Special districts are a form of local government focused on a single purpose

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

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

The Berlin Wall physically separated East and West Berlin for nearly three decades, preventing East Germans from fleeing to the West and earning the nickname 'the Iron Curtain.'

Stonehenge was built using giant wooden rollers and precisely carved tongue-and-groove joints to lock the stones in place.

This short animation shows how human beings managed to lug 30-ton stones over miles of prehistoric English countryside and stand them up The Stone Age engineering involved using giant wooden rollers and carving precisely interlocking tongue-and-groove joints to hold the heavy stones in place.

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

Joan Didion interviewed The Grateful Dead in 1967, before they became music icons.

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.

Watch Dr. Laurence Peter explain his 'Peter Principle,' which states that people are promoted to their level of incompetence and explains why bosses aren't always good at their jobs.

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

Give your memories a place to live and explore the personal stories left by strangers, tied to specific locations, in this interactive map of the world.

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

Explore (and debunk) the world's most contagious misconceptions—from the 5-second rule to sugar rushes—on this interactive site. Click on each misconception for further evidence.

As part of the up to 15 pounds of seafood they consume daily, sea otters eat urchins that feed on kelp forests—sources of shelter and food to over 800 species—thereby making the marine mammal a keystone species.

'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.

Hear 50 years of iconic hip-hop samples, the genre's foundational looped tracks.

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

Find out how important you are to AI tools when they generate text responses with this tool, which estimates the weights of people's names.

Explore how temperatures compare to historical averages in cities worldwide with this interactive global monitor.

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

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.

Computer scientists first started trying to optimize dating using computers in the 1950s.

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

Although the moon passes between the sun and Earth each month, its orbit is tilted by five degrees, preventing Earth from experiencing a solar eclipse each month.

Listen to audio clips from Hoover, a harbor seal named after its insatiable appetite, who learned to say English phrases such as 'hello there' and 'come over here.'

Cats have a mutation that prevents them from tasting sweetness, and goldfish rank among the world's supertasters.

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.

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.

Watch a visualization of what it would look like to move along Earth's surface as fast as the International Space Station, or about 23 times the speed of sound.

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.

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

The tallest tsunami in recorded history was 524 meters (1,720 feet) high—taller than the Empire State Building—and occurred in Lituya Bay, Alaska, in 1958 after an earthquake dislodged a rockface into the water.

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.

There are up to 100 trillion microbes in the gut, and maintaining the relative balance in this ecosystem is important for our health.

Explore the history, structure, and species of Australia's Great Barrier Reef with this interactive journey narrated by Sir David Attenborough.

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

Watch an animated visualization of how the Large Hadron Collider works, including how particles are accelerated through a series of machines and how collision data is collected and distributed worldwide.

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

Play the role of a student as you try to navigate college and remain debt-free.

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.

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.