Six Degrees of Wikipedia, where any two articles connect in six clicks or fewer

The Wiki Game: get to one Wikipedia topic to another as fast as you can

Wikipedia, the free, community-built encyclopedia, uses hyperlinks so users can explore topics within topics. This tool often leads readers to go down endless rabbit holes, from one topic to another, endlessly. Now, you can make a game of it by...

Find connections between Wikipedia articles utilizing a node mapping tool

Multiple Wikipedia articles can be placed on the map, each with its own node, and expanded to reveal related articles. The goal is to expand as many subsequent nodes as needed to connect articles and identify related concepts. Any node can be double-clicked on to open its respective Wikipedia page.

Wikiracing involves moving between two articles in the fewest clicks

The quirky pastime has evolved into a competitive event at yearly Wikimedia conferences, highlighting the interconnectedness of human knowledge. Neuroscientific research suggests lateral thinking is a crucial skill found in successful Wikiracers.

Explore Wikipedia, but TikTok-style

Wikipedia's vast trove of information can be a bit dull to navigate. This homemade website takes real Wikipedia pages and places them in a swipeable format similar to TikTok, so you can learn about very random things in a similar mode as the culture-shifting TikTok app. Check it out here.

Wikipedia allows users to vote for what the last article on the site will be

Labeled as "humorous" on the site, the "Last topic pool" page lists various conditions where Wikipedia's final article would be written, including various end-of-the-world scenarios, instances where humanity might cease to exist, cases of Wikipedia becoming corrupted or uneditable, and the possibility of all possible knowledge having been written about.

Wikipedia's sister sites include directories of travel guides, species, and media

Like Wikipedia, volunteers around the world contribute to Wikivoyage, Wikispecies, and Wikimedia Commons to create freely accessible repositories of knowledge. Other projects include Wikibooks, a collection of e-books and annotated texts; Wikisource, which features source documents and historical texts; and Wiktionary, a dictionary covering over 170 languages.

LonelyWiki compiles obscure Wikipedia articles with fewer than 2,000 annual readers

LonelyWiki calls itself a museum of forgotten knowledge. A "lonely article" features real prose, at least 500 characters, no stub placeholders, and under 2,000 annual views. Each one represents a person who decided something was worth documenting without editorial commission or trending news.

On average, about five edits are made on Wikipedia every second

As of 2024, the site is 90 times larger than the 120-volume Encyclopedia Britannica, but its automation tools can often catch and revert inaccurate edits within 60 seconds. Its low-bandwidth, adless pages have allowed it to handle millions of site visits daily, even during times of high internet traffic.

An interactive timeline of history's famous figures

The past few millennia of humankind have produced numerous figures who left their mark on culture and society in their respective era. This interactive timeline from data visualization expert Jan Willem pulls data from Wikipedia to illustrate history's most important people relative to their prominence in modern-day thought.

Wikipedia's puzzle globe logo was developed by a 17-year-old

In 2003, the site held a contest for its users to submit designs for a new logo. Paul Stansifer submitted the winning design, which used the incomplete puzzle as a symbol for the encyclopedia being a work in progress. Symbols and letters would later replace text within Stansifer's colorful design.

Experience games that explore Nobel Prize-winning work

Inspired by the educators who set laureates on their path, the Nobel Foundation has created a library of interactive activities for the general public. These allow users to make groundbreaking discoveries, showing that such work is accessible to all.

A collaborative map lets anyone rename the entire world in real time

Rename.world is a playful, community-driven project where users discover, claim, and rename locations across a live global map. It's kind of like Wikipedia meets Google Maps, filtered through the internet's love of chaos and whimsy.

Find more of your favorite novelists with this literature map

Find your next favorite novelist. Type in an author and this program will present a map of dozens of authors. The closer the names, the more alike they are.

Explore the metaverse with this mind map

The metaverse is a complex concept that involves interlocking and rapidly evolving parts, including Web3, augmented reality, and trademark law. It's easy to get overwhelmed when faced with the new legal, financial, ethical, and creative intersections of our reality and its virtual echo. This mind map details the metaverse and its implications for various fields that interact and overlap. Click through the map to read and listen to topic summaries or explore more in-depth resources.

See how each of the more than two million known species relates to each other—and to common ancestors—in this zoomable tree of life.

See how each of the more than two million known species relates to each other—and to common ancestors—in this zoomable tree of life.

Google Search includes over 50 Easter eggs hidden behind specific search terms

Some queries—besides providing search results—trigger additional effects on the site, including tilting the page after searching for "askew," having the page perform dance moves to the song after searching for "[cha-cha slide]," and the ability to play a version of block breaker after searching for "Atari breakout."

Guess US city populations via bracket-style game

The US Census Bureau's data visualization team created a game—laid out like a March Madness basketball bracket—where you try to decide which metro area of two has the greater population. Test your knowledge of relative city populations and see...

Shoelaces 101

This website is a comprehensive resource dedicated to shoelaces, offering tutorials, photos, and information on various aspects of the overlooked everyday item. Optimize your lacing technique, read through the history, and learn other new things.

Wormholes, though unstable, would offer a theoretical shortcut through spacetime

These hypothetical distortions in the fabric of spacetime may connect vast distances across or even between universes. While science fiction often portrays them as traversable tunnels, the energy and matter required to keep a wormhole open defy current physical understanding.

Four video explainers on quantum fundamentals

Ready to level up your working knowledge of quantum mechanics? Check out these four TED-Ed Lessons written by Chad Orzel, associate professor in the Department of Physics and Astronomy at Union College

Swords from around the world: an encyclopedia

Swords may have fallen out of favor as the go-to method of warfare, but they once were a common choice worldwide. Scroll through this online encyclopedia to learn about and see swords from ancient to modern times. The ubiquity of swords and their...

The history of Vannevar Bush, who influenced the creation of hyperlinks and the NSF

As director of the Office of Scientific Research and Development, Bush submitted a report outlining how to support basic research at American colleges and universities by establishing an independent funding agency, which laid the groundwork for the National Science Foundation. His idea for a Memex machine that connected microfilm content in "associative trails" of links would influence Douglas Engelbart's development of hypertext.

Visualizing the world's food supply chains

The world's food supply chain is complex and lopsided, with much of the world's nutrient-rich food ending up in Europe and North America. This visualization illustrates the paths our food takes around the world, from starchy vegetables in...

Explore our favorite visualization of the immense scale of space, from an astronaut to the size of the observable universe

An architect ranks the best bridges in the world

Architext Ezra Groskin builds bridges and argues that the best bridges do more than allow traffic. They should, he believes, encourage human interaction and lingering to ultimately become a destination of their own. Explore ten stunning designs that connect communities, from New York to Switzerland.

Explore an interactive map built from more than 100,000 survey responses on where people find joy in their lives

The origin of shortest-path algorithms and how they became optimized for navigation apps

In 1956, Dutch programmer Edsger Dijkstra spent about 20 minutes developing an algorithm to demonstrate how computers could quickly determine the shortest route between Rotterdam and Groningen. Since then, modified versions of Dijkstra's formulation comprise the processing backbone of systems such as Google Maps and Apple Maps.

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.

Explore chaos in this simulation of two double pendulums, where small differences in the release angles produce wildly different outcomes.

Search a massive database of over 4 decades of clues from the TV quiz show 'Jeopardy!'

Explore an interactive map of battles from the American Revolution, along with detailed summaries of each engagement

When you complete a CAPTCHA on a website to prove you are human, you may be unknowingly training algorithms for self-driving cars, whose systems require training data to help identify crosswalks, bicycles, and other outdoor objects.

Stanford built a Google Maps for the Roman Empire, revealing how much it cost to travel in the ancient world

Watch how viruses like Ebola can spill over from animals to humans—and vice-versa.

See the most iconic photos from four decades of LIFE magazine

Visualize how CRISPR-Cas9—a type of immune system used by single-celled organisms to attack invasive viruses—targets and makes precise changes to a gene's DNA.

See these 16 pieces of art evoking phobias of snakes, flying, spiders, and more. 

How Amazon operates a 'flywheel' business model, a self-reinforcing cycle that drives continuous growth

Exploring the Larry Bird punch that almost changed March Madness

As of 2025, the most cited papers in science include a review of graphene, methods to improve image recognition, streamlining electron density calculations, and optimizing protein studies.

Discover the catastrophic consequences of a failure of the US electrical grid—something that is more likely than many Americans think.

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.

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

Listen to an in-depth conversation on the links between Parkinson's disease and herbicide exposure and the challenging pace of scientific investigation.

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.

Learn more about the history of fireworks, which dates back to an accidental invention during an alchemist's quest for information about immortality.

Legendary architect Frank Lloyd Wright designed the SC Johnson headquarters in Wisconsin, aiming to make a cathedral-like workplace

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.'