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

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.

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

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.

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.'

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

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.

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

Light takes approximately eight minutes to travel from the sun's surface to Earth, but it takes thousands of years to reach the star's surface from its core—a distance more than 200 times shorter.

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

Simulations suggest that a paper airplane launched from the International Space Station would maintain its orientation and gradually descend for 3.5 days before chaotically tumbling down and burning up.

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

Give your memories a place to live and explore the personal stories left by strangers, tied to specific locations, in this interactive map of the world.

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.

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

Explore (and debunk) the world's most contagious misconceptions—from the 5-second rule to sugar rushes—on this interactive site. Click on each misconception for further evidence.

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.

Streaming service Netflix's sound logo 'Tudum' was designed as a key sonic differentiator.

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

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

'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.

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

You may be better at spotting a lie when listening to a speaker's voice inflections rather than watching for facial and body cues.

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.

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

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.

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

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

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

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

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

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

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

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

'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.

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.

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

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

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