Questions tagged [food]

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

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5
votes
2answers
67 views

Artificial food digestibility decrease

Good day fellers. My question is - how can one decrease the digestibility of consumed food? I mean, if two characters consume the same amount of the same food, the one with such ability will get ...
25
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4answers
4k views

What sort of beak would a bone marrow eating bird have?

My world is very earthlike and I am looking to create a bird that primarily eats bone marrow. I wanted my bird to crack the bones of the carcasses to eat the marrow inside. What would the ideal beak ...
7
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3answers
170 views

How to increase army size without modern farming/preservation inventions

i want to make renaissance era armies that are large in size and able to travel far( without plundering for resources) but I'm running into a problem regarding how to feed them since there is no ...
11
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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 ...
2
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2answers
111 views

Rock/Mineral Ore Eating Organism

How would an alien organism survive on a diet of rocks and mineral ores, and what kind of materials would be the most sufficient? Also, what kind of teeth and evolutionary traits would they possess in ...
7
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2answers
2k views

If the Moon was made of cheese, what should we do with it? [closed]

The Moon is made of cheese. So: Should we eat the whole moon or should we keep it until the famine breaks out? Will the moon melt or freeze or neither? Can you still eat the cheese after a while or ...
1
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4answers
193 views

What would be the dangers of creating matter from nothing

Dear top secret science network, Humanity was visited by visitors from another universe altogether (one which doesn't obey our laws of physics) - the D'jini. A diplomatic convoy of them apperead one ...
45
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18answers
9k views

Why would a berry have a slow-acting poison?

Plant poisons in our world (that I'm familiar with) have operational half-lives in the order of seconds to maybe a day to reach full effects. This is because poisons are a defense mechanism and work ...
10
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2answers
4k views

What would be the major body changes if we were obligate carnivores?

As you see my other question What would be the major changes to our body if we were herbivores?. Instead of being herbivores, what would happen if we were obligate carnivores?
2
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2answers
50 views

Adverse effects of reduced food variety on microbiome

We often see, in Sci-fi, food being produced from, say, algae or yeast. What could be the effect of such a limited diet on the gut microbiome? Would there be any believable side-effect that would have ...
32
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5answers
4k views

Dietary Requirements of Giant Spiders

Giant Spiders are a traditional element of fantasy worlds. They prey upon most human's primal fears, and are easy to make as evil as possible. (Note: Not to scale) But are they actually plausible? ...
12
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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 ...
25
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8answers
6k views

What giant insects would fill the role of our domesticated cattle?

All our mammalian friends are replaced by domesticated giant insects! Man's best friend are now dog-sized hissing cockroaches, fireflies are lighting our houses and harvestmen are used for transport. ...
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 ...
23
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20answers
7k views

A sentient carnivorous species trying to preserve life. How could they find a new food source?

This is a bit of a strange one but I have an idea for a purely carnivorous species (land or water based, not determined yet) that gains awareness and even fondness of the animals they hunt. Not in the ...
15
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3answers
649 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 ...
11
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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 ...
22
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15answers
6k views

What kind of food would be common in a culture that tries to avoid fire as much as possible?

The people of A. are a race of small, lemur-like people that build their villages deep in the forest on treetops. Since they live directly surrounded by forest in a vaguely Mediterranean Climate with ...
5
votes
3answers
291 views

Is there a way to stop undigested food from leaving the body?

WARNING PROBABLY CONTAINS DISGUSTING STUFF So base of my previous question about will there complication to the body, especially the guts, if basically a single Senzu bean make a person never need to ...
19
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11answers
5k views

A food item only made possible by time-freezing storage?

Premise: It's the modern day, and humans have various magical abilities through a runic magic system. One of these abilities, which I'm currently trying to visualize the implications of, is called ...
1
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4answers
294 views

will there complication to the body especially the guts, if basically a single senzu bean make a person never need to eat for the rest of their life?

this video surprisingly has some similar properties i try to make and better at explaining the science properties (without me knowing the science stuff before) warning!! don't watch the video when ...
3
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4answers
160 views

How do semi-sapient yeti/ogres live in the wild?

Assume that a species of bigfoot-type animal/person exists. Most of this also applies to ogres or trolls, whatever big dumb giants your particular setting has. My world's specs: They range 7-10 feet ...
3
votes
3answers
189 views

How could a creature derive energy from radioactive elements?

Have a creature that doesn't really need vitamins or minerals, it only requires energy which goes through a energy-matter conversion to build what it needs. Radioactive materials would be great ...
67
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15answers
11k views

How to butcher your dragon?

READ ME FIRST: There seems to have been a great deal of misunderstanding stemming to equal parts from the words I chose for this question as well as the human nature of only seeing what one wants to ...
6
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4answers
611 views

Human with super efficient metabolism

So I read recently this article as I was trying to design a sci fi alien race for my story and I found out that a human only has an efficiency of converting food to energy of about 25%. What would ...
21
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4answers
5k views

Would a carnivorous diet be able to support a giant worm?

In my fantasy world there is a large valley. At the northern end lies the 'endless desert' called the "Sea of Glass" due to its shimmering sands. Within these deserts live great wyrms that swim ...
25
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9answers
4k views

How to check what is edible on an alien world? [duplicate]

You've landed on another planet. There are some forms of plants and animals on this world but how do you know what is safe to eat? Obviously we went through this on earth, finding the right berries ...
23
votes
12answers
10k views

Can a creature sustain itself by eating its own severed body parts?

I was inspired by geckos which can sever their own tails. I wonder if a creature which has such an ability, especially with a high regenerative power to grow its body parts, can sustain itself over ...
7
votes
1answer
150 views

What's the minimal space/mass required to feed a human indefinitely with advanced technology?

I know there are similar questions on here already, yet this is different because I don't care about traditional farming in this question. Environment This meant for food production on ...
0
votes
3answers
158 views

Can a human eat alien food for the tastiness? And vice versa [closed]

Would it be plausible for a human to eat an alien's food (and vice versa) not because said being needs nutrition or such but purely to enjoy alien cuisine. Assuming the species is fairly compatible; ...
34
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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,...
0
votes
2answers
434 views

How much raw pig's blood could a person swallow without getting sick? [closed]

I know there are some animals that you can safely drink from. Bear Grylls once drank the blood of an Elk, for example. In a story I'm writing, I'm including a birthday ritual where the sons and ...
2
votes
2answers
208 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 ...
11
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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 ...
9
votes
4answers
532 views

Crop production in mountains?

Would potato- or grain-like crops be able to flourish in northern alpine regions? There's a lot to be said about the Andeans, but the have the benefit of living near the equator that other ...
24
votes
10answers
12k views

Could human civilization live 150 years in a nuclear-powered aircraft carrier colony without resorting to mass killing/ cannibalism?

An un-treatable virus starts infecting and killing people. Societies are on the brink of collapse, and it is decided the best way to save the most amount of people is to move everyone who can fit into ...
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?
10
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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 ...
20
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7answers
7k views

How large would a mega structure have to be to host 1 billion people indefinitely?

Ruins of buildings, abandoned cities and suburbs dot the coasts of Earth's landmasses, inhabited by wild animals and the pieces of a once vibrant civilization. The oceans are relatively empty, the ...
1
vote
0answers
52 views

How many people can you feed per cubic meter? [duplicate]

With top notch existing technology (need not be currently industrially used, existing research application sufficient) and no regard for (external) ecology, economics or politics, we'll build a ...
8
votes
2answers
265 views

Is it possible for a creature to exist that uses lye instead of acid to digest food?

As far as I could gather the digestion relies on enzymes which in turn set requirements for pH. Is it possible for an alien creature to have a different set of enzymes that require basic environment ...
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 ...
2
votes
5answers
326 views

How long can humans survive on this diet?

My characters get trapped in a universe where Apes, specifically chimpanzees, rule supreme and humans are just wild animals. Like most wild animals, humans are often taken from jungles and rain ...
6
votes
3answers
309 views

How to produce milk that's similar to blood?

How could a mammal produce milk which resembles blood? The blood milk should keep as many properties of milk as possible, curding for example, while resembling blood as much as possible. The mammal ...
16
votes
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,...
9
votes
4answers
254 views

How to keep the brain alive?

So, let’s say Bill wants to gain immortality. Bill is a billionaire, and so invests a large portion of his estate to Brain Transplant research. After a bit, the doctors vivisect him, and encase his ...
-1
votes
1answer
114 views

What is the number of square kilometers of crops necessary to feed a population of 100,000? [duplicate]

Yo. I have a city. Pop. 100,000. They need to eat. Due to pantheism as their government-enforced religion, they do not eat meat. I need to know how much space in square kilometers would be needed in ...
3
votes
5answers
393 views

What farming practices would allow the Earth to support a population as high as 200 billion

Welcome to the year 2170, the predictions of our grandparents were so wrong: The human population didn't cap at 20 billion, it went far past that. The global population is now roughly 200 billion. ...
4
votes
2answers
73 views

How can existing cattle and poultry farming (housing/processing) be modified to accommodate human food stock?

This is a follow up question to the one below: How can existing methods of plumping, genetic modification, and gmo feeding be altered to accommodate the need for plumper, meatier human food stock? ...
52
votes
12answers
10k views

How can Dwarves produce honey underground?

I have often heard/read/watched in fantasy about dwarves drinking mead and lots of it. I recently learned that mead is made from honey which requires bees and flowers which require sunlight. I doubt ...