The evolution of the baseball bat

The history of the tennis racket

Today's tennis rackets are made from lightweight composite materials, which is a big reason power, speed, and spin dominate today's game. But they weren't always built this way. This Top Sport Gear video shows the evolution of the tennis racket, from its start as medieval paddles, to the wood rackets of the early 1900s.

Every baseball used by the MLB only lasts about 7 pitches before it's discarded.

MLB 2023 rules changes were the most dramatic alterations in decades, drastically speeding up the game.

Before 1920, during the Deadball Era, a single baseball was used throughout a Major League game, leading to a notoriously dirty style of play.

A history of the rare, chaotic moments when MLB batters charge the pitcher on the mound

They typically occur when a pitcher has slung a pitch a little too close to the batter—though the exact causes vary, from quick tempers to longstanding grudges. No definitive account of these infrequent but highly visible incidents has existed, so sportswriter Jon Bois compiled data on 264 such moments between 1950 and 2025. The resulting 23-minute video explores the rich narratives leading to these charged events.

Some North American bats can glow in the dark

After examining 60 museum specimens from six different species, scientists found that all of them emitted light after being exposed to ultraviolet radiation. Researchers are perplexed by this natural phenomenon and are currently unable to deduce the reason behind it.

Major League Baseball, explained

Major League Baseball is America’s oldest professional sports league. Alongside triumphs, the league has faced scandals, including drug abuse and steroid use, shaping its path over the decades. Today, MLB embraces new rules, international talent, and a growing connection to legalized sports betting.

A visual guide to identifying baseball's pitches, from common pitches like 'fastball' and the 'change up' to specialty types, like 'cutter' and 'slurve.'

Some say baseball's drug problem goes back to the late 1800s

At age 32, pitcher James “Pud” Galvin was feeling tired and decided to take "the Brown-Séquard elixir," which contained a testicular fluid from dogs and guinea pigs, believed to invigorate tired bodies. It might've worked: Galvin pitched a two-hit shutout the next day.

100 moments that shaped baseball history

Published in 2018 by baseball historian Jacob Kornhauser, this list examines the defining moments throughout more than a century of play on the field, from Pittsburgh Pirates pitcher Dock Ellis purportedly throwing a no-hitter while on acid to Jackie Robinson breaking the color barrier.

Fourteen ways to make baseball cool again

Baseball, while commonly known as America's pastime, gets a bit of a bad rap for being long, slow, and boring. Here are fourteen fun ideas to make the sport more interesting to combat dwindling attendance.

Explore the data behind every Major League Baseball player's success rate with ABS, its new tech-assisted challenge system.

Sabermetrics, the empirical analysis of baseball statistics made famous by 'Moneyball,' redefined how people evaluate baseball players, overturning a century of assumptions about which metrics matter most.

A Boeing engineer created a next-generation pickleball paddle in the '80s

When Steve Paranto kept losing in the finals of his Pickleball tournaments, he told his dad Arlen the wooden paddles were holding him back. Then-Boeing engineer Arlen used spare composite floor panels to make the first fiberglass Pickleball paddle.

Visualize how changes to lineups, driven by modern analytics, could have changed one of MLB's most iconic moments.

Dragon seismometers, Baghdad batteries, and more ancient artifacts

The ancients were behind us in many ways, but some inventions from the time have not been surpassed in the modern era in effectiveness, beauty, or cleverness. This quick list of bizarre ancient inventions includes a battery from Baghdad, a Molotov cocktail-like explosive in Greece, and more.

Bats are uniquely suited to act as reservoirs of viruses.

Some of the deadliest diseases to jump from animals to humans originate in bat species. This rich visualization explores the diversity of bats and the factors that make them efficient vectors for harboring and transmitting disease, from their long lifespans to their migration patterns.

How baseball shaped Black America during Reconstruction

A cornerstone of the budding Black culture following the Civil War was baseball, with several clubs springing up in Black neighborhoods and leaders like Frederick Douglass cheering on the players, including his son, who played for a team in Washington. This detailed history of the early Black leagues unpacks how the game enhanced the upwardly mobile community—and why that fact led to the segregation of what would become Major League Baseball.

Measuring which nation has the most baseball fans

It's known as America's pastime, but just how devoted are Americans to baseball? FiveThirtyEight outlines several metrics indicating Puerto Rico may have the most devoted fanbase. See how they used an adjusted metric to rank the world's biggest...

A historical tree of technological advancement

Starting from stone tools millions of years ago and culminating in today's cutting-edge tech, this thorough genealogy lays out how humanity has progressed in its use of tools over thousands of years. See descriptions, links to further info, and how each tech fits in the larger tree.

Statcast, MLB's sophisticated real-time data analytics system, runs machine learning models in the 23-second gap between every pitch.

The agricultural origins of paintball guns

The paintball field industry—where players compete in pseudo-battle using the (minimally) harmless guns—is worth over $1 billion annually, and it continues to grow. This fun piece breaks down the relatively recent history of the industry by...

Some athletes warm up with equipment from other sports

Baseball superstar Shohei Ohtani uses a cricket bat; his teammate Yoshinobu Yamamoto throws a javelin. Quarterback CJ Stroud shoots free throws. The reasons are partially physical (it's good to exercise different parts of your body) and partially mental (it's nice to take the pressure off with someone else's game).

The Tsar Bomba was the most powerful nuclear weapon ever tested

In 1961, the Soviet Union detonated AN602—known as the Tsar Bomba—the largest nuclear explosion in history. Newly released Russian footage starkly illustrates the unmatched destructive power of this nuclear weapon.

Every MLB baseball needs to be rubbed with a special kind of mud, provided by one New Jersey family.

How Shohei Ohtani made baseball fun again

To rise to the level of Major League Baseball in recent decades, a player needs to become a specialist in at least one of the sport's many skills: hitting, pitching, throwing, running, fielding. For decades, this specialization has made a so-called...

Sidearm pitchers—who throw the ball at an odd angle, sometimes very close to the ground—are a rarity in modern baseball, which often makes them more difficult for batters to hit.

Fantasy sports' roots go back to an 1860s parlor game that simulated real-world baseball.

'I swing big, with everything I've got. I hit big or I miss big. I like to live as big as I can.'

- Baseball legend Babe Ruth (1895-1948)

Explore some of the best baseball books, including Michael Lewis' influential 'Moneyball' and Bob Uecker's autobiography 'Catcher in the Wry.'

A 1930s card game birthed modern fantasy sports

"National Pastime" used the statistics of real Major League Baseball players to determine a winner, creating the template for the modern fantasy sports model.

Bats have evolved to carry viruses without getting sick

Bats—the likely animal reservoir for diseases including Ebola and coronavirus—tolerate viruses without getting sick. The secret lies in evolutionary adaptations allowing bats to become the world’s only flying mammal and to thrive under immense physiological stressors.

The 2026 MLB season is the first to allow players to challenge umpires' calls on balls and strikes.

Check out a list of the top 100 players in baseball history, from Barry Larkin to Babe Ruth.

An eephus is a high-arc pitch usually thrown by position players filling in for pitchers in blowout games.

Fenway Park is the oldest professional baseball stadium in use

The legendary park was built in 1912 and is considered hallowed ground for baseball fans, along with iconic venues like Yankee Stadium in the Bronx and Wrigley Field in Chicago.

A Bay Area lab was supplying MLB players with steroids

The Bay Area Laboratory Co-operative, also known as BALCO, began as a modest vitamin shop, but by the 1990s it was at the center of a doping scheme that rocked Major League Baseball and other professional sports.

How golf equipment is made

With just clubs, a ball, and a tee, the game of golf doesn't have the amount of equipment seen in other sports. But each piece of equipment has a very intricate process for its creation. Watch this Science Channel video to see the specialized equipment used to create golf balls, golf clubs, golf carts, and golf tees.

Tennis balls get their bounce from pressurized nitrogen inside vulcanized rubber, made from heating natural rubber with sulfur to create molecular links that harden the material.

Three examples of how humans are still evolving

For much of nature, natural selection and "survival of the fittest" still play a dominant role; only the strongest can survive in the wild. As little as a few hundred years ago, the same was true for humans, but what about now?

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.

Inside MLB's robo-umping experiment

Human umpires call roughly 94% of pitches right overall, but performance reduces on borderline pitches in high-leverage moments, the calls that shape game outcomes most. A professor and historian analyze early experiments with the full "robot ump" system that helped shape MLB's decision to implement a compromise "challenge" system.

Henry Chadwick invented the box score in 1859—and wrote off walks as a pitcher's failure

Modern bodybuilding evolved in the 19th century.

A dispute about the origin of twitching frog legs led to the invention of the first battery

Experiments by Luigi Galvani on exposed frog leg nerves showed activity when they were hung from iron railings and brass hooks, suggesting the existence of "animal electricity" that discharged when connected to metals. Alessandro Volta's voltaic pile, which stacked metals with an inorganic electrolyte, showed that electricity originates from chemical reactions.

Before 1932, when particle accelerators were first used for nuclear research, scientists relied on naturally radioactive substances to advance their understanding of the atomic nucleus.

Bowling was long male-dominated, but women pushed for change through the sport

The sport was often played on lawns attached to breweries and became a leisure activity for folks in taverns—mostly men, in the 1800s. But the game's highly communal nature attracted a more diverse set of participants who pushed for social change.

The original basketball was hand-sewn

When the first basketball landed in a peach basket in 1891, it didn't look like the leather Wilson ball you see on today's NBA courts. The basketball evolved from the nondribbling days, when a hand-sewn ball with stitching like a football was used.

F1 cars have evolved through the decades

Formula 1 has continued to evolve since its first race in 1950. Early cars featured front-mounted engines, narrow tires, and speeds of up to 180 mph. In 1958, rear-engine designs, like the Cooper T43, improved handling and balance. The 1960s brought lightweight materials and wings, which enhanced stability by generating downforce. Ground-effect designs of the 1970s revolutionized grip and cornering but were banned in 1982 due to safety concerns. By the 1990s, hybrid turbo engines and energy recovery systems emerged, improving performance. Today's F1 cars integrate advanced aerodynamics and hybrid technology, reaching speeds of over 220 mph.

Cricket used to be America's pastime

Before baseball, American football, basketball, or hockey ever organized in the US, there was one sport which could be found up and down the East Coast: cricket. The second-most popular sport in the world, cricket is mostly ignored by Americans, despite its prevalence in early American history. Learn more about the forgotten role cricket played in the US with this article.