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

Metamorphosis evolved over millions of years as species that hatched as smaller versions of adults started exhibiting genetic mutations that differentiated juvenile and adult bodies.

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.

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

Humans may have as many as 100,000 to 150,000 individual hairs on our scalps, growing at a rate of roughly 1 centimeter per month.

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

Located on Ross Island in Antarctica, Mount Erebus is the southernmost active volcano on Earth and features a lava lake—one of eight known worldwide as of 2026—that erupts regularly.

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

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.

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

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.

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

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.

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.

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

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

Explore Lewis and Clark's 8,000-mile journey in Google Earth.

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.

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

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

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.

'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.

See a 3D reconstruction of Tenochtitlan, the Aztec capital

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

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.'

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

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

Watch 4-plus decades of Pixar's opening logos.

Watch President John F. Kennedy's speech on going to the moon

Examine this captivating animation 'building' a human—illustrating the roughly 40 weeks of fetal development.

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.

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

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.

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

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

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.

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

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

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.