A small fraction of creators make money on YouTube

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.

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

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

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.

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

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.

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

See a 3D reconstruction of Tenochtitlan, the Aztec capital

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

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

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.

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.

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

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.

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.'

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.

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

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.

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

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.

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

Apeirophobia is the fear of everlasting life and may stem from the human brain's inability to conceptualize the concept of anything happening beyond what it can project out, such as the concept of an infinite life.

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

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

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

Experience a century of America's healthcare advances with this medical visualization, tracing a sampling of healthcare innovations from head to toe.

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

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.

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

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

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.

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

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

Researchers generally group gut bacteria into six different categories, with varying amounts of these microbes residing in different parts of the digestive tract.

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.

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

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.'

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

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