Did You Know?

Discover amazing facts about our world!

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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Language Fact

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Language

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

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Food Fact

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Food

Broccoli contains more protein than steak per calorie.

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History Fact

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History

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

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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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History Fact

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History

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

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Geography Fact

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Geography

Japan has one vending machine for every 40 people.

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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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Nature Fact

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Nature

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

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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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Human Body Fact

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Human Body

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

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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.

Easy

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

Technology Fact

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Technology

Samsung tests phone durability with a butt-shaped robot that wears jeans to make sure phones survive being sat on.

Easy

Technology Fact

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Technology

Bluetooth technology was named after a Viking king.

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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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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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Human Body Fact

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Human Body

Your tongue print is unique, just like your fingerprints.

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Animal Fact

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Animals

Wild seals are the only animals on the planet that can clap.

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Nature Fact

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Nature

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

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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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History Fact

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History

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

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Language Fact

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Language

Scotland has 421 words for snow.

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Language Fact

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Language

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

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Space Fact

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Space

On Mars, sunsets appear blue instead of red.

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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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Animal Fact

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Animals

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

Medium

Human Body Fact

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Human Body

Your mouth produces about one liter of saliva each day!

Easy

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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Nature Fact

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Nature

There are more trees on Earth than stars in the Milky Way galaxy.

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Technology Fact

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Technology

There are more mobile phones than people on Earth.

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Technology Fact

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Technology

The first computer mouse was made of wood.

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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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Food Fact

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Food

Apples float in water because they are 25% air.

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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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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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Science Fact

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Science

The flowering plant titan arum, or “corpse flower,” can grow up to 12 feet tall and smells like rotting meat when it blooms.

Easy

Human Body Fact

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Human Body

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

Medium

Nature Fact

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Nature

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

Easy

Language Fact

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Language

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

Easy

History Fact

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History

Ethiopia runs on its own calendar with 13 months a year

Hard

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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History Fact

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History

The world’s oldest known “your mom” joke is over 3,500 years old.

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Technology Fact

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Technology

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

Easy

Language Fact

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Language

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

Easy

Nature Fact

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Nature

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

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Space Fact

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Space

Earth is about 4.5 billion years old, while the universe is about 13.5 billion years old.

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Space Fact

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Space

Sunsets on Mars are blue instead of red!

Easy

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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Nature Fact

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Nature

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

Easy

Animal Fact

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Animals

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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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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Nature Fact

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Nature

A group of flamingos is called a flamboyance.

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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

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

Easy

Science Fact

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Science

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

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Geography Fact

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Geography

Africa is the only continent in all four hemispheres of the Earth.

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Nature Fact

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Nature

Cacti can store hundreds of gallons of water in their stems.

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Animal Fact

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Animals

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

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Space Fact

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Space

Jupiter is so big that over 1,300 Earths could fit inside it.

Easy

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.

Easy

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

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

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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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Space Fact

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Space

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

Easy

History Fact

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History

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

Easy

Language Fact

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Language

The most commonly spoken language in the world is Mandarin Chinese.

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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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Space Fact

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Space

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

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Food Fact

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Food

Peanuts are not nuts; they are legumes.

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Food Fact

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Food

Potatoes were the first food grown in space.

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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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Geography Fact

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Geography

Russia is the largest country in the world by land area.

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Animal Fact

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Animals

A group of flamingos is called a “flamboyance.”

Easy

Space Fact

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Space

Saturn is so light that it could float in 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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Technology Fact

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Technology

The first website ever created is still online.

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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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Technology Fact

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Technology

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

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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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Geography Fact

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Geography

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

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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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Geography Fact

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Geography

There are 195 countries in the world today.

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Language Fact

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Language

There is a language in Mexico called Ayapaneco that is spoken by only two people.

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Language Fact

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Language

Scotland has 421 words for snow, including “sneesl” (to start raining or snowing) and “flinkdrinkin” (a light snow).

Easy

Animal Fact

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Animals

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

Easy

Language Fact

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Language

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

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 word “bookkeeper” has three consecutive double letters.

Easy

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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Geography Fact

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Geography

Australia is both a country and a continent.

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Food Fact

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Food

Carrots were originally purple before orange carrots became popular.

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Animal Fact

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Animals

A shrimp’s heart is located inside its head!

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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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Geography Fact

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Geography

The Sahara Desert is the largest hot desert in the world.

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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.

Easy

Food Fact

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Food

Bananas are berries, but strawberries are not!

Easy

Science Fact

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Science

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

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Animal Fact

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Animals

Dragonflies cannot walk even though they have six legs.

Easy
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