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.

Filter by
Sorted by
Tagged with
96
votes
26answers
31k views

How to survive the heat death of the universe?

The eventual heat death of the universe is an awful time to be alive considering you wouldn't have long left after the last star finally fades away. In this scenario there is a small group of about a ...
76
votes
16answers
14k views

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

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 ...
58
votes
12answers
13k 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 ...
49
votes
11answers
13k views

How long could the sun be turned off without overly damaging planet Earth + humanity?

Background story: Current Earth, in the close future. Astronomers have found first signs of extraterrestrial life: huge sheet-like objects (with surfaces easily as large as the surface of the Earth) ...
46
votes
15answers
15k 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 ...
42
votes
23answers
15k views

Why are escape pods used instead of transporters whenever an alarm sounds to abandon the ship?

An interstellar spaceship carrying a thousand personnel was attacked by a group of space pirates while crossing the nebula. The nearest habitable planet is several light-hours away. Help will only ...
40
votes
4answers
9k views

How many coconut trees would be necessary to support a single, middle-aged human on a deserted island?

It basically says it all in the title. I assume the human will eventually succumb to malnutrition, but I wonder what the minimum number of trees are necessary to provide the human with enough energy ...
40
votes
14answers
6k views

You are a minor character in a fictional story. How do you get to be the hero? [closed]

Please see my re-open request below (the question is currently closed). Thanks You come to realise that you are a fictional character in a story. EDIT In the light of a couple of answers, I need ...
38
votes
24answers
12k views

How would a society isolated by monster attacks get food?

So I've got a medieval fantasy world where humanity has been forced to live exclusively in fortified towns and city states because of attacks by monsters. These monsters are not kaiju level in size so ...
36
votes
25answers
9k views

What kind of land transportation can be used for plowing through hordes of zombies?

Set in a zombie apocalypse world somewhere in Chennai, India. News report shows an estimated 90% of the population here has turned into zombies overnight, soldiers setup a human chain perimeter ...
35
votes
6answers
5k views

What's the smallest patch of land a single person could be food-sufficient on indefinitely, in a temperate climate?

One person lives alone with access to a small patch of useful land. They have to grow all their own food and survive indefinitely. This small patch of fertile soil is the only useful land. No grazing,...
34
votes
20answers
6k views

Survive the full moon in a country largely populated by werewolves

You're planning to move to the rich country of Lycania (names are a work in progress, ok?), a country as big as the USA plus half of Canada, where you have been offered a good position which would ...
34
votes
8answers
9k views

Nuclear apocalypse in a nuclear submarine

You're a sailor on (in?) a brand-spanking-new Virginia-class nuclear submarine. You just set sail a couple of weeks ago, and were doing some routine exercises in the North Atlantic (about 500 miles ...
32
votes
17answers
42k views

Best places to be on Earth when an all out nuclear World War III breaks out?

This is a world building question in a preventative context because those people or countries would be left fully functional while others gone and the safe areas is where the world building would ...
30
votes
15answers
7k views

How old do surviving children need to be to keep human civilization from failing?

This question is inspired by several similar questions on this site. The scenario: at one moment, all people above the age X disappear without a trace. How low this X can be that human civilization ...
30
votes
10answers
7k views

Would humankind remain the dominant species in a world with twice as big animals?

So, a little bit of pseudo backstory first. Imagine mother nature would be some godly being, that actually exists. Somewhere. In spiritual form. Now imagine humankind would be a big thorn in her eye,...
30
votes
2answers
3k views

Earth becomes a rogue planet - how long can Iceland hold out?

Inspired by this question and my comment on one of the answers. If the earth were flung out of the solar system, it would rapidly become far too cold for any unprotected life to survive on the ...
29
votes
7answers
11k views

Is it possible to perform surgery on your own spine? [closed]

My character has to perform surgery on herself and by herself. She has all the surgery tools and a screen to watch what she is doing. She is in a clean stable environment and there is no risk of ...
29
votes
14answers
6k views

The universe is in a long, slow decline to darkness (the stars are going out) - What can we do about it?

The universe is in a long, slow decline to darkness Sorry folks but it's true, read the article! Here's a much edited-down version: The universe is cooling down, its stars pumping out about half ...
27
votes
5answers
6k views

If a civilization could plant only three crops, which ones would cover all nutritional needs?

For example, beans and rice cooperate to make a "complete" protein, providing all of the amino acids the body can't synthesize on its own -- in fact, most traditional dishes that combine legumes and ...
26
votes
19answers
11k views

Can I send S.O.S in space with just a conventional cellphone?

The year is 2109 C.E my friends and I were caught in a space disaster when the spacecraft we're in broke apart during a daring escape from a patrolling spacecraft. We stole an antique cellphone (from ...
26
votes
8answers
8k views

What would human survivors eat in a post apocalyptic Nuclear winter?

Let's assume that: the entire nuclear arsenal available on earth is launched and detonated, completely obliterating civilization but leaving a few humans and animals in very remote areas alive. this ...
25
votes
25answers
5k 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 ...
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 ...
23
votes
10answers
10k views

What would happen if magnets stopped working?

I asked a similar question earlier: What would happen if electricity stopped working?. But I was also thinking about what would happen if magnets stopped working. This question is very related to what ...
23
votes
10answers
6k views

Other than magic, how can a cold-blooded race survive in an arctic climate?

I have a race of lizard people who live in an arctic climate (tundra/taiga). I just realized that this might be a problem, assuming they're cold-blooded, and I refuse to change the fact that they're ...
23
votes
5answers
3k views

Creatures that intentionally blow themselves up

How could a creature explode itself? Why would it? We see example ideas of these all the time (Scourges, creepers, etc.) but nobody ever said how or why a creature would intentionally explode. I am ...
23
votes
11answers
5k views

The World's in Perpetual Winter. How Long Can Humanity Survive?

A Little Background March came and went, but the snow continues to fall on earth, even in Sudan and Brazil. What was once thought of as a miracle of Christmas has begun to cause problems. Winter came ...
23
votes
3answers
3k views

Diet for nomadic people climbing a metal structure?

I'm searching for a source of nutrients for a nomadic tribe that climbs a seemingly endless metal tower. They have been climbing for generations and are too high up to see any ground below. The ...
22
votes
10answers
6k views

Moving stealthy in an hostile enviroment

I'm in the middle of sketching out a new story, settled a post-apocalyptic version of our present. The main feature of this enviroment would be blind, mindless, aggressive and contagious versions of ...
21
votes
2answers
8k views

Could a woman survive on mars by wearing a tight fitting, heated shirt, heated leggings, and a full head oxygen helmet

I’m writing a story where mars with its current atmosphere is inhabited entirely by women wearing the “spacesuit” with the following features: tight fitting, heated shirt, heated leggings, full ...
20
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 ...
20
votes
6answers
3k views

Would a person from the past be able to survive for a week in New York?

A person from the 15th century Europe, by way of an Assiti Shard, gets thrown forward in time to 21st century New York City. They are aware they're going someplace weird, because the shard manifests ...
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 ...
19
votes
6answers
37k views

What would happen if electricity stopped working?

Blackouts happen all the time locally, but what would the implications of a world-wide, indefinite blackout be? Here is a spark from the fire of what could happen: (obviously) lights go out no air ...
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'...
18
votes
6answers
7k views

How will our world change if all women suddenly die? [closed]

I had so much fun reading How will our world change if all men suddenly die? that I decided to register here. It also made me wonder about the opposite case: In a world... with today's technology and ...
18
votes
14answers
2k views

How to survive for a day if everyone is trying to kill you

I saw this a while ago, and it has bothered me ever since. Imagine a world where you know everyone is going to go crazy in exactly one day. The entire world's population will try to find and kill you,...
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 ...
17
votes
13answers
3k views

Would concrete foundations and driveways be useful to a post-catastrophe survival group?

I had some interesting thoughts while walking my dog this morning. Let's assume there has been some catastrophic event that leaves the world habitable, but kills off a large amount of people (99% of ...
16
votes
8answers
5k views

Can we start a colony on a passing rogue planet?

A rocky planet, similar to Earth in mass and composition, is set to pass through the solar system in one year's time. It has frozen oceans of water ice and a thin atmosphere of unknown composition. It'...
16
votes
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 ...
16
votes
6answers
1k views

Would a medieval Arcology be possible?

In a barren desert, 5 cities called the desert pearls are placed like pearls on a string. Travel between the cities are done with huge pack animals who looks like a breed between elephant (mammoth) ...
15
votes
13answers
9k views

Would a trench filled with mercury stop zombies in their tracks?

Set in the 13th century middle ages and there is a zombie apocalypse, I own a castle surrounded by a trench of width 50m and a depth of 50m filled with 25m deep of mercury. The zombies are similar to ...
15
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 ...
14
votes
8answers
4k views

What could post-apocalypse humans do about dangerous, genetically augmented dogs?

So, out in Colorado, in the city of Den (population 1600), there is a huge problem. Before the war, a geneticist lab was trying to create police dogs that were stronger and superior to normal dogs. ...
14
votes
7answers
1k views

What would a society of carnivores be like?

Suppose a species of carnivores had evolved to the point of human-like sapience. How different would their society be in comparison to human society, in terms of agriculture (if any), food production,...
13
votes
11answers
2k views

How to move on as a society without a common language

Scenario: 20 people (men and women of varying demographics, occupations, and socio-economic classes) awake and find themselves on a deserted tropical island (with no idea of how they got there). The ...
13
votes
5answers
575 views

Could people survive on earth if a day lasted 100 years?

Imagine we took earth and slowed it down so that a day lasted 100 years, could humans (or any life) survive? Let's assume that there are no ill effects of slowing it down, no massive tidal waves, no ...
13
votes
3answers
1k views

People of the Sea- Living on a Migratory Fleet

Okay, following my previous core question, after the apocalypse, one of my sets of survivors in this setting, the Usnay, managed to live in a fleet of ships for over a thousand years. This is ...

1
2 3 4 5
7