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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2 answers
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Could a binary star system support life?

If we take an earth-sized planet with similar atmosphere, and put it into a P-type binary orbit, could it sustain human life? For sake of clarity, assume both stars are G-type stars and the planet is ...
4 votes
1 answer
284 views

Super hot tropical forest

Consider an Earth like world except much hotter with extremely hot and wet tropical rain forests. Assuming 100% humidity, how hot might the alternate Earth tropics get and still support tree like ...
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1 vote
2 answers
116 views

Motivations for technologically advanced humans to abandon the solar system or a planet still habitable? [closed]

Let's say we are in the moderately distant future. For example, humans are technologically advanced enough so that interstellar travel is possible and Venus and Mars are terraformed. General ...
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-2 votes
4 answers
509 views

How would men survive without women?

What could make a male-only human reproduction system exist, which makes women obsolete, expendable, and also gives men full control over their paternity?
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1 vote
3 answers
132 views

How long to turn a valley into a village? [closed]

So a group of villagers go up a very high mountain range fleeing from raiders. The urgency of their flight forces them to face the harsh mountains and, in their desperation, they end up finding a ...
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6 votes
2 answers
695 views

30 g kick to an entire planet, but only for extremely short duration [re-scoped]

I plan to subject an entire earth-like planet to about 300m/s^s acceleration, what is the shortest duration I can get away with for non-scientists to realize something has happened, without everyone’s ...
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53 votes
12 answers
7k views

How to politely coexist with a vampire?

Inspired by a comical misreading of the title to this question, how would you politely coexist with a vampire? Vampires want blood. You have blood. You'd prefer to keep your blood in your veins and ...
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-1 votes
3 answers
163 views

How would a medieval kingdom survive a zombie outbreak [closed]

In my world, there is a zombie infestation that destroys and takes out many kingdoms, citystates, and villages. These zombies are fast and like the ones from zombieland. It is possible to get cured, ...
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2 votes
1 answer
72 views

How can plants spread to an extraterrestrial body without human assistance? [duplicate]

The plants can sense worsening ecological conditions in 2022. They need to germinate beyond planet earth. Assuming they can survive in space, germinate in extraterrestrial soil, and the like, how can ...
12 votes
10 answers
5k views

How do we survive in post-apocalyptical permanent nighttime (with no electricity, communication, running water, and aliens of course)? [closed]

A race of aliens have invaded Earth and they love the dark. These aliens have caused intense smoke shading to occur so that it is permanently pitch black. It has been several weeks since it went dark, ...
1 vote
3 answers
362 views

How realistic would it be to have a human based colony surviving a “great flood” style event and living only on ships?

Technology: end of ww2 era (before de-armerment) Population: ~2.5 billion Location: current earth Essentially, massive amounts of water have appeared, covering the entire earth. Humanity has roughly 1 ...
2 votes
4 answers
202 views

Most hospitable biomes for living off the land

I'm trying to figure out which are the most hospitable biomes for living off the land. Say we have a small spacecraft fallen through a time warp that takes it sideways in time, where it finds itself ...
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16 votes
7 answers
4k views

How would a person with food allergies cope in the Middle Ages?

In a story I'm working on, a character suddenly finds himself transported back to the late Middle Ages. This is completely unexpected, so he doesn't have time to prepare. It occurred to me that a lot ...
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9 votes
6 answers
3k views

Can loneliest loneliness kill in a post apocalypse?

My story occurs in the near future after a nuclear holocaust, the human population is reduced to mere thousands spread out all over the world. A mysterious disease seems to infect the survivors of the ...
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31 votes
9 answers
7k views

What can we eat in the late Cretaceous?

Suppose there is a team of explorers sent back in time 66 million years ago somewhere before the K-T event took place, the mission is to spend no more than 3 months to retrieve a blood sample from a ...
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4 votes
2 answers
112 views

How Can Crashdrake Live In a Pine Forest?

Crashdrakes. These dragons are, for just about any intent or purpose, a cassowary, or in other words they are big, flightless, highly aggressive and yet herbivorous death birds. Seeing that dragons in ...
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3 votes
4 answers
322 views

Feasible ways for humanity to survive a nuclear apocalypse? [closed]

As stated in answers to my previous question: How many survivors would grow on earth years after a worldwide nuclear holocaust? ...even two countries like India & Pakistan bombing each other a few ...
46 votes
18 answers
8k views

Why do dragons need to roar before chasing down their prey?

The dragons are the size of a double-decker bus with a long wingspan of over 100 meters, despite their muscular build they lack both endurance and stamina so more often than not they would simply ...
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4 votes
2 answers
184 views

Lightspeed travel survivability [closed]

In my sci fi novel, a technologically advanced version of the human race is capable of harnessing and creating large amounts of antimatter for interstellar travel at 99% the speed of light , ...
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3 votes
1 answer
121 views

A dragon flash-heats a forest, how long does it take the forest to recover?

A closed-off dell ringed entirely by mountains is smothered in smoke at 900°F from a dragon. After suffocating the forest, a magical barrier seals them in. It is invisible but doesn't allow airflow ...
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3 votes
1 answer
104 views

What would the survival rate be for a group of people forced into an underground, bunker style community?

Suppose 1000 people were forced underground into a relatively well set up bunker style community. Assuming they have no official leadership or organization to begin with, they must rapidly learn their ...
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-1 votes
2 answers
147 views

How to fake my death in 1994 [closed]

The year is 1994. I am being monitored by a shadow organization with agents in every corner of the government, public service, and positions of power. Fortunately for me they have a lot of people to ...
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0 votes
2 answers
442 views

How badly has the snakebot doomed the world?

First, on January 20th, 2017, the capitol cities of the Nuclear Club were destroyed by (very clean) 80 megaton nuclear blasts: Washington DC, Moscow, London, Paris, Beijing, New Delhi, Islamabad, ...
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6 votes
4 answers
2k views

How might Elves in this setting survive?

I'm working on a short story. In in this story there are elves. I'm hoping to realistically write how they would fight both one another and other races. NOTE: The elves didn't naturally evolve, they ...
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3 votes
3 answers
84 views

Could an ecosphere realistically survive in space long enough to plant life on a new celestial body

I’m not taking about the ecospheres by the brand “ecosphere”, but the type you see on the channel life in jars. These type of ecospheres are essentially a sealed clear container with water, dirt, ...
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6 votes
1 answer
133 views

human version of hermit crabs

I have some tribes of nomads that live in pretty harsh places, going around by carts or building shelter is usually not an option. They live and sleep in some kind of heavy primitive armor, I was ...
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10 votes
3 answers
332 views

Living around a quark star

Let's assume the theoretical quark star exists - and humans have found it. There's a planet orbiting it, and for the purposes of my story, I want it to be habitable. My question is: Can you have a ...
-1 votes
2 answers
119 views

How to survive on earth like planet with no supplies at the start [closed]

Before I start, I would like to explain the purpose of this series. A few days ago, I had a big project where I had to a design a prompt for everyone to write about. So for the next few weeks, I will ...
6 votes
9 answers
880 views

Barren Rock: Habitable?

I was roleplaying with my siblings, and one of them had selected the Shaman Class I devised. A Shaman's power over the elements comes from their connection to said elements, so their place of origin ...
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12 votes
9 answers
2k views

Would a somewhat benign "vampiric" virus be doomed to infect everyone?

In one of the books of the The Witcher series Geralt has been told by a vampire (Regis, if I recall) that it was not true that vampirism could be spread by bite. He elaborated that the whole idea was ...
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3 votes
3 answers
355 views

Mermaids: Dealing With Predators

Mermaids have it rough. Being a marine species, they lack the means and quite possibly the inclination (as mermaids, like people, get used to what they have) to create fire and work metal, and ...
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4 votes
3 answers
202 views

A city under supernatural siege: sounding a proper alarm

This is in effect a continuation the "using dead bodies materials for food/construction/etc" series. The world is suffering from the creatures of fantasy and nightmares which can appear with ...
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1 vote
2 answers
90 views

Would You Fit All the Domesticated Animals on This One Continent?

There is an alternate Earth somewhere in the multiverse, one in which there are three continents, all separated by an interconnected network of seaways that make up only 45% of the planet's surface (...
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4 votes
3 answers
153 views

Using dead bodies for material 5: civilian armors

The world is suffering from the creatures of fantasy and nightmares which can appear with just a few minutes of warning anywhere, regardless of it being the middle of the street or on top of your bed ...
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25 votes
9 answers
8k views

Arming all untrained people with firearms, which weapon would do?

This is an extention of this question: Using dead bodies for material 4: ammunition The world is suffering from the creatures of fantasy and nightmares which can appear with just a few minutes of ...
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4 votes
1 answer
449 views

Using dead bodies for material 4: ammunition

The world is suffering from the creatures of fantasy and nightmares which can appear with just a few minutes of warning anywhere, regardless of it being the middle of the street or on top of your bed ...
  • 40.9k
5 votes
3 answers
274 views

Using dead bodies for material 3: fuel

The world is suffering from the creatures of fantasy and nightmares which can appear with just a few minutes of warning anywhere, regardless of it being the middle of the street or on top of your bed ...
  • 40.9k
4 votes
2 answers
182 views

Using bodies for materials 2: construction materials

The world is suffering from the creatures of fantasy and nightmares which can appear with just a few minutes of warning anywhere. It can be a single one, or millions that swarm the area. The world's ...
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0 votes
1 answer
253 views

Using bodies for materials 1: food

My question is different than this question: How can I feed an entire population on corpses?. My question asks for creature bodies to be used as food sources and material rather than human bodies, ...
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2 votes
2 answers
177 views

Could humans survive in the solar system if the earth was destroyed? [closed]

In this setting humans have settled all around the solar system but the bulk of the population is still in earth however an asteroid wiped out all life. Now can humans sustain themselves with whatever ...
2 votes
1 answer
124 views

Forest fires for heat

I am writing a work of fiction in which, circa 2030, the global average temperature of the Earth falls by 150C (~270F) over the course of five months. This upends the way societies work as people ...
0 votes
1 answer
125 views

Surviving in a city under constant threat 1: minimum requirements for survival and maintenance

The fluff: A new energy source is invented using the energy of the void and it takes the world by storm. By the time they realise it creates connections to other dimensions it is too late, and ...
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3 votes
1 answer
202 views

How long could a human survive in a near-pure CO2 atmosphere?

Imagine Mars's atmosphere has been mostly terraformed. By that, I mean that the surface pressure and temperature have been brought up to at least survivable values. (The atmosphere is still 95% Carbon ...
2 votes
2 answers
242 views

Is this Subterranean Isolationist City Self-Sufficient

In the story I'm writing, there is a city located entirely underground in a complex network of artificial and nature tunnels and chambers under and inside of a mineral-rich mountain range. An ...
-2 votes
3 answers
106 views

How would a group of people on a rogue planet expand their settlement into an empire with minimal resources? [closed]

The type of rogue planet I am referring to is a terrestrial planet that has been ejected from it's solar system during it forming. The planet has a thin atmosphere and has no star, because of this the ...
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8 votes
3 answers
375 views

How would a enormous more-than-city-sized ship fare in a fantasy world?

A long time ago in my world, a people, who lived alone in a continent-sized island away from any significant other landmass, had a schism. Half of them departed in a fleet with numerous ships into the ...
0 votes
1 answer
131 views

Can 1 person survive this experiment? [closed]

You know when scientists run decades long experiments where they create new species of bacteria in petri dishes to test them one against the other or to test them against various antibiotics and see ...
user avatar
6 votes
6 answers
1k views

Cannibal City: Part 1 - Eating your enemies

The Great City has impregnable walls. No-one has ever overwhelmed them and likely no-one ever will. The only way to defeat the inhabitants of this mighty city is to besiege them and simply starve ...
-3 votes
1 answer
118 views

How realistic would it be if it survived to turn into a land invertebrate? Like an Earth octopus? [closed]

Two superheroes are fighting a battle. The First one breaks the second one's spine, above and below, breaks the ribs, pulls out the spine, and leaves. The Second has the ability of bio-kinesis, he can ...
-1 votes
1 answer
136 views

If Earth suddenly become a rogue planet what would humanity have to do to survive [duplicate]

If Earth become a rogue planet leaving the sun's orbit and leaving our solar system what would humanity have to do to survive and how long could they survive? Edit: I should note that it is not a ...

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