How US horse breeders sourced animals from the Syrian desert

Washington systematically introduced and popularized mule breeding in the United States

Known as "the father of the American Mule," Washington imported a prized Spanish donkey and bred it with a female horse at Mount Vernon. He promoted mules as stronger, more efficient farm animals, helping spread their use across the South and transforming American agriculture.

What made Secretariat, one of racing's most dominant horses, so exceptional

No horse had won the Belmont, the "Test of the Champion," by 31-lengths prior to 1973 when Secretariat did it, and no one has done it since. In this New York Race Association article, jockey Ron Turcotte recounts his iconic race and provides his unique bond with his horse. He also reflects on Secretariat's post-Triple Crown career, noting how he matured later on.

The long shot victory of Rich Strike at the Derby

Thanks to a last-minute scratch by Ethereal Road, Rich Strike made the 2022 Kentucky Derby field. He only had one win out of six races prior, and was listed as an 80-1 long shot. This USA Today article lays out the favorable draw and strategic ride that led to the biggest upset since 1913. Watch the wire-to-wire replay of his historic comeback and listen to the call by Larry Collmus.

How Seabiscuit's DNA made him a winner

Seabiscuit's sudden success in the sport has been framed as a classic against-the-odds sports story. One Binghamton University molecular physiologist wanted to go a bit deeper, though, to see how much genetics played a role in the horse's legendary career. Using the horse's silvered hooves, his research team discovered that Seabiscuit's genotype was typically associated with late bloomers, a finding confirmed by the horse's track record.

Horse racing's most notorious trainer

Few names are as synonymous with American horse racing as Hall of Fame trainer Bob Baffert. He has trained seven Kentucky Derby winners and two Triple Crown winners. But he also amassed over 30 drug violations in his career. This LA Times article dives into the suspensions and bans, and gives Baffert a space to defend his complex legacy in horse racing. (Some users may experience a paywall.)

Abandoned racetracks can be found via Google Earth

With auto racing a favorite American pastime in the 1900s, tracks both small and large were built across the country. Some were local tracks used for small races, while others were super-speedways used by NASCAR.

What it takes to become a professional jockey

This short documentary follows a young, amateur jockey through early mornings and exhaustive gym sessions, where she rides a simulator made to look like real horses. It's a peek into a highly specialized (and highly unusual) athletic pursuit.

The global horse market is worth about $400B

In this podcast episode from a new series on horses, Freakonomics explores the market around buying and selling some of the world's top sport horses, and the nebulous forces that make them so valuable.

The true origins of the Western tumbleweed

Tumbleweeds are iconic features of classic American westerns, seen blowing across a desert landscape as a cowboy walks into town. But this species isn't native to the US Southwest. In fact, it was unintentionally imported from Russia. As farmers loosened the ground in the West, they created the perfect breeding ground for the Russian thistle tumbleweed to flourish there. Watch more on its history here.

Teen rides stranded scared horse to safety—14 miles out of burning canyon

When wildfires tore through the Los Angeles area in 2025, resulting in one of the worst natural disasters on record, one 16-year-old equestrian named Kalyna Fedorowycz bravely rescued an animal. She saw a horse named Sovereignty in the evacuation zone of the still-raging Palisades Fire, and led and rode him for 14 miles to safety. Sovereignty was eventually reunited with his owner.

The skinniest house in America was built out of spite

John Hollensbury was a brickmaker in the early 1800s, living in Alexandria, Virginia. He also had the misfortune of living next to an alley around 7.5 feet wide where horse-drawn carriages scraped against his wall and rowdy loiterers stood by. To solve his problem, he built what is now known as the Alexandria Spite House. Read more about the home created to end neighborhood riffraff.

The first American roller coaster was built at Coney Island

LaMarcus Thompson was an inventor and businessman who developed the first US amusement park ride in the 19th century and sparked a booming business. Customers spent a nickel to coast on wheeled benches over gentle hills, leaving Thompson with around $600 per day in profits.

The anthropological origins of modern race science

The year 1961 saw the launch of The Mankind Quarterly, a new scientific journal of anthropology that hid its political propaganda behind a veneer of academia, expecting readers to assume whatever lay in its pages was scientifically proven. This in-depth article details how this journal pushed race science in the hopes of blocking racial integration in the US and preventing the immigration of those outside of Western Europe.

Cyrus McCormick invented the mechanical reaper—and a territory-based sales force

In the 1830s, farmers were skeptical of new technology, so McCormick demonstrated the machine—described as a cross between a plow, a chariot, and a flying object—to prospective buyers. Long before modern sales norms existed, he divided the market into territories operated by agents who provided service on the machines, financing to expand the customer base, and product iteration based on feedback from regional agents.

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.

Paul Revere rode to Concord to warn rebel leaders of British attack

Revere was a well-known Boston messenger and an excellent horseman, known as a reliable relayer of messages. As Boston’s patriot leaders spread out into the areas around the city in fear of British arrest, Revere turned his skills to aid the revolutionary moment.

Premarin, the hormone medication derived from pregnant horses, is 'PREgnant MARes urINe'

Scientists in the late 1920s and early 1930s discovered estrogens could be extracted from human placenta, and then isolated it from the urine of pregnant women. But researchers discovered the urine of pregnant horses had similar substances and the horse product was much easier to collect in significant amounts—leading to Premarin.

Henry Varnum Poor published a guide to the railroad industry in 1860

Poor's guide to the railroad industry helped investors evaluate changes and business decisions that might impact their investments. It was the first step in building the thorough datasets tracking companies and industries that Standard & Poor's is known for today.

One dad, one hundred babies

A look at the companies offering surrogacy to the ultrarich—including Chinese men taking their reproductive cues from Elon Musk.

A photo essay on 'French ring,' the storied sport for disciplined protection dogs

The sport dates back to the 1800s in France and tests canine agility, discipline, and aggression in protection dogs. This photo essay follows Judo de Loucyn, a 72-pound Belgian Malinois, the sport's preferred breed, as he competes in obstacle clearing, long jumps, and obedience and attack drills in the North American Ring Association Western Regional Trial in Arizona.

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.

Explore the independent lines of evidence behind the theory of evolution

Gradual changes in organisms have been directly observed through artificial selection—humans purposely selecting organisms to breed to pass on specific traits—and in organisms with short lifespans, such as insects and microbes. Analyses of DNA and anatomical structures across different species, as well as fossil records, also reveal ancient shared ancestry consistent with natural selection.

Cross-species transplantation has been attempted in medicine for more than 300 years

Early reported xenotransplantation attempts included 17th century efforts in France to transfuse blood from animals into humans. The poor results prompted France to issue a xenotransplantation ban. In the 19th century, researchers tried animal-to-human skin grafts from species including sheep, rabbits, dogs, cats, rats, chickens, and pigeons.

John Snow—not the one from 'Game of Thrones'—determined that contaminated water sickened London

His pioneering epidemiology work during an 1854 cholera outbreak mapped out the commonalities between people in London who were getting sick. He discovered that ill people were getting water from the same Broad Street pump. Before Snow's work, the prevailing theory was that bad air sickened individuals instead of cholera-causing bacteria in the water.

A pair of engineers began Tesla to prove the viability of electric vehicles

Martin Eberhard and Marc Tarpenning sought to design a high-end electric sports car for environmentally motivated, affluent buyers. The Tesla Roadster would be the first highway-legal car to use lithium-ion batteries.

View a breakdown of worldwide oil production since 1900, mostly led by the US

When analyzing the production of crude oil, shale oil, oil sands, and condensates since the start of the 20th century, Saudi Arabia produced more crude oil only in 1977, from 1979 to 1981, and from 1991 to 2016. Nations such as Iraq and the United Arab Emirates produced much smaller quantities than both Saudi Arabia and the US.

Photography helped eradicate US child labor

For employers in the early 20th century, child laborers had one major perk: They weren't unionizing. They were cheaper than their adult counterparts. But with the help of a photographer named Lewis Hine, who took photos of children at work, child labor in the US was eventually restricted by law.

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.

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

Hear about the 250-year history of the United States Postal Service, complete with some of its strangest deliveries, important innovations, and the figures that made it an American institution.

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.

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

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

Trace how the Bill of Rights, inspired by centuries of political theory, took shape between 1774 and 1789.

Indefinite cloning of some endangered species may not sustain their longevity because cloning success rates decrease as genetic mutations accumulate.

The name 'Silicon Valley' arose from the founding of Shockley Semiconductor Laboratory in Fairchild Semiconductor in 1956-57, founded near Stanford University in Palo Alto

In its famous catalog, Sears sold $600 DIY house kits from 1908 through the 1940s, resulting in an estimated 100,000 'Sears and Roebuck homes.'

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

The Great Salt Lake's distinct dual coloration results from high-salinity organisms that only live in the northern portion and produce a purple protein.

Explore the history, structure, and species of Australia's Great Barrier Reef with this interactive journey narrated by Sir David Attenborough.

Watch a 1934 short film starring jazz legend Cab Calloway, a major figure in the Harlem Renaissance's music scene

Hedge funds, the private investment firms that trade a wide swath of financial assets, make money by imposing steep fees on investors and from the fund's investment performance.

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

Double world record holder Hunter Ewen helped conquer his fear of balloons, called globophobia, by training to win Guinness World Record titles for balloon inflation.

Brandi Chastain, the star of the 1999 US victory over China in the 1999 Women's World Cup, was a last-second choice to take the penalty kick that sealed the victory.

Watch contemporary footage covering the US-backed Shah of Iran fleeing the country in the face of the 1979 Iranian Revolution

This site reaches millions of visitors who are tired of AI chatbots and seeking human connection. Pretend to be an AI chatbot and ask questions, provide answers, and draw for people in real time.

The distributor behind 'Rocky Horror' pulled the film from its scheduled national release, believing it would be a failure, though it eventually amassed a dedicated fanbase through midnight showings, a trend that continues over 50 years later.

Visualize the path of every solar eclipse from 1900 to 2099 and see what each looks like when observed from different locations on Earth.

Georgia O'Keeffe's flower paintings are often assumed to be sexual, though the artist claimed she was simply interested in highlighting the beauty of flowers that most people neglect