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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
Pineapples take about two years to grow and produce only one fruit per plant per season.
Every year, more people are killed by vending machines than by sharks.
The Eiffel Tower was nearly sold for scrap in 1909 — saved by its utility as a radio antenna.
Mosquitoes have killed more humans throughout history than any other animal.
The shortest war in history lasted 38 minutes — the Anglo-Zanzibar War of 1896.
A newborn baby's brain grows to 80% of adult size in the first three years of life.
Wombat feces are cube-shaped — the only known biological process to produce cube-shaped material.
The average human body contains enough carbon to make 900 pencils.
Some octopuses are so flexible they can fit through any opening larger than their beak.
29,000 rubber ducks spilled into the Pacific in 1992 have since become global ocean current trackers.
The hashtag symbol '#' is officially called an octothorpe.
The smell of rain on dry earth is called petrichor — caused by a compound called geosmin from bacteria.
Dolphins surf ocean waves purely for fun — one of the clearest signs of play behavior in animals.
Elephants are the only large mammals that cannot jump.
The fingerprints of a koala are so similar to human fingerprints they have confused crime scene investigators.
The loudest animal relative to its body size is the water boatman — it produces sound using its genitals.
The blue whale's heartbeat can be detected from two miles away.
Oxford University is older than the Aztec Empire — students studied there before Tenochtitlan was founded.
A pound of spider silk, if gatherable, could stretch around the entire Earth.
The word 'freelance' comes from medieval mercenaries who offered their 'free lances' for hire.
The first product scanned with a barcode commercially was a pack of Wrigley's gum in 1974.
The average cloud weighs about 500,000 kg — but its droplets are so spread out it floats.
Fredric Baur, inventor of the Pringles can, had his ashes buried in one of his own cans.
A bolt of lightning contains enough energy to toast 100,000 slices of bread.
The tongue is the only muscle in the human body attached at only one end.
The fear of the number 13 is called triskaidekaphobia — many hotels skip the 13th floor.
Crows recognize human faces and teach their offspring to identify and remember those who threaten them.
The first alarm clock could only ring at 4 AM — it was made for a clockmaker who needed an early wake-up.
The word 'lethologica' describes the inability to remember the word you are trying to say.
A day on Mercury lasts longer than a year on Mercury — one rotation takes 59 Earth days.
The average person walks about 100,000 miles in a lifetime — four times around the Earth.
If all the empty space were removed from atoms, all of humanity would fit in a sugar cube.
It is physically impossible to hum while holding your nose closed — try it.
The longest hiccuping episode lasted 68 years — Charles Osborne hiccupped continuously from 1922 to 1990.
The color red makes food taste sweeter — a reason ketchup bottles and candy packaging are often red.
Humans share 60% of DNA with bananas, 85% with mice, and 99% with chimpanzees.
Cleopatra lived closer to the Moon landing than to the building of the Great Pyramid.
'The quick brown fox jumps over the lazy dog' contains every letter of the English alphabet.
A group of cats is called a clowder; a group of kittens is a kindle.
A sneeze travels at up to 160 km/h and can propel droplets up to 8 meters.
Honey found in Egyptian tombs 3,000 years old is still edible — its pH and low moisture prevent bacteria.
Ancient Roman fast food restaurants (thermopolium) have been found remarkably preserved in Pompeii.
The first known law code, Hammurabi's, was written around 1754 BC in Babylon.
Great Zimbabwe was built using dry-stone masonry between 1100–1450 AD without mortar.
The Rapa Nui civilization built moai during a period of resource depletion as forests disappeared.
The Mary Rose, a warship of Henry VIII, sank in 1545 and was raised in 1982.
Ibn Battuta, a 14th-century Moroccan scholar, traveled 75,000 miles across the known world.
Angkor Wat's ruins were 'discovered' by a French explorer in 1860 — though local people always knew them.
The Colossus of Rhodes stood for only 56 years before an earthquake toppled it.
The ancient Library of Alexandria may have functioned as a research institute where scholars received stipends.