'Muggle’ entered the Oxford English Dictionary in 2003

MuggleNet became the internet's largest 'Harry Potter' fan community

Launched in 1999, MuggleNet attracted millions of readers with news, theories, and fan-fiction. It helped define early online fandom, later expanding into podcasts, books and events.

The first ‘Harry Potter’ book was retitled for US readers

Scholastic changed "Harry Potter and the Philosopher’s Stone" to "Sorcerer’s Stone" in 1998, fearing the original title sounded too academic and might confuse American readers unfamiliar with the word’s magical meaning.

Listen to an academic analysis of the 'Wizarding World of Harry Potter'

Potterversity examines the Harry Potter series through an academic lens—inviting scholars from diverse fields to uncover new interpretations and deeper meanings within the book series.

'Harry Potter' became one of the most successful franchises in history

What began as a story written in cafés by an unknown author grew into a global phenomenon—spanning seven books, eight films, theme parks, and video games—reshaping modern popular culture.

'The Wizarding World of Harry Potter' brought the books to life in theme parks

Opened in 2010 at Universal Orlando, the immersive attraction recreates Hogwarts, Hogsmeade and Diagon Alley. Additional Wizarding World lands now operate at Universal parks in Japan, Hollywood, and Beijing.

'Harry Potter’ inspired a real-life version of Quidditch

Created by college students in 2005, the broomstick-based sport became an international phenomenon with organized leagues and World Cup tournaments. Now called Quadball, it’s played in more than 40 countries worldwide.

Translating ‘Harry Potter’ required creativity across 60+ languages

This Vox video explores how translators adapted JK Rowling’s wordplay, invented spells, and cultural references—reimagining names and magical terms while attempting to preserve humor, rhythm, and meaning for readers around the world.

Imagining how genetics works in 'Harry Potter' and how muggle-born Hermione is a witch

Dr. Robert Pyatt, director of Sanford Health’s medical genetics lab, talks through real-world genetics scenarios in the Harry Potter series, from the Weasley's red hair and freckles to why Hermione, a witch, could be born to "muggle"—or nonmagical—parents.

The word ‘fantasy’ wasn't used to describe the genre until the 20th century

The word—at least as a word used to describe fiction—didn’t appear in the Oxford English Dictionary until 1949. Scholars believe that’s due to the arrival of the Magazine of Fantasy and Science Fiction, an influential publication, and the rise in fantasy’s popularity following World War II.

Hogwarts Legacy was 2023’s bestselling video game

Set a century before the books, Hogwarts Legacy lets players explore an open-world version of the wizarding world. Released in 2023, it sold more than 30 million copies worldwide, topping global sales charts.

JK Rowling first thought of 'Harry Potter' on a delayed train in 1990

The idea for a young boy discovering he was a wizard came to Rowling during a train ride from Manchester to London. Over the next seven years—while facing personal loss and financial hardship—she completed the first book as a single mother living on welfare.

The word 'hoax' comes from the phrase 'hocus-pocus'

The famous phrase "hocus-pocus" combines liturgical Latin and gibberish. It's a silly series of words often said during magic tricks. The phrase naturally evolved into "hoax" over time and became a standard English word around the year 1800.

Oxford University Press names 'rizz' its 2023 word of the year

Oxford University Press, the publisher of the Oxford English Dictionary, has named “rizz” the 2023 word of the year. It's an abbreviation of the word "charisma," which is defined as an ability to charm or attract others. The word defeated three other words via public vote. Read more here.

'Book of the Dead' spells were often written directly on the mummy bandages

Archaeologists have identified over 200 spells inscribed on various funerary objects, including coffins, scrolls, mummy wrappings, and more. Later historians compiled the spells in single volumes, giving them the cinematic name "Book of the Dead."

Memes emerged in the 1980s and 1990s

Today's Internet users might think of memes as references spread online through images, videos, and audio clips. But the merger between memes and the internet didn't happen until the 1980s and 1990s—years after the term meme was first coined to describe a different phenomenon.

Shakespeare wrote in an early form of Modern English—not Old English

Old, Middle, and Modern English are three distinct language eras. A speaker of Modern English wouldn’t be able to understand Old or Middle English.

Mortgages evolved from exclusive agreements for the wealthy into a key part of homeownership today

The word "mortgage" comes from medieval French, meaning "death contract"—but the modern American mortgage has a more recent and complicated history. This explainer looks at how mortgages evolved from exclusive agreements for the wealthy into a key part of homeownership today, including the impacts of New Deal policies, redlining, and the Fair Housing Act.

‘Namaste’ was popularized in the English language after India gained independence

The word, which roughly translates to “I bow to you,” is a greeting often used in yoga. The word began appearing in American publications more frequently following the country’s liberation, and was standardized shortly thereafter.

Why say 'migraine' instead of 'migraines'?

Language choice can affect people's assumptions and beliefs about the subject at hand, which is why some would prefer "migraine" to be treated as a singular and plural noun. This American Migraine Foundation article examines the logic behind the grammar choice.

Ogilvy & Mather rebranded to just ‘Ogilvy’ in 2018

This was far from the first brand evolution the agency itself has gone through in its more than century-long history. The agency now known as “Ogilvy” started as a London advertising agency founded in 1850 by Edmund Mather. By 1964, it became known as Ogilvy & Mather after merging with a New York City agency that was founded in 1948 by David Ogilvy.

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.

‘Moshing,’ an aggressive style of dancing, was initially called 'mashing'

The style, which involves audience members thrashing their bodies into one another, evolved from “pogoing,” a style popular in England where listeners jumped up and down in place. The term “moshing,” sometimes called “slam dancing” in California, is believed to come from HR, the lead singer of Bad Brains.

What is mixed reality?

Mixed reality is a technology that blends the physical and digital worlds, allowing virtual and real objects to coexist and interact in real-time. It combines elements of both virtual reality and augmented reality, enabling users to perceive and manipulate digital content as if it were part of their physical environment.

Nintendo developed the character as its technology improved

Nintendo developed the Mario character as video game technology became more sophisticated. In 1991, Charles Martinet began playing Mario at trade shows and then voiced the character for 1996’s “Super Mario 64,” which included the now-classic catchphrase, “It’s a-me, Mario!”

Measles was declared eliminated in the US in 2000

Following a decades-long vaccination campaign, health officials declared victory over measles. This formal definition does not mean limited outbreaks no longer occur, but that ongoing endemic transmission for longer than 12 months has been prevented.

The first robot in literature may have been a 'mechanical man' in 1907's 'Ozma of Oz,' a book in L Frank Baum's 'Wizard of Oz' series.

The word 'jazz' evolved from 'jasm,' 19th-century American slang for 'energy'

Some Pokémon have been named after real and fictional organisms, while some real-world species have been named after Pokémon, such as Chilicola charizard and Binburrum zapdos.

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.

The story of Dollree Mapp, whose legal challenge over her 1957 conviction for possessing "obscene material" led to a major strengthening of the Fourth Amendment

The first horror movie is believed to be George Méliès' 1986 short 'The Haunted Castle,' which pioneered the use of special effects

Browse a detailed visual analysis of over 200,000 similes—comparisons that often use 'like' or 'as'—from popular fiction to see how frequently writers the same idiomatic expressions.

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

Memecoins are a type of cryptocurrency—a form of digital currency with a wide variety of uses—created around popular 'memes,' or viral internet jokes.

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.

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

Roughly 43 million US borrowers owe roughly $1.7T in student debt, the second-largest source of consumer debt behind mortgages.

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

In 2025, four executives from large tech companies were given positions in the US Army Reserves—including Palantir Chief Technology Officer Shyam Sankar, which reinforced Palantir's ties with the US military and its role as a leading defense partner.

The term 'algorithm' originated from the Latinized name of al-Khwārizmī, a 9th-century mathematician whose works introduced Arabic numerals and the decimal-based numeral system to Europe and whose treatise 'Al-Jabr' gave algebra its name.

According to the physics of black holes, our 4D reality may be a hologram—a projection of information coded on a 2D surface on the edge of the universe.

A century of Billboard issues documenting the evolution of popular music.

'Silent' fireworks have gained more interest in recent years as a quieter celebratory option.

Mid-century modern graphic designers, known for their bright colors and bold lines in advertising, also found success with children's books.

Children are now three times more likely to say they want to be a YouTuber when they grow up than an astronaut, with some even attending 'YouTube camps' that teach kids how to create content for the platform.

Tattoos remain visible on your skin thanks to immune cells called macrophages

One of the most famous portraits ever taken is 'Afghan Girl' (1984) by Steve McCurry, yet the subject Sharbat Gula went much of her life without being identified or benefitting from the image's success.

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.

Before writing 'Walden,' transcendentalist Henry David Thoreau nearly burned down his hometown with a campfire that grew out of control.

Explore the archaeological treasures of Pompeii, the city buried under volcanic ash when Mount Vesuvius erupted in 79 CE.