How hearing protection became cool

See why wearing earbuds—instead of over-the-ear headphones—can cause ear infections

Earbud headphones can heighten the risk of ear infections. They can lead to earwax buildup and create a dark, moist environment as you sweat—ideal conditions for germs to thrive. Wearing external over-the-ear headphones or ones that don't enter deep into the ear canal can help.

See what loud noises do to inner ear hair cells

This animation illustrates how louder music can affect inner ear hair cells. Damage to these cells is generally considered permanent. Hearing protection like ear plugs can reduce the level of sound entering into the ear and help protect those cells.

See worldwide hearing loss by age group and country

This 2023 data from the Institute for Health Metrics and Evaluation shows the estimated number of people with complete hearing loss in different age groups per 100,000 people in the population. Individuals aged 70 or older make up the largest group with this type of hearing deficit.

OTC hearing aids are now available in the US and cheaper than prescription ones

The devices, available in recent years, are typically more affordable than prescription ones and are intended for people with mild to moderate hearing loss, yet surveys suggest people often don't feel comfortable choosing one on their own. The nonprofit Consumer Reports ranked available OTC options to help patients navigate the market.

Most custom earmolds for in-ear hearing aids are made using 3D printing

The technology has also been utilized for behind-the-ear and receiver-in-canal hearing aids, allowing for the creation of structures tailored to the patient's anatomy for enhanced effectiveness. 3D printing has also been used to print retinal eye cells and custom eyeglass frames.

Cochlear implants are raising questions about deaf identity and culture

The rise of cochlear implants, which are usually covered by insurance and can enable hearing for many patients, raises questions about what it means to be deaf, the effects on deaf individuals learning American Sign Language, and about deaf culture. Watch this video that discusses the controversies and spotlights a little girl who hears for the first time with her cochlear implant.

Influencers have changed what music festivals look like

One major criticism of Coachella is that it's a playground for ultrarich people, with celebrities and influencers posing for selfies at a polo club. This article dissects the legitimacy of that stereotype and argues that the backlash to it has altered the festival's cultural standing.

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.

Although no longer the dominant format, CDs are increasingly popular with younger people

The compact disc now only accounts for about 3% of all music industry revenue, but those who still purchase CDs are, generally, much younger than most would expect. A 2023 YouGov poll found that 53% of Americans were willing to pay for music on CDs. When broken down by generation, those under 45-years-old were more likely to express interest in CDs and vinyl.

The trend of onstage mishaps

In the past few years, performers have seen a rise in onstage accidents. While artists are doing their jobs, they face risks of dangerous falls, flying objects, and audience aggression. This article aims to explain why this trend may be occurring and emphasizes the importance of concert-going etiquette and adequate security.

Brain wave-reading earbuds are being used by companies to study workplace performance

Limited safeguards prevent governments from accessing and companies from sharing brain data. Foreign governments may also be developing technology to spy on and potentially disrupt human thoughts.

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

How K-pop conquered the world

How did Korean musical acts go from unpopular and at times maligned to filling arenas and creating one of the most viral music videos of all time? This 25-minute audio documentary from BBC World Service explains how social networks, plastic surgery, and government tax breaks helped turn K-pop into the multibillion-dollar global juggernaut we know today.

How the cicada entered popular music

For significant swaths of the country, cicadas are a calming summer soundtrack. In the past few decades, though, the insects' distinct sound have also entered the music world, providing drone and ambience for a range of musicians.

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.

'Blackout challenge' can cause brain damage or death in under 5 minutes

A social media trend that encourages viewers to asphyxiate themselves until they lose consciousness in the hopes of feeling "high" or euphoric has garnered the interest of teens and adolescents, with dangerous results. Variations of this deadly challenge have been adolescent trends every few years.

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

Though not really silent, the displays are quieter than traditional fireworks. They may offer an attractive alternative for people who have sensory sensitivities or for pet owners. The sound from these options can be less loud than standard fireworks due to changes in chemical composition and the inclusion of a smaller lift charge that doesn't carry the fireworks as high into the air, reducing the initial bang.

Why young people in the UK are hanging out at saunas

In the UK, Finnish-style saunas doubled from 45 to over 100 in 2024. This recent surge is driven by young people seeking healthy and affordable spaces to meet others and socialize. While Gen Z also turns to sobriety more due to costs and health concerns, these rejuvenating leisure spots are providing a perfect home to alcohol-free gatherings. Read more about the rising trend here.

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.

A 'boombox' is the cool term for a Portable Radio Cassette Recorder

The technology debuted in the mid-1960s, revolutionizing portability of recording radio and playing music. As urban culture, especially hip hop, took advantage of the innovation, the "boombox" was born. See a gallery of old boomboxes and learn their history.

How to save money with 'loud budgeting'

"Loud budgeting" is when you announce to your friends that something—a restaurant, an activity, and so on—is too expensive and you can't afford it. The term, which opposes the social pressure of keeping up wealthy appearances, was coined by comedian Lukas Battle in 2024 as a joke, but it caught on with TikTokers amid inflation.

A WWI war helmet outperformed modern gear in this study

Your great-grandparent's World War I helmet stuffed in the back of a closet may be just as effective at preventing brain injury from some blasts as a modern-day military helmet. This article further explains a study that pitted WWI and modern helmets against each other.

There's a West Nile virus prevention rap—and it's amazing

This catchy rap from biologist MC Bugg-Z and the Fairfax County government in Virginia walks people through prevention steps and the dangers of the virus, telling listeners to "rock" insect repellant and talking about the history of the disease in the US.

An Aztec skull whistle discovered in the 1990s was mistaken for a toy

In the late 1990s, archaeologists unearthed a sacrificed man clutching two skull-shaped clay whistles at a Mexico City temple to the wind god Ehecatl (eh-HEH-kahtl). Initially dismissed as toys, the instruments produce a scream-like sound that modern brain scans show triggers fear and urgency responses in listeners. This podcast explores the discovery.

Consumers are buying more books now than they were 20 years ago

Interest in reading spiked during the COVID-19 pandemic and has continued building since then. The romance and fantasy genres in particular have been especially popular, with titles celebrated on BookTok, a wing of TikTok dedicated to reading, spurring the craze.

The prevalence of microplastics came from plastic’s affordability and versatility

Microplastics' durability and overuse have led to massive pollution that overwhelms the planet's ecosystems. Avian, terrestrial, and marine life have been observed to contain microplastics in their bodies, but reverting to paper, cotton, and other materials in manufacturing also brings environmental challenges.

How Western psychedelics research fell to the wayside

Psychedelics' modern era began when LSD was discovered in the 1930s. By the 1950s, clinical trials were underway. US user experimentation outside of medical settings (and high-profile violence, like the Manson murders) inspired negative attitudes toward psychedelics, leading to use restrictions that prohibited companies from patenting psychedelic compounds. This strangled psychedelics' profitability until the 1990s when the government loosened its grip and psychedelics research began seeing a resurgence.

Hear 50 years of iconic hip-hop samples, the genre's foundational looped tracks

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.

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

See images of medical cases of firework injuries shared on this 'Instagram for doctors.' (Warning: Graphic content)

Fear or disgust related to clusters of holes and cracks, called trypophobia, may stem from evolutionary processes to help us avoid pathogens.

After 25 people used virtual reality headsets to practice flying with virtual wings—flapping their arms—their visual cortex responded to the wings almost as if they were real arms, treating them as body parts.

Massive 3D printers have been used to build homes by stacking layers of 'concrete toothpaste,' a fire-resistant material that effectively insulates against outside noise.

A 2019 Facebook event called on attendees to "Storm Area 51, They Can't Stop All of Us," resulting in countless memes, the creation of a music festival, and eventually the arrests of those who did try to approach the area.

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.

Children are now three times more likely to say they want to be a YouTuber when they grow up than an astronaut, with some even attending 'YouTube camps' that teach kids how to create content for the platform.

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.

Listen to an in-depth conversation on the links between Parkinson's disease and herbicide exposure and the challenging pace of scientific investigation.

Power lines are dotted with large, brightly colored balls to improve the visibility of these thin wires to helicopters and small planes and help prevent potential crashes.

Roughly 43 million US borrowers owe roughly $1.7T in student debt, the second-largest source of consumer debt behind mortgages.

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

How the most famous Ebola book, The Hot Zone, which sold 3.5 million copies and was translated into 30 languages, got aspects of the disease so wrong.

Memecoins are a type of cryptocurrency—a form of digital currency with a wide variety of uses—created around popular 'memes,' or viral internet jokes.

Jimmy Carter signed a 1978 bill that legalized home brewing, a move credited with kick-starting the craft beer industry.

As of 2025, the most cited papers in science include a review of graphene, methods to improve image recognition, streamlining electron density calculations, and optimizing protein studies.

Graffiti dates back to at least ancient Pompeii, where citizens scrawled messages to one another on public walls

For centuries, Niagara Falls has been a magnet for daredevils seeking to conquer one of nature's most powerful wonders, with its 200-foot drop and water rushing at 32 feet per second with 280 tons of force.

After NASA's Voyager 1 captured Earth as a single pixel as it left the solar system in 1990, astronomer Carl Sagan used the image to reflect on humanity's fragility and the responsibility to protect 'the only world we've ever known.'

An initial public offering or 'IPO' is the process of a private company becoming public by putting shares of the company on the stock market for purchase.