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11,491 facts. Click any fact to see its full page.
All 11,491
📜 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
Wikipedia has over 65 million articles across all languages — English alone has over 6 million.
The first webcam was invented to check if a coffee pot in a Cambridge lab was full without walking downstairs.
A pomelo is the natural ancestor of the grapefruit — grapefruits are a hybrid of pomelo and orange.
The word 'cereal' comes from Ceres, the Roman goddess of grain and harvest.
Peanuts are used in the production of dynamite — they contain glycerol which can be processed into nitroglycerin.
Ripe cranberries bounce like rubber balls — it's actually used as a freshness test.
Tomatoes were once thought to be poisonous in Europe because they're part of the nightshade family.
Lemons float but limes sink — limes are slightly denser than water.
Broccoli and cauliflower are the same species — Brassica oleracea — just different cultivars.
Chocolate was once used as currency by the ancient Aztecs.
Crackers have holes to prevent air bubbles from forming and causing uneven baking.
Ketchup was sold as medicine in the 1830s to treat liver disease and indigestion.
Almonds are not nuts — they are the seeds of a fruit related to peaches and plums.
Shakespeare invented over 1,700 words still used today including 'bedroom,' 'lonely,' and 'obscene.'
The dot over the lowercase letter 'i' is called a tittle.
There is no word in English for the back of the knee.
The English language adds about 1,000 new words every year.
The word 'muscle' comes from the Latin musculus meaning 'little mouse' — the movement of biceps resembled a mouse under skin.
Sign languages are complete, independent languages — American Sign Language and British Sign Language are mutually unintelligible.
Profanity activates a different part of the brain than regular language — it's processed more emotionally.
The word 'nerd' was first coined by Dr. Seuss in 'If I Ran the Zoo' in 1950.
The word 'sandwich' is named after the 4th Earl of Sandwich, who popularized eating meat between bread slices.
Japanese has three separate writing systems used simultaneously — hiragana, katakana, and kanji.
The word 'OK' is likely the most widely understood word on Earth.
About 7,000 languages are spoken in the world today — one dies roughly every two weeks.
Mandarin Chinese is the language with the most native speakers at about 920 million.
The word 'quiz' supposedly originated as a bet in Dublin in 1791 — its true origin remains unknown.
Lake Baikal in Russia holds about 20% of the world's unfrozen fresh surface water.
The country of San Marino claims to be the world's oldest republic, founded in 301 AD.
Antarctica is the windiest continent — wind speeds can exceed 200 mph.
The border between Belgium and the Netherlands runs through a bar in the town of Baarle-Hertog.
There is a town in Norway called Hell — it regularly freezes over in winter.
The Caspian Sea is the world's largest inland body of water and is classified as a lake despite its salt water.
Africa is so large that the United States, China, India, and most of Europe could all fit inside it simultaneously.
New Zealand was the first country to give women the right to vote, in 1893.
The Atacama Desert in Chile is the driest non-polar desert on Earth — some weather stations there have never recorded rain.
Greenland is 80% covered by ice — if it all melted, global sea levels would rise about 20 feet.
The Angel Falls in Venezuela is the world's highest uninterrupted waterfall at 3,212 feet.
Mongolia is the world's least densely populated country, with about 5 people per square mile.
Hawaii is moving toward Japan at about 3 inches per year.
The city of Istanbul spans two continents — Europe and Asia.
Iceland is home to more than 100 volcanoes and experiences an earthquake almost every day.
The Mariana Trench is so deep that Mount Everest could be placed inside it and still be covered by over a mile of water.
Vatican City is the world's smallest country — it covers just 0.44 square kilometers.
The Nile flows northward — it is one of the few major rivers in the world that flows from south to north.
The Amazon rainforest produces about 20% of the world's oxygen.
Canada has more lakes than the rest of the world combined.
Eye contact activates the same neural pathways as physical touch.
We are drawn to symmetrical faces because symmetry signals good developmental health and genetic fitness.
Smiling, even when you don't feel happy, can genuinely improve your mood — the brain reads the facial muscle movement.