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Info I'm designing a breed of cow that produces acid instead of milk. Part of the reason this is useful for my story is that the cows produce as much acid as a dairy cow would milk (through selec...
I was reading a World Anvil article which has a world that experiences world wide seasonal changes. Specifically quoting the article, During the month of Frimense, the Frostkin thrive, as the...
I am envisioning a habitable world with an atmosphere comparable to earth's in which one day is extremely long (>100 earth years). Human settlers have successfully colonized a small portion of t...
Simple question I think, I have some Idea of the answer but would like the ol' second opinion. Vertebrates use olfactory glands in their nostrils (or thereabouts) to sense smell, as well as the roo...
In the world I'm creating, a branch of humans from prehistoric earth were castaway to another dimension by reality bending beings. The dimension exists as a large cavern filled with giant Earth art...
I have a race of mountain giants (who stand roughly 10-15 feet tall) and have long worship the storms and more importantly the lightning that is cast from them. Long have they sought after a way to...
Just as a disclaimer, I have very little knowledge on the science on all of this and have a very poor grasp on what is plausible and what isn't, but I suppose that's why I am here. I have a concept...
An advanced civilization collects enough Magnesium and Oxygen, from all over the Galaxy, to equal the mass of a star, and then reacts the Magnesium and Oxygen to produce Magnesium Oxide. The civil...
I have a temperate rainforest environment within the arctic circle of my planet. What is the feasibility of fungi storing nutrients from dead matter during the daylight hours, then erupting to crea...
The most recent common ancestor of the HIV-1 M group, responsible for the HIV pandemic, dates back to the Belgian Congo city of Léopoldville (modern Kinshasa), circa 1910. And the genetic history ...
We all remember the iconic alien genetic experiment from "Lilo and Stitch", correct? Well, I was wondering what kind of biological traits Jumba might have used to give him his various abilities, li...
I imagined a creature that would have an expanded lifespan thanks to a regular production of stem cells that would replace the damaged cells. During its very long lifetime, when it eats food (the ...
So, I am working on a species called the Vosians, who hail from the planet Vos. They are a species of eusocial insectoids, much like Earth ants. Biology The Vosians are about 3 feet tall, or 0.9 ...
In my world my protagonist is stuck in a city that is being lain siege to. The city needs to get a message to a fleet. Messages are delivered by sharp-skinned hawks (actual bird), but the problem...
The only such media I've seen is Fallout, which is obviously highly fantastical. I mean, they mutant animals and irradiated zombies running around! But realistically, is there anyway that life cou...
There is a background planet in this story that is important due to character back story however we never visit it in this book. It is describe as a mostly jungle planet, with regular heavy rains ...
Premise I want to explore the possibility of a planet that is extremely misshapen. If we were to extrapolate what we have observed from our solar system and the extra-solar planets discovered so f...
Having looked for a few days I am pretty sure I do not have an answer on this question: My intended planet will have the same density but double the mass of earth. I know this will increase the su...
Is it possible for massive clumps of algae to evolve and survive in deep space? Let's say there is an expanding red star in a system with asteroids and planets once containing organic molecules, ...
In honour of the full moon an odd moon question for you all. The idea is to create a situation in which the inhabitants of a world believe utterly that the moon only exists at night. I'd also like...
On earth, the skeletons of Osteicthyes and all their descendants are made of a mixture of collagen and calcium. We can do this because Earth contains food sources for all these animals containing v...
This is my first question so any feedback is appreciated! I basically have an Earth analog that has an axial tilt of approximately 12 degrees instead of Earth's 23, and I wanted to find out how I c...
I've been curious about writing about a very durable exoskeleton humanoid species, but I have wondered about how the extra weight of a thick exoskeleton would affect their height. I do not see th...
A lot of fantasy stories involve someone using magic or technology to solve a problem, only to find out the spell or thing they used to solve their problem was a little too potent. Let's say a wi...
