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11,491 facts. Click any fact to see its full page.
All 11,491
📜 History 1,991
🔬 Science 1,964
🐾 Animals 1,525
🚀 Space 977
🧠 Psychology 893
🌿 Nature 759
💻 Technology 735
🌍 Geography 599
🎭 Culture 581
🫀 Human Body 572
🌊 Ocean 373
💬 Language 245
🍕 Food 199
✨ General 68
✨ Dinosaur 10
Flamingos are not born pink — they turn pink from carotenoid pigments in the algae and brine shrimp they eat.
The human body contains about 0.2 mg of gold — mostly in the blood.
The 'G' in 'G-string' originally stood for 'groin' not 'guitar.'
The average person walks past 36 murderers in their lifetime, statistically.
The first book ever written on a typewriter was Tom Sawyer by Mark Twain.
Butterflies can see ultraviolet light — flowers have UV patterns visible to pollinators but not humans.
Bananas are slightly radioactive due to their potassium-40 content.
The shortest war in history lasted 38–45 minutes between Britain and Zanzibar in 1896.
Cats have a specialized collarbone that allows them to always land on their feet.
A group of crows is called a murder; a group of larks is called an exaltation.
The tongue of a blue whale weighs as much as an adult elephant.
A day on Mercury lasts 59 Earth days, but a year is only 88 Earth days.
The human brain generates about 23 watts of power — enough to power a dim light bulb.
The fingerprints of koalas are nearly identical to human fingerprints — even under a microscope.
A snail can sleep for 3 years during drought conditions.
Sea otters hold hands while sleeping so they don't drift apart.
The average person walks the equivalent of 3 times around the Earth in their lifetime.
Every year, 98% of the atoms in your body are replaced.
There are more trees on Earth than stars in the Milky Way — approximately 3 trillion.
You share 50% of your DNA with a banana and 85% with a mouse.
Polar bears have black skin under their transparent fur — it absorbs sunlight to keep them warm.
A bolt of lightning contains enough energy to toast 100,000 slices of bread.
Cleopatra lived closer in time to the Moon landing than to the construction of the Great Pyramid.
An ostrich's eye is bigger than its brain.
The inventor of the Pringles can requested his ashes be buried in one — and they were.
Rabbits cannot vomit — their digestive system is one-directional.
The first product to have its barcode scanned at a checkout was a pack of Wrigley's chewing gum in 1974.
Octopuses have three hearts — two pump blood to the gills, and one pumps it to the rest of the body.
The longest word you can type using only the left hand on a standard keyboard is 'stewardesses.'
Honey never spoils — archaeologists have found 3,000-year-old honey in Egyptian tombs still edible.
There are more possible shuffles of a deck of cards than atoms on Earth.
The Eiffel Tower grows by up to 6 inches in summer due to thermal expansion.
Sloths are so slow that algae grow on their fur — and moths live in their fur, eating the algae.
A group of porcupines is called a prickle; a group of flamingos is called a flamboyance.
Butterflies taste through their feet and can detect sugar in concentrations 200 times lower than humans.
The word 'nerd' was first used in a Dr. Seuss book in 1950.
The Great Wall of China contains human remains — workers who died were sometimes buried within the wall.
Some sharks must keep swimming to breathe — if they stop moving, they suffocate.
Wombats produce cube-shaped droppings — they stack them on rocks and logs to mark territory.
The national animal of Scotland is the unicorn.
Slugs have four noses and can stretch to 20 times their relaxed length.
The platypus doesn't have a stomach — food goes directly from the esophagus to the intestine.
Crows in Japan drop nuts on crosswalk lines and wait for cars to crack them at red lights.
More people are killed by hippos than lions in Africa each year.
The shortest commercially scheduled flight is 1.5 minutes between two Scottish islands — Westray to Papa Westray.
Antarctica is the driest, windiest, and coldest continent — and the highest on average elevation.
The coelacanth, believed extinct for 65 million years, was discovered alive in 1938 off South Africa.
A day on Venus is longer than a year on Venus due to its extremely slow retrograde rotation.
The average cloud weighs 1.1 million pounds but floats because the air below it is denser.
The quantum eraser experiment shows that future measurements can retroactively change past quantum behavior.