Where did emoticons come from?

A joke about mercury in an elevator led to the invention of emoticons

A false message about mercury contamination was posted in response to a physics problem on Carnegie Mellon's discussion board in 1982, which some users took seriously. The need to indicate which messages were jokes led to the creation of facial expressions using special characters.

Are emojis real communication? And other questions for the experts

Emojis took off around 2009, after Apple's operating system for its defining iPhone became available in Japan. By 2012, a standardized set of emojis was released, and now seven in ten users feel a message without one of the 3,664 official emojis is lacking.

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.

The evolution of the em dash, a now-controversial piece of punctuation

The curious form of punctuation was originally used to replicate humans' naturally broken—and sometimes scattered—way of speaking, with Shakespeare often using it in his plays and Emily Dickinson deploying it for numerous effects. But as large language models like ChatGPT began using the em dash, real humans began viewing it as a tell of non-human writing. This podcast episode dives into the strange turn of events.

Before 'The Facebook', Mark Zuckerberg made 'Facemash.com'

During Mark Zuckerberg's sophomore year at Harvard, he built a website that allowed users to rank and rate people's pictures from the school's online "facebooks" called Facemash.com, which quickly went viral. He was placed on academic probation for violating the school's rules around data, privacy, and computer usage. Zuckerberg says the website was a prank and he never intended for so many people to see it. FaceMash is credited with being the predecessor to Facebook.

The man behind Comic Sans, the world's most contentious font

Comic Sans is often used as a joke, but it wasn't intended that way. Its creator wanted something eye-catching and original, something that reminded people of iconic comics like Batman and Watchmen. This interview details how he made that happen and how it took on a new life once it was released into the world.

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."

Pepe the Frog went from internet meme to symbol of hate

The character first appeared in 2005, in an online comic called "Boy's Club," inspiring countless memes in which his likeliness was used as a supportive shorthand. Then, people started pairing Pepe with hateful messages, morphing him into something his author never intended.

Office Assistants, including Clippy, were digitally edited with Macintosh computers

The animated characters served as intelligent user interfaces for Microsoft Office and were sketched by hand before being scanned. Clippy was selected as the default assistant after social psychologists at Stanford University identified it as the most trustworthy, likable, and humorous character based on public testing.

How Tencent's QQ penguin became a national mascot

Created when Tencent launched the first version of its internet messaging platform, the company's winking penguin has become a ubiquitous cultural presence in China. The mascot has become a revenue generator, with Tencent licensing the character for cross-promotion with KFC, Midea Group, and more.

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.

The first compiler to facilitate communication with computers was developed by Grace Hopper

The A-0 program linker automatically translated mathematical symbols into machine-readable binary code. Although it took two years for computer executives to get on board with the idea, the technology was foundational to future programming languages that allowed computers to understand commands written in word-based languages.

The first-ever tweet on X was sent on March 21, 2006, at 9:50 pm

The short, declarative message launched what would eventually become one of the world's most influential social media platforms. As of 2020, about 10% of X users are responsible for 92% of all posts.

Conversation candy hearts were originally message-free medicinal lozenges

In 1847, a Boston pharmacist invented a machine that automated the production of his pharmacy's medicinal lozenges and then formed the New England Confectionery Company, which later became part of the company now known as NECCO. By the late 1800s, they were producing cookies with Valentine-themed messages and eventually brought the romantic messages to their smaller lozenges, which they later called Sweethearts.

Elk Cloner, the first computer virus to spread in public, was written as a practical joke by Richard Skrenta, a Pittsburgh high school student.

Walt Disney’s Laugh-O-Gram Studio featured his earliest innovations in animation

Before he founded his iconic film company, Walt Disney was a young animator in Kansas City, Missouri. After scoring a contract to create animated newsreels for local movie theaters, Disney formed Laugh-O-Gram Studio, where he created innovative animated shorts that set the path for his later work.

Where did artful screen savers go? A history

Early on in the personal computer days, users and engineers realized screens could be damaged if the same image—of a button, a logo, or a navigation bar—stays static for too long. To preserve the screen, developers deployed screen savers—automatic reductions in the light intensity, or regularly changing patterns on the screen. These artful screen savers had a heyday in the 1990s, but have since lost popularity to the simple black screen. Read the history here.

Modern prediction markets started in Iowa in 1988

The University of Iowa's Iowa Electronic Markets were introduced during the 1988 US presidential election. The beginning of their origin story almost sounds like a joke: Three economists walked into a bar.

Executives at American Online wanted to shut down AIM

Despite not seeing value in a service that could not be charged for, executives were pushed by the development team behind AOL's Instant Messenger to keep it free, which helped it reach 36 million active users. Screenname selection and away messages allowed users to express their individuality, and the use of emoticons sets the tone for future internet communication.

Y Combinator was founded in 2005 to bridge gaps between founders and investors

In one of Paul Graham’s essays on his website, he took the time to explain how and why he and his cofounders (including his girlfriend at the time, and now wife, Jessica Livingston), came up with the idea of and eventually created Y Combinator.

Explore a gallery of DALL-E creations

OpenAI's text-to-image generator can create content in a wide range of image styles based on simple prompts. Its utility has also given rise to an organic, passionate user base who employ the tool both for fun and for professional purposes.

Why cartoons only have four fingers

Ever notice cartoon characters only have four fingers? There’s a surprising reason why and it goes back to the first Mickey Mouse cartoons. From saving money to cultural taboos, here’s why animators draw hands this way.

The origin of the term STEM—science, technology, engineering, and mathematics—at the NSF

In 2001, Judith Ramaley coined the acronym while director of the National Science Foundation to replace "SMET," which was considered awkward-sounding. Since then, additional elements have been incorporated in various settings to modify the acronym, such as STEAM-based education, which includes art.

Comedic roasts, an ironic inversion of toasting, took off in the 20th century

Ribbing amongst friends likely goes back to the dawn of man, but formalizing the act caught on with fundraisers held by the Friar’s Club, a New York organization for theater agents. Rather than raising their glasses to good fortune and health, comics eviscerate an “honoree”—along with everyone else on stage—though they usually conclude with an earnest toast.

The mushrooms in 'Super Mario Bros.' are modeled after a real mushroom

Almost every mushroom in "Super Mario Bros." is based on the Amanita muscaria, sometimes referred to as the fly agaric, because it is known to attract flies. It's also the basis for the original mushroom emoji and the mushrooms from the popular game "Minecraft."

Visualizing where happiness comes from

Researchers asked 10,000 participants to list 10 things that recently made them happy. One author broke down the responses into subject-verb-object categories, isolating the people and events that made responders satisfied. The result highlights how simple things like having dinner or watching a movie made someone happy. Dive in and look for some ideas or tips on feeling happy today with this fascinating visualization.

The first commercial Christmas card was created in 1843

Overwhelmed by the task of writing many holiday letters, Sir Henry Cole commissioned artist JC Horsley to design a festive card he could send to friends and family in 1843—creating and popularizing the first mass-produced Christmas card.

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

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

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

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 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.

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.

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.

Graffiti dates back to at least ancient Pompeii, where citizens scrawled messages to one another on public walls

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.

In 1945, Surrealist artist Salvador Dalí and legendary animator Walt Disney began collaborating on a short film that was not completed until 2003, years after both men had died.

A 2019 Facebook event called on attendees to "Storm Area 51, They Can't Stop All of Us," resulting in countless memes, the creation of a music festival, and eventually the arrests of those who did try to approach the area.

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 first image of a black hole was captured by creating an Earth-sized virtual observatory from a network of eight radio telescopes.

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.

See images of medical cases of firework injuries shared on this 'Instagram for doctors.' (Warning: Graphic content)

While the first exchange-traded fund (a 'basket' of different assets that can be bought and sold on a stock exchange) in the US only launched in 1993, the global ETF market has grown to more than $10T in the short time since.

Mark Twain spent decades feuding with the US Postal Service, convinced its costs and regulations were bureaucratic overreach.

Fast-casual restaurant Chili's is experiencing a resurgence, with its parent company recently reporting a nearly 32% increase in sales, thanks to passionate Gen Z fans on TikTok.

In 2026, Finland was named the world's happiest country for the ninth consecutive year based on its wealth, social safety network, and high life expectancy, among other factors.

Comedy legend Catherine O'Hara, star of 'Schitt's Creek' and 'Home Alone,' quit 'Saturday Night Live' after just one week to return to her old job.

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

Meet the 56 signers of the Declaration of Independence—most of whom didn't put pen to paper until August 2, 1776—and see their original signatures.

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.