Who was behind the fatal 1982 Tylenol poisonings?

How a government chemist founded the FDA—by poisoning people

The Poison Squad tells the story of government chemist Dr. Harvey Wiley who, determined to banish these dangerous substances from dinner tables, took on the powerful food manufacturers and their allies.

A family's yearslong poisoning

Over 14 years, a southern Indian family slowly lost six members, several of whom were found foaming at their mouths. Upon the third death, a post-mortem examination was requested, revealing cyanide had been ingested, though it was ruled as self-inflicted. Several will edits and three deaths later, relatives turned a critical eye toward Joliyamma "Jolly" Joseph, who had married into the family and been present at each death.

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 Love Canal disaster exposed the dangers of buried toxic waste

In the late 1970s, residents of Niagara Falls, New York, discovered their neighborhood was built atop 20,000 tons of chemical waste. Leaking toxins caused illness and birth defects, sparking nationwide outrage and leading to the creation of the EPA's Superfund cleanup program in 1980.

Two festival-goers were hospitalized after receiving peptide injections, raising questions

Investigative journalism shop ProPublica wrote about two people who became extremely ill following antiaging peptide injections. Authorities were examining whether the individuals were sickened by an infection, contamination related to the injections, or an issue with the medication itself, according to documents obtained by the journalists at ProPublica.

Alexander the Great, Rudyard Kipling, and more may have died from food poisoning

Though it is hard to prove decades or centuries after their deaths, some researchers suspect that food poisoning killed a variety of historical figures, including US President Zachary Taylor in 1850: Some researchers believe he may have consumed food contaminated with *Salmonella*.

The St. Valentine's Day massacre is still unsolved

On Feb. 14, 1929, several men believed to be working for Chicago gangster George "Bugs" Moran, an enemy of notorious mobster Al Capone, were killed by several gunmen dressed as police. No one was ever brought to trial for the murders.

In 2023, at least 6 people were charged with stealing body parts

A recent case involving alleged trafficking in stolen human body parts charged that there was a nationwide network of individuals who bought and sold human remains. The charges alleged, among other things, that from 2018 through 2022, the manager of the morgue at Harvard Medical School's Anatomical Gifts Program stole organs and other parts of cadavers that had been donated for medical research and education. In late 2025, that Harvard morgue manager was sentenced to 96 months in prison.

The Cincinnati Enquirer's Pulitzer-winning look at the opioid epidemic

Synthetic opioids kill someone in the US every 16 minutes. Communities across the country have been ravaged by deaths, overdoses, jail time, and babies born with drug-related medical problems as opioid abuse became a typical feature of many American towns. This seven-part exposé provides an inside look at the effect in southern Ohio and northern Kentucky.

Vitamin D supplement pills are linked to rising cases of vitamin D toxicity in the US

Vitamin D deficiency is common. But taking Vitamin D supplements in doses exceeding 4,000 IU/day (a measurement of vitamin biological activity) for prolonged periods can raise bodily concentrations of this vitamin to dangerous values. US National Poison Data indicates that the annual average of vitamin D poisonings from 2000-05 was 196, but this rose by 1,600% to 4,535 per year for the period of 2005-11.

When America's deadliest serial killer went undetected

Samuel Little, who, for years, washed in and out of the justice system on violent charges eroded into lesser offenses, ultimately admitted to killing 93 people, mostly women, over more than 30 years. He tended to target those on the fringes of society—runaways, drug users, sex workers—people whose deaths were more likely to go unnoticed, he remarked, referring to them as fruits to be plucked at will.

11 people died from firework injuries in the US in 2024.

Conspiracy theories come from distrust in government, media, and institutions

Some believe JFK's assassination was orchestrated by larger networks rather than a lone shooter. Skeptics wondered how one unknown man could kill the most powerful person in America, and believed the CIA, FBI, or Soviet government played a role in the murder.

Prince died in 2016 from an accidental fentanyl overdose

The music legend was found dead in an elevator at his Paisley Park residence on April 21, 2016. The cause of death was an accidental overdose from taking pills he believed to be Vicodin, but were actually counterfeit pills laced with fentanyl. Law enforcement was unable to determine who provided him with those pills. He was 57 at the time of his death.

11 people died from firework injuries in the US in 2024

Most of those deaths involved misuse of the explosives and device malfunctions or misfires. That fatality count doesn't include the almost 15,000 people who received treatment in the emergency room due to firework-related injuries. More than a third of all the injuries in 2024 were burns, underscoring the risks of using these explosive devices.

In 1985, one player said 40% of his colleagues used cocaine

The 1985 Pittsburgh Drug Trials found over a dozen MLB players taking the stand to testify about drug use around the league. Mets star Keith Hernandez, who was given immunity, testified 40% of players used cocaine. The trial led to seven convictions.

During the French Revolution, a botanist's letter asking about "dear Rhus" (poison ivy) was intercepted and led to authorities' suspicions he was conspiring with the Russians

The 1794 incident involved André-Ignace-Joseph Dufresnoy, a French army physician researching the plants' potential medicinal properties. Rhus radicans is a scientific name for the plant, though it's commonly called Toxicodendron radicans.

Watch the breaking news report of the revelation that brought down the Nixon presidency

In August 1974, following a unanimous Supreme Court ruling, the White House released the "smoking gun" tape—revealing Nixon's role in the cover-up. Watch the CBS News report from Aug. 5, 1974, detailing the fallout from the release of the tapes.

Penicillin ended scarlet fever’s deadly threat to children

Between 1840 and 1883, scarlet fever was among the leading causes of childhood death in the United States, with case fatality rates ranging from 15% to 30%. Today, thanks to antibiotics like penicillin, the mortality rate is below 1%.

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

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.

Mapping where the drug captagon is seized worldwide

In the 1960s, Captagon was patented in Germany as a stimulant similar to amphetamines. It was prescribed for a time to address narcolepsy, ADHD, and other conditions. As its addictiveness and psychosis-inducing quality became more apparent, the drug has been banned in many countries. A robust illicit manufacturing of the drug endures in the Middle East, especially in Syria and Lebanon. Track locations where the drug has been seized on this updated map.

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

They are supposedly two Coca-Cola executives. Over the years, a number of handwritten formulas have surfaced to the public, but Coca-Cola has ruled all of them as inauthentic.

The Kent State massacre sparked a nationwide student strike

In 1970, the Ohio National Guard opened fire on Kent State University students—peacefully protesting the Vietnam War—and killed four. The tragedy led to more widespread nationwide protests, shutting down more than 200 colleges and universities. The event led to a Pulitzer Prize-winning photo of a slain and grieving student.

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.

How Alzheimer’s disease becomes fatal

Despite more than 100,000 people with Alzheimer's dying each year, the specific cause of death is not the disease itself. Often, secondary diseases arise from complications with the disease, including pneumonia, severe falls, malnutrition, or infection. Read more about the range of complications caused by Alzheimer’s here.

After her fellow cult members tried to kill her with an LSD-infused hamburger, one member of the Manson Family, the murderous cult led by Charles Manson, decided to testify against the group's leader.

Ukraine's reformist candidate survived a poisoning attempt in 2004

During the 2004 presidential campaign, Viktor Yushchenko was poisoned with dioxin, which disfigured his face but did not prevent him from winning the rerun election. The attack was widely suspected to involve pro-Russian security forces.

The atomic bombs dropped on Japan had massive human costs

The US atomic bombings of Hiroshima and Nagasaki in August 1945 killed around 210,000 people—more than 38,000 of them estimated to be children—with tens of thousands more later dying from radiation-linked illnesses, leaving lifelong trauma and increased cancer risks.

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

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

In 1984, Operation Smash Hit intentionally crashed a 239-ton train into a nuclear waste canister at 100 miles per hour to prove the canister's safety, which remained completely intact and lost just 0.29 of its 100 pounds of pressure.

Abraham Lincoln was almost assassinated weeks before his inauguration as he traveled from Illinois to DC through Baltimore in 1861; it took two independent claims for Lincoln to be convinced the threat was real

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.

In 2009, the nation was gripped by the story of a missing young boy who was believed to be floating over Colorado in a homemade balloon, until it was revealed that he was at home the whole time.

Poison ivy's rash-causing compound is found in the plant's roots, stem, and leaves—so coming into contact with any part of the plant can lead to rashes for the 85% of people who are allergic to it.

See 33 images that became central to huge scandals, including a young Charles and Camilla, Michael Jackson's baby on a hotel balcony, and Hugh Grant's mugshot.

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.

In 1915, workers recovered a submarine-like vessel from the Chicago River, prompting fears of German espionage

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.

In 2019, a laptop loaded with six of the worst malware in history and described as 'an exhibit of historical weaponry' sold for $1.3M.

Search a massive database of over 4 decades of clues from the TV quiz show 'Jeopardy!'

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.

This real-time tracking of the hantavirus cruise ship outbreak in May 2026 offers a unique glimpse into the global reach of the outbreak and whether the virus sickened passengers and their communities around the world.

Exploring the Larry Bird punch that almost changed March Madness

The concept of phantom limbs, the perception that amputated limbs are still present, dates back to a French military surgeon in the 16th century.

A Yale student wrote a profound essay about the consulting industry's influence on elite college students that was published in a book of her writing after she died in a post-graduation car accident.

Lesser-known phobias include turophobia, or the fear of cheese, and nomophobia, the fear of being without your cell phone.

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

Sears sold DIY house kits starting at $600 in its famous catalog from 1908 through the 1940s, resulting in roughly 10,000 'Sears and Roebuck houses' being built.