Questions tagged [survival]

For questions about the viability of life in certain conditions. For example, it could be used in questions asking about the possibility of life on a planet or other astronomical body.

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9
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4answers
1k views

Could cats sustain themselves in caves?

An odd question, yes, but a question I am asking anyway. I have a group of feral cats that lives in a cave system. They've lived down here for generations, and survival of the fittest weeded out the ...
2
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4answers
177 views

Supplies necessary for subterranean survivors to adapt to the apocalyptic surface?

In my world, there was a brutal nuclear war, killing off a large, large amount of humanity. While the (former) working-class and blue-collar survivors spent a century fighting and scavenging in an ...
5
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7answers
837 views

Can a single survivalist in a post-apocalypse, post-EMP world have electrical appliances?

EMP has wiped out every electrical circuit on the planet (Carrington event level). At the same time some unspecified non-persistent major disaster has wiped out everyone on Earth except her. There's ...
2
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1answer
164 views

The 42-Hour Day: Instant Extinction?

The information presented in the previous episode is out of date. In an alternate universe, there is still an Earth in geochemistry only. This one, Alternate Earth 600, is a "backwards Earth"...
3
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3answers
129 views

Portable replicator; the answer to some big problems?

So I was thinking about this TNG episode where Wesley and Picard are stuck on a desert planet with some other guy. They have no water, and no food. Then I got this idea: portable food and water ...
26
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3answers
5k views

An island world where potatoes are the only land vegetation - can it support human life?

NOTE I have re-edited the title to make it clearer. I have also added some detail in the paragraphs below that does not invalidate any of the existing answers. Let us suppose that a group of humans ...
3
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1answer
116 views

(Survival-Type Situation) How can I Craft a Powerful Sedative From Easy To Find/Gather Materials, Assuming No Meds in Clinics or Hospitals?

I have a character that finds himself in a decent-sized town that has already been ransacked, what can I use to craft sedatives that would be effective on both Zombies, (assuming their anatomy ...
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2answers
110 views

Is it possible for primitive tribe of humans to live most of their lives in system of caves?

I have an idea for a society of humans who have a level of technology similar to that of the North Sentinelese Islanders: borderline stone age with maybe some ability to use metal. The population can ...
3
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1answer
172 views

Could a colony on Neptune work?

My book is set far, far into the future, in a widely settled solar system. An expedition is sent to Neptune, and the expeditioners find out that there are massive cave systems reaching deep into ...
5
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8answers
495 views

What could lead to everyone on Earth becoming gay, and the human race facing extinction because they believe they can't reproduce?

I'm interested in creating a (humorous, satirical) science-fiction short story wherein the protagonist repeatedly claims if everyone was gay, the human race would die out. Then (somehow) one day... ...
2
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2answers
159 views

Optimal way to survive nuclear winter? [closed]

In my world, a global thermonuclear Third World War happens, causing a nuclear winter that will last around 5 years, coupled with radioactive fallout permeating the world. Here’s the thing: I want to ...
18
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3answers
4k views

How would snake creatures which use uroboros to roll to safety avoid brain damage?

Imagine a particular species of snake living in a mountainous region that when provoked or threatened will curve itself into a loop and every muscle in its body will tighten as it rolls down the slope ...
11
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5answers
3k views

Earth loses its sun as is sent hurtling through space in darkness. How do humans survive for the next 1,000 years? [duplicate]

Let's say, whether for magical or scientific reasons, Earth and the moon are separated from their star, the Sun, and are sent hurtling through space. Ignoring the reasons for such an event, how could ...
5
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7answers
3k views

Self cannibalism - Why no fat?

I'm creating a species of beings that are able to eat part of themselves when they are starving. In a sense, Earth animals do this already by putting on fat. When there is a shortage of food, they can ...
8
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7answers
947 views

What are the easiest/most suitable fruits and vegetables to grow in an apocalyptic scenario?

My story is set in a sort of apocalyptic world, the main characters live in an old house and they’re too afraid to go out as there’re creatures hunting them. They obviously still need to eat so my ...
2
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4answers
110 views

How do hardy flowering plants that thrive in low 'g' and thin atmosphere disseminate their seeds?

Imagine a type of flowering plant capable of growing on terrestrial planet with surface gravity a tenth of Earth and it has a thin atmosphere with composition similar to Earth's but as thick as ...
2
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4answers
159 views

How could primitive tribes survive in the post-apocalyptic Grand Canyon?

It’s the post apocalypse. Thermonuclear warfare between the United States, Russia, and China. There are a group of Americans living in Northern Arizona. With all the cities destroyed and whatnot, ...
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2answers
68 views

How does trophy hunting helps in conservation of rare “Poop Bomber” dragon?

In the modern days, World Wildlife Fund has promised a donation of a lump sum of $100 million to save a certain endangered dragon species found only in the Sahara desert. The adult dragon weights 1.5 ...
5
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6answers
339 views

Blowing fragments of the moon off, sending them to Earth as meteors - what is the impact? [closed]

Pun not (originally) intended. In my story, a fairly advanced, newly space-faring civilisation manages to land on the moon and establish a colony, where they do some industrial work e.g. mining. ...
1
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1answer
154 views

Can you survive in a pub cellar for a week? [closed]

This is for research for a kaiju horror story. I'm toying with it being set in an English pub cellar (like that of a Wetherspoons) as the surface is crawling with newly emerged kaiju, the plot ...
3
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2answers
315 views

Humanity is doomed because of succubi

The first two answers in the anatomically correct succubi question suggest a parasitic approach to the concept of succubi which snatches off human organs, either the tongue or the vagina and feed off ...
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2answers
198 views

How much space would a city need within a ringwall to survive for an indefinite period of time?

I'm writing a D&D campaign and the premise is that a big bad thing happened and sent waves of energy pulsing over the landscape. A High Mage type character throws up an enormous wall, surmounted ...
3
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1answer
65 views

Finding water underground, Earth is 500f on the surface

If you had a tunneling machine and wanted to tunnel towards fresh water underground, how would you find the water? I'm imagining some sort of sonar, but would you need triangulation of some kind? ...
4
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1answer
113 views

All humans but one vanish in each country. How would they be able to find each other? [closed]

Imagine as of 2019 (just to avoid the coronavirus thing), every human vanishes (literally) except for one per country, chosen randomly. Assuming around ~200 countries, that means there are 200 human ...
3
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7answers
687 views

How to survive outside a bunker during nuclear winter?

Nuclear War has just destroyed much. You’re a human living far out in a rural community in the US, or Russia or wherever. You’ve managed to avoid the direct destruction caused by the bombs going off. ...
5
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3answers
289 views

How to survive a supervolcano eruption in short term and a post-apocalyptic world in long term?

A supervolcano has erupted (with a Volcanic Explosivity Index (VEI) of 8 or higher1) at Yellowstone Park. I am not in the kill zone and not in at least 300 km (~185 miles) radius so I have time to ...
6
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8answers
2k views

Would making a last ditch effort to skip save the spaceship?

Imagine a spaceship entering Earth's atmosphere, it has lost control of its engines and is relying on its reverse thrusters to decelerate before crashing into the Pacific ocean. So in an attempt to ...
1
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2answers
103 views

What would happen to all life on Earth if the planet started suddenly receiving reduced sunlight? [duplicate]

Let's say that the Sun suddenly almost completely shuts down and the Earth is now able to only receive an amount of sunlight equal to that received by the Moon during a full-moon night. (Assuming ...
4
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2answers
481 views

Would civilization collapse if everyone becomes invisible to one another?

Set in the modern day, a meteorite lands in the pacific ocean and green flash of light sweep the entire globe. All of a sudden we are blinded to the presence of another human being, it seems that the ...
0
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2answers
150 views

What kind of magic or technology would be necessary to survive in a stone spaceship?

Imagine a typical fantasy setting: magic is fairly common, and technology is the usual combination of medieval Europe with a dash of steampunk. The world goes through a cataclysm and the people are ...
5
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4answers
2k views

Colonies on Jupiter

I'm making a series where a multi-purpose frigate travels to Jupiter in order to help in the Mars versus Jupiter war. However, I don't know what the colonies would look like. Maybe floating with ...
3
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3answers
298 views

What can I expect these humanoids to look like?

I am designing a race of human-based creatures for my story. This race has developed as regular humans until roughly 500BC until an event forced them to start living underground for several centuries. ...
0
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2answers
82 views

How would people survive anti-gravity curse? [closed]

Set in the modern day, a meteor lands in the pacific ocean and a green flash of light soon sweep across the globe. All of a sudden every human being alive or dying are experiencing a gravitational ...
25
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25answers
6k views

If a portal scroll is cheap and easily available why they are not used when one's life is in peril?

Set in the medieval period, adventurers like to frequent the guild hall to check out the bounty lists, which are updated on a daily basis. Many of the requests on the list requires adventurers to pit ...
16
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8answers
6k views

Feasible and rational way to give food and water to a prisoner?

There is a lord who is being kept prisoner in a castle tower by a griffin who has taken over his home, but requires the lord be kept alive for political value. Naturally this requires the griffin ...
3
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3answers
145 views

How could human-like aliens survive on Pluto?

I apologize if I continuously ask different questions about different concepts for stories. It’s just that I can never make up my mind on what to write, and sometimes, my ideas change. But anyway, I’...
0
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4answers
860 views

Alone, locked inside an empty and dark room. From where to start eating oneself? [closed]

If I was locked in a empty room which is completely dark, from which body part should I start eating my body to maximize the survival time? Also can we survive longer if we eat our flesh or keep ...
3
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1answer
168 views

Feasibility of a griffin living in a castle?

In my story there is a griffin who has a long time grudge with the lord of a castle. When the lord ends up in a very weak position, the griffin takes the opportunity to kill him and seizes his castle ...
13
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4answers
3k views

Emotion to replace fear

I want to make an alien species evolve without fear, or atleast not fear as we know it. Intelligent life, as I understand it, requires fear to encourage an organism to keep itself alive. What ...
3
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2answers
139 views

World with low amount of oxygen like Everest dead zone: can life be complex?

Imagine an Earth-like world with oceans, some complex vegetative and animal life, but with an extreme low amount of oxygen in the atmosphere, let's say one third of what we are accustomed to, like the ...
-2
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1answer
132 views

How would Europeans fend themselfs in a Zombie apocalypse? [closed]

Most of zombie apocalypse movies, series, comics, etc. are set in the United States, but how an outbreak look like in European countries? Would it be different at all?
4
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3answers
169 views

How much “value” would someone able to make certain commodities have in a post-apocalyptic world?

I'm still unsure how much technology will be available in this world, I don't know if there will be "pockets of working grids", if people can only get energy from generators(which also adds the ...
10
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3answers
2k views

Could Cats Add Lots of Plants to Their Diet?

Because nature is never straightforward, there are different levels of carnivores. On the lowest rung of the ladder are the hypocarnivores, in which meat can't take any more than 30% of their caloric ...
4
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1answer
119 views

Astronaut Survival on a Toxic (Ammonia) Watery Planet

My story begins with a group of colonists on a ship when something happens (spoilers) and the colonists are forced to abandon ship and land on a nearby uncharted moon of a gas giant. The good news: ...
4
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3answers
765 views

Is there any way for humanity to cope with perpetual acid rains?

All of a sudden, overnight, abruptly, weather forecast guys go on strikes... everywhere is raining nitric acid non stop so that on average the amount reported is 100mm and the pH level is 3 ...
4
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4answers
282 views

Would humanity go extinct if suddenly a parallel magnetic field of 1T fills the entire universe?

Imagine one day the universe becomes a bar magnet except all the line of force are running in parallel and the magnetic flux density is 1 tesla throughout, could this be a doomsday scenario for us? ...
4
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6answers
1k views

How long would a medium sized city last if transplanted to another world?

I'm creating a story where a couple of cities across the globe have been transplanted into a different world. About a five mile sphere around a centered point in a city has been taken. They are neatly ...
2
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2answers
237 views

Can this underground culture survive for 200 years

I have a underground culture that has been cut off from the surface for near on 200 years, and I am trying to understand what issues will I need to cover and am most likely to run into for there ...
3
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2answers
159 views

What plants would lizardfolk cultivate in this hostile world

Lizardfolk are sentient and sapient humanoid reptilian creatures with heights between 190cm and 180 cm. Lizardfolk are partially mesothermic, with most of the waste heat, their muscles generate, being ...
2
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2answers
311 views

How to get attention when being shrunk to size of a flea? [closed]

One evening a group of teenagers got arrested for taunting a queen's guard and was brought to a temporary holding cell, all of a sudden a radioactive mosquito seemingly escaped from a nearby lab bites ...

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