25 things you might not know about ‘Harry Potter,’ from John Green

'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.

Read JK Rowling's original 'Harry Potter' pitch that a dozen publishers rejected

Rowling claims 12 publishing houses rejected the pitch first written in 1995—which contained this letter and the story's first few chapters—before Bloomsbury accepted it.

'Harry Potter’ became the first kids' book to top the New York Times list since 1952

After its 1998 US release, "Harry Potter and the Sorcerer’s Stone" reached No. 1 on The New York Times Best Seller list—the first children’s book to do so since "Charlotte’s Web." By September 1999, the first three books held the top three spots on the list.

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.

One 'Harry Potter' fan fiction deals with cognitive science and philosophy

Eliezer Yudkowsky's "Harry Potter and the Methods of Rationality" is not your typical fan fiction: It uses JK Rowling's fictional universe to wrestle with rationalist philosophy and the physics behind the magic taught at Hogwarts. The book went on to become popular in Silicon Valley, especially in the effective altruism movement.

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.

Rowling adopted initials to appeal to young male readers

At her publisher’s suggestion, Joanne Rowling used the pen name “JK Rowling,” believing boys might be less likely to buy a fantasy novel written by a woman.

Go behind the scenes of the making of the ‘Harry Potter’ films

See a rare look at how the beloved series was brought to life—from set design and visual effects to interviews with cast and crew who shaped the wizarding world on screen.

Researchers found that reading ‘Harry Potter’ made children more tolerant

Psychological research showed that children and young adults who read Harry Potter developed greater empathy and more accepting attitudes toward marginalized groups.

Jane Austen by the numbers

This feature from the Guardian takes a unique approach to Austen's literature, breaking her life, work, and fandom down into data. The slide deck includes comparative analyses of character employment, net worth, and age. Below is a breakdown of Austen's unexpected posthumous rise to fame.

King has published more than 60 novels

Since 1974, the writer has published a staggering number of books, often releasing a title a year (and sometimes more than that). This comprehensive list from King's official website lists everything the man has ever done, including unpublished stories, long-forgotten television specials, and limited edition novels. It's a fascinating look into the artistic life of one of America's most successful writers.

Exploring the life of Colleen Hoover, one of romance's most popular authors

The writer is one of the bestselling names in fiction, with her book sales in 2022 surpassing those of the Bible. This profile unpacks her fast rise to fame, including the story behind her first book, which began as a self-published e-book but quickly found its way onto the New York Times bestseller list.

The New York Public Library reveals its 10 most checked-out books of all time

In the library’s 125-year existence, these were the 10 most popular books — and one book that isn’t on the list, but should be.

Famed historian David McCullough on five things to know about the Wrights

The bestselling author of popular, beloved histories on US presidents, engineering feats and disasters published a study of the Wrights in 2015. Here. he highlights five key facts to know about the brothers, including that their efforts were bootstrapped—meaning they paid for their work themselves with no outside investors.

'Potter Puppet Pals' was one of the internet’s first viral videos

Created by animator Neil Cicierega in the early 2000s, Potter Puppet Pals featured felt puppets parodying the Harry Potter characters. Its 2007 video “The Mysterious Ticking Noise” became an early YouTube sensation, amassing more than 200 million views.

Hear why one author thinks college rankings may be irrelevant

For more than three decades, US News & World Report has released an annual ranking of the country's best colleges. An extremely influential list that can determine application volume, funding decisions, and more, the rankings have been compiled by a secret algorithm indecipherable to many on the opposite side of the table. Author Malcolm Gladwell attempts to unpack the calculation, ultimately raising the question: How relevant is the list?

Many startup founders pull out-of-the-box stunts to get their businesses off the ground

Do you know Airbnb’s founders used cereal (yes, as in the breakfast food) to secure their initial round of funding? Or that PayPal’s founders once gave out free money to get people to sign up for the platform? These stories might be crazy, but they’re not uncommon.

See the world's top 20 billionaires in 2026

This data visualization shows the 20 wealthiest people in the world as of January 2026. Topping the list with a net worth of more than $713B is Elon Musk, trailed by Larry Page ($258B), Jeff Bezos ($251B), and Larry Ellison ($243B).

Famously frugal Warren Buffett owns a private jet

Buffett still lives in the same house he bought in 1958 for $31.5K. He has pledged to donate 99% of his fortune to charity. Yet he owns a private jet called "The Indispensable" (formerly called "The Indefensible" because he had no defense for buying it).

Stephen Hawking's children's books help make science fun and accessible for kids

Stephen Hawking co-wrote "George’s Secret Key to the Universe" with his daughter, Lucy, to introduce young readers to big questions about the cosmos. In the first book, the protagonist rides a comet and discovers that black holes aren’t black.

How John D. Rockefeller became the world's first billionaire

From a young age, John D. Rockefeller knew he was interested in business. He worked as a bookkeeper and sold candy prior to starting the business empire that would help cement the Rockefeller name in history: Standard Oil.

Tom Hanks reportedly made around $65M for the film 'Forrest Gump'

His salary for the Forrest role is one of the highest-paid parts in movie history. This article details others, from "Gravity" to "Alice in Wonderland."

Hank Green on the problem with being a creator

YouTuber Hank Green takes over The Financial Diet's platform to talk about the creator economy. He walks the audience through the financial decisions involved when making content. He also describes brand deals, and who actually owns the content posted on social media platforms—the creator or the platform itself?

Thirty weird facts about Christmas trees

From its fascinating origin to how yours is grown today, these incredible Christmas tree facts will add a little bit more wonder to your holiday season.

The story behind one iconic meme

The 2012 post titled "Just a book owners smile" shows 11-year-old Maggie Goldenberger—resplendent in her braces, pigtails, and treasure map-like vest—holding a trio of Goosebumps books and grinning wildly at the camera. Another user quickly captioned it, "GERSBERMS. MAH FRAVRIT BERKS."

Netflix profits when you're not watching, and its movies are designed that way—read a detail-rich critical essay exposing lesser-known Netflix takes

Explore fun facts from the USPS, including unique post office buildings, a stamp that traveled past Pluto, and more.

Explore a list of the 100 best novels of all time, compiled by some of the world's best living writers, including Salman Rushdie, Stephen King, and Jennifer Egan.

How the most famous Ebola book, The Hot Zone, which sold 3.5 million copies and was translated into 30 languages, got aspects of the disease so wrong.

SpaceX's S-1 or 'prospectus' revealed many previously unknown details about the company, including its unprofitability despite doing $18.7B in revenue in 2025, exactly how many voting shares Elon Musk will have in the company (roughly 85%), and more.

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.

Warren Buffett's former professor Benjamin Graham is known as the 'father of value investing,' a strategy in which investors seek to buy stocks trading below their intrinsic worth.

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.

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

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.

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

Up to a million Girl Scouts sell about 200 million cookie boxes every spring, generating $800 million, largely because refusing a child is frowned upon

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.

Exploring the Larry Bird punch that almost changed March Madness

Lesser-known phobias include turophobia, or the fear of cheese, and nomophobia, the fear of being without your cell phone.

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.

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

See how fireworks are made and learn how metals like magnesium and copper are responsible for different colors.

In 2009, the nation was gripped by the story of a missing young boy who was believed to be floating over Colorado in a homemade balloon, until it was revealed that he was at home the whole time.

Many legends about George Washington, including his supposed wooden teeth and the story of cutting down the cherry tree, lack evidence.

One disco producer saw 'Star Wars' four times on its opening weekend and was so inspired that he recorded the album 'Star Wars and Other Intergalactic Funk,' which produced a chart-topping single.

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.

This poison ivy knowledge quiz—accompanied by photos of the plant's varied forms—may help you identify this common rash-inducing growth.

The US Constitution is widely regarded as the longest-standing written national constitution still in force—see how it has influenced rights worldwide.