Questions tagged [food]

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

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7
votes
3answers
202 views

Technology to produce food without land, what will happen with the land next?

Let's say we have the technology to produce all of the human food in factories without the need for land (i.e. Solarfood, Memphis Meats). Right now, there is about 50% of all habitable land use for ...
7
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4answers
254 views

How long could an alien species survive at sea?

The species in question are Herbivores, bipedal in nature, around 50 to 80 pounds on average, and require around 2250 calories per day to stay healthy. The ships these populations would live on are ...
7
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3answers
540 views

Mythical dragon diet

Would it be realistically possible for a firebreathing dragon to exist on an omnivore diet, but only eat fish as the main source of meat? The dragon is at this time in my story, a juvenile and can ...
7
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4answers
500 views

Anatomically Correct Zombie

As requested by JBH, I edited this question to fit the Anatomically Correct Series. The classic zombie is no mystery to anyone: undead, eats people and multiplies by biting humans. Could they ever ...
7
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3answers
354 views

Efficiency of Aquaculture in a Neolithic Society

Being inspired by the lovely concept art of Star Trek's Nibiru, I have long thought that the Nibirans would use the tiered pools for aquacultural purposes, and would like to implement tiered ...
7
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1answer
151 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 ...
7
votes
1answer
181 views

Aquiring caffeine after the apocalypse?

The world is mostly safe now, but everything has been scavenged from the old world. I live where winter always reached -20F or lower outside. Our colony has a hundred people and a few working ...
7
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2answers
262 views

Which crops to save to best ensure survival?

You're in a group of colonists, headed to your new home on Tau Ceti e. Due to some crazy accidents aboard the ship, the diverse flora that was brought aboard (for food during the journey and for ...
6
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4answers
640 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 ...
6
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4answers
830 views

Fastest possible toaster [closed]

The year is 2016, your budget is in the tens of billions, and your job is to create the fastest possible toaster: specifically, the transition from regular, cold slice of bread to hot, lightly browned,...
6
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3answers
320 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 ...
6
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1answer
999 views

Will these foods provide sufficient nutrition?

A few of my previous questions have mentioned that the colonists to this world will be scrambling to get whatever foods they can grow, because the planet's fauna is largely nonexistent (There's sea ...
6
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3answers
911 views

Balanced diet for a time traveler

Scenario (pick one): You accidentally travel through time Your time machine runs out of fuel or breaks Your time machine gets stolen A vengeful wizard banishes you to another time/dimension You ...
6
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6answers
417 views

Mechanisms behind different metabolisms for regular and synthetic food

In this world I'm building, a bunch of previously inactive genes in humans have started expressing, and changed newborns' metabolic system dramatically. As a result, a portion of population cannot ...
6
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6answers
428 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 ...
6
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2answers
381 views

how would the carnivorous grassland work?

This question How often must carnivorous grassland eat? was really interesting for me to read. However it made me wonder, how would the bone grass scientifically kill? (is there a way to really make ...
6
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3answers
419 views

What would ancient Horn-of-Africa sailors eat on ship?

In my universe, the Horn of Africa is the hub of magical and technological advancement before its downfall in approximately 1 BC. What would ancient merchant sailors eat on a third rate ship (think ...
6
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2answers
426 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 (...
6
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2answers
301 views

How do I get naturally occuring diamonds/precious stones in cheese?

"The most sophisticated of the galactic elite crave the most exotic delicacies and few come more exotic or delicious than diamond cheese. This cheese made only on a small agrarian world on the outer ...
6
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2answers
217 views

Maximum size of a pre-industrial city without domesticated fauna

In a previous question I asked what the impact of lack of above-ground fauna would be on an industrialized society, such as with a tech level of 1940s-1950s. While it largely wouldn't impact such a ...
5
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8answers
4k views

Would a decentralized food system be a better option for the world?

The current food system has many flaws. To list just a few: 1) The food industry is almost completely centralized, meaning that it's being controlled by a handful of multinational corporations that ...
5
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2answers
1k views

How long would it take for Earth to be eaten to its core? [closed]

If the Earth was edible, and was the sole source of food for its inhabitents, how long would it take for people to eat themselves off the planet? Assuming a biblical creation story (a man and a woman)...
5
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8answers
836 views

How much of a pre-industrial country consumed food can come from importation?

They do not have access to fast and reliable transport options like steam boats, trains and do not use fossil fuel. They can only rely on the power of the winds and water currents for long distance ...
5
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7answers
337 views

Proper technique for eating grass?

In my world, a species of vertically challenged humanoids spreads out from their island homelands to the wider world, entering the interspecies race for global dominance. Now, this species of ...
5
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4answers
235 views

How can an individual that consumes the biomass of others not experience any weight gain?

An artificially created organism called a symbiote has escaped from a research facility and has infected a human host. It has given this human new abilities, including super strength, speed, ...
5
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3answers
370 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 ...
5
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3answers
272 views

Could humans survive off a single food block

Could humans permanently live off a single food-like block, made of various edible materials, which contains all their daily requirements of calories, vitamins, and minerals? Preferably is there a ...
5
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2answers
209 views

How would the anatomy of a metal-eating bug work out?

Background: The creature is bug-like, and similar to an armadillo in size. Its diet consists of metal, and is found underground in large colonies. It uses the metal it ingests to: Enhance it's shell ...
5
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2answers
293 views

Can a large animal get nutrition from minerals?

Lithotrophy is a phenomenon known from microscopic life, where an organism converts inorganic substances, usually minerals, into energy. So, we know that a single-celled life form can do this, but ...
5
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1answer
250 views

Light Emitting Animals - What happens to the food chain? [closed]

In my world, an event has happened, some nuclear fall-out caused every animal to grow a special organ that emits light, but I'm wondering what effect that would have on the Food Chain? The world I'm ...
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3answers
233 views

Cooking using nuclear bombs [closed]

This question is completely just for fun! :) So in one of my classes, some boys on an another table were debating whether you could toast a marshmallow for smores using a nuclear blast from a nuclear ...
5
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1answer
121 views

Caloric intake for oversized unicorn

How much daily food would a particularly immense unicorn need? My character is a unicorn - not one of those MLP pony unicorns, but a true, real-life unicorn. As such, he is based on commonly accepted ...
5
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2answers
74 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 ...
5
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2answers
206 views

Poor People Living On Farm-In-A-Box Tech?

It's 2040. Fusion energy's starting to become widespread and solar's gotten better. AI and robotics (and brain uploading, as with these guys) have reached the point where a robot can do any job a ...
5
votes
1answer
568 views

Practical concerns of traveling with terror birds as mounts

Briefly on world setting: Roughly classical age technology, magic is rare, difficult and shunned, flora and fauna is inspired by a remix of the Neogene period. Practical concerns for long distance ...
5
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4answers
312 views

What properties would make a plant ideal for use on a space ship?

What properties of a species of plant would make it the ideal choice for taking it on a year-long trip through space as both an oxygen source and food source? We should assume that the amount of ...
5
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4answers
661 views

What edible organisms grown in hydroponics on Mars will create most complete diet?

NASA has sent a crew of 100 people on Mars to start a colony. The crew was in cryogenic sleep during their trip to save food and water. And after the 6-month journey, they have reached Mars. My ...
4
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4answers
2k views

How long diversified food can be stored with early Middle Ages technology?

It takes place in a world with the knowledge and the technology similar to the early Middle Ages. The climate is moderate. People had to store a large amount of food for a long time. The food should ...
4
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7answers
1k views

Transhumans that replace eating with breathing

We are in a far future setting where humans (or transhumans I should say) achieved two things: be able to modify themselves genetically to the point where they can have completely different organs to ...
4
votes
3answers
759 views

What kind of food would be common on a tropical rainforest/ocean planet? [closed]

I have an alien planet with the entire world landmass arranged in two giant rings roughly 10 degrees north and south of the equator. Everything above sea level is beach or tropical rainforest. The ...
4
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5answers
419 views

How to minimize risk of infection from raw meat?

Members of an intelligent alien species who have a generally current day Earth level of technology, essentially only eat raw meat freshly extracted from recently killed lifestock (and by "recently" I ...
4
votes
3answers
350 views

is it possible for a kingdom to live off of rice, beans, eggs, potatoes, and chicken, and general food from foraging and hunting?

my question is literally right there. the general amount of people is about 2500 people. 1000 are men, 1000 are women, and 500 are kids. whatever farm area amount is required, I won't mind. as long as ...
4
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3answers
215 views

A world of animals and cannibalism, is it plausible?

So, one of my universes, is basically a 70’s retrofuture inhabited by anthropomorphic animals. They’re animals, for the purpose of creating a fragile civilization, as well as its themes of “Humanity ...
4
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3answers
174 views

Middle of the food distance spectrum, plausible?

My Kepler Bb humanoids are in the middle of a spectrum that goes from complete hunter gatherer (and thus having to go long distances for food and rely on ketosis to survive) to complete agriculture (...
4
votes
4answers
371 views

Nomadic Tribe of Herders - Source of Carbs/Other Nutrients?

Where would a tribe of nomadic herders obtain their daily carbohydrates and other necessary nutrients? Naturally they have access to protein and fat through their livestock, but what about the other ...
4
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3answers
2k views

If you have to survive for 30 days eating only one vegetable, what vegetable should you eat? [closed]

Your best friend offers $3000 in gold coins if you can survive one month (30 days) by eating only one vegetable. During the one month period, you will be quarantined in your own home, and any edible ...
4
votes
5answers
698 views

Food economy of pre-civilization carnivorous humanoids

Imagine a race of humanoids who only eat meat, and are unable to digest vegetables. Is it possible for these humanoid to be able too create/gather enough food(meat) to the point that job ...
4
votes
3answers
320 views

Human Blood as tradable nutrition in post-apocalyptic setting?

I hope that this question qualifies for worldbuilding. Take my apologies if it's too specific / not specific enough. In a post-apocalyptic desert-like environment with only a few million people left ...
4
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2answers
288 views

How would food availability and distribution for humans be like if bacteria evolved to resist cold and heat?

Today mankind rely on food's refrigeration and heating to produce in large scale and be fed. This only works because high and low temperature in processes like UHT and others kill most of bacteria ...
4
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4answers
332 views

What average percentage of settlers is required to ensure the supply of food?

In a world similar to the earth, a new colony (let's say 1000 settlers) is installed in a wild environment without any other colonies around them (i. e. no commercial routes). The technology ...

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