Questions tagged [food]

For questions about sources and types of nutrition for a living organism.

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17
votes
8answers
4k views

Convenient teeth for a bloodsucking vampire

So I got this species of vampire-creatures (no conversion of other species, just mating and reproducing in typical mammalian fashion) that subsist entirely on blood. I'm using a bit of magic to imply ...
17
votes
5answers
2k views

Would carbon-based lifeforms be able to eat silicon-based lifeforms?

In the South Galaxy, the overwhelming majority of life lives on planets, breathes air, and is carbon-based. All sentient life is carbon-based. However, in the vast reaches of space, there are some ...
17
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9answers
2k views

How might Plants produce flames?

We all know of plants that draw in animals with sweet nectar or even just sit around hoping an insect will sit on it and get caught, but I'm imagining a forest dimly lit by the flickering flames of a ...
16
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5answers
5k views

At what temperature should the earth be cooked to prevent human infection?

Humans are the equivalent of bacteria to planet-eating monsters. And since, as we all know, eating humans is dangerous business, these monsters have decided to cook our great planet Earth before ...
16
votes
5answers
3k views

Stomach feeling full based on calorie intake

In the world I am building I wanted to design a race on a planet which get more full the more calories they eat and then stopping when they have had their daily caloric requirement. I have an idea's ...
16
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5answers
3k views

A 'vampire' who still eats normal food

The hero of my story has been cursed to be forever 'bloodthirsty' in the literal sense of the word. Effectively, he has been turned into a vampire. But drinking blood will cause him to lose his senses,...
16
votes
7answers
675 views

Will food logistics limit the population of a civilization of obligate carnivores with modern technology?

I'm imagining a world populated with a species of intelligent, social, and "modern" (in terms of technology) humanoids. For the purposes of this question, they and their world can be near identical ...
16
votes
3answers
2k views

How Can I Keep an Economy Stable Using Food as Currency?

I am creating a world where the currency (the only currency) is tablets that dissolve in water to create food. Each tablet provides all of the nutritional needs for an average adult for one day. The ...
16
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6answers
4k views

Is it possible to synthesize a nutritional food source completely from inorganic materials?

I have a work-in-progress scenario where an interstellar generation/ark/cryogenic ship has reached its destination, but there are no habitable planets. There's no turning back, and so now the ...
16
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3answers
3k views

How large would a space ship need to be to feed 10,000 people?

I want to put 10,000 humans in a space ship and send them into space. They don't have a set destination - they're having to flee their homeworld, and they don't know what planet will take them in, so ...
15
votes
16answers
6k views

Selling food to the enemy

The castle is under siege. The inhabitants are running out of food but have plenty of gold. The attackers have food supplies but need money to keep them coming. Does it make sense for the attackers ...
15
votes
32answers
16k views

How to secretly harvest/farm human beings as a primary food supply?

A group of individuals from a technologically advanced alien race have been found to be intellectual dissidents by their peers and exiled to Earth as a consequence. Earth was selected as the location ...
15
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7answers
1k views

Is it possible that technologically-capable, spacefaring species would depend on a single source of food?

In my world, an intelligent species has evolved to the point of space travelling. However, this species can eat only one single type of food (which is a product of another species on its planet). It ...
15
votes
6answers
2k views

Sugar-bomb tree mechanics

I'm developing a tree that has a peculiar fruit. Instead of having water in said fruit, there is nothing but sugar. The tree pumps sugar into a hollow orb which slowly "bakes," caramelizing into an ...
15
votes
8answers
780 views

The earth is flung into deep space

I've been reading the book Nomad, and in it That's got me thinking, is there any chance of survival beyond a few days/weeks when the atmosphere freezes? (Would it freeze?) Just off the top of my ...
15
votes
3answers
648 views

Medieval Crop Yields

I'm the DM for a D&D campaign, set in a sort of "realistic-fantasy" setting. There's monsters and magic and stuff, but there's not enough of that for the average medieval community to see much ...
14
votes
11answers
2k views

Post-apocalypse currency

It is a post apocalyptic world, all government systems have broken down, approx 95% of the worlds population is gone and the few survivors left are beginning to trade with each other. I need a ...
14
votes
8answers
2k views

Cannibalism - does eating other sentient creatures make you a cannibal?

So I am now writing my novel regarding a man sent on a long term mission in a backward world by his employer. In the middle of war he ran out of provisions behind enemy lines with no edible flora or ...
14
votes
9answers
5k views

Pills instead of meals?

Let's say scientists created a pill, that would satisfy our daily nutritional needs. It would have all vitamins needed, all calories, minerals - everything that a human body needs in order to function ...
14
votes
3answers
2k views

Bringing potatoes to the middle ages

A time traveller wants to save medieval Europe from famines by introducing the potato. The plan is, on first sight, simple: Just bring potatoes back with a time machine, and convince people to ...
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
15answers
6k views

How can I make medieval folks addicted to food?

Let’s say I have a time machine and I travel back to medieval Europe. I befriend a girl and she needs my help to save the business of her mother: a restaurant, inn, tavern, etc. I travel back to the ...
13
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13answers
4k views

What type of food might an organism that lives its entire life in interstellar space eat?

I was thinking of an organism that lives its entire life in interstellar space It eats, defecates, moves, grows, ejects eggs, attracts mates, and has sex in interstellar space. It has skin that ...
13
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8answers
4k views

Can a species eat ice? [duplicate]

At age 9, I drew an alien which I described as "eating ice". Occasionally I've wondered if that's possible. Carbon-based Earth life only uses water as a solvent and consumes carbon compounds for ...
13
votes
7answers
2k views

What would be the development of the most valuable, irreplaceable food trade goods in a post-apocalyptic world?

So imagine any typical post-apocalyptic world, recently cast into their misfortune. A very large percentage of humanity has been killed, leaving a very large stock of property to be looted. I suspect ...
13
votes
5answers
242 views

Microgravity BBQ setup

The development of microgravity cuisine is an interesting topic, especially when it comes to transferring simple processes like the successful thermochemical processing of muscle tissues (e.g. ...
13
votes
2answers
550 views

How could chocolate be as addictive as heroin?

Most of us are well aware that chocolate is already a bit addictive to human beings... maybe it's the caffeine or the sugar? But what if there were a species to which chocolate was as addictive as ...
13
votes
3answers
2k views

Is Game of Thrones realistic: food supplies during extended winters in medieval England

In Lyman Stone's fantastic blog post about George R. R. Martin's A Song of Ice and Fire series, Stone mentions that the seasonal cycle of Westeros is very unrealistic. Here’s the truth: Medieval ...
12
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7answers
5k views

Zombie diet, why humans? [closed]

Why would zombies eat humans and not any other animals? Are there any chemicals or vitamins that can only be found in human bodies and not other animals?
12
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5answers
3k views

How can I feed an entire population on corpses?

In the grim darkness of the far future, there is only war. The world has become a barren wasteland that is inhospitable to the the human race, which has been forced to take residence in hive cities. ...
12
votes
3answers
2k views

What would be the major changes to our body if we were herbivores?

What would be the major changes to our bodies if we were herbivores? Would our bodies be weaker because they were not getting any protein from meat? Would we be completely different? (Probably, I ...
12
votes
2answers
1k views

How long per day does it take to forage/hunt for food?

Alice and Bob are lost in the wilderness with no supplies! Luckily, they're trained for this kind of thing; they decide to forage and hunt for food. About how many hours per day will they be spending ...
12
votes
3answers
479 views

Mutually beneficial digestive system symbiotes

On an Earth-like planet, an intelligent species evolved in symbiosis with another species that lives in their digestive system and act as the microbial gut flora in humans do. What implementations of ...
11
votes
7answers
3k views

Blood-based alcohol for vampires?

So a setting I had in mind has vampires, of the rather traditional kind. They aren't as inhumanly strong or fast, but in turn they aren't instantly incinerated by sunlight, instead just being really ...
11
votes
3answers
2k views

Can a gorse plant be used as a source of food?

I have a fantasy kingdom set up where the landscape is mostly mountainous with rock and pine forests, like the picture below. As such, it is quite difficult to have agriculture. One plant which can ...
11
votes
7answers
2k views

In What Way Would Cryomancy Affect the Food Eaten by Medieval People?

Cryomancy is magic involving the removal of heat from an object by converting thermal energy into magical energy, thereby cooling the object. The conversion to magical energy is not perfect (some ...
11
votes
4answers
2k views

Big, big, big… beans

I'm trying to find explanations for a strain of beans (or any other food-producing plant) that have become large, maybe as large as most trees, and about as wide in girth, that overgrows countries ...
11
votes
7answers
2k views

How to explain the lack of artificial pollination in space colonies?

My story is set in the future where space travel is cheap and humanity has colonized Mars and some parts of the asteroid belt. Asteroid colonies can grow their own staple food, but crops that require ...
11
votes
5answers
5k views

Can man live on ostrich eggs alone?

I am building a world inspired by Gondwana, the great southern mega-continent, filled with plants and creatures that live in or evolved first on the southern Continents of Earth. On this world, there ...
11
votes
4answers
1k views

Could domesticated mammoths sustain a group of nomads

In a fantasy world I have planned, I wanted one of the nomadic groups to live on a frozen steppe. They would primarily subsist by herding and domesticating mammoths. Would mammoths be comparable to, ...
11
votes
2answers
3k views

Can anything survive by eating rocks and other ground minerals?

Are there bacteria or other types of lifeforms that feed on rocks and other ground minerals? And if there aren't, is it technically possible? It can eat other things but the majority of its diet ...
11
votes
6answers
2k views

Is it a reasonable idea that malnutrition can cause insect or other similar types of aliens to lose limbs?

In the creature type I asked about in my last question, there are some lower caste members who seem to have metal limbs. However I don't think they would waste resources to build the legs for lower-...
11
votes
5answers
1k views

Could a small (about 6 feet long) dragon live on a diet of fish?

In my story I'm creating, there are three sizes of dragons, from 6 to 20 feet long. The smaller ones create small coastal villages, and fish. These 6 foot dragons: are very dexterous and have ...
11
votes
4answers
533 views

Would dragons using domesticated goat-like animals as a source of food be viable?

I'm designing an earth-like planet with a relatively similar biosphere to earth's. The explanation I have for the close parallels is mostly a hand-wave: This planet and earth are linked by a number of ...
10
votes
7answers
7k views

Can humans survive just by eating hairs and nails?

Can humans survive by eating only nails and hairs of their own? As they grow they consume their own hair and nails. Hair includes even body hair. What is the maximum number days a human can survive ...
10
votes
11answers
6k views

How would Vegan Vampires survive?

There is a planet called Vegavampira, and on this planet the only really intelligent animals are Vegan Vampires, but there is one problem, because they are Vegan, they will not kill, nor will they ...
10
votes
3answers
1k views

Is it theoretically possible for the human body to not defecate?

Assume that I have some way to introduce nutrients into the body of a healthy human but I do not have any method of changing their biology. No surgical procedures nor special "drugs" that would affect ...
10
votes
4answers
518 views

Best Foods/Plants to Grow in Generational Spaceship?

Hopefully this isn't a duplicate; I wasn't able to find another question which addressed this, at any rate. Let's say I have a generational spaceship going off to another solar system to establish a ...
10
votes
11answers
919 views

What could cause vegetarianism to be outlawed?

In my fictional country, you are not allowed to be a vegetarian. Meat eating is recommended and mandatory. The law prohibiting vegetarianism was created somewhere around 1780-1850. The question is: ...
10
votes
4answers
1k views

Would a large delta allow my desert people to feed a continent?

Context : In a world, very similar to our good old Earth, with late medieval technology, a great kingdom has united a whole continent. Except, that is, for a small country, located southernmost of ...