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

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 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.'

See a 3D reconstruction of Tenochtitlan, the Aztec capital

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

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

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.

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

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.

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

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

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

Explore the known asteroids, comets, and spacecraft involved in asteroid studies within our solar system with 'Eyes on Asteroids,' a 3D visualization from NASA.

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.

Watch what would happen if you literally had all the money in the world.

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

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

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.

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

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

Visualize the path of every solar eclipse from 1900 to 2099 and see what each looks like when observed from different locations on Earth.

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

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

'Bibliotherapy' is of increasing interest as a way to improve mental health and help navigate complex life situations—with people immersing themselves in the experiences of fictional characters or nonfiction and self-help books to find relief and gain personal insights.

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

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

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

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.

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

Explore an interactive forecast of the future of the universe, from the return of Halley's Comet to the last light in the cosmos.

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

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

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.

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.

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

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.

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

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.'

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

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.