Did You Know?

Discover amazing facts about our world!

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

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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

Technology Fact

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Technology

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

Easy

Geography Fact

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Geography

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

Easy

History Fact

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History

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

Easy

Language Fact

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Language

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

Easy

Technology Fact

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Technology

Bluetooth technology was named after a Viking king.

Easy

Space Fact

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Space

Sunsets on Mars are blue instead of red!

Easy

Food Fact

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Food

Peanuts are not nuts; they are legumes.

Easy

Geography Fact

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Geography

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

Medium

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

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.

Easy

Food Fact

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Food

Carrots were originally purple, not orange.

Easy

Technology Fact

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Technology

The first computer mouse was made of wood.

Easy

Technology Fact

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Technology

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

Easy

Animal Fact

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Animals

A group of flamingos is called a “flamboyance.”

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

The world’s first smartphone was released in 1994.

Easy

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

Easy

Geography Fact

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Geography

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

Easy

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

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

Easy

Geography Fact

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Geography

Japan has one vending machine for every 40 people.

Easy

Space Fact

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Space

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

Easy

Animal Fact

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Animals

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

Easy

Technology Fact

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Technology

The first website ever created is still online.

Easy

Food Fact

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Food

Potatoes were the first food grown in space.

Easy

Geography Fact

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Geography

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

Easy

Animal Fact

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Animals

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

Easy

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

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.

Easy

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

Language Fact

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Language

The word “bookkeeper” has three consecutive double letters.

Easy

Space Fact

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Space

On Mars, sunsets appear blue instead of red.

Easy

Nature Fact

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Nature

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

Easy

Technology Fact

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Technology

There are more mobile phones than people on Earth.

Easy

Space Fact

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Space

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

Easy

Octopus Fact

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Animals

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!

Medium

Ocean Fact

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Nature

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

Easy

Geography Fact

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Geography

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

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

Easy

Geography Fact

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Geography

There are 195 countries in the world today.

Easy

History Fact

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History

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

Easy

Language Fact

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Language

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

Easy

Space Fact

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Space

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

Easy

Science Fact

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Science

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

Easy

Animal Fact

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Animals

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

Easy

Animal Fact

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Animals

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

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.

Easy

Nature Fact

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Nature

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

Easy

Geography Fact

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Geography

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

Easy

Nature Fact

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Nature

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

Easy

Nature Fact

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Nature

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

Easy

Food Fact

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Food

Bananas are berries, but strawberries are not!

Easy

Science Fact

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Science

A teaspoon of a neutron star would weigh 6 billion tons because it is incredibly dense.

Easy

Science Fact

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Science

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

Easy

Human Body Fact

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Human Body

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

Medium

Animal Fact

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Animals

Dragonflies cannot walk even though they have six legs.

Easy

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!

Easy

Animal Fact

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Animals

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

Easy

Language Fact

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Language

Scotland has 421 words for snow.

Easy

Nature Fact

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Nature

Butterflies taste with their feet.

Easy

History Fact

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History

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

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

History Fact

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History

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

Easy

Geography Fact

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Geography

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

Easy

Space Fact

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Space

Saturn is so light that it could float in water.

Easy

Human Body Fact

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Human Body

Your intestines are about 25 feet long from end to end.

Easy

Food Fact

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Food

Carrots were originally purple before orange carrots became popular.

Easy

History Fact

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History

Ancient Egyptians used moldy bread to help heal wounds.

Easy

Geography Fact

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Geography

Australia is both a country and a continent.

Easy

Space Fact

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Space

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

Easy

Nature Fact

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Nature

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

Easy

Nature Fact

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Nature

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

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.

Easy

Food Fact

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Food

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

Easy

Geography Fact

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Geography

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

Easy

Technology Fact

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Technology

The first email was sent in 1971 by Ray Tomlinson.

Easy

Food Fact

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Food

Honey never spoils. Archaeologists have found edible honey in ancient Egyptian tombs!

Easy

Animal Fact

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Animals

Elephants are the only mammals that can’t jump!

Easy

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

Human Body Fact

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Human Body

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

Easy

Technology Fact

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Technology

The word “robot” comes from a Czech word meaning “forced labor”.

Easy

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

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

Animal Fact

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Animals

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

Easy

Language Fact

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Language

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

Easy

Science Fact

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Science

Camels store fat, not water, in their humps. This helps keep them cooler in the desert.

Easy

History Fact

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History

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

Easy

Science Fact

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Science

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

Easy

Nature Fact

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Nature

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

Easy

Geography Fact

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Geography

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

Easy

Science Fact

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Science

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

Easy

History Fact

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History

Ethiopia runs on its own calendar with 13 months a year

Hard

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.

Easy

Language Fact

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Language

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

Easy
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