Why grocery stores play music while you shop

Inside the rise of focus music

Any casual YouTube or Spotify user has likely stumbled upon a playlist called "lo-fi beats to study and relax to" while searching for new music. Those "lo-fi beats" actually represent a growing genre of music called "focus music." Spotify, for instance. saw a 50% increase in listening time for focus playlists in its 2023 Wrapped report. This article explains why productivity tunes are on an upswing right now. Read it here.

The science behind why some noises have color names

Different noise colors (white, brown, pink, blue) have been proven to affect mood and focus. An audiologist explains that these sounds are named after specific light wave frequencies. While individual preferences vary, certain noises consistently impact sleep, stress reduction, cognitive performance, and problem-solving. The article highlights how these sounds can enhance productivity, relaxation, and even gaming experiences.

Dollar stores often place staple items at the back of the store

This forces customers to encounter other, less-necessary items on their way there, leading to impulse buys. This video explains other ways that dollar stores make money while selling extremely cheap products, keeping dollar store profit margins relatively high.

Playing music enhances the creation, storage, and retrieval of memories

Scans of the brains of individuals who play instruments have shown enhanced connectivity between multiple brain regions—visual, auditory, and motor cortices—and the corpus callosum, which connects the two brain hemispheres. These complex connections are strengthened through practice and then used in other activities that involve both logic and creativity. The brains of musicians also appear to give experiences multiple types of memory tags, such as audio, emotional, and conceptual, improving their processing.

Music may give some of us the chills and goose bumps—perhaps because it shocks us

The science is still unsettled about why music can trigger a chill down your spine, formally known as frisson, but one theory is that anything surprising to the nervous system—including sudden beat drops or unexpected harmonies—stimulates a type of alarm response that gives rise to this feeling.

Taylor Swift's one-note melody increases her relatability

Despite music’s variety, a few musical elements have been scientifically proven to make a song compelling to listeners. Swift's one-note melody helps her songs mimic the cadence of speech, assisting in her storytelling and accessible image.

The surprising and strange sources behind 12 famous songs

Britney Spears's "Toxic" borrowed strings from a 1981 Bollywood film, Billie Eilish sampled The Office, and one duo made an entire album using only the sounds of their Whirlpool washing machine. Explore how sampling can pull from pretty much anywhere.

A technological breakthrough altered how Billboard determined what was popular

Before 1991, retail stores manually reported sales to Billboard, which then used those figures as part of its calculations for its weekly charts. In 1991, the magazine began using Nielsen SoundScan, a technology that tracked every unit sold in participating stores, providing a more accurate picture of what consumers were actually buying.

Squeaky toys mimic prey sounds, appealing to dogs' hunting instincts

Squeaky toys provide instant feedback and gratification, and they can also prevent boredom and improve canine dental health. Some toys contain seemingly silent squeakers that use ultrasonic technology to emit sounds only audible to dogs.

Koji Kondo composed the game’s iconic soundtrack with a limited palette of sounds

The game’s soundtrack and effects were limited by the Nintendo Entertainment System’s 8-bit hardware, which had significantly fewer sounds than a typical synthesizer. That didn’t stop Kondo from writing some of the most recognizable video game music in history.

Expanding supermarket chains began offering coupons to attract customers in the 1940s

This was partially a customer acquisition strategy devised to lure customers into chains and away from their local independent grocers.

Winning (or losing) a Grammy can impact the music an artist makes

A group of sociologists wanted to understand the impact the Grammys have on artists' musical output. They discovered that winning a Grammy often emboldens artists to release music that deviates from their own previous work and others. Nominees who lose do the opposite and trend toward the mainstream.

Inside a company making millions on retro, refurbished technology

Retrospekt is one of the many companies flipping old, fan-favorite technology like Polaroids, cassette tapes, and Tamagotchis. Studies show that nostalgia can make people spend money and is one of the driving forces behind the demand for second-hand gadgets.

Temu uses gamification techniques to encourage customers to shop on its app

Games include a spinning roulette wheel that offers coupon rewards, promises free delivery, and more. Some have said it’s tough to pull themselves out of the Temu ecosystem once they’re in it.

The average grocery trip in 2025 totaled $150.84, up 3.6% from the previous year

That's according to data from Consumer Affairs. Some prices, like for specific sodas and breakfast cereals, increased by more than 20% over the same time period.

Why processed foods can be so addictive

In recent years, many critics have voiced their concerns about the food industry and how ultra-processed foods affect our health. Despite our awareness of these issues, processed foods are still incredibly hard to remove from our diet. In this podcast by The Guardian, Dr. Chris van Tulleken explains how “junk food” is created to get us hooked, how it negatively affects us, and what we can do to improve our eating habits.

Trader Joe's hired a college student to advise on health food lingo

The grocer jumped into the 1970s health food movement by selling granola, fresh juice, nuts, and raw milk. Joe Coulombe, the company’s founder and namesake, hired “a young hippie woman” from the University of California at Santa Cruz to teach employees the language of the health food movement to properly label their products.

Smart city systems can increase positive feelings toward local government

A 2018 study analyzed 50 global cities to determine whether smart city technologies enhance residents' quality of life. It found that these technologies can decrease the time spent interacting with healthcare and government by 45% to 65%, while also decreasing the disease burden by 8% to 15%.

A century of Billboard issues documenting the evolution of popular music.

Words used in cannabis business names

As selling recreational cannabis becomes legal in many states across the US, cannabis dispensaries are increasingly common. While one might expect each of these dispensaries to have vastly different names, one study found that the names have some consistent similarities. Businesses with "beach vibes" or "green" in the name seem particularly common. Explore the full data visual here.

Sun Ra and his band operated a grocery store in Philadelphia

Ra arrived in Philadelphia in 1968, settling into a home in the city's Germantown neighborhood with his band, the Arkestra, where they would practice for hours on end. The ban also operated a grocery store called Pahroah's Den, which sold produce, candy, and Sun Ra records. You can see scenes from the store, along with several astonishing performances, in the 1980 documentary "A Joyful Noise."

Mardi Gras has inspired several songs

New Orleans is a historic music town—with deep-rooted jazz, R&B, and blues traditions, to name a few—so it's no surprise that its annual Carnival has led to more than a few Mardi Gras-themed songs through the decades. One of the most famous is Professor Longhair's 1959 track "Go to the Mardi Gras," an upbeat shuffle that's still played at parades today.

Umami synergy—combining glutamates and nucleotides—can amplify a meal

While glutamates are known for triggering the umami taste through specific taste receptors, nucleotides like IMP and GMP can bind alongside glutamates to enhance the receptor's response. This union explains why certain classic food combinations like bacon and eggs taste exceptionally savory.

Fish populations in the Great Barrier Reef have increased after installing waterproof speakers on the ocean floor that played recordings of sounds from healthy coral reefs.

Listening to K-pop in North Korea is punishable by execution

As far as we know, North Koreans are instead listening to music that serves as public service announcements or some catchy electronic music for dancing.

The mesmerizing harmonies of Georgia's 'singing village' feast

Listen along to a polyphonic feast in Georgia known as a Supra. The event is a long-held tradition in the "singing village" of Lakushdi, featuring intricate, stunning musical harmonies sung by attendees and performers. Learn how the singing is learned and performed and participate in the feast from afar with this fascinating podcast.

A history of the radio jingle

As the radio became a fixture in American households, advertisers recognized the airwaves' commercial potential. Inspired by 19th-century commercially minded poems, the radio jingle was born in 1926 with the ditty "Have You Tried Wheaties?" This guide from the University of Maryland walks you through the evolution of the form, with recordings of its earliest earworms.

One disco producer saw 'Star Wars' four times on its opening weekend and was so inspired that he recorded the album 'Star Wars and Other Intergalactic Funk,' which produced a chart-topping single.

Fast-casual restaurant Chili's is experiencing a resurgence, with its parent company recently reporting a nearly 32% increase in sales, thanks to passionate Gen Z fans on TikTok.

Netflix profits when you're not watching, and its movies are designed that way—read a detail-rich critical essay exposing lesser-known Netflix takes

70 years ago today, city officials in Santa Cruz, California, banned rock 'n' roll to protect its youth from corruption after witnessing a 'provocative' concert the night before.

Explore an interactive map built from more than 100,000 survey responses on where people find joy in their lives

Studies suggest when you sleep is as important as how much you get, and syncing with your circadian rhythms may lead to less fatigue and improved long-term health outcomes

A small portion of The Winstons' 'Amen, Brother,' an obscure '60s gospel record, is the basis for thousands of hip-hop tracks, making it one of the most sampled records ever that's informally known as 'the Amen break.'

Up to a million Girl Scouts sell about 200 million cookie boxes every spring, generating $800 million, largely because refusing a child is frowned upon

'Silent' fireworks have gained more interest in recent years as a quieter celebratory option.

When a Paris department store hesitated to sell Estée Lauder's perfume, she 'accidentally' broke a bottle, causing the smell to spread throughout the store and shoppers to start asking to buy the scent.

Dozens of S&P 500 stocks, including Coca-Cola and Walmart—known as the dividend aristocrats—have increased dividends every year for 25 years

'Shogun,' a 1980s TV series, helped popularize sushi in the US by stimulating an American interest in Japanese culture.

A pickleball's loud 'pop' sound can reach 120 decibels, which is equivalent to a hammer hitting a nail

The 1987 Nintendo video game 'Stadium Events' isn't known for being particularly fun, but its scarcity has made it a highly sought-after item that has sold for up to $35K at auction.

Play the role of a student in a game where you try to navigate college and remain debt-free, selecting different income levels, high school experience, race, ethnicity, and more.

Mid-century modern graphic designers, known for their bright colors and bold lines in advertising, also found success with children's books.

The Ramones' 'Pet Sematary,' the theme song for the Stephen King novel of the same name, was written while the band was admiring the writer's collection of horror memorabilia.

Stars appear to twinkle because turbulence in the motion of molecules in Earth's atmosphere causes light to bend and wiggle rapidly on its way to the surface—a phenomenon called scintillation.

The word 'jazz' evolved from 'jasm,' 19th-century American slang for 'energy'

The price of gas is a composite made up of several different factors, with the federal gas tax making up less than 20% of what drivers pay at the pump.

See how Budweiser's famous Clydesdales spend their days at Warm Springs Ranch, where roughly 70 to 80 of the beer brand's giant horses can be found at any given time.

The history of many kitchen appliances involves unexpected discoveries and applications, including wartime radar turned hamster defroster and replacing an 'ice king' with heat-stealing boxes.

Gerrymandering works through two techniques: cracking opposing voters across districts to dilute their power, and packing them into a few to waste their votes in lopsided majorities.