One model of the universe expresses all constants using only time

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.'

Explore an interactive timeline of Earth's 4.5-billion-year history to visualize shifting landmasses and oceans, view the locations of significant asteroid impacts, and learn about major geological and biological events.

See where your state ranked in an analysis of the best public school systems in the US.

Use this tool to calculate the dollar value of your parental mental load, from meal planning to coordinating after-school care, then see resources that help generate solutions.

On planets in systems with two stars, such as the fictional Tatooine from 'Star Wars,' observers would see overlapping rainbows and double rainbows.

Watch the many different civilizations around the Mediterranean shift power from the year 2500 BCE to 0 BCE in this animated map.

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

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.

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

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.

Explore a detailed map of Odysseus' fictional journey from 'The Odyssey.'

Fecal transplants can help treat infections by transplanting healthy gut bacteria from a donor into a patient's gastrointestinal tract using samples of human waste, which are turned into a liquid mixture and often delivered via a colonoscopy procedure.

Peek into the love lives of thousands of strangers whom Stanford University researchers have been tracking since 2017 on this interactive page.

Explore a collection of famous literary maps, including original images from 'Treasure Island,' 'The Swiss Family Robinson, ' and 'Walden.'

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.

Robert Smalls escaped slavery by piloting a stolen Confederate ship to freedom, then became an influential Black political leader during Reconstruction.

Watch Bruce Springsteen's 1985 performance of Woody Guthrie's 'This Land Is Your Land,' which he calls 'the greatest song ever written about America.'

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

Relax to a livestream of brown bears chilling in Katmai National Park in Alaska.

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.'

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

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

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

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

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

In 1962, the US detonated a nuclear weapon in space, which produced an electromagnetic pulse that disabled three low Earth orbit satellites and damaged electrical equipment in Hawaii.

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

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

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

The US jobs projected to shrink the fastest over the next decade include typists and word processors.

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

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

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.'

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.

Here are some tips from Pew Research to help you distinguish between a good poll and an unreliable one.

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

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

On a cruise ship, the average person uses about 50 gallons of water a day, which is treated by bacteria and onboard filtration systems, then stored until the ship can legally discharge the wastewater.

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

Humans tend to imagine aliens as humanlike, but that's probably unlikely. Three different hypothetical planets show how aliens' bodies could take many forms.