Did You Know?

Discover amazing facts about our world!

Animal Fact

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Animals

Snails can sleep for up to three years at a stretch!

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Food Fact

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Food

A cluster of bananas is called a hand; a single banana is called a finger.

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Food Fact

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Food

Carrots were originally purple before orange carrots became popular.

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Technology Fact

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Technology

The first computer mouse was made of wood.

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Technology Fact

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Technology

The first email was sent in 1971 by Ray Tomlinson.

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Animal Fact

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Animals

Dragonflies cannot walk even though they have six legs.

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Space Fact

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Space

There are more stars in the universe than grains of sand on all the beaches on Earth.

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Space Fact

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Space

The Sun is so massive that more than one million Earths could fit inside it.

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Language Fact

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Language

The longest word in English is 189,819 letters long and is the chemical name for the protein Titin.

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History Fact

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History

Leonardo da Vinci could write with one hand and draw with the other at the same time.

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Animal Fact

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Animals

A starfish does not have a brain.

Easy

Animal Fact

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Animals

Starfish can regenerate lost arms, and sometimes an entire new starfish can grow from a single arm.

Medium

Language Fact

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Language

The dot over the letters “i” and “j” is called a tittle.

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Geography Fact

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Geography

The Amazon River is the second longest river in the world, after the Nile.

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Geography Fact

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Geography

Canada has the longest coastline in the world, stretching over 202,000 kilometers.

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Language Fact

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Language

The word “bookkeeper” has three consecutive double letters.

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Food Fact

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Food

The most expensive pizza in the world costs over $12,000 and takes 72 hours to make.

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Nature Fact

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Nature

Lemons float in water, but limes sink because limes are denser.

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History Fact

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History

The first-ever Ferris wheel was built in Chicago for the 1893 World’s Fair.

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Nature Fact

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Nature

Lemons float in water, but limes sink because limes are denser than lemons.

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Animal Fact

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Animals

Koalas sleep up to 22 hours a day to conserve energy.

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Food Fact

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Food

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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Food Fact

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Food

Bananas are berries, but strawberries are not!

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Language Fact

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Language

The only word in English that ends with “mt” is “dreamt”.

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Nature Fact

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Nature

A group of flamingos is called a flamboyance.

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Nature Fact

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Nature

The Amazon rainforest produces 20% of the world’s oxygen.

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Animal Fact

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Animals

Dolphins can shut off half of their brain while sleeping so they can watch for predators.

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Geography Fact

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Geography

Lake Baikal in Russia is the deepest lake in the world.

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Space Fact

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Space

Jupiter’s Great Red Spot is a giant storm that has been raging for over 400 years.

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Technology Fact

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Technology

The first email was sent in 1971 by Ray Tomlinson.

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Science Fact

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Science

Earth’s inner core is about 10,832 degrees Fahrenheit, hotter than the surface of the sun!

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Science Fact

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Science

Lightning is five times hotter than the surface of the sun.

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Animal Fact

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Animals

Elephants are the only mammals that can’t jump!

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Space Fact

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Space

Stars come in different sizes and colors, from small red dwarfs to huge blue giants.

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Nature Fact

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Nature

Venus flytraps can snap shut in less than a second to catch prey.

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Technology Fact

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Technology

The first website ever created is still online.

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Language Fact

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Language

The word “alphabet” comes from the first two letters of the Greek alphabet: alpha and beta.

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Language Fact

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Language

The sentence “The quick brown fox jumps over the lazy dog” uses every letter in the English alphabet.

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Technology Fact

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Technology

The first video game ever created was called “Tennis for Two” in 1958.

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Geography Fact

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Geography

Australia is both a country and a continent.

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Animal Fact

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Animals

Octopuses can change both the color and texture of their skin to blend into their surroundings.

Medium

Animal Fact

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Animals

Slugs have four noses, which help them smell and explore their surroundings.

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Animal Fact

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Animals

Cats have 32 muscles in each ear, helping them hear even the slightest sounds.

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Food Fact

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Food

Honey never spoils; archaeologists have found edible honey in ancient Egyptian tombs.

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Human Body Fact

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Human Body

In an average lifetime, a person produces enough saliva to fill two swimming pools.

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Human Body Fact

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Human Body

Your stomach acid is so strong it could dissolve metal, but your stomach lining protects you!

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Geography Fact

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Geography

Mount Everest grows about 4 millimeters higher every year due to tectonic activity.

Medium

History Fact

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History

Cleopatra lived closer in time to the first moon landing than to the construction of the pyramids.

Easy

Food Fact

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Food

Apples float in water because they are 25% air.

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Geography Fact

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Geography

Japan has one vending machine for every 40 people.

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Nature Fact

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Nature

Bamboo can grow up to 91 centimeters (35 inches) in a single day.

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Space Fact

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Space

Sunsets on Mars are blue instead of red!

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Nature Fact

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Nature

Some trees can live for thousands of years; the oldest is over 5,000 years old.

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Geography Fact

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Geography

Mount Everest grows about 4 millimeters higher every year due to tectonic activity.

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Geography Fact

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Geography

Japan has one vending machine for every 40 people, selling everything from drinks to ice cream.

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Science Fact

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Science

Climate change is melting glaciers, which could raise sea levels by up to 82 feet.

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Human Body Fact

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Human Body

The smallest bones in your body are inside your ear and could all fit on a penny.

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History Fact

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History

The first Olympic marathon was 24.85 miles long, not the 26.2 miles it is today.

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Food Fact

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Food

Peanuts are not nuts; they are legumes.

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Science Fact

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Science

Soil is full of life—a teaspoon of soil can hold up to 100 million bacteria.

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Technology Fact

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Technology

Bluetooth technology was named after a Viking king.

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Nature Fact

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Nature

Butterflies taste with their feet to find out if a leaf is good to lay eggs on.

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Ocean Fact

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Nature

Did you know that the ocean covers more than 70% of the Earth's surface?

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Human Body Fact

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Human Body

Your sense of smell is closely linked to your memories, and certain smells can trigger strong emotions.

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Space Fact

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Space

Black holes make a humming sound, but it’s too low for humans to hear.

Easy

Language Fact

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Language

There are about 7,000 languages spoken in the world today.

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Animal Fact

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Animals

Giraffes have the same number of neck bones as humans – seven!

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Technology Fact

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Technology

3D printing was invented in the 1980s and can now print food and even organs.

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Food Fact

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Food

Potatoes were the first food grown in space.

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Language Fact

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Language

The word "alphabet" comes from the first two letters of the Greek alphabet: alpha and beta.

Easy

Space Fact

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Space

The Moon’s gravity is what causes the tides on Earth.

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Animal Fact

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Animals

A giraffe’s tongue is so long that it can even lick its ears.

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Technology Fact

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Technology

There are more mobile phones than people on Earth.

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Animal Fact

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Animals

Cows and horses can sleep while standing up.

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Science Fact

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Science

The Milky Way galaxy holds between 100 and 400 billion stars.

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Food Fact

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Food

Broccoli contains more protein than steak per calorie.

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Nature Fact

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Nature

Butterflies taste with their feet.

Easy

History Fact

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History

The Olympic Games originated in ancient Greece over 2,700 years ago.

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Human Body Fact

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Human Body

You are born with about 300 bones, but as you grow, some fuse together so adults have only 206 bones.

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Human Body Fact

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Human Body

Your body has over 100,000 miles of blood vessels.

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Technology Fact

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Technology

The first computer mouse was made of wood.

Easy

History Fact

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History

The shortest war in history lasted only 38 minutes between Britain and Zanzibar in 1896.

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Science Fact

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Science

A 40-year-old tree can store 1 ton of carbon dioxide, helping to clean the air.

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Human Body Fact

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Human Body

Your tongue print is unique, just like your fingerprints.

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Science Fact

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Science

The only planet that rotates on its side is Uranus, with a tilt of about 98 degrees.

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Space Fact

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Space

Mercury and Venus are the only planets in our solar system without moons.

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Science Fact

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Science

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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Animal Fact

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Animals

A group of flamingos is called a “flamboyance.”

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Technology Fact

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Technology

The world’s first smartphone was released in 1994.

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Language Fact

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Language

The longest word in English is 189,819 letters long and is the chemical name for the protein Titin.

Hard

Human Body Fact

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Human Body

Did you know that your nose can remember 50,000 different scents?

Medium

History Fact

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History

The Great Wall of China is over 13,000 miles long.

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Food Fact

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Food

Cucumbers are 96% water.

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History Fact

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History

Ancient Egyptians used moldy bread to help heal wounds.

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Space Fact

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Space

Did you know that one day on Venus is longer than one year on Venus? Venus rotates so slowly that it takes 243 Earth days to complete one rotation!

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Technology Fact

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Technology

Samsung tests phone durability with a butt-shaped robot that wears jeans.

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Human Body Fact

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Human Body

You shed about eight pounds of dead skin every year, which becomes part of the dust in your home.

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Space Fact

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Space

A day on Venus is longer than a year on Venus because it rotates very slowly.

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Animal Fact

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Animals

Only female mosquitoes bite humans; male mosquitoes drink flower nectar.

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History Fact

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History

The first computer was invented in the 19th century by Charles Babbage.

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