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11,491 facts. Click any fact to see its full page.
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📜 History 1,991
🔬 Science 1,964
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🚀 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
NASA's Apollo guidance computer had less processing power than a modern USB charger.
The first cell phone call was made on April 3, 1973, by Motorola engineer Martin Cooper.
The first computer mouse was made of wood — Douglas Engelbart built it in 1964.
Blue food is extremely rare in nature — most blue-colored foods get their hue from added dye.
The most stolen food in the world is cheese — about 4% of all cheese produced globally is stolen.
Coconut water can be used as an emergency substitute for blood plasma in a transfusion.
Nutmeg is a hallucinogen in large doses — it contains myristicin, a psychoactive compound.
The average strawberry has about 200 seeds — they're the only fruit with seeds on the outside.
Avocados are toxic to most animals — dogs, cats, and birds can all be seriously harmed by eating them.
The fear of cooking is called mageirocophobia.
Honey will never spoil if kept sealed — archaeologists have eaten 3,000-year-old honey from Egyptian tombs.
The first soft drink invented in the United States was Dr Pepper in 1885 — Coca-Cola followed a year later.
The word 'disaster' comes from Greek for 'bad star' — a reflection of ancient belief in astrological influence.
Some languages have no word for 'left' or 'right' — speakers of Guugu Yimithirr in Australia use cardinal directions instead.
The word 'silly' once meant 'blessed' or 'happy' in Old English.
In ancient Rome, 'salary' was sometimes paid in salt — the word derives from the Latin salarium.
The word 'goodbye' is a contraction of 'God be with ye.'
There are more possible games of chess than there are atoms in the observable universe.
The word 'nice' originally meant foolish or stupid in 13th-century English — its meaning has almost fully reversed.
Morse code was originally developed for electric telegraphs, not radio.
A googolplex is the number 10 to the power of a googol — it's larger than the number of atoms in the universe.
The number 4 is the only number that has the same number of letters as its value.
Mount Olympus on Mars stands about 13 miles high — nearly three times the height of Mount Everest.
The United States has no official language — English is the dominant language but is not legally designated.
There are more than 17,000 islands in Indonesia — making it the world's largest archipelago country.
The deepest lake in the world is Lake Baikal in Russia — it reaches a depth of over 5,300 feet.
The Amazon River accounts for about 20% of all fresh water discharged into the world's oceans.
Norway has a town called Å — the shortest place name in the world.
The Nile Delta is sinking — it's being weighed down by sediment and eroded by rising seas.
The highest navigable lake in the world is Lake Titicaca, shared between Peru and Bolivia at 12,507 feet.
More people live in Tokyo than in the entire country of Canada.
The Sahara Desert is roughly the same size as the United States.
Loneliness activates the same neural regions as physical pain.
Reading a physical book before bed improves sleep quality more than reading on a screen.
People who stay up late tend to score slightly higher on IQ tests — a correlation researchers don't fully understand.
The brain releases the same chemicals during a passionate kiss as during a parachute jump.
Children laugh up to 400 times per day — adults average about 15.
The act of writing down your worries before a test measurably improves performance by offloading cognitive load.
People are more creative in a blue room than a red room — red increases alertness, blue encourages open thinking.
The brain cannot tell the difference between a real memory and a vividly imagined one — false memories are a documented phenomenon.
We have a negativity bias — negative events impact our brains more strongly than positive ones of equal magnitude.
The human brain dedicates more neural real estate to the hands and face than to the rest of the body combined.
The total surface area of human lungs is roughly the same size as a tennis court.
Quicksand is not actually as dangerous as movies suggest — it's denser than the human body, so you can't sink all the way.
Human eyes are so sensitive that in perfect darkness, they could detect a candle flame from 30 miles away.
Every proton in your body is approximately 13.8 billion years old — created moments after the Big Bang.
Sharks are older than Saturn's rings — the rings formed between 10 and 100 million years ago, long after sharks appeared.
If all the gold ever mined were formed into a cube, it would measure about 68 feet on each side.
The speed of gravity is equal to the speed of light.
Uranium glass glows bright green under ultraviolet light — it was commonly used in decorative glassware until the mid-20th century.