The death of Dale Earnhardt Sr. at the 2001 Daytona 500 is credited with sparking a safety revolution in NASCAR

The tragic death of Dale Earnhardt Sr. changed NASCAR safety forever

When Michael Waltrip crossed the finish line at the 2001 Daytona 500, it was his first win. But the celebrations quickly turned to sorrow when everyone learned that Dale Earnhardt Sr. had died in a final-lap crash. Within eight months after the collision, nearly every driver wore head-and-neck restraints before a mandate took effect.

NASCAR’s SAFER barriers help reduce tragedies at races

Following the death of Dale Earnhardt Sr. in 2001, NASCAR changed its culture to be safety-first. Part of its changes were to install barriers along tracks that would help absorb the majority of g-forces in a crash. This Daily Downforce article walks through the history of the SAFER barriers, why NASCAR originally chose concrete, and how much of the tracks are covered today.

After a tragic 3 decades, F1 created better safety measures

The first three decades of Formula One saw 41 drivers die in competition; since 1980, only 11 have perished. The reduction is due in large part to better safety measures. This article highlights every safety improvement made by year since F1 started, and describes the accidents or deaths that led to the rule changes.

Austin Dillon appreciates the nuts and bolts of car safety after his horrific crash

When Austin Dillon’s No. 3 car left the Daytona track in 2015 and smashed into the safety net protecting the grandstands, his car shattered, leaving only the driver’s cage spinning on the infield. Crew members from every team sprinted to the mangled wreck, and miraculously, Dillon walked away.

The original 1959 Daytona 500 significantly changed racetracks

After several years under construction, the inaugural Daytona 500 at the newly opened Daytona International Speedway was held Feb. 22, 1959. The race was aired on television and featured future star Richard Petty, old-school pit stops, and the infamous photo finish that took days to sort out a winner.

NASCAR started declining in 2007

In the 1990s and early 2000s, NASCAR was one of the biggest sports in North America. It was racking up ratings and ticket sales on par with the NFL, and even beating the NBA Finals viewership. Ratings went down in 2007 and stayed there until 2018 due to a number of factors such as a changing media landscape, rule changes, and the retirement of popular drivers.

World War II innovations helped advance car racing

Modern American auto racing began in the 1920s with bootleggers modifying cars to outrun authorities. World War II innovations like better engines and surplus parts fueled post-war racing. By 1947, Bill France Sr. founded NASCAR, creating a unified league with consistent rules, transforming stock car racing into one of America’s favorite sports.

NASCAR's latest car design brings back its 'stock' roots

In 2022, NASCAR unveiled its Next Gen car, and the changes were some of the most significant in decades. Teams no longer design each car part, but purchase them from a single source, bringing greater parity.

The NASCAR championship trophy has evolved for decades

From the Winston Cup’s reign from 1971 to 2003, to the Nextel/Sprint Cup awarded from 2004 to 2016, this NASCAR video shows the evolution to the new Bill France Trophy with every track outlined.

Senna died after a crash at the San Marino Grand Prix in 1994

When Ayrton Senna tragically died at the 1994 San Marino Grand Prix, it shocked the Formula One world. He was not only the best in the sport, but at the top of his game. The tragic episode came just a day after driver Roland Ratzenberger died during qualifying.

Each person on a racing pit crew has a specific task

No matter what track a NASCAR driver is on, they will eventually need a pit stop to change tires and add fuel. When the cars skid into their pit box, every millisecond counts. This long-form documentary from Joe Gibbs Racing shows the training each pit crew member goes through.

The Challenger disaster led NASA to create an independent safety office

In response to the Challenger accident, NASA established the Office of Safety, Reliability, and Quality Assurance—now known as the Office of Safety and Mission Assurance—to strengthen oversight, elevate safety concerns, and mitigate managerial pressure on technical decisions.

A tragic injury led to the original NHL All-Star Game

The annual NHL All-Star Game is a joyous affair celebrating the best players each season. But its origins came from one of the most terrifying moments in hockey history. In a 1933 game, Maple Leafs wing Ace Bailey was nearly killed on the ice, and the NHL organized a benefit game to raise money for his family.

Korey Stringer, of the Minnesota Vikings, died of heat-related illness in 2001

In response, the NFL overhauled its heat approach and no other player has since died from heat-related illness. Even at the high school level, research suggests safety measures should include: mandating water breaks, keeping a cool tub available, and having athletes acclimate to high-temperature playing conditions for a week or longer before donning the full set of protective equipment.

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.

America's top causes of death are heart disease, cancer, accidents, and stroke

Heart disease killed more than 680,000 people in 2023 and cancer killed around 613,000 people that year. Both causes of death are far above the next leading cause of death—accidents, which numbered around 223,000. Provisional data for 2024 indicates the leading causes of death remained the same.

Why train derailments happen, 101

In 2021 alone, there were over 1,000 reported derailments in the US—and no amount of maneuvering will reduce those numbers to zero. This 101 explains the causes of train derailments and how safety protocols look to limit them each year.

The biggest controversies of the NFL

Some of the biggest controversies in NFL history didn’t just spark debate—they changed the game. From Spygate and Deflategate to concussion research and the league's ambivalent stance on it, these moments led to new rules, safety measures, and major policy shifts. Explore how each scandal shaped the league and its future.

Driver education was largely removed from public schools in the 1990s

Maintaining fleets of cars proved too expensive for many school districts, relegating driver education to private classes taken outside of school.

Father's Day started as a tribute to deceased coal miners

In 1908, a church in West Virginia honored 362 men who had been killed in a coal mining explosion the previous year. However, Father's Day wouldn't be declared a national holiday until 1972.

Tony Hawk landed the first-ever 900 at the 1999 X Games

Tony Hawk made history by landing the first 900-degree spin in competition in 1999 after 11 attempts—creating one of the most iconic moments in action sports.

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 1999, King survived a near-fatal car accident

In 1999, a distracted driver hit writer Stephen King as he walked on the side of the road near his house in Maine. He recounts the event in his famous memoir, "On Writing." This interview with Katie Couric took place five months after the accident and shows King in a fragile state, wondering about the long-term effects on his mind. When Couric asks if he'll try to work the incident into his work, he smiles. "Sooner or later," he says, "everything goes in."

University of Virginia has the nation's premier near-death studies department

Researcher Bruce Greyson has been studying this phenomenon at the University of Virginia for decades, where he now directs the Division of Perceptual Studies. This piece from the university’s magazine explores the breadth and substance of the department, founded by pioneer researcher Ian Stevenson.

Hear the story of the first paramedic services, which grew out of a community training program in 1960s Pittsburgh

Before 911 existed, cities sent police cars or hearses from funeral homes to medical emergencies. In 1967, a group of young Black men in Pittsburgh changed that, developing the training protocols and lifesaving techniques that became the foundation of modern EMT response.

Watch Ray Dalio's TED Talk on building an 'idea meritocracy'

In 2017, Dalio gave a TED Talk called "How to Build a Company Where the Best Ideas Win," which largely focused on Bridgewater's highly documented company culture and leadership principles. Dalio's TED Talk focused on one of his most well-known principles, "radical transparency," as a way to create an idea meritocracy.

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

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.

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.

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

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.

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.

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.

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 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.

Cultural norms about how to handle the bodies of loved ones in communities in West Africa have hampered Ebola responses.

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

A researcher recently discovered an interview from 1967 between groundbreaking journalist Joan Didion and the Grateful Dead, years before the band became an institution.

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.

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.

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

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

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.

The American Society of Civil Engineers' infrastructure report card gave the US a C in 2025, its highest grade since the project launched in 1998.

Louisiana's 'Cancer Alley' is infamous for having some of the highest industrial pollution, toxic air emissions, and cancer risks in the US.

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.

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.'

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

Explore the known asteroids, comets, and spacecraft involved in asteroid studies within our solar system with 'Eyes on Asteroids,' a 3D visualization from NASA.

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