Newton's laws describe how objects resist acceleration and respond to forces

See a 3D reconstruction of Tenochtitlan, the Aztec capital

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.

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

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 has discontinued a variety of different currency denominations over the years—including a $100K bill.

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

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

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

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

The Aztec Empire ruled over 80,000 square miles of central Mexico for nearly a century—until a small band of Spanish conquistadors brought it down in 1521.

Rapid intensification is the increase in a hurricane's sustained wind speed by at least 35 miles per hour within 24 hours, which can strengthen it by up to two categories.

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

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

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

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.

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

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.

A dog's nose can be up to 100,000 times more sensitive than a human's, and each possesses a secondary organ for smelling, which helps learn about other dogs when they sniff each other's butts.

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

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

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

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 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.'

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

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.

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.

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

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

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.'

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

Between 2002 and 2012, at least 12 people were killed in the Philippines in incidents related to off-key karaoke singing of Frank Sinatra's 'My Way.'

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.

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

Check out some of the best books that can be read in a single day, with titles from Han Kang, Denis Johnson, Muriel Spark, and more.

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

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.

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.

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