Questions tagged [food]

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

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0answers
44 views

Should humans design a replacement species for themselves? [on hold]

Should humans design a replacement species for themselves so when they finally become extinct the new species can continue to inhabit the Earth? What should be the characteristics of this new species ...
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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 ...
13
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8answers
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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 ...
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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 ...
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3answers
548 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 ...
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4answers
531 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 ...
21
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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 ...
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3answers
275 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 ...
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11answers
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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 ...
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4answers
292 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 ...
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4answers
142 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 ...
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3answers
182 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 ...
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4answers
582 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 ...
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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 ...
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9answers
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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
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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 ...
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1answer
147 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 ...
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3answers
154 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; ...
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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,...
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2answers
337 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 ...
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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 ...
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 ...
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4answers
507 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 ...
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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 ...
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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?
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11answers
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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 ...
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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 ...
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0answers
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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 ...
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2answers
264 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 ...
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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 ...
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5answers
322 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 ...
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3answers
303 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 ...
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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,...
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4answers
250 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 ...
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1answer
104 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 ...
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5answers
389 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. ...
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2answers
72 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? ...
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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 ...
23
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6answers
5k views

Would “lab meat” be able to feed a much larger global population

I read a prediction that if the global fertility rate stayed at the same rate as it was in 1995 by 2150 the population would be 256 billion people. That sounds crazy, but for my sci-fi I'm rolling ...
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18answers
9k views

How to not starve gigantic beasts

If I create dragons to be castle-sized animals, how am I supposed to let them eat? Won't they need too much for an earth-like planet? I'm currently trying to build a world where a whole lot of ...
8
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1answer
269 views

What is the maximum size of a tribe living off of one whale per year?

A small village of ice miners has popped up in the Northern Territory. They are a mix of southern workers who integrated with the native tribes. The group subsists on the meat of a single humpback ...
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2answers
405 views

Farming underground

Suppose the surface of earth is -349 Fahrenheit and survivors live deep underground dependent on geo-thermal energy. They do farming in tunnels. They have enough energy (heat, electricity), fresh air (...
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7answers
1k 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 ...
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2answers
529 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 ...
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4answers
2k views

Honey as a form of currency?

I was watching Shoddycast's video on the value of bottle caps as currency in Fallout 4 today, and after having read part of Brandon Sanderson's Words of Radiance earlier this morning, my mind started ...
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4answers
753 views

Realistic Alternatives to Dust: What Else Could Feed a Plankton Bloom?

Phytoplankton are not to be taken for granted. Not only do they form the core of marine food webs around the world, they also release half of the world's oxygen. But phytoplankton, being plant-like ...
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5answers
548 views

Effective 16th century military ration system for particular fantasy race

A race of pseudo-humans army must plan a system of rations for a long campaign on a faraway land in which they cannot rely on foraging. The campaign’s expected to last somewhere between a few months ...
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6answers
383 views

Can you survive by growing and eating your clothes?

On Blue Planet 2: The Deep (at least, that is the title in the US version), there is discussion of crabs that grow bacteria on themselves as a food source. In the show, they kind of looked like they ...
37
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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 ...