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Questions tagged [food]

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

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3
votes
7answers
1k views

How to ensure a fresh food supply on a space station?

I am sending a space station (Year is 2020-2030, so no antigravity stuff) into space, probably bigger than the ISS but not rotating/only a few modules rotate, so there are only small areas with ...
3
votes
5answers
320 views

What can we do with unlimited (but uncontained, single-source) food production?

It's a popular kids tale: the pot of soup that magically produces more and more. In this story, our protagonist in Tunis is making a big pot of Lablali, the children outside are asking him to make ...
3
votes
3answers
291 views

How long could humans survive only on other humans?

A tragic event strikes the Earth, killing all living plants and animals except humans. With no other food source, humans turn to cannibalism. Assuming fresh water and oxygen is still available, how ...
3
votes
4answers
229 views

What would need to be true for the European continent to suffer from a catastrophic famine?

Context: In 1921, Russia suffered from a famine which killed an estimated 5 million people and survivors resorted to cannibalism. The Great Chinese Famine killed a potential 43 million people. In ...
3
votes
4answers
144 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
183 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 ...
3
votes
4answers
501 views

Could humanity survive on a single food source?

Let's imagine that every food source except one suddenly becomes extremely toxic for humans and no matter what we try to do with them, they stay toxic. I'd like to know if there's some food source ...
3
votes
1answer
233 views

How feasible would a civilization of carnivorous organisms that subsist off fish farming be?

I have a race of sentient amphibian humanoids that live on a very hot and humid planet that has massive amounts of large lakes, ponds, and rivers. They are carnivorous and for simplicity they have a ...
3
votes
4answers
208 views

Could a post technological community survive without trees or animals

So I am envisaging a community trying to survive a mostly global disaster without any non human animals and no plants larger than bushes. What could be used for tools, clothing, food, fuel? Would ...
3
votes
2answers
1k views

How much land would it take to feed 1,000,000,000,000 people? [duplicate]

In my world , the Pan-Human Empire finally boasts a total area of 10,000,000,000 miles , and a population of 800 billion. They are "only" 200 billion people left to be born until the empire finally ...
3
votes
5answers
390 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. ...
3
votes
2answers
211 views

Feeding a population on sugar

Population: 50000 humans Average age: 46 years Forced caloric intake: 2400-2900 kilocalories for males and 1600-2000 kilocalories for females of which 80% coming from carbohydrates 5% from fat and ...
3
votes
2answers
385 views

How many farmlands would a city need to be self-sufficient?

The setting is in a fantasy world, in medieval like times. There are big cities, with giant walls around them. The cities are connected through underground tunnels. Say these cities have farms and ...
3
votes
3answers
406 views

Speeding up bone digestion

My Kepler Bb humanoids have 2 stomachs for multiple reasons, 1 of which is the digestion of bone. When it comes to bone digestion, the bone is chewed up and goes through the esophagus into the first ...
3
votes
2answers
244 views

Deploying a surgery that lets people eat grass

Suppose some brilliant scientists devise a surgical operation which allows a human to eat, digest, and gain nutrients from grass, leaves, and all those indigestible plants. The operation costs $1000 ...
3
votes
4answers
320 views

Feeding an army by mobile farming

A small yet extremely wealthy (modern day equivalent) warlord is attempting to move her 10,000 strong army on a journey that will take at least 2 years (not space travel though). The exact distance ...
3
votes
2answers
160 views

Would enabling a human to chew his cud make him lose weight or gain weight?

In a universe where humans can take elective surgery to render themselves ruminents, what would be the effect of that surgery in regards to weight? To keep things simple: The surgery involves the ...
3
votes
3answers
294 views

Storing meat on the outside of a spacecraft

Could space travelers save space inside their craft by trailing freeze-dried meat on a rope (space tether) behind their space pod? Presumably nothing would be able to get it out there, and it wouldn'...
3
votes
3answers
496 views

Feeding the griffin: Determining approximate food requirements for mythical creatures?

I'm trying to build background information for a tabletop game and one of the things I wanted to have be a factor was upkeep such as keeping creatures fed. I am intending for players to be able to ...
3
votes
2answers
238 views

Is it possible to synthesize a nutritional food source entirely from electricity to replace land based agriculture?

Lets say you have a geothermal or nuclear power plant and nearby you have system which converts that energy into nutrient porridge. This nutrient porridge must have everything the human needs to ...
3
votes
3answers
176 views

Efficiency of Food Absorption

I have this alien race, lets call them Amorphs, to imagine just think of an amoeba mixed with a spook fish. They are surrounded by thick, clear, blue membrane with the internal organs showing, and the ...
3
votes
1answer
147 views

How can we live off of all the food [closed]

Just today, I noticed I had some hotdog buns in my fridge that I had left over from the hogdogs I previously ate. You know, the two extra right? Well it's been 2 months since and I forgot buns so I ...
3
votes
4answers
378 views

How would a group of floating medieval kingdoms sustain themselves

I started creating a world where benders exist - people who can control the elements earth, air, fire and water. All benders control their element by using their "mana" to control it. They can't ...
3
votes
2answers
274 views

The empire built on sugar

I have this interesting idea for my world - note: while it is inherently science fiction, I've made a method that allows any kind of civilization, from pre-agricultural to post-singularity. So, a ...
3
votes
2answers
110 views

Spices and Foods to Trade [closed]

Assuming a medieval setting, what kind of spices, foods, seasonings etc. . . are available to trade. Handwave transporting them and assume any and every possible biome to choose from. EDIT: Okay so ...
3
votes
4answers
270 views

Would multiple sapient species with similar diets cooperate or compete?

This is connected to a previous question, found here: Realism of a setting with several sapient anthropomorphic animal species Presume that due to outside interference with evolution, a planet has ...
3
votes
3answers
252 views

What's a word for a dragon who eats only nonintelligent animals? [closed]

I want to run an adventure in which the heroes encounter a bronze dragon. She wants to reassure them that she's not going to eat them, so she says: "Don't worry, I'm a stupidtarian!" (An eater of ...
3
votes
4answers
101 views

What happens if a colony needs a specific supplement to survive?

Let's say it's the 1500s, and a new continent is discovered; people flock there to settle, farm the land, and collect the many natural resources there. Think the discovery of the Americas, for ...
3
votes
0answers
168 views

What can I cook/create to convince a medieval person that I'm a magician? [closed]

Time reference: 16th-ish century. Magic does not exist, and the story is well-grounded in real laws of physics. Backstory: I want to convince the king of my country that I'm a magician (for reasons ...
3
votes
0answers
105 views

What Would Be The Most Common Food Staples For A Tilted Earth [closed]

On this planet, which resembles Earth but tilted so that Africa is now the north pole and the middle of the Pacific is the South pole (the geography are quite similar to the world of Jaredia over on ...
3
votes
0answers
69 views

Tomato growth in different systems [closed]

I am an architecture student, currently working on my master thesis on the topic of urban farming. I am not doing a research on tomato production in order to determine what system would be the best ...
2
votes
6answers
702 views

For some reason, humans no longer need to eat food, but it still tastes good. What happens to the food industry?

With necessary food gone, I expect most cheap foods just meant for nutrition would disappear. But many people still eat for pleasure. How does this impact the food industry? What (if any) foods or ...
2
votes
4answers
196 views

War on candies (or on other threats to modern, affluent people)

I need some societal ills/threats that nowadays are being treated as mostly neglected, but in a near future one could imagine a proper moral panic and attempts to eradicate it (regulate, properly ...
2
votes
2answers
276 views

Feasibility of domesticating herds of carnivores

In the real world we live in, people mostly domesticated herbivores like cattle. Some of the reasons for this are: They are efficient in terms of cost and profit. A cow simply takes in grass which is ...
2
votes
2answers
517 views

Can we make all the cockroach and mosquito extinct by eating them? [closed]

Suppose there is a world like Earth, except the dominant cultures of the planet enjoy eating cockroaches and mosquitoes. Humans have driven plenty of animals to extinction. Is it possible for humans ...
2
votes
5answers
323 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 ...
2
votes
3answers
265 views

Life without excretion?

Is it possible with some chemicals as intake for humans to completely convert the food/chemical to energy to survive? This is similar to when we are talking about clean energy where water and some ...
2
votes
6answers
327 views

Food sources for engineered spaceborne life forms

Years ago, I was tinkering around with the idea of an engineered life form which could survive the vacuum of space and be made into a starship. I have since given up on the idea, but curiosity is ...
2
votes
3answers
296 views

How plausible is a photosynthetic parasite that targets animal hosts?

Real parasitic plants target only plant hosts and in certain species fungal hosts. How plausible are parasitic plants (or algae, lichen, or other photosynthetic organisms) that targets animal hosts ...
2
votes
1answer
318 views

What animal could be used to make imitation human meat?

So, a large family, called the Os family, open up a restaurant called “The FeedBag”. Built inside a repurposed banquet hall, guests can have all the finest, most luxurious cuts of meat available. Most ...
2
votes
6answers
311 views

Moral implications or ethics violated of eating other Sentient races in a fantasy world [closed]

A follow up of my question Cannibalism - Does Eating other sentient creatures makes you a cannibal What would be the moral implications and Ethics violated when you eat other sentient races. Given ...
2
votes
1answer
548 views

Could humans make honey in the same way that bees make honey?

I was thinking of a situation in which humans try to collect a lot of nectar in order to produce honey. Some of the people then drink the nectar and then regurgitate it back out and then they use ...
2
votes
2answers
205 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 ...
2
votes
6answers
369 views

What food would be 3D printed to solve hunger?

In my world, humanity has made the ultimate invention: A machine that takes raw elements and converts them into anything one desires, like a universal 3D printer. The only thing it needs is a supply ...
2
votes
5answers
375 views

If pigs could fly

It's an old joke but how would it actually affect the food chain and our everyday lives? Note There are other threads about flying animals and characters but I haven't found one that deals with the ...
2
votes
2answers
71 views

Animals migrating north from Africa after meteor hit Earth - era of 'ice' [closed]

To eleborate on my question asked here - Light Emitting Animals - What happens to the food chain? where every animal has evolved / produced a light emitting organ. Scenario - 200years after my first ...
2
votes
3answers
186 views

What tiny animals pose a threat to the survival of microscopic humanoids? (Series)

In my world, there is a race of microscopic humanoid organisms (200 μm - 220 μm) who live on land in a neotropic suburban area. They live on plants, leaf-litter, trees, rocks, etc. Given this ...
2
votes
2answers
509 views

About how much food would a restaurant have on hand

I've got a scenario where a restaurant and its customers & staff are transported to another world. The question is: About how much food would they have on hand? The restaurant in question has ...
2
votes
2answers
168 views

How large would a Yacht need to be in order to support a crew? [closed]

The Yacht (I am using the term Yacht for the design style/aura I have in mind) needs to produce enough food and water for a crew of 40 permanent residents and up to 30 additional passengers at a time. ...
2
votes
2answers
203 views

Is it possible for a creature to regurgitate all waste products in the form of a pellet?

I am designing a rather sizable (~ 2000 kg) carnivorous predatory species and I want it to expel all the waste it produces in the form of dry, compacted pellets (similar to owl pellets, except of ...