Modern roll-on deodorant design was modeled on the ballpoint pen

An antiperspirant ad campaign in the early 1900s dubbed body odor "B.O."

The product was marketed toward women and framed excessive sweating as a medical disorder that needed to be addressed with the product.

The 1980s brought luxury items into the bathroom

Companies produced items like waterproof radios and targeted them at people under 30, marketing the devices as hip ways to stay clean.

Leonard Lauder, one of Estée's sons, invented the slant on a tube of lipstick

Leonard Lauder was known for being an innovator, both in business and in product. He's credited with creating the now-standard slant of a lipstick tube, slicing the top off a then-bullet-shaped lipstick to better fit women's lips. (Some users may experience a paywall.)

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.

Samuel O’Reilly patented the tattoo gun in 1891

Before the tattoo gun's invention, recipients sweated while artists slowly tapped or sliced designs into their flesh. The tattoo gun changed the field, helping artists ink clients’ skin at incredible speeds. Inventor Samuel O’Reilly applied the basic idea of an electric pen invented by Thomas Edison to his tattoo gun.

Gen Z's love for perfume is boosting sales

Teen boys are the biggest driver in perfume sales as of the summer of 2025. They have increased their spending on fragrances 26% year-over-year as the trend blossoms on TikTok via #PerfumeTok. Additionally, users of weight loss drugs GLP-1 agonists are adding to sales, as they seek olfactory over culinary sensations.

Art Deco formally began in France in 1925

The design style—often associated with 1920s New York—is named after the International Exhibition of Modern Decorative and Industrial Arts in Paris, which featured many works in the style, which was already popular in France.

It took 14 years to deploy penicillin after its discovery

Despite its promise, US production of penicillin remained minimal in 1942—enough to treat fewer than 100 patients nationwide. Within two years, output expanded into millions of doses to supply troops for D-Day.

Rock 'n' roll's history in 60 seconds

In the late 1940s, rock 'n' roll emerged from a mix of blues, country, gospel, and jazz. It gained traction through radio, rebellious icons, and evolving sound. This overview traces the genre’s roots, rise, and lasting influence—from early pioneers to the British Invasion and beyond.

A primer on the president's nuclear football

During the Cold War, the United States and the USSR were forced to prepare for a nuclear strike at a moment's notice, leading to a new innovation: the so-called "football" (known as the chemodanchik in Russia), a bag containing nuclear strike plans, authentication codes, and likely a communication device, which attended the country's leader wherever they went. This easy-to-read piece breaks down the history and lore around the high-stakes quirk in nuclear governance.

How silica gel took over the world

Silica gel packets are those sugar packet-like bags that keep packaged foods and more dry and free of mildew. First invented in the early 20th century, they saw great commercial success starting in 1927, being deployed in traded goods across the world. This simple invention allows modern supply chains to extend across the globe by extending the preservation of shipped goods.

Pill bottles have often been orange to help protect medication from UV light

Amber pill bottles were introduced in 1968 to keep medications potent while allowing patients to see how much medication they had left. The color has since become universally associated with prescription medication.

A new logo helped the NBA stay relevant in the '70s

In 1967, the American Basketball Association was formed, featuring a flashier style of offense. The competition caused player salaries to rise in both leagues. After watching Major League Baseball unveil its new logo, the NBA decided to use the same designer to create an iconic logo for the league. It debuted in 1971 and reignited basketball fans' interest.

Coca-Cola began developing Diet Coke to compete with a diet cola called Tab

Launched in 1963, Tab was successful in part because of its diet-conscious branding, with the name "tab" referring to the idea of "keeping a tab on your weight." Diet Coke made its debut in 1982.

Q-tips, invented in the 1920s, were first called 'Baby Gays'

After an immigrant from Poland observed his wife's method of wrapping a wad of cotton around a toothpick to clean their newborn daughter Betty's eyes, ears, and elsewhere during bathing he marketed the product in the mid-1920s as "Baby Gays." The later "Q-tip" name has competing origin stories—with the "q" standing for "quality" or, alternatively, it's a play on "Cutie-Tips" reportedly because Betty was a cute baby.

A Boeing engineer created a next-generation pickleball paddle in the '80s

When Steve Paranto kept losing in the finals of his Pickleball tournaments, he told his dad Arlen the wooden paddles were holding him back. Then-Boeing engineer Arlen used spare composite floor panels to make the first fiberglass Pickleball paddle.

John Riddell’s first helmet was adopted by college football teams in 1939

The early days of football were violent and there was little protection for players, especially their heads. When deaths became commonplace, John Riddell set out to invent a better way to protect football players. Eventually, the technology from Riddell’s helmets ended up on WWII battlefields.

The New Year's ball was based on a navigational tool

Robert Wauchope, a member of the Royal Navy, developed the contraption in 1818 so crews could know the time while out at sea. The ball would descend at the same time every day, allowing ships to set their clocks accordingly.

Frozen burritos made the dish widely available in the 1950s

California native Duane Roberts, who also pioneered the frozen hamburger patty, invented the frozen burrito in 1956 to be easily prepared at fast food restaurants. This innovation also allowed it to be sold in supermarkets.

The first Cannes Lions winner

The first Cannes Lions award went to the German toothpaste brand Chlorodont for the ad “Il Circo,” a surreal short film featuring dancers, a wild animal, and a snake charmer—all constructed from Chlorodont’s product.

Sony set the standard for cylinder-shaped batteries when it repurposed manufacturing equipment used to make rolls of magnetic recording tape.

Sony set the standard for cylinder-shaped batteries when it repurposed manufacturing equipment used to make rolls of magnetic recording tape.

The rare 1970s Ken Doll with facial hair

In 1973, Mattel released the Mod Hair Ken Doll. The toy was the first Ken since 1961 to possess "real" rooted hair, plus it came with sideburns, a beard, and two mustaches. For clothes, he wore a brown and white checked jacket, white turtle neck, light brown pants, and brown shoes. Take a look at images of the doll decked out in 1970s fashion for insight into life in another era.

The first algorithmic random number generator was developed in 1946

Although previous methods of randomness involved physical tools with limited outcomes, such as dice, or relied on chaotic variables for number generation, such as electronic noise, John Von Neumann's middle-square method turned the problem into a mathematical computation. It has since been replaced by methods that generate numbers from unique initial values, such as the time on a clock.

Tinder revolutionized dating when it introduced swipe-based interactions

Many dating apps today allow users to "swipe right" to match with someone and "swipe left" to opt out of the match, but Tinder did it first, introducing swipe-based interactions in 2013. The idea for swipes came from the founder's desire to gamify dating—Tinder's early interface was based on a deck of cards that users could sort.

Tennis' weirdest rule (only for women)

At all but one Grand Slam, men and women played with the same tennis ball. But at the US Open, women were required to use a different ball until a change was made a few years ago. We break down the story behind that strange anomaly.

Modern innovations have allowed rides to simultaneously become more extreme and safer

Several ingenious additions to roller coasters, such as extra wheels, magnetic brakes, and hydraulic system safety bars, have largely reduced discomfort and threats such as broken rides or ejected passengers.

At the beginning of the 20th century, a group of young men ate standard American food—replete with food additives like borax and formaldehyde—as part of government research to better understand food safety.

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.

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

Walt Disney's early film 'Alice's Wonderland' was a groundbreaking innovation in the silent film era

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

Brian Wilson wrote the Beach Boys' 'Don't Worry Baby' for the Ronettes, but the legendary girl group rejected it.

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

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.

Long before Major League Baseball began allowing instant replay for balls and strikes, an umpire reluctantly used the technology to determine whether a hit was a home run, a move that inadvertently ushered in a new era for the sport.

'Saturday Night Fever,' the 1977 film that introduced disco to the mainstream, was based on a fabricated magazine story.

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

The hormonal disorder PCOS was renamed PMOS in 2026, a move designed to improve care and research by shifting the focus to the hormonal causes of this condition that affects 1 in 8 women.

Learn how your body is, scientifically, like a firework with its own slow, controlled burn.

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.

In 1939, baseball star Lou Gehrig delivered his inspirational 'Luckiest Man' speech after retiring due to the health condition that now bears his name.

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

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.

Meet the 56 signers of the Declaration of Independence—most of whom didn't put pen to paper until August 2, 1776—and see their original signatures.

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.

The 2026 Ebola outbreak in the DRC is spurring new Ebola vaccine development for the Bundibugyo species.

Domino's Pizza's 30-minute delivery guarantee was responsible for the chain's 1980s surge, but it was discontinued after the company was found liable for delivery driver accidents.

The US first hosted the World Cup in 1994, a tournament that lives in soccer infamy for its poor planning and the murder of Colombian player Andres Escobar, who'd accidentally scored on his own net.