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An Earth analog had been modified by an advanced species to have saltwater seas in an interconnected grid across the planet's surface. The planet has no true oceans and only the large grid network ...
Trying to develop a fictional scenario with a 'believable' theory as to how a Nuclear War and resulting Nuclear Winter could turn into a millennial scale ice age. By 'believable', I mean that it p...
During a space cold war, a ship from the ideological enemy is not allowed remain in orbit while some of their investigators visit a crash site. The reason why is narrative "“ to separate the char...
With the evolving global warming and thawing of permafrost, an ancient deadly virus begins to spread from Siberia across Eurasia, affecting domestic animals first and mutating quickly onto the rest...
The humans in this setting are telepaths who are able to communicate with each other through their minds. This form of telepathy transfers simple phrases, symbols, or emotions to the designated per...
I'm trying to find someone (s) with enough geology knowledge to help me figure out some of the specifics of the world I'm building. (Earth-like in age, distance from star, size, tilt) I'm doing my ...
I have a potential sub-plot in a story that takes place in the not too distant future where most of the world's fossil fuels are exhausted or contaminated (war reasons more than environmental) and ...
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 perf...
This is my first post on Stack Exchange, so I'm not sure if this follows the right format. Let me know what I can change to make this more helpful on the site. Anyways, let's get to the backstory o...
During much of the Late Pleistocene stage, the world's most widespread biome was the so-called "mammoth steppe" - a cold, dry grassland which spanned eastward all the way from Spain to Canada. It w...
This question is about the Cube Prison as seen in the 2012 film The Cabin in the Woods. My question is not about the film or its lore, but how the cube prison can be constructed. Specifically, ...
On a world made up of many small islands, each island cannot support a very large population. Although sometimes individuals from one island make it across the ocean to another, this is usually a ...
You know stuff like Yggdrasil tree but just a normal tree that is the biggest and tallest in the world. If the roots grow to surpass the continental and oceanic plate either it only cover some par...
In my world, both lighter- and heavier-than-air craft exist and are rather useful devices. However, problems tend to occur when confronted with storms. Steering through a storm is not a problem in...
For this sci-fi story/world hat I'm building, I'm introducing my androids which, while having intelligence closer to a human, are still just machines in nature. Theoretically one can destroy the bo...
I need to add a bit of descriptive detail on a species from a brief description. Essentially add a bit of finer detail to someone else's broad-strokes worldbuilding. An amphibious species' body lay...
I am seeking information and ideas from all you clever people. What I am trying to imagine is a chemical reaction that would change Earths atmosphere rapidly into something else which would be mo...
I have a very large developed (relatively rational) fantasy game world which mostly has medieval technology with some Renaissance technology, and some low-powered magic. In it, when I was much you...
Assume there's a spaceship in earth orbit that its crew of 24 want to get to Mars, the crew are all humans and possess all of modern day knowledge and equipment, is it possible for said ship to mak...
I am trying to create an organism that can survive in space for short periods, but I realized that I can't have its eyes be similar to those of most animals and humans because they would boil in sp...
Writing a werewolf story, and decided for a bit of flair, so I wanted two moons in orbit. Did a bit of digging, and I found out that to do that, I'd need to either have them in separate orbit (no t...
This is based on the idea of a society where vampires are known and subsist off of 'willingly' given human blood. An average adult human needs approximately 2000 calories a day to maintain their we...
How could a mammal produce milk which resembles blood? The blood milk should keep as many properties of milk as possible, curding for example, while resembling blood as much as possible. The mamm...
I had an idea for a planet which has very hot days, roughly 40 degrees C on average, and very cold nights, average -5 degrees. These figures are subject to change. Of course, there are places which...
If humans were to live in an earth-like planet with an atmosphere with a significantly higher concentration of $\mathsf {CO}_2$ (Higher than what can be tolerated by normal human for a long period ...
