Laser procedures have made tattoo removal much more common

The body can remove tattoos after they are broken down by laser

Tattoos place blobs of ink below the surface layers of the skin in packets too large for white blood cells to clear out. By breaking the ink into smaller pieces, they can be processed by the immune system, which is responsible for removing foreign matter.

Around 32% of American adults have at least one tattoo

Tattoos have waxed and waned in popularity over the centuries, depending upon the social standing of their wearers. Throughout US history, they were often considered taboo. However, growing acceptance of tattoos means they’re more visible in the public eye.

Technological breakthroughs are spurring innovations in the industry

What if you could see your tattoos before they’re embedded in your skin? Or take a virtual visit into a local studio to work out your nerves over a first tattoo? The industry is anticipating some big technological changes, from 3D designs to sci-fi upgrades to more precise tattoo guns.

Tattoos remain visible on your skin thanks to immune cells called macrophages

Tattoos suppressed during colonization are experiencing a revival

A few decades ago, the distinct facial tattoos worn by Maori people were on the brink of disappearing. Then, Maori artists brought the cultural practice back into the spotlight. This TVNZ story follows one reporter’s mother as, at 59 years old, she receives tā moko from a Maori artist.

The origin of LASIK eye surgery, from a lab incident to federal funding and widespread use

After a University of Michigan engineering student suffered retinal burns from an ultrashort pulse laser, researchers realized it could be used to reshape the cornea and improve a person's vision with greater precision than a scalpel and earlier laser technologies. Agencies, including the National Science Foundation, the National Institutes of Health, and the Department of Energy, provided funding to develop and commercialize the procedure.

Laser skin treatments can promote the production of collagen

Skin resurfacing vaporizes the top layer of skin to reveal healthier, new skin, while collagen can give the skin structure and elasticity. Such procedures treat scars and burns, but may leave light spots on the skin.

Cremations are America's top choice for postmortem body treatment

Though this process is the most popular one, more Americans are becoming interested in "green" burials that don't involve slowly degrading coffin materials, toxic embalming fluids or emissions from crematoria.

Photodynamic therapy is one current treatment for age-related macular degeneration

This laser-based treatment is used on advanced "wet" age-related macular degeneration patients, but it's now used less often than in the past because there are newer injection-based drugs to decrease abnormal blood vessel growth.

Black Americans with diabetes have amputation rates three times higher than average

Annually, 130,000 US diabetics undergo amputations due to complications from diabetes, with many patients located in low-income and uninsured neighborhoods. More than half of US diabetics who lose lower limbs are not subject to pre-surgery angiograms, imaging that shows blood flow blockages to determine if (and where) amputation is necessary.

Commercializing space debris removal may follow the commercialization of launches

Active debris removal is likely to focus on larger derelict objects, which are more easily identified and yield better financial returns. One actively researched possibility involves using netting to capture derelict objects before towing them into a controlled descent into an ocean.

Mark Zuckerberg, Katy Perry, and other celebrities have attended Burning Man

Burning Man is an expensive endeavor, most attractive and accessible to those with deep pockets and an interest in artistic endeavors. Therefore it’s no surprise the event attracts various famous innovators and entertainers, including the world's richest people.

72% of Americans say tipping is now expected in more places than it was 5 years ago

This change has been driven by multiple factors, including point-of-sale systems from fintech companies such as Square that prompt customers for tips directly. Americans also increased tipping during the pandemic in an effort to support local businesses struggling financially due to a lack of physical foot traffic.

The potential for weight loss drugs to transform the economy

In 2023, Americans spent more than $50B on weight loss drugs, a number expected to triple by the end of the decade. However, because of the wide range of obesity-linked health issues, widespread adoption of the treatments could transform the wider economy.

Many journalists are shying away from sharing mug shots when reporting crime

News outlets used to cover crime with mug shots of the accused. Some outlets even published mug shot photo galleries, collections of easily acquired content that drove clicks and, hopefully, advertising dollars. However, this practice has fallen out of favor as journalists question the lasting impact of immortalizing mug shots of accused perpetrators, at least some of whom are ultimately cleared of the alleged crime.

Laser-etched electric charges guide toner during laser printing

When sending a print job, the file data generates an image that a laser maps positively charged regions onto a drum separately for each color toner. Once the negatively charged toner is applied where it was electrically attracted, heat and pressure fuse it onto the paper.

NFTs have been leveraged by brands to represent physical and digital items

The buzz around non-fungible tokens has faded since 2021 to 2022, when brands including Prada and Starbucks launched their own NFTs. While Prada’s NFTs were linked to limited-edition fashion items, Starbucks’ were part of a loyalty program.

How hearing protection became cool

In recent years, the WHO shared research findings that over 1 billion teens and young people face risks of hearing loss due to unsafe listening practices. While earplugs used to hold a reputation for being uncool, this article explores how awareness has led to more people fashioning different types of hearing protection. Explore the growing trend of earplugs at raves, concerts, and other loud events.

Taylor Swift influenced record labels to change the way they write contracts

In addition to being a successful songwriter, Taylor Swift is a change-maker in the music industry. She asserted creative control over her music, re-recording her earlier albums after she lost the rights to them, and sparked a vinyl revolution in a digital age.

The MBA has been the most popular graduate degree in America since 2010

Referring to MBA programs as “corporate America’s breeding ground,” comedian Dan Toomey recently interviewed experts on MBAs like Adam Grant, as well as MBA students themselves, to get a better idea of why the degree is so popular. Warning: profane language and content.

Presidents now rely on executive agreements instead of formal treaties

Formal treaties—requiring two-thirds Senate approval—have become rare in American foreign policy. Modern presidents increasingly use executive agreements, which don't need congressional consent, allowing faster diplomacy but reducing legislative oversight and transparency.

As graffiti grew more popular, New York worked to stop it

In 1972, the NYPD made over 1,500 graffiti-related arrests. By 1973, the city was annually spending $10M to remove and limit graffiti. That same year, a poll conducted by an anti-graffiti task force found that the "vast majority" of residents did not consider graffiti to be art.

Lung cancer advances are making a big difference

Lung cancer deaths are declining faster than new cases due to advances in treatment. The progress illustrates what is possible, even for a cancer that has long had a poor prognosis.

The average American likely doesn’t notice how many ads they’re targets of per day

The average American is targeted with roughly 5,000 ads each day—but the conscious mind likely isn’t capable of recalling the majority of those. Even still, many consumers have reported ad fatigue due to the near-constant onslaught of ads.

In recent years, Hollywood studios have reevaluated their Comic‑Con presence

Comic-Con’s impact on the movie industry may be diminishing. In 2025, major studios—including Marvel, DC, Lucasfilm, Sony, Paramount, Legendary, and Lionsgate—scaled back Comic‑Con participation. They cited high costs, timing that didn’t align with release schedules, and limited marketing impact in a crowded promotional landscape.

About 2,000 US babies are born annually without some portion of their limbs, potentially leading to a lifetime of pricey prosthetics.

Commercial air travel made international vacations more commonplace

Long-distance commercial flights became more common in the 1980s, allowing tourists to travel internationally more easily. For those who could afford it, travel by airplane allowed them to see everything the world had to offer, harkening back to the philosophy of the Grand Tour.

The Mona Lisa's celebrity status and repeated restorations have obscured what made the painting so revolutionary for its time

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

Telehealth demand for GLP-1s for weight loss is booming as consumers seek easier access.

The power and influence of the American presidency have expanded significantly over time—far beyond what the founders envisioned.

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

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.

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

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

The use of fungi to detoxify land and water—a process known as mycoremediation—has been used to clean up natural resources affected by the 2025 California wildfires.

Astronauts have repaired genetic damage in space using CRISPR—a molecular tool that can make precise changes to DNA and is used in single-celled organisms to attack invasive viruses.

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

Objects can be 3D printed with light by projecting 2D computerized tomography (CT) scans onto rotating cylinders of resin, which solidify upon exposure.

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.

See the evolution of Ebola vaccine and treatment development.

Some coin denominations have ridges etched on their sides, partly to prevent counterfeiting, in a practice called 'reeding.'

Doctors differentiate between a phobia and fear by asking patients whether their fear interferes with their day-to-day activities.

20,000 letters to the advice columnist 'Dear Abby' provide insight into prevailing sex, religion, and LGBTQ fears, anxieties, and concerns from the 1950s onward.

The most expensive ad of all time was for Chanel No. 5 perfume and cost roughly $33M to produce in 2004—about $57M in today's dollars.

How fusion—which releases energy when two lighter atoms combine to form a heavier atom—differs from fission

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.

Hotels in Cannes, the glamorous city on the French Riviera, hire hawks to ward off seagulls during the city's famous film festival.

Louisiana's 'Cancer Alley' is infamous for having some of the highest industrial pollution, toxic air emissions, and cancer risks in the US.

To reduce wrinkles in clothing, research recommends gentle wash cycles with more water and tumble drying with smaller loads and longer times.