Discover amazing facts about our world!
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Australia is both a country and a continent.
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Cucumbers are 96% water.
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Koalas sleep up to 22 hours a day to conserve energy.
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The only planet that rotates on its side is Uranus, with a tilt of about 98 degrees.
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A group of flamingos is called a “flamboyance.”
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Lake Baikal in Russia is the deepest lake in the world.
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A teaspoon of a neutron star would weigh 6 billion tons because it is incredibly dense.
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The first email was sent in 1971 by Ray Tomlinson.
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Cats have 32 muscles in each ear, helping them hear even the slightest sounds.
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You are born with about 300 bones, but as you grow, some fuse together so adults have only 206 bones.
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Your tongue print is unique, just like your fingerprints.
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Mount Everest grows about 4 millimeters higher every year due to tectonic activity.
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Butterflies taste with their feet.
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Did you know that octopuses have three hearts? Two pump blood through the gills, while the third pumps it through the body.
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Carrots were originally purple, not orange.
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Climate change is melting glaciers, which could raise sea levels by up to 82 feet.
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A cluster of bananas is called a hand; a single banana is called a finger.
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The longest word in English is 189,819 letters long and is the chemical name for the protein Titin.
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Stars come in different sizes and colors, from small red dwarfs to huge blue giants.
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The flowering plant titan arum, or “corpse flower,” can grow up to 12 feet tall and smells like rotting meat when it blooms.
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The first computer mouse was made of wood.
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Some trees can live for thousands of years; the oldest is over 5,000 years old.
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Did you know that the ocean covers more than 70% of the Earth's surface?
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The world’s oldest known “your mom” joke is over 3,500 years old.
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The Olympic Games originated in ancient Greece over 2,700 years ago.
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3D printing was invented in the 1980s and can now print food and even organs.
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Honey never spoils. Archaeologists have found edible honey in ancient Egyptian tombs!
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Honey never spoils; archaeologists have found edible honey in ancient Egyptian tombs.
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The first computer was invented in the 19th century by Charles Babbage.
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Octopuses have three hearts! Two hearts pump blood to the gills, and one heart pumps it to the rest of the body. Plus, when an octopus swims, the heart that delivers blood to the body actually stops beating!
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Ancient Egyptians used moldy bread to help heal wounds.
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The shortest war in history lasted only 38 minutes between Britain and Zanzibar.
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The word “bookkeeper” has three consecutive double letters.
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The most commonly spoken language in the world is Mandarin Chinese.
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The word "alphabet" comes from the first two letters of the Greek alphabet: alpha and beta.
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Mercury and Venus are the only planets in our solar system without moons.
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The first Olympic marathon was 24.85 miles long, not the 26.2 miles it is today.
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The world’s first smartphone was released in 1994.
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On Mars, sunsets appear blue instead of red.
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Only female mosquitoes bite humans; male mosquitoes drink flower nectar.
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Broccoli contains more protein than steak per calorie.
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Bluetooth technology was named after a Viking king.
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Your mouth produces about one liter of saliva each day!
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Samsung tests phone durability with a butt-shaped robot that wears jeans to make sure phones survive being sat on.
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Dragonflies cannot walk even though they have six legs.
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There is a language in Mexico called Ayapaneco that is spoken by only two people.
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There are 195 countries in the world today.
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A giraffe’s tongue is so long that it can even lick its ears.
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Leonardo da Vinci could write with one hand and draw with the other at the same time.
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Elephants are the only mammals that can’t jump!
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Slugs have four noses, which help them smell and explore their surroundings.
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Your intestines are about 25 feet long from end to end.
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The Sahara Desert is the largest hot desert in the world.
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Canada has the longest coastline in the world, stretching over 202,000 kilometers.
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Lightning is five times hotter than the surface of the sun.
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The shortest war in history lasted only 38 minutes between Britain and Zanzibar in 1896.
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Bananas are berries, but strawberries aren’t! Botanically, bananas fit the definition of a berry, while strawberries do not because of how their seeds grow on the outside.
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The Sun is so massive that more than one million Earths could fit inside it.
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A group of flamingos is called a flamboyance.
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Earth’s inner core is about 10,832 degrees Fahrenheit, hotter than the surface of the sun!
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The only word in English that ends with “mt” is “dreamt”.
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Bananas are berries, but strawberries are not!
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A shrimp’s heart is located inside its head!
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Octopuses can change both the color and texture of their skin to blend into their surroundings.
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Starfish can regenerate lost arms, and sometimes an entire new starfish can grow from a single arm.
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Snails can sleep for up to three years at a stretch!
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Cacti can store hundreds of gallons of water in their stems.
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Your sense of smell is closely linked to your memories, and certain smells can trigger strong emotions.
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The first computer mouse was made of wood.
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The longest word in English is 189,819 letters long and is the chemical name for the protein Titin.
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The Amazon rainforest produces 20% of the world’s oxygen.
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The most expensive pizza in the world costs over $12,000 and takes 72 hours to make.
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Dolphins can shut off half of their brain while sleeping so they can watch for predators.
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The first email was sent in 1971 by Ray Tomlinson.
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Camels store fat, not water, in their humps. This helps keep them cooler in the desert.
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Did you know that your nose can remember 50,000 different scents?
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You shed about eight pounds of dead skin every year, which becomes part of the dust in your home.
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There are more trees on Earth than stars in the Milky Way galaxy.
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The sentence “The quick brown fox jumps over the lazy dog” uses every letter in the English alphabet.
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Ethiopia runs on its own calendar with 13 months a year
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Samsung tests phone durability with a butt-shaped robot that wears jeans.
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The Great Wall of China is over 13,000 miles long.
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A starfish does not have a brain.
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Soil is full of life—a teaspoon of soil can hold up to 100 million bacteria.
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Africa is the only continent in all four hemispheres of the Earth.
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Potatoes were the first food grown in space.
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Scotland has 421 words for snow, including “sneesl” (to start raining or snowing) and “flinkdrinkin” (a light snow).
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Black holes make a humming sound, but it’s too low for humans to hear.
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Earth is about 4.5 billion years old, while the universe is about 13.5 billion years old.
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Carrots were originally purple before orange carrots became popular.
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The Moon’s gravity is what causes the tides on Earth.
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Wild seals are the only animals on the planet that can clap.
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A day on Venus is longer than a year on Venus because it rotates very slowly.
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Lemons float in water, but limes sink because limes are denser than lemons.
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Cows and horses can sleep while standing up.
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There are about 7,000 languages spoken in the world today.
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Venus flytraps can snap shut in less than a second to catch prey.
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The resurrection fern can survive being completely dried out for up to 100 years and come back to life when watered.
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Apples float in water because they are 25% air.
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Rainbows are actually full circles, but we usually only see half from the ground.
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