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While only counting seasons and years, but not weeks or months, how far can human civilization progress? Can they reach the middle ages? Or is the invention of the calendar such a cornerstone of ...
In my story there is a humanoid alien race, that looks almost exactly like humans, but as you might have guessed, are boneless. Just to be clear, I'm not interested in reasons why they would evolv...
I have a humanoid species that developed a third eye in their forehead and was wondering what could be the reason they evolved this way or what advantages it would bring?
Here's the problem I'm having. I need a solution for the following situation. I have a sci-fi starship drive that needs 140TJ of energy every 6 hours. I have a Fusion Reactor that can produce 200T...
I have a species that is humanoid but has two sets of arms and I was wondering what reasons there could be for why they evolved that way?
I'm trying to envision a creature that is highly dexterous, and adept at using tools, but every time I try to think of a possible grasping appendage, the only two I come up with are either tentacle...
Premise I envisage a world of would-be navigators with roughly Bronze Age technology, sailing on ships to explore their planet. In contrast to our history of navigation where we "cracked the code"...
So, I have thought about the evolution of my aliens and how they could evolve things like lactation but still retain their reptilian characteristics. Here is my best thought about it so far: Evol...
Exactly what the title says : Could mass human cloning be feasible? I have a two criteria : Clones must come out as adult Cloning process must take a maximum of 3 months Optional : Clones must...
I'm building a fantasy world with a humanoid species (basically, "elves") which refuses to use dead wood. Context They don't use dead wood because they don't want to. Consider that trees are sac...
Suppose humanity manages to terraform Mars: we give it a magnetic field, an atmosphere, then Mars gains oceans, lakes and rivers and we plant forests there. So now Mars looks like another Earth a...
In the future, we created a Dyson Swarm. Each node (which I'd like to call a Gigalga) is an asteroid-sized, biotechnological, space-adapted, sentient plant that speaks the same evolved language as...
Or would that eye be the most well-defended from external debris and whatnot in the entire world? Cats seem to get by just fine without eyelids and a membrane but no eyelashes...likewise humans wit...
I have a handful of immortals that have spent the last 6000 years stuck on planet Earth. They really, want to get out of here. They missed their chance back in Egypt before The Fall of the Pharaohs...
So, I was reading about the Colossus Penguin and was wondering how adding them to my world might affect the arctic ecosystem in my world? Obviously, they would need to eat a lot of fish, squid, and...
On my previously asked question about the biochemistry of life on my ammonia. it leads me to my next question to ask. First things first, the life on this planet is boron based. They breathe me...
I just won the national lottery! I am a billionaire, and can do whatever I want with my money! Tv interviewer asks me what would I do with this money. Then, come the Idea. I remember this guy whe...
I'm designing a habitable earth-like planet that has oceans, forests and life. Now this planet is a bit larger in diameter than earth but its mass and therefore its gravity is a bit lower. This low...
I'm developing a world where certain people have affinity to modify/control certain aspects of the material plane. In the early stages I'd included the good old "element control" premise, but as I ...
I am designing a solar system, with the first planet located very close to the parent star. This planet has become tidally locked to the star. Is it possible for to have a molten lava ocean on the ...
I've prefigured a specific setting as being middling in technological progress when compared with its neighbors. This setting does not have access to hydrocarbons, has severe cultural and politica...
This is part of the same world I am making that this question I once asked is set in: How to evolve a reptile into a wyvern, 100 million years in the future? I might call these questions related ...
Assuming humanity was suddenly highly motivated to do it, how long would it take a probe launched from Earth to get into a position to record and broadcast images of the position in the opposite or...
READ EDITS I am writing a passage about the main character of my book travelling up a space elevator to the spaceport that rests in geostationary orbit above Mars. This means that the elevator wou...
Basically I want my character to have only gotten their powers through the luck of two parents with the right genes mixing. Technically, given enough time and enough generations of breeding, couldn...
