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Diseases in nature tend to naturally become less virulent over time, in part, because the disease vector changes and in part because the host population develops immunity to it. How possible is it...
The Objective Lots of questions at this site consider how humans could be enhanced with genetic engineering. But, if you are an alien, you may have the opposite priorities. These aliens are civil...
Imagine a planet with extremely low density, and thus low gravity and an equivalently thin atmosphere, but a very active and strong magnetosphere that prevents solar radiation from destroying compl...
What would happen if there was a Shkadov Thruster in place around a single star in a binary star system? I don't care about the moving stars thing. I just want to know about what would happen in th...
I had a dream last night where I was coordinating a space program for an Earth-like planet, with a Moon much like our own. The Moon in the dream had an annoying quirk... The space program kept se...
So I am making these giant(human sized) amoeba-like aliens and to have something this big it requires a skeleton to maintain shape and to support its body but also needs to be flexible so it can do...
So this planet enters our solar system from the 'south' pole at 30 kilometers per second. A bit faster than the first Interstellar asteroid ever discovered. Of course, it plunges into the Sun's ph...
Force field technology has come a long way. The latest energy-efficient engines can guarantee stable energy output in any situation, making force fields extremely reliable and very cost effective c...
Other questions from this thread: Question 1 Question 3 Oh my that title is a mouthful, but as a parody of the super solider questions and as an efficient way of organizing these questions I wil...
Without going into too much detail, let's say someone has a superpower which gives them "control" over actual, physical light: Photons, electromagnetic radiation, what have you. This power requires...
For example, a quote from one of the Witcher 3: Blood and Wine's side quests says The eggs themselves are a sight to behold, luminescent. The man (hologram) is referring to giant centipede eg...
In Japan, there is a legend about scuzzy little creatures known as "akaname". These things are said to have a humanoid shape, red skin, stringy black hair, and long slimey tongues. They are said to...
Here's the full question: What's the most plausible way to bio-engineer an underground ecosystem, without using photosynthesis, so a mine system would not need an active air exchange system? (It w...
Background: I am designing an RPG world where the main characteristic is that a large fog has covered the entire fantasy planet. At the time the fog was released it was a mutating killer fog that ...
So, in a post-apocalyptic setting, when humans have gone extinct and their cities fell into ruin, I was wondering what animals might evolve to conquer the ruins of our cities. Notice: I know that ...
Part of the Anatomically Correct Series. I think we're all familiar with the traditional vampire: pale skinned, blood suckers that drink blood through their fangs and have an aversion to sunlight ...
Assuming our current knowledge of exoplanets which star would you send a colony ship. Assume you a maximum range of 40 light-years. Earth is no longer habitable so the ship is simply playing the n...
Here is a link to the water canopy theory. My question is: how this water could end up there, high above the surface? I was thinking about two possibilities: a comet spreading ice/water as it pa...
I have been wracking my brain with this one. I'm writing a story where a number of alien races who are unable to leave their homeworld for one reason or another send probes into space out of sheer ...
To build another world, I would want a perfected atmosphere that would sustain the air cycle and yet optimize a decreased cellular degeneration. i.e.: increase quality and length of life. Would ...
An alien entity fell in love with Earth a long time ago. When he came back to her, she looked different. He would like to return Earth to her Hadean eon when she was much hotter. This entity has ...
So I'm creating an original world with a number of creatures, and original peoples. One of the peoples has a two-speak language. One element, the base of the language, is based off of local mytholo...
Okay, now this question is a bit random. But, I'm planning for a possible book project about a 2019 expedition to an undiscovered island. The island is near the northern tip of the Ninetyeast Ridg...
Full version of the question: How would a plant adapted to living at -23 degrees Celsius keep the water vapor it transpirates from flash freezing to the surface of/within its leaves and clogging it...
This question has received a major rewrite and restructuring but is still the same original question. Please see this meta-post, where I asked for advice on how to refocus this question. While I ...
