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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69
votes
17answers
12k views

I'm on the Titanic, what should I do to survive?

I time traveled to the date of April 14th, 1912 with my time machine. It’s evening, 6:00 PM to be exact and my location is the deck of the ship Titanic. We all know what is going to happen not too ...
3
votes
9answers
301 views

Why might someone be the last person alive in the galaxy? [on hold]

I'm writing a science fiction story about a man who has to rebuild civilization from the ground up after all intelligent life in the galaxy is destroyed. (Using gene samples, seed banks, etc.). But I ...
7
votes
4answers
225 views

How Do We Protect Humans in a Zombie Society?

I'm writing a story where an intelligent zombie society has defeated humans and won. The zombies are the main characters in this story. These zombies: Have human intelligence, emotions, and remember ...
3
votes
5answers
148 views

What are some occupations that would exist in a small settlement in a post-apocalyptic world where going outside would not be a requirement?

Let's say it was a nuclear holocaust and billions died. The setting is the US so distances are large - people are very far spread apart. There are bigger settlements/cities but for our purposes we'll ...
-3
votes
1answer
73 views

How could a bioweapon designed for warfare go wrong and kill billions, and have additional side effects? [closed]

In the 22nd century, the major world powers are at each other's throats, fighting over dwindling resources and territories. One of the sides develops a biological weapon, let's say a virus, to be ...
2
votes
4answers
101 views

A plausible reason for an alien race to attack Earth and lead to a post-apocalyptic setting [closed]

My current story is post-apocalyptic, but instead of a virus/asteroid/zombies, I'm going for an alien-caused catastrophe. The setting is a future Earth affected by depleted resources, climate change ...
0
votes
5answers
227 views

How to survive without harming any creature? [closed]

In my world, people are aware and conscientious. They live like farmers in rich and clean natural environments. There is plenty of crops to sustain any kind of family. Waters are clean, fields are ...
3
votes
3answers
129 views

What could potentially lead to a AI/robot-driven post-apocalyptic world?

Let's say that it's the 23rd century. Climate change has gotten worse and resources are dwindling to dangerously low levels. Coastal cities have flooded, displacing hundreds of millions of people ...
2
votes
1answer
133 views

How big would an asteroid have to be to destroy 99.9% of the human population? How would the remaining survive? [closed]

Let's say that a mega-asteroid is heading towards Earth. I want it to destroy essentially the entire population except maybe a few million people around the world. Now, I know that for an asteroid of ...
3
votes
3answers
284 views

The Earth-like world's been shrouded by darkness. For how long would the civilization be able survive?

In this setting, the Continent has been hit by several catastrophes, caused by the inner workings of planet's tectonics, and the eruption of a volcano far on the other side of the world. Gravest of ...
56
votes
12answers
12k views

If every star in the universe except the Sun were destroyed, would we die?

If every star and planetary system and blackhole—all mass (not sure whether to include dark matter or not) except what directly makes up our solar system—in the Universe except the Sun were wiped from ...
45
votes
15answers
14k views

Where on Earth is it easiest to survive in the wilderness?

In which wilderness area on modern-day Earth would it be easiest for a lone human to survive year-round? What resources are available there and what tools and skills would be necessary? What is the ...
3
votes
3answers
160 views

Human survival on unaltered Mars

What would it take for humans to survive on mars, without shelters, akin to the Martian, in terms of genetic engineering? Is it even remotely viable, or would some mechanical assistance (oxygen tanks?)...
6
votes
5answers
269 views

What would a human need to have a better chance at surviving a very long fall?

I am currently writing a book about people with powers. One of these characters have a power to make portals, and I am wondering what would make it realistic for said character to survive hitting the ...
6
votes
7answers
3k views

If there were no space agencies, could a person go to space?

I'm writing a story and I was thinking about the ending in advance. I posted a question about how the population would be wiped out. I have developed from that and thought about the virus having no ...
8
votes
7answers
412 views

Where to Put Self-Reliant, Rugged Individualists?

In fiction that tries to provide a wide diversity of cultural stances on the collectivism-individualism stances, there is often a trope that self-reliant, no-nonsense, rugged individualists (as a ...
5
votes
2answers
258 views

How long can 400 people survive in an underground facility if they had to seal off their heat vents?

Assume the surface of the planet is experiencing ice age conditions and the facility was designed to keep the occupants alive for 6 months. An emergency forces the permanent closure of all Heating, ...
11
votes
8answers
5k views

Surviving a planet collision? [duplicate]

Let's say there are two planets about to collide. Ignoring how they got there, it seems that in most scenarios basically all life gets annihilated by energy released the collision. How slow would two ...
4
votes
3answers
150 views

Limitations of the interactions of fact and opinion thoughtforms in the Aethernet

The Setting Long story short, we cracked the code of the universe and then reprogrammed it to give ourselves admin privileges. But then, we realized that having top-level access is boring. There is ...
14
votes
4answers
4k views

Is surviving this (blood loss) scenario possible?

So my character (16 yr old girl) got a deep cut (inches across) from a dagger across her torso and is knocked unconscious. (She falls onto her back) She had just enough time to contact her friends ...
18
votes
11answers
5k views

How would vampires avoid contracting diseases?

In my fantasy world vampires exist, and most of the intelligent races can be turned into one. I try to make everything in this word kind of explainable by science, at least possible in our Earth. I'...
2
votes
2answers
203 views

Would a diet of fish and potatoes be able to support a person in this situation?

I have been thinking of a setting that involves a person getting stranded in a temperate forest that has not been previously inhabited. He eventually meets other people but until then he has to ...
3
votes
0answers
71 views

Useable life span of different types of plastic and polymer [closed]

OK folks - here's one for you petrochemical types: World is set 200 years post an apocalypse that wipes the global population back to about 280 million (the population of the world circa 1000AD). ...
6
votes
5answers
478 views

How long can a human survive inside a dark box?

I am toying with an idea which requires a human to be stuck in a dark box for the rest of their life. They receive regular exercise of the arms and legs, air, food and water and their bodily ...
9
votes
9answers
597 views

How to destroy a galactic level civilization and still leave behind primitive survivors?

Basically, the problem is I want to leave behind isolated pockets of survivors. Also, I want these survivors to be a primitive culture - current real world level - compared to the original ...
0
votes
4answers
245 views

What modern things that are cheap can be good to sell in a fantasy medieval world at high price [closed]

I have my protagonist go to a fantasy world that is locked in their medieval era like late 1300 early 1400. My protagonist need money to travel, so what kind of modern invention, a material that is ...
17
votes
7answers
6k views

What dog breeds survive the apocalypse for generations?

There was an apocalypse. Humans left cities in swathes, leaving their canine companions behind in the ruined cities. My question is, which types of dogs survive? Criteria -The dogs are going to be ...
-1
votes
2answers
107 views

Laminar Flow Fountain Shelter?

Say you were stranded on an island with no shelter whatsoever, but for some odd reason you had all the supplies and water necessary to construct a laminar flow water dome as a shelter. Keep in mind -- ...
1
vote
5answers
160 views

How would Elves survive underground without prior experience? [duplicate]

Background: An Elven nation that once thrived for thousands of years as a predominantly agricultural race was forced underground because of unexplainable occurrences of extreme weather conditions (...
6
votes
3answers
470 views

What would the physical effects be to Elves if they began living underground?

Background: An Elven nation that once thrived for thousands of years as a predominantly agricultural race was forced underground because of unexplainable occurrences of extreme weather conditions (...
19
votes
4answers
6k views

Could moose/elk survive in the Amazon forest?

In my story, there is a civilization living in the Amazon rainforest. They need some time of mount that is adapted to the forest. I don't think horses can survive by themselves in there, so I was ...
10
votes
3answers
504 views

What adaptations would allow standard fantasy dwarves to survive in the desert?

Recently I was talking with a friend of mine on fantasy stuffens. I brought up that its interesting that dwarves are rarely in the desert and he immediately listed reasons why the dwarf build is bad ...
7
votes
6answers
394 views

What survivable events would make Earth least inhabitable?

I am interested in events that would so radically change Earth (for the worse) that it would be near uninhabitable for humans. The event may or may not be deadly to humans, but the world it leaves ...
10
votes
3answers
203 views

What thickness of atmosphere and strength of magnetosphere would I need for a planet to have a deadly daytime and a hospitable nighttime?

What thickness of atmosphere, and strength of magnetosphere, would I need for a planet to have a deadly daytime and a hospitable nighttime? I'm wanting a planet in which humans can survive on as long ...
6
votes
0answers
275 views

The great battery swap [closed]

An alien contra-organization wants to spur the development of Earth to help humans in the near-future in presence of a prime-directive like law. They cannot establish actual contact, so they do the ...
2
votes
5answers
276 views

Creating the perfect post-apocalyptic suburban town, part I: water source

I'm writing a story set in the immediate (and eventually distant) aftermath of the human race globally being given access to a runic magic system in the modern day. This... eventually goes very, very ...
6
votes
4answers
256 views

Could a primitive sapient civilization survive on a planet being pulled along by a shkadov thruster?

From my understanding shkadov thrusters, they use huge mirrors built on the scale of a dyson sphere, to reflect all the radiation of a star in one direction, accelerating the star as an enormous star-...
8
votes
3answers
222 views

Hermit living down a well. How deep can he safely go?

A holy man lives down a cylindrical well that is 2 metres in diameter. There is no water in the bottom and all the walls are of solid impermeable rock. He is protected from rain by a roof on supports. ...
1
vote
1answer
66 views

How would humans survive being on a rock formation in the middle of the ocean? [closed]

You're just walking down the street not expecting anything when you suddenly black out and wake up on a small rock formation seemingly in the middle of the ocean. Looking around you see four other ...
24
votes
6answers
3k views

How many people need to be born every 8 years to sustain population?

So I'm doing some worldbuilding for a small, isolated village on the coast. The winters are harsh, but making sure everybody has enough food generally isn't an issue because they have good trade with ...
4
votes
4answers
302 views

What would happen to a human dragged quickly from the surface to the mesopelagic zone?

My mermaids have returned, and now they're dragging semi-conscious people about 700-ish meters underwater. Is it realistic for the person to still be alive at this point? (Y'know, for about ten ...
2
votes
3answers
283 views

Can a high power EMP generator keeps killer robots at bay?

Set in the near future, thousands of killer robots resemble those featured in the terminator film, I'm referring to the 800 series model are now marching in as we speaks. I am a sole survivor on a ...
11
votes
11answers
2k views

Alien invasion to probe us, why? [closed]

In popular culture on my Earth-like planet, alien-abduction stories, anal probing and conspiracy-theories are well-known but largely considered by mainstream culture to be delusions or fanciful ideas ...
1
vote
3answers
146 views

If aliens would be like us, how can we survive [closed]

We Humans are the most intelligent species of this planet, we have total control over all other species of this planet, we can use them however we want like (Food,clothes,experiments). We are the most ...
10
votes
8answers
4k views

What's the oldest plausible frozen specimen for a Jurassic Park style story-line?

We've found all sorts of interesting stuff in arctic ice & permafrost around the world. Bacteria & the like far older than the more media friendly mammoth specimens have been found, living ...
10
votes
10answers
3k views

How to transport 10,000 terrestrial trolls across ocean fast?

Trolls are about 30 meters tall on average and can weigh anything between 100 to 200 short tons at sea level. They can only be found to inhabit an island somewhere in the Pacific ocean and are in ...
2
votes
3answers
207 views

How to make society ravaged by random killing, prosper and remain happy?

Set in near future. Human population is at most a hundred thousand. Everyone lives in mountainous regions to escape deadly miasma. The air is infected by nanites which can cause cardiac arrest in ...
4
votes
4answers
184 views

How long could humans survive on my planet?

I have created a planet which is a clone of Earth. Except I messed up where wasps, cobras and scorpions were concerned and they have turned out to be the size of elephants (everything in proportion). ...
10
votes
2answers
181 views

Fortifications capable of withstanding atmosphere-clearing blast

On the Atomic Rockets site, there is a series of handy tables, the first of which is aptly named "The Boom Table", providing examples for a wide range of energy releases (in both Joules and TNT ...
17
votes
8answers
1k views

Maximum Personal Time-field Speed?

One day, you suddenly get superpowers! Whoo-hoo, you can speed up or slow down the flow of time for yourself. This means you can run faster than a jet, right? So you decide to test it out. You go ...