[Question] [ Could there be life on or around [Planet Nine](https://en.wikipedia.org/wiki/Planet_Nine) (a real-world planet in our Solar System, which has recently been discovered through indirect methods)? Of course, it probably receives nearly no solar energy, but there are other energy sources. For example, [Jupit...
[Question] [ Imagine we have a multi-cellular 'mammal-like' species which is K-select and usually has only one young at a time. Now imagine that this single young regularly has multiple fathers. Specifically the mother may mate with multiple males and the resulting embryo having half of the mother's DNA but the other...
[Question] [ In a story idea I have, there is a race of humanoid creatures that evolved on earth from organisms that originated from another part of the universe and possibly another dimension. Their brains are unnaturally advanced and they seek to learn all that can be through experiments, sometimes at the expense o...
[Question] [ In the world I am building there are rat-like primates called iolasae, or mane-beast, which are the new world equivalent of great apes. In this family of primates there are sentient humanoid creatures called lokk, They have digitigrade legs, long arms, short legs and prehensile tails. I would like for th...
[Question] [ We've created a series of mechanisms to terraform the temperature and atmosphere to be Earthlike. My geologists are screaming at me, because a lot of features are being rapidly eroded by the new hydrological process. Anywho. **I still don't have soil.** Our agronomists are great with hydroponics, but to ...
[Question] [ **This question asks for hard science.** All answers to this question should be backed up by equations, empirical evidence, scientific papers, other citations, etc. Answers that do not satisfy this requirement might be removed. See [the tag description](/tags/hard-science/info) for more information. In [...
[Question] [ I’m currently working on fantasy setting with a strong focus on sea based adventures. To try and make the setting clearly different from Earth I thought I make large landmasses virtually unheard of, with numerous small island being common instead. Are there any rational ways I could explain why this is s...
[Question] [ Often in science fiction, writers attribute the enormous energy capability of an advanced civilization to Dyson spheres. I've never heard of a detailed schematic of how the energy from the star is utilized. My question is "What is the most energy absorbant form of a Dyson sphere?" Would lining the inside...
[Question] [ Imagine surviving in a modern day densely populated city where there is a recent zombie outbreak... The cause of infection is identified to be a type of fungi, this fungi contains a unique unknown chemical that can survive in strong acidic environment such as our stomach. The chemical will be easily abso...
[Question] [ Imagine a present or near-future setting where there is a breed of humans (lets call them elves) that can live up to around 400-500 years old. After puberty, their life is simply extended. These long-lived people would impact the economy, from retirement plans to life insurance to healthcare to inheritan...
[Question] [ **Closed**. This question is [opinion-based](/help/closed-questions). It is not currently accepting answers. --- **Want to improve this question?** Update the question so it can be answered with facts and citations by [editing this post](/posts/11514/edit). Closed 6 years ago. [Improve this question]...
[Question] [ I am currently designing a world for a series of short stories and have started looking at what kind of weather patterns would be present in certain regions. For simplicity's sake, we can assume the planet is very earth-like. I designed a mountain range that runs west to east. To the north of the range a...
[Question] [ My world is almost like a fantasy steam/solar-punk set up and my main character has a metal left limb. I guess I shouldn't try to worry too much, but it always bothers me that I'm not sure if I have a truly logical explanation for how his limb functions. I do have an idea for how it works and it's probab...
[Question] [ I'm working on a future cyberpunk setting in which I would like to explore posthumanism as a main theme. Among some of the ideas I have I want to use the very well explored "decking" trope. The idea is that at some point in time humanity managed to create a crude brain-computer interface, that allowed no...
[Question] [ Can a habitable planet having complex life exist in a binary star system with a Red Giant? I am not talking about close binaries, but distant binaries (100 AU or more). Planets can orbit some smaller stars (F, G, K, M class) in an S-type orbit, in order to have a steady source of light and heat. Does the...
[Question] [ My friends and I have a huge hyperrealistic worldbuilding project (yes, I do suffer from Worldbuilder's Disease) that involves speculative biology. I am currently using [diagrams.net](https://diagrams.net) to make the cladograms, but food webs are a bigger challenge. Do any of you know software that coul...
[Question] [ I'm designing an Earth-like planet and I'm concerned about whether or not it would have ice caps. Originally, I assumed it would be too warm, with a climate similar to Earth's during the Paleocene-Eocene Thermal Maximum. However, upon considering the rest of its parameters, I realized this might not be t...
[Question] [ I'm confused about the relationship between partial pressure and concentration of a gas, in relation to the biology of respiration. If I have a planet with high atmospheric pressure - maybe like 10 atm - but the O2 concentration is lower, maybe around 10%, what effect would this have on oxygen-breathing ...
[Question] [ **Closed**. This question is [opinion-based](/help/closed-questions). It is not currently accepting answers. --- **Want to improve this question?** Update the question so it can be answered with facts and citations by [editing this post](/posts/236175/edit). Closed 1 year ago. The community reviewed ...
[Question] [ In fantasy stories, wolves or even large dogs are often depicted as mounts, and in the recent *Monster Hunter Rise* game, canid-like monsters called Palamutes are used as both companions and mounts. There's just one problem: **it does not work.** The muscles and skeleton of a dog, no matter how large, ar...
[Question] [ The animal is small, around the size of a rat or pigeon. Its activity level is on par with a rat, but it can fly and is rather more intelligent, and thus uses more energy. Their excretory system produces uric acide as in birds. It is omnivorous, and the relevant population has a diet consisting of around...
[Question] [ First time posting, so thanks in advance to everyone! I am working on creating a life form that is made of complex or “dusty” plasma. My inspiration is a 2003 [study](https://www.researchgate.net/publication/222296315_Minimal-cell_system_created_in_laboratory_by_self-organization) showing plasma forming ...
[Question] [ **This question asks for hard science.** All answers to this question should be backed up by equations, empirical evidence, scientific papers, other citations, etc. Answers that do not satisfy this requirement might be removed. See [the tag description](/tags/hard-science/info) for more information. <htt...
[Question] [ My world has a variety of creatures which evolved from arthropod-like ancestors and became more similar to vertebrates in many aspects despite still having exoskeletons. One of these creatures, as I envisioned them, is a 6-legged predator no bigger than 30 cm long and strongly inspired by mole crickets, ...
[Question] [ Once up on a time, in a world not our own, there was a piece of land inhabited by seven races of animal-people (like cat-people/dog-people, bird-people, and mermaids/mermans and such). Being animal-people, humans discriminate against them and tried to conquer their land from time to time. So for these se...
[Question] [ It's fairly common to see discussion of different chirality for amino acids and sugars whenever people ask for advice on plausible alien designs or biochemistry (e.g.: metabolizing left-handed sugars and with proteins made of right-handed amino acids, compared to our R-sugars and L-amino acids). However,...
[Question] [ This is for a base that has been built up into a big, complex place. For the radiation safety of long-term residents, the walls are very thick. There are windows, that are quite large. They have quite strong glass, reinforced and double glazed with about half a meter between the panes, so the outer layer...
[Question] [ I am writing a story and the world it takes place on orbits a binary star system. Two stars, one a yellow dwarf like our sun, and the other a small, dimmer star. It takes the planet about twenty years to complete one orbit of the set of stars. The kicker is that when the planet is nearer the dim star, a ...
[Question] [ I'd like to use a story with a sapient swarm intelligence because I find the idea interesting, but I'm having trouble developing some of the finer details of how this intelligence would interact with humans and aliens similar to humans. **Current traits of this species** A swarm of this species is compri...
[Question] [ Is there any biological or environmental factor stopping animals or plants to be farmed for their metal absorbing qualities? Consider we are also counting creatures created through selective breeding, forced hybridization and grafting. 10'000 kilograms of pig liver contains 1.79 kilograms of pure iron, t...
[Question] [ In RL there are areas more likely to have storms which affect ship design (and in premodern era routes). **Are there any rules of thumb to predict which waters would have frequent storms on a fantasy map?** I mean for example how to designate a spot to put some equivalent of Cape of Good Hope at which pe...
[Question] [ **This question asks for hard science.** All answers to this question should be backed up by equations, empirical evidence, scientific papers, other citations, etc. Answers that do not satisfy this requirement might be removed. See [the tag description](/tags/hard-science/info) for more information. It s...
[Question] [ There are fictions where we can travel to the past, but it often raises causality paradoxes. There are others where we can see into the future, and it has also some implication on free will. But what if we could see in the past. Which is what we do every night, looking at the stars. But what if it was a ...
[Question] [ Imagine you've suddenly awakened to immense powers. But this isn't the Marvel universe, so you're the only human with these abilities. For the purpose of the question let's say these abilities are heightened strength, perception, and healing touch. You can lift cars and heal mortal wounds. Again, this is...
[Question] [ Is it possible that a body of significant size - at least several hundred kilometers in diameter - is **entirely liquid**, having **no solid core**? It can be either made of one homologous liquid or of multiple layers. How would the tides appear if it were passed by another body or orbited a larger one -...
[Question] [ chameleon dragon are closely related to Parson's chameleon and some basic characteristics of them include: * being ambush predators * use active camouflage (similar to cuttlefish and some octopuses) * are 10% smaller than a komodo dragon * having chameleon like eyes * have sharp claws * having a komodo d...
[Question] [ Could a creature use lightning (or any other source of electricity) as a sole energy source, and not need to eat? Would any additional organs be needed to store or use the electricity? I have a race of animals, kind of like oarfish, although much bigger, capable of flight. I'm not sure how, but probably ...
[Question] [ Could a gold shell around a planet exist, suspended by a magnetic field (gold is diamagnetic), given the following constraints? * A gold layer enveloping a planet, **arbitrarily thin**. * **Unspecified height**, likely to be where atmosphere is less dense with fewer jumps of pressure. * a strong magnetic...
[Question] [ My main character is one with the gift to control electricity. Despite this obvious flaw in reasoning I try to keep it as scientifically accurate as possible so he cannot for example zap someone from miles away but must touch him or be really close (within a meter) and expend a lot of mana. My idea is as...
[Question] [ Assuming all the primary hurdles in building a space elevator are overcome, would it be structurally feasible to attach intermediate stops along the length of the tether (between the planet and GSO, and/or between GSO and the counter weight) without causing instabilities? Thank you! [Answer] As part o...
[Question] [ 'The culture of good place-making, like the culture of farming, or agriculture, is a body of knowledge and acquired skills. It is not bred in the bone, and if it is not transmitted from one generation to the next, it is lost.' (James H Kunstler, *The Geography of Nowhere*) --- Urban sprawl, which is nota...
[Question] [ Is there a feasible setup where the Sun has expanded enough to make the Earth uninhabitable, but some of the other rocky bodies in our solar system (past Earth) become more reasonable colonisation prospects? For the purposes of this hypothetical, let's hand-wave the why and focus on different solar radii...
[Question] [ So, dragons are hexapodal creatures, slightly larger than most draft horses (around 190-200 cm at the withers). Compared to the Quetzalcoatlus, dragons have twice the muscles mass in the pectoral region, but the length of the fibers stays consistent. Basically, the chest is just as deep, but the length i...
[Question] [ Incidentally, this isn't for a current project, just curious about an old one. When I was in High School, I started then sort of abandoned a LOTR-esque novel idea. In this world, the elves' main gimmick was that they had crystals permanently embedded in their sternums and visible from the outside. I thin...
[Question] [ Assuming humans remained hunter-gatherers, would it be **anatomically possible for us to evolve digitigrade legs**? Or, is our anatomy too specialized and are we stuck the way we are? I am not asking about any advantages or disadvantages of being digitigrade, just if it is possible. [Answer] We are n...
[Question] [ This question's information is based on the answer in my previous question about [what the aquatic creature need in order to live or survive in my acid water?](https://worldbuilding.stackexchange.com/questions/154036/what-the-aquatic-creature-need-in-order-to-live-or-survive-in-my-acid-water/154041?nored...
[Question] [ Scenario: * When one thinks of elemental transmuters from [mythology](https://en.wikipedia.org/wiki/Midas) or [comic books](https://powerlisting.fandom.com/wiki/Elemental_Transmutation?fbclid=IwAR0BsGaHTcQQylvVB5uBb4r1DSKNX7MwXXDh4PUR-NctyqoNyyJ7ng0xHUQ), one thinks of single touch by the transmuter to a...
[Question] [ **Information** I am writing a fantasy sci-fi, that is almost the same as our reality, the only difference being humans in this world are capable of using drugs (serums in their world) to improve their bodies' capabilities since ancient times (pre-agricultural). Like making the body more efficient in or...