Before modern sanitation, New York City let pigs roam the streets to eat its garbage

The sewage of New York City

Residents of the five boroughs of New York produce 1.3 billion gallons of wastewater everyday. Seventy miles of sewer pipes, first built in the mid-1800s, feed the sewage to 14 wastewater treatment and recovery plants where the waste is treated back to viable, drinkable water. See what shouldn't go down the toilet here.

New York City spends $429 million a year just to get rid of its trash

None of NYC's garbage is processed within the city. It is transported by truck, train, and barge to waste-to-energy facilities and landfills as far away as Ohio and South Carolina, a vast logistical operation.

In the 1930s, New York banned buskers as part of an antinoise campaign

Mayor Fiorello LaGuardia was hoping to modernize the city and believed that street performers only crowded the streets and added to an annoying cacophony. Residents wrote to the mayor to protest the decision, arguing that buskers were appreciated by the public.

How a polluted New York City waterway created extremophiles hungry for 'black mayonnaise'

In the 19th century, coal processing plants, oil refineries, a tannery, and other industries lining the Gowanus Canal contaminated its waters with coal tar, sewage, and other pollutants, forming the toxic sludge. Samples taken from the site before clean-up efforts revealed over 450 species of microbes with metabolisms adapted to break down these contaminants.

In medieval France, pigs were once put on trial

Pigs are omnivorous animals. There are hundreds of records of pigs killing and eating children in medieval Europe. In France, these tragedies often resulted in trials and then hangings. Some pigs were held in jail for years before being executed.

A 1987 garbage barge that no state would accept accidentally sparked the US recycling movement

In the 1980s, an Alabama businessman loaded 3,168 tons of mafia-controlled New York trash onto a barge. It was rejected by six states and three countries, sparking a media frenzy. This event helped convince Americans that they were running out of landfill space, giving rise to curbside recycling.

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.

An anthropologist spent years riding garbage trucks to understand what our trash says about us

Robin Nagle rode with New York City sanitation workers to trace the hidden life of what we throw out. Her research explores what the things we discard reveal about who we are. 1440 explores the hidden life of trash.

In 1711, the New York City Common Council decided that the city’s slave market would operate on Wall Street

In 1711, the New York City Common Council decided that the city’s slave market would operate on Wall Street. Back then, the nation’s economy rode on the backs of slave labor and the slave trade itself—meaning that the slave market’s location was an economic hub for the city.

Paris and Boston were redesigned partly to combat cholera's spread

Georges-Eugène "Baron" Haussmann, who oversaw Paris's redesign in the 1800s, replaced many of the city's narrow streets with wide boulevards. This was done at least in part to bring more air and light into the city to help control cholera. Architect Arthur Gilman redeveloped Boston's Back Bay to similarly combat cholera, among other reasons.

An overview of New York's iconic stoops

In New York City, stoops are cherished and fundamental aspect of life in many neighborhoods. In a city where yards are a rarity, stairways are places for New Yorkers to socialize and relax. Follow the history of these sites in this video, starting from their Dutch origins to their impact on city life today.

Pig-to-human transplants have raised concerns about pig living conditions

Pigs are the current first choice for xenotransplantation procedures, yet such work gives some researchers and animal welfare advocates pause. Concerns include that pigs would have a poor quality of life since the animals must live in a strictly-controlled, hyper-clean environment to avoid risky pathogens.

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.

'Hot dog' likely evolved from the common name 'dachshund sausages'

The ubiquitous handheld snack started in New York City, where vendors sold sausages in buns, calling out "Get your dachshund sausages!" Historians believe the change to "hot dog" was natural for many fans, who found the name funny and catchy.

Mass transit in America began with horse-drawn omnibuses in New York City in 1827

The omnibus, a large horse-drawn stagecoach that ran a fixed route and carried a dozen riders at an affordable fare, was different from a private carriage because it carried everyone, not just the wealthy.

Listen to how the 1902 'poison squad' experiments changed food safety in America

As part of government research, a group of young men were paid to eat standard American food—replete with food additives like borax and formaldehyde—which revealed the dangers of unregulated food. The work was led by the first FDA commissioner, Harvey Wiley, who helped end the "century of the great stomachache."

Farm animals help maintain the grounds at Chicago's O'Hare International Airport

Since 2013, a herd of goats, sheep, and a donkey have grazed on the scrub vegetation at the airport. In the process, they also help keep out animals that can be dangerous for pilots, like coyotes.

A guide to single-use plastic bans across the US

Over 100 cities and municipalities in the US have banned Expanded Polystyrene (EPS) in government facilities including New York City, Los Angeles, Seattle, San Diego and Miami Beach, Florida. Here, maps illustrate what US states have bans in place.

Nearly 5,500 crows died during four months in 1999 from West Nile in NYC

Subsequent testing made clear the disease at that point was 100% fatal to crows. From 1999 to 2004, millions of birds died as West Nile spread across North America, but the virus fortunately became less virulent as it moved westward.

One prankster started a movement to clothe animals in the mid-20th century

G. Clifford Prout founded the Society for Indecency to Naked Animals, saying that animal nudity was rude and immoral. The campaign continued for years until CBS employees realized Prout was actually a comedian named Buck Henry.

Hear how the Piggly Wiggly grocery store founder attempted to squeeze short sellers by cornering the grocery store's stock

Founded in 1916 in Memphis, TN by Clarence Saunders, Piggly Wiggly was the first modern grocery store with aisles for customers to shop for themselves. In 1922, investors placed short positions, sensing that the stock may be overvalued after several Piggly Wiggly franchises in the Northeast went bankrupt. Saunders attempted to squeeze short sellers by taking out $10M and buying up nearly 99% of all available Piggly Wiggly stock. Ultimately, the fiasco ended with Piggly Wiggly's stock being permanently banned from the New York Stock Exchange and Saunders leaving Piggly Wiggly and filing for bankruptcy.

Pineapple research helped scientists solve Los Angeles' smog mystery

In the 1950s, chemist Arie Haagen-Smit applied methods he'd used studying pineapple plant chemistry to smog-filled air—discovering that sunlight reacting with car exhaust produced photochemical smog from hydrocarbons and nitrogen oxides, not factory smoke.

The Beastie Boys started as a punk band

Before they became a legendary rap group, the New Yorkers played fast, scrappy hardcore in the style of Bad Brains. Still, they were fans of the explosion of hip-hop culture in their city and recorded a jokey track in 1983, which led to a record deal and conversion to hip-hop.

The myths around London's tiniest sculpture

The Philpot Lane mice have been considered London's smallest sculpture for decades, delighting visitors and locals alike. But there's a common story told for why the unusual sculpture—which features two mice fighting for a piece of cheese—was placed there, saying it commemorated the death of a construction worker fighting over a lunch in the 1800s. The author of this article argues the evidence for such a story is lacking. Dive into the obscure history here.

A Georgia town holds an annual New Year's Eve possum drop

The town of 3,200 residents in the northwestern corner of the state began the quirky event—which lowers a taxidermied possum dangling in the center of a Times Square-esque ball—in the mid-1990s. In 2024, it ranked eighth USA Today’s list of the best New Year’s Eve drops.

George Washington was a fan of barbecue

The first US president celebrated laying the cornerstone of the US Capitol by hosting a barbecue, the centerpiece of which was a 500-pound ox. By the 19th century, barbecue was a standard component of public celebrations, including Independence Day and Memorial Day.

The American cockroach is actually from Africa, an apparent hitchhiker aboard ships carrying enslaved people, with evidence suggesting the bug may have arrived in the New World as early as the 1600s.

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

Famed poet TS Eliot rejected the manuscript for George Orwell's political fable 'Animal Farm,' writing that its criticism of authoritarianism was not 'the right point of view.'

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

Volcanic activity may have triggered the Black Death by spewing gases that led to crop failures in Europe, thus forcing the import of grain ships with plague-infested fleas.

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.

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

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.

'Shogun,' a 1980s TV series, helped popularize sushi in the US by stimulating an American interest in Japanese culture.

Mark Twain spent decades feuding with the US Postal Service, convinced its costs and regulations were bureaucratic overreach.

Before humans, the Soviet Union and the United States sent animals—including apes, dogs, and cats—to space during the Space Race.

Larger animals like giraffes, elephants, and blue whales have developed a unique defense against cancer, a phenomenon known as Peto's Paradox

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

The tragic Pulitzer Prize-winning image 'The Vulture and the Little Girl' (1993) generated controversy, raised concerns about ethics in photography, and eventually led to the photographer's death.

See how Budweiser's famous Clydesdales spend their days at Warm Springs Ranch, where roughly 70 to 80 of the beer brand's giant horses can be found at any given time.

After the Boston Tea Party, colonists switched to coffee, which became the main morning drink for revolutionaries.

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

Discover the catastrophic consequences of a failure of the US electrical grid—something that is more likely than many Americans think.

The Brothers Grimm were lawyers before they were storytellers, but became interested in fairy tales as they began investigating how rules and customs had been passed down through cultures.

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.

Despite being favored by 87% of Americans, Congress does not have term limits.

SpongeBob exemplifies Aristotle's philosophy for living well because he understands that happiness doesn't come from external factors like money, recognition, or power.

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.

US housing costs have risen by roughly 175% between 1991 and 2026—but a growing number of Gen Zers are becoming homeowners anyway. In 2025, 4% of homebuyers were Gen Z, up from 3% the year before.