The world's longest-burning fire

Lake Sørvágsvatn sits about 32 meters (105 feet) above sea level, but the taller surrounding cliffs create an optical illusion that makes it appear to float much higher above the ocean.

There are 'YouTube camps' that teach children how to create content for the video platform.

Author David Foster Wallace's 'This Is Water' speech provides guidance for adulthood.

The world's largest waterfall is in the ocean and is more than three times the height of Angel Falls, the largest waterfall on land.

The final shots of the Civil War were fired in the Arctic over 2 months after the South's surrender.

Emanuel Leutze's painting 'Washington Crossing the Delaware' is one of the defining images of the Revolutionary War.

'Tulip mania,' the 1630s Dutch craze where rare bulbs were briefly traded like luxury assets, may have been the first financial bubble—and it still shapes markets today.

Watch what would happen if you literally had all the money in the world.

All rainbows are 'raincircles' caused by water droplets separating white sunlight into a spectrum of colors, but Earth's surface blocks the bottom half of the circle from our line of sight.

Sea stars are invertebrates—they lack a backbone—and while most exhibit pentametric radial symmetry due to having five arms radiating from a central disk, some can possess more than 40.

George Lucas used Joseph Campbell's 'hero's journey,' a narrative structure that encompasses the common characteristics of multiple cultures' mythologies, to revise 'Star Wars.'

'Bibliotherapy' is of increasing interest as a way to improve mental health and help navigate complex life situations—with people immersing themselves in the experiences of fictional characters or nonfiction and self-help books to find relief and gain personal insights.

This interactive website features nearly 40,000 photos from Wikipedia for you to create visual mosaics with.

Abraham Lincoln had to sneak into Washington, DC, in disguise for his 1861 inauguration after a detective uncovered a plot to assassinate him in Baltimore.

Experience 14 billion years of important moments in world history with this scrollable interactive timeline.

Watch footage from the moments the Titanic wreck was discovered by a joint US-French research team in 1985.

Explore the 2025 Uber Lost & Found Index to find out the weirdest items that passengers left behind in Ubers last year, from ten live lobsters to a mannequin head with human hair.

Streaming service Netflix's sound logo 'Tudum' was designed as a key sonic differentiator.

Explore the known asteroids, comets, and spacecraft involved in asteroid studies within our solar system with 'Eyes on Asteroids,' a 3D visualization from NASA.

If a source of music traveled past someone at twice the speed of sound, assuming sufficiently sensitive hearing and powerful equipment, they would hear the music backward.

Explore the history of American restaurants through an archive of menus dating back to the early 1800s.

The average banana produces one positron—the antimatter counterpart to an electron—every 75 minutes as its trace amounts of radioactive potassium decay.

Plato's famous allegory of the cave is a metaphor exploring the value of truth over ignorance.

The collapse of gas bubbles in the joint synovial fluid causes 'cracking' knuckles.

See a 3D reconstruction of Tenochtitlan, the Aztec capital

Washing dishware before putting it in a dishwasher may reduce the appliance's effectiveness because it dynamically adjusts wash time and temperature based on a sensor that detects dirtiness.

Explore how the most commonly used words in the English language have changed from the 1950s to 2023.

Explore 3D models of some of the most dangerous viruses, allowing us to understand these and other pathogens in new ways.

Pregnancy makes someone more attractive to the mosquito species that transmits malaria.

See a breakdown of how some of the most common food items are traded across the globe, including the key trade relationships for each item.

Miracle berries make things that normally taste acidic or sour, such as lemons, taste sweet, like sugar-coated candy, by binding a special protein called miraculin to taste buds.

Semaglutides, which belong to a class of drugs called GLP-1s, are prescribed for weight loss in combination with diet and exercise because they trigger the release of the appetite-suppressing hormone incretin.

Explore an interactive forecast of the future of the universe, from the return of Halley's Comet to the last light in the cosmos.

If the moon were less than one-twelfth its current distance from Earth, the planet's tidal forces would overcome the moon's internal gravity, tearing it apart and forming a ring of debris.

The animatronic shark from 'Jaws' was a complex machine called 'Bruce.'

Male pattern baldness accounts for more than 95% of hair loss in men and is characterized by thinning hair, hair loss, and a receding hairline.

'Golden blood' is the rarest blood type in the world—fewer than 50 people are known to have it.

Explore the wineries of Napa Valley with an interactive map of its hundreds of wineries, vineyards, and tasting rooms.

Watch a two-year time-lapse of a pinecone seed transforming into a pine tree.

Watch a breakdown of the canine family tree that explains how foxes and wolves are related to our beloved household pets, like poodles and dachshunds.