Food: quotes, facts and reflections - Page 2

Related subjects

Browse this subject and connected topics.

Cards are connected by subject and reading mode. Continue below or open a related subject.

DriveReading mode

StillnessReading mode

WonderReading mode

Q1770

WonderEvolution

Lactase persistence, the adult ability to digest milk sugar, evolved in some dairying populations as culture created a new selection pressure.

Most mammals, including many humans, reduce lactase after childhood. But when some communities began herding milk-producing animals, fresh milk became an adult food with real survival value. Genetic variants that kept lactase switched on spread in several places, not as a simple universal story but as a beautiful case of gene-culture coevolution. A custom changed the environment; the body answered.

Lactase persistenceRead card

Q1796

WonderEvolution

C4 photosynthesis evolved independently many times, concentrating carbon dioxide inside leaves and helping plants such as maize and sorghum thrive in hot, bright conditions.

C4 photosynthesis is biochemical architecture. Instead of accepting the wastefulness of ordinary photosynthesis under heat and low carbon dioxide, C4 plants evolved a way to concentrate CO2 around the enzyme that fixes it. The pathway appeared repeatedly in different plant lineages, which makes it an evolutionary refrain. Some of humanity's most productive crops carry that refrain in every leaf.

C4 photosynthesisRead card

Q1816

WonderNature

Leafcutter ants do not eat most of the leaves they harvest; they process them into a growing medium for a domesticated fungus that feeds the colony.

A leaf fragment is not dinner; it is substrate. Workers clean, chew and inoculate plant material inside climate-managed chambers, then weed and defend the fungal garden. The colony behaves less like a line of foragers than a distributed agricultural system—one whose crop and farmers have shaped each other's evolution for millions of years.

Leafcutter antRead card

Q1823

WonderNature

The leaf-eating hoatzin relies on microbes in an enlarged foregut to ferment tough vegetation, an unusual digestive strategy among birds.

Leaves are abundant but chemically defended and difficult to unlock. The hoatzin delegates the work to a microbial community in its crop and oesophagus, where fermentation begins before food reaches the stomach. That swollen machinery crowds the flight muscles; the bird's famously awkward flight is part of the price of turning foliage into fuel.

HoatzinRead card

Q1828

WonderBiology

Cultivated sweet potatoes naturally contain expressed DNA transferred long ago from Agrobacterium, making them a striking case of natural transgenesis.

Agrobacterium is famous in laboratories because it can insert DNA into plants. Genome studies show that nature had already done so in sweet potato ancestors, and some transferred genes remain active. Their fixation in cultivated lineages may have mattered during domestication, but researchers are still testing which plant traits—if any—those ancient insertions helped shape.

Sweet potatoRead card

Q1936

WonderFood

Injera batter is fermented—traditionally with a starter carried from an earlier batch—then cooked on one side until bubbles open into the soft, absorbent surface known as eyes.

Teff often gives injera its structure, although households also work with other grains and blends. During fermentation, microbes sour the batter and fill it with gas; on the hot griddle those bubbles set into a porous sheet strong enough to carry stews and tender enough to tear by hand. The same surface serves as food, utensil and shared table. A saved starter links today's meal to the last one, making continuity something tasted rather than announced.

InjeraRead card

Q1937

WonderFood

Xochimilco's chinampas are raised fields built from lake sediment and organic matter, threaded by canals and often edged with ahuejote willows that help hold the banks.

Calling chinampas floating gardens hides the labour that makes them stable. Farmers dredge nutrient-rich canal mud onto constructed plots, manage water at the field edge and use rows of slender willows as living reinforcement; the canals also create habitat and temper local conditions. This is agriculture as a negotiated boundary between land and lake, not the conquest of one by the other. Its survival inside Mexico City depends as much on defending water and farming communities as on admiring an ingenious form.

ChinampaRead card

Q1938

WonderFood

Pacific voyagers carried selected breadfruit plants between islands for thousands of years, establishing long-lived food trees and hundreds of locally named cultivars.

A canoe carrying breadfruit carried more than calories. Many prized cultivars had to travel as living shoots or rooted plants, demanding moisture, protection and the confidence that someone would tend them after landfall. Once established, the trees could feed communities for generations within layered agroforestry systems. Their distribution maps a form of navigation measured not only by where people reached, but by the edible futures they deliberately planted there.

BreadfruitRead card

Q1939

StillnessFood

Across Algeria, Mauritania, Morocco and Tunisia, cooks roll moistened semolina into grains and steam them, preserving distinct local methods inside a widely shared meal.

Couscous begins before the pot: semolina is moistened, rolled by hand, separated into grains and prepared for steaming, a tactile judgement learned through observation and practice. Broths, vegetables, meats, seasonings and occasions vary across regions and families. Its UNESCO recognition came through a joint nomination by four countries, an unusual act of cultural diplomacy. The dish offers a mature model of belonging—shared deeply, made differently, owned completely by no single border.

CouscousRead card

Q1940

WonderFood

During tempeh fermentation, Rhizopus fungi grow a white network of mycelium through cooked soybeans, binding separate beans into a firm cake while transforming flavour and texture.

Tempeh is often described as fermented soy, but its structure is as important as its flavour. The fungus grows between the beans, its fine filaments making thousands of biological joins while enzymes reshape compounds in the soy. In Java and across Indonesia, makers learned to manage heat, moisture, airflow and inoculum long before the organism had a laboratory name. Fermentation here is neither decay nor mystery; it is a cultivated partnership whose success can be lifted from its wrapper in one piece.

TempehRead card

Q1941

WonderFood

Garum and related Roman sauces were made by salting fish and allowing enzymes and microbes to break the flesh into a savoury liquid traded throughout the empire.

Garum was not one standard recipe but a family of fish sauces and pastes sold in different grades, from everyday seasoning to branded luxury. Salt controlled the fermentation while enzymes in the fish liquefied tissue, concentrating savoury compounds long before anyone named umami. Jars from Pompeii carry painted labels identifying contents and makers; the producer Aulus Umbricius Scaurus even displayed sauce containers in a floor mosaic. The condiment reveals an ancient market already fluent in processing, reputation and packaging.

GarumRead card

Q1942

DriveFood

Cassava contains cyanogenic compounds in varying amounts, so established methods such as peeling, grating, soaking, fermenting, pressing and drying are vital parts of making it safe.

Cassava thrives in difficult conditions and stores useful energy underground, but its roots cannot be treated as a universally ready food. Cyanogenic compounds differ by variety and environment; no single preparation step fits every product. Across Africa, South America and beyond, communities developed multi-stage processes that rupture cells, dissolve or expel compounds and allow volatile cyanide to escape. The staple's reach rests on agricultural resilience and on culinary knowledge precise enough to turn hazard into nourishment.

CassavaRead card

Q1943

StillnessFood

Indigenous peoples of the Eastern Woodlands harvested spring maple sap and concentrated it into sugar long before Europeans arrived, developing the knowledge newcomers later adopted.

Maple sap runs during a narrow swing of freezing nights and milder days, turning weather knowledge into a harvest calendar. Indigenous makers cut or tapped trees, gathered sap in bark containers and concentrated it with heated stones or boiling, producing transportable sugar as well as syrup. European settlers learned from these practices and later introduced metal tools and large-scale equipment. The familiar bottle therefore begins with older expertise: how to read a forest precisely at the moment it changes season.

Maple syrupRead card

Q1944

StillnessFood

In southwestern Morocco, argan oil production moves through harvesting, drying, pulping, cracking, grinding and mixing—skills traditionally transmitted among rural women.

The hardest-looking moment is cracking the nut between stones, but argan knowledge lives in the entire chain: when to gather fruit, how long to dry it, which kernels to roast for culinary oil and how to judge paste and water by touch. The oil enters cooking, body care, remedies, hospitality and wedding exchange. Its value is inseparable from the argan woodlands and from the people who maintain the practice. A marketable product sits at the end; ecological and social judgement begin much earlier.

Argan oilRead card

Q1945

DriveFood

Indigenous makers pounded dried bison meat and mixed it with rendered fat, sometimes adding berries, to produce energy-dense pemmican that kept well on long journeys.

Removing water from lean meat slowed spoilage; enclosing the powder in warm fat added energy and protection, creating provisions suited to winter, travel and uncertain supply. Plains peoples developed this food long before commercial fur companies depended on it. Métis producers later organised large bison hunts and supplied brigades moving through the interior, making pemmican part of a colonial economy with immense appetite. Its efficiency should be admired alongside the harder history of extraction that grew around it.

PemmicanRead card

Q1983

WonderBiology

Janaki Ammal used cytogenetics and hybridization to help breed sugarcane suited to Indian conditions, while advancing the study of chromosome numbers in cultivated plants.

India once relied heavily on imported sugar despite growing extensive cane, because many local plants had lower sugar content. At Coimbatore, Ammal studied wild and cultivated relatives and used their chromosome patterns to guide crosses adapted to the climate. Her later atlas with C. D. Darlington turned chromosome counts into a reference map for plant breeding around the world.

Janaki AmmalRead card

Q2018

DriveHistory

Julia Child could barely cook when she married at 34. She enrolled at Le Cordon Bleu in Paris at 37, and after one publisher rejected her manuscript, 'Mastering the Art of French Cooking' appeared in 1961 — when she was 49.

The book was written with Simone Beck and Louisette Bertholle over nearly a decade. Houghton Mifflin turned it down, reasoning that Americans wanted something quick from a mix; Knopf took the risk. Child was 51 when her television programme began, waving knives and dropping food with cheerful honesty. The lesson she embodied was simple: appetite for learning matters more than an early start.

Julia ChildRead card

Q2024

DriveHistory

After the credit association he chaired collapsed in 1957 and left him nearly penniless, Momofuku Ando spent a year experimenting in a backyard shed in Osaka. In 1958, at 48, he launched the world's first instant ramen.

The breakthrough came from watching his wife fry tempura: flash-frying noodles in hot oil dried them into a block that boiling water could revive in minutes. Chicken Ramen launched on 25 August 1958. Ando wasn't finished — at 61 he invented Cup Noodles after watching Americans break his noodles into paper cups. He worked into his nineties, and Japan has repeatedly voted instant ramen its proudest invention of the twentieth century.

Momofuku AndoRead card