Coca-Cola claims that only two people in the world know the full Coca-Cola formula

Visualize how Coca-Cola's secret formula has changed over time

Coca-Cola contained small amounts of cocaine until the early 1900s—but that's not the only time Coca-Cola has altered its recipe over the years. For instance, Coca-Cola transitioned from cane sugar to high-fructose corn syrup in the 1980s.

'This American Life' once tried to recreate the original recipe for Coca-Cola

Given that the Coca-Cola formula is one of the company's most closely-guarded secrets, the radio show's team was surprised to come across a 1979 newspaper article with what looked like the original recipe for Coke.

Coca-Cola operates under an asset-light, divided structure

The "company" manages the brand itself, as well as its secret formula and syrup production. The capital-intensive "system" of independent bottlers, on the other hand, handles manufacturing and distribution.

The Coca-Cola bottle was designed to be recognizable even when shattered

The contour bottle, which was designed and patented to prevent copycats in its distributed bottling system in 1915, would soon become one of the most identifiable shapes in commercial culture. The designers also made sure it could be easily identified even in the dark.

John Pemberton only sold roughly 25 gallons of Coca-Cola syrup in its first year

That equates to roughly 9 drinks per day. But once he brought it to pharmacies that hooked the syrup up to their soda fountains, sales increased significantly, with roughly 2,000 gallons being sold two years later. This video about Coca-Cola's early history is narrated by actress Jenny Slate for a Comedy Central series called "Drunk History," so not all of it is intended to be entirely factually accurate.

The Stepan Company is the only US company with legal permission to import coca leaves

The Stepan Company works closely with Coca-Cola so that the soda giant can continue to use coca leaves for its beverages. Today, the cocaine from the coca leaves is removed before they are used to create Coca-Cola.

​​Andy Warhol made a Coca-Cola perfume called 'You're In'

The 100 spray-painted bottles were filled with a cheap citrusy perfume, practically begging audiences to ask if they were indeed filled with urine. The Coca-Cola Company sent a cease-and-desist letter shortly after learning of the project. IN 2017, a Japanese fashion brand remade the works without mentioning Coca-Cola.

Coca-Cola was created during a patent medicine boom

A "patent medicine" is a proprietary medicine that is ostensibly created and marketed under a patent, and, crucially, is available without prescription.

Modern Champagne owes much of its existence to one woman: Widow Clicquot

Barbe-Nicole Ponsardin, better known as the Widow Clicquot, might not have actually invented Champagne, but her innovative approach to winemaking yielded many techniques still used today. Taking over her husband’s failing business after his death, the Widow Clicquot combined business savvy and innovative thinking to make the process easier, more efficient, and, most important, more profitable.

Budweiser stores yeast derived from the original 1800s strain in a secret bunker, which only the Head of Yeast Management can access—not even the CEO

Only four people have officially engraved the Stanley Cup

For its over 100-year history, the names of every player, coach, and GM to win the Stanley Cup is etched into the silver rings. And despite technological advances, the Cup is still engraved by hand.

Who was behind the fatal 1982 Tylenol poisonings?

In 1982, an unknown suspect laced Tylenol packages with potassium cyanide in a Chicago pharmacy. Seven people were killed, and the case led to a nationwide panic, as well as the development of tamper-resistant packaging. No one was ever charged with the deaths, and the lead suspect died in 2023 after serving time in prison for trying to extort $1 million from a manufacturer to "stop the killing."

Guinness World Records was founded to settle drunken arguments

In the early 1950s, Hugh Beaver, Managing Director for Guinness Brewing, pitched a definitive record book as a way to resolve drunken arguments in pubs. In turn, the books would promote Guinness at the local watering hole.

Trader Joe's isn't a public company, so it doesn't have to disclose its suppliers

However, when a product is recalled, the US FDA reveals the manufacturer. Business Insider dug into Trader Joe's recalled product history to figure out who is making its food. As it turns out, it's a multitude of suppliers, including big companies that make food for other grocers, such as PepsiCo's Naked Juice and Conagra.

America's most misunderstood dollar

The $2 bill isn't rare; it's just hiding. First printed in 1862, stopped in 1966, and revived in 1976, there are still 1.6 billion in circulation. People just don't spend them.

The story of Kryptos, the long unsolved cryptographic sculpture outside the CIA's headquarters

Made by American artist Jim Sanborn, the sculpture features four copper plates engraved with messages written with the 26 letters of the Latin alphabet and question marks. The last of these plates was solved in 2025, but the piece remains of interest to cryptoanalysts.

How Faber-Castell makes pencils

One of the world's oldest industrial companies, Faber-Castell produces over 2 billion pencils a year, among many other staple products. In this quick video, watch the company's well-tried process for manufacturing the essential utensil, from mixing the graphite and clay to milling the wood of the pencils.

The Manhattan Project created secret cities that didn’t appear on maps

To maintain secrecy, the US built three remote research facilities and entire “secret cities” to house thousands of workers and families. These communities—home to tens of thousands—were omitted from official maps until after World War II.

Meet Clever Hans, the 1900s horse that was believed to be able to solve math equations and read German

When Clever Hans was prompted with math questions, he responded by tapping his hoof to indicate his answers. Even a panel of experts found no indication of trickery in the horse's demonstrations. However, psychology student Oskar Pfungst found that Hans stopped tapping once a subtle cue on his owner's face told him to stop. The cues were so subtle that Wilhelm von Osten didn't even know he was giving them.

There are roughly 90 Michelin judges around the world

A major reason the Michelin Guide remains prestigious is the extreme secrecy surrounding its inspectors, sometimes assuming fake names and donning disguises, to ensure ratings are not influenced by special treatment.

The legend of Pittsburgh’s fake Burger King

Years ago, a Burger King in Pittsburgh lost its franchise due to repeated customer complaints about food quality. However, the franchise-holders continued to operate the restaurant, switching to generic packaging but keeping the signage and uniforms. Customers eventually caught on and raised suspicions, leading to Burger King's corporate leaders' involvement. Learn more about the bizarre establishment and how it managed to continue operations for months.

Turkish delight recipes were initially kept secret

The chewy confection dates back to the 1700s, and initially was served at the sultan's court. The palace's secret recipes were eventually published in one of the earliest Ottoman cookbooks by Mehmet Kamil.

A pediatric journal ran 138 fictional case studies, and 61 were cited as real stories

The Canadian journal Paediatrics & Child Health issued corrections to 138 case studies published since 2000, acknowledging the cases were entirely fictional—a practice intended to protect patient privacy that was never disclosed to readers. At least 61 of the fabricated reports were cited as fact in other peer-reviewed journals a combined 218 times, including a 2006 Lancet article alleging an infant died from opioid-laced breast milk.

The history of the Montreal Protocol, the only universally ratified treaty in UN history

Mario Molina and F. Sherwood Rowland discovered that chlorofluorocarbons released chlorine atoms that could break down molecules making up the protective ozone layer. Despite attempts to discredit scientists and economic concerns raised by politicians, the agreement to phase out ozone-depleting substances was signed in 1987.

Clever Hans was a 1900s horse that was believed to be able to solve math equations, tell time, and read and comprehend German, until a psychology student discovered how he got his answers.

One contestant allegedly used well-timed coughs to con 'Who Wants to Be a Millionaire?'

Charles Ingram won the show’s top prize in 2002, though producers found his performance, which featured several strange responses, suspicious. After reviewing the footage, the producers discovered several coughs that aligned with the correct answers and theorized that Ingram’s wife and another contestant were using the coughs to convey the correct answers to him. Ingram maintained his innocence, yet he was tried and convicted of fraud.

The formula behind super agers—those possessing health and cognitive skills of people decades younger

A study of about 1,400 super agers did not identify any underlying genetic mechanism for longevity. While researchers instead emphasized that sustainable habits involving positive social connections, sleep, mood, diet, exercise, and personal fulfillment help reduce long-term risks, there is no one-size-fits-all formula for everyone.

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

US intelligence allegedly pursued more than 600 schemes to assassinate Cuban revolutionary Fidel Castro.

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.

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 original copy of the Declaration of Independence is not a pristine document, and even features a smudged anonymous handprint in the bottom left corner.

The identity of the Tank Man in the iconic photo from the 1989 Tiananmen Square protests remains unknown and was possibly killed.

According to the physics of black holes, our 4D reality may be a hologram—a projection of information coded on a 2D surface on the edge of the universe.

The first line of 'immortal' human cells, which can divide indefinitely and are used in scientific research, was nonconsensually taken from a Black woman.

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

Three Ebola species are responsible for most large outbreaks of the disease, yet the only approved Ebola vaccine is known to work against just one of them.

Salvador Dalí believed he was his own dead brother, who had died nine months before he was born

Explore fun facts from the USPS, including unique post office buildings, a stamp that traveled past Pluto, and more.

Dorothy's famous entrance into Oz in 'The Wizard of Oz' relied on analog tricks, including a body double and sepia-toned paint, as much as it did on technology

Art theft is the third-largest source of criminal revenues worldwide, thanks in part to the subjective nature of valuing a work of art.

Elk Cloner, the first computer virus to spread in public, was written as a practical joke by Richard Skrenta, a Pittsburgh high school student.

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 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.

In 1963, a basement renovation in Turkey revealed a passageway to a hidden, multilevel underground city that once housed as many as 20,000 people

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.'

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.

For centuries, it was common to sleep in two shifts: a few hours at the beginning of the night, and a longer period beginning around midnight

Scientists can determine Earth's past climate conditions by analyzing air trapped in microscopic bubbles within ice cores—columns of compressed snow layers that build up over hundreds of thousands of years.

See how fireworks are made and learn how metals like magnesium and copper are responsible for different colors.