Word pairs

Why we say "black and white"—and never the other way around

Image: Matteo Di Iorio

Ever wondered why we say "black and white" instead of "white and black"? Some word pairs have a fixed order due to rhythm, history, or phonetics. Though not all common word pairings have a fixed order, many do, and in most cases, this order is irreversible—at least without making it sound weird! From "salt and pepper" to "thunder and lightning," here’s why some words always take the lead.

Image: Filippo Andolfatto

"Black and white" follows a common pattern where darker colors come before lighter ones. This phrase dates back to the 14th century, referring to ink on paper. It also follows the natural English preference for short, strong sounds first.

Image: Phillip Flores

Salt grains are smaller than peppercorns, and in English, we tend to list things from small to large. The phrase likely became standard because salt, being essential for survival, was more familiar and historically more valuable.

Image: Neetu Laddha

Bread is the base, and butter is the topping. This reflects the natural sequence of how we prepare and consume food. The phrase has also become synonymous with livelihood, reinforcing its established order in speech.

Image: Johannes Plenio

Even though lightning comes first in nature—and we see it before we hear thunder—the phrase "thunder and lightning" feels more intuitive, likely because English tends to favor short, strong sounds first.

Image: Eduardo Barrios

"Give" represents an outward action, while "take" is a response. Many word pairs follow this active-passive pattern, emphasizing initiative first. The phrase has been used metaphorically since the 1700s to describe balanced exchanges.

Image: JP Desvigne

The human experience begins with daylight, making "day and night" the intuitive sequence. This ordering appears in multiple languages, reinforcing that our perception of time influences linguistic patterns.

Image: Michael Dziedzic

This phrase follows the standard English structure of presenting the problem before the solution. "Lost" sets the stage, while "found" is the resolution, making it easier for listeners to process.

Image: Timo Strüker

"Odds" has a shorter, punchier sound than "ends," following the linguistic preference for short-first phrasing. The phrase has been in use since the 18th century to describe miscellaneous, leftover items.

Image: Al Elmes

This order dates back to chivalric traditions, where ladies were introduced first out of courtesy. The phrasing became a formal standard in speeches and announcements, reinforcing its place in common usage.

Image: Ana Grave

"Rock" has a sharper, percussive sound than "roll," making it more suitable as the lead. The phrase originated from African American slang in the early 20th century before defining a genre.

Image: Piret Ilver

The phrase follows a natural scale from an increase to a decrease. English often favors sequences that rise before they fall, making "more or less" the preferred order.

Image: Ilse Orsel

People react more strongly to heat than cold, so "hot" comes first. The phrase aligns with the body's instinctive sensitivity, which prioritizes heat as a survival concern.

Image: BĀBI

"Sick" implies a physical state, while "tired" suggests exhaustion. English often places more urgent conditions before milder ones, cementing this order.

Image: Austin Neill

"This" refers to something immediate, while "that" points to something further away. English naturally prioritizes what is closer to the speaker in sequence.

UNSUNG HEROES

10 Extraordinary Individuals Who Helped Saved Millions

Image: Ben White

In the annals of history, there are hundreds of people whose actions have, in some way or another, shaped the course of humanity for the better. In difficult circumstances, these men and women were presented with the unexpected opportunity to help save others and did it without thinking twice about the consequences.

Here we'll be looking at real heroes of humanity who, throughout history, helped save countless lives.

Image: Burgess Milner

In the tense atmosphere of the Cold War, Stanislav Petrov, a Soviet military officer, found himself facing a critical decision that would shape the course of history. On September 26, 1983, Petrov was serving as a lieutenant colonel in the Soviet Air Defense Forces when the early-warning system erroneously detected incoming missiles from the United States, signaling the start of a potential nuclear attack. Despite overwhelming pressure to retaliate, Petrov trusted his instincts and reported the alarm as false, avoiding almost certain nuclear annihilation.

Image: Thomas Despeyroux

Norman Borlaug, an American agronomist, dedicated his life to combating global hunger and poverty through agricultural innovation. In the mid-20th century, Borlaug spearheaded the Green Revolution, a series of agricultural advancements that dramatically increased crop yields and food production worldwide, saving over a billion lives from starvation.

Image: CDC

Henrietta Lacks, an African American woman, unknowingly revolutionized modern medicine through her immortal cancerous cells, which were taken without her consent during her cancer treatment in 1951. Although she didn’t live to see it, her cells - now known as HeLa cells - were used in invaluable medical research and countless scientific discoveries, including the polio vaccine and in-vitro fertilization.

Image: Mufid Majnun

Although his name is not widely known, Maurice Hilleman - an American microbiologist - is credited with saving millions of lives through his development of over 40 vaccines, including those for measles, mumps, rubella, and hepatitis B. His pioneering work in vaccine research and development has had a profound impact on public health worldwide, significantly reducing the prevalence of deadly infectious diseases, and helping save as many as eight million lives each year.

Image: LuAnn Hunt

James Harrison, an Australian blood donor known as the "Man with the Golden Arm," has saved an estimated 2.5 million lives through his blood plasma donations. Harrison's blood contains a unique antibody that is used to develop Anti-D immunoglobulin, a lifesaving treatment for Rhesus disease, a condition that can cause severe complications in newborns. An Australian national hero, he made a total of 1,173 donations before reaching age 81 - the oldest you are allowed to donate blood under Australian policies.

Image: Viktor Hesse

Alexei Ananenko, Valeri Bespalov, and Boris Baranov, three Soviet engineers, risked their lives to prevent a catastrophic nuclear meltdown during the Chernobyl disaster in 1986. Despite the immense danger posed by lethal radiation levels, they volunteered to enter the flooded basement of the damaged reactor and manually open the valves to drain water, preventing a second explosion that could have had catastrophic consequences for Europe and beyond.

Image: Gab Pili

Saving the entire planet from arguably one of the largest environmental catastrophes of history, American geochemist Clair Cameron Patterson, dedicated his life to raising awareness about the dangers of lead pollution and advocating for environmental regulations to protect public health. His research on lead contamination in the environment led to the removal of lead from gasoline and other consumer products, resulting in significant improvements in air and water quality and preventing countless cases of lead poisoning.

Image: Anastasia Nelen

Joseph Lister is widely known as the father of antiseptics, but the extent to which his work helped revolutionize surgical practices and save lives cannot be overstated. Lister is responsible for introducing the first antiseptic surgical techniques in the 19th century. By simply promoting the use of carbolic acid as a disinfectant on surgical tools and hands during surgery, he dramatically reduced the risk of postoperative infections and mortality rates, laying the foundation of modern infection control measures.

Image: J V

During the height of the Cuban Missile Crisis in 1962, a Soviet naval officer called Vasili Arkhipov, found himself facing a pivotal moment that could well determine the fate of the entire world. Arkhipov was aboard the Soviet B-59 submarine discovered by American naval vessels in the waters near Cuba. Pressured by his superiors to use nuclear torpedoes against the US Navy, he refused to comply with the order, single-handedly preventing a nuclear war.

Image: Vincent van Zalinge

Rachel Carson, an American marine biologist and conservationist, was the first to sound the alarm about the dangers of pesticide use and its impact on the environment and human health. In her 1962 book "Silent Spring," Carson meticulously documented the harmful effects of pesticides, particularly DDT, on wildlife populations and ecosystems. Her groundbreaking research sparked a global environmental movement that helped save hundreds of species from almost certain extinction, including bald eagles.