Browse
All Facts
11,491 facts. Click any fact to see its full page.
All 11,491
📜 History 1,991
🔬 Science 1,964
🐾 Animals 1,525
🚀 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
Some stars are billions of years older than the Sun.
The Earth's atmosphere extends thousands of miles into space.
Some fish can survive completely frozen.
There are more possible passwords of 8 characters than grains of sand on Earth.
The Milky Way is moving through space at over a million miles per hour.
Your bones constantly break down and rebuild.
The Sun loses millions of tons of mass every second.
Ice can sometimes burn under certain chemical conditions.
The human eye can detect a candle flame over a mile away in darkness.
The largest living structure on Earth is the Great Barrier Reef.
Some stars explode as supernovae at the end of their lives.
Sound travels about four times faster in water than in air.
The Moon has moonquakes.
Some turtles can live over 150 years.
The speed of light is fast enough to circle Earth over 7 times in one second.
There are more bacteria in your body than human cells.
The human body contains enough carbon to make thousands of pencils.
Some volcanoes can erupt underwater.
Your heart creates enough pressure to squirt blood several feet.
A day on Jupiter lasts only about 10 hours.
The deepest point in the ocean is deeper than Mount Everest is tall.
Some metals can remember their original shape after being bent.
Your brain is more active when you are dreaming than when you are awake.
The International Space Station is visible to the naked eye from Earth.
There are more atoms in a glass of water than glasses of water in Earth's oceans.
An individual blood cell takes about 60 seconds to complete a full circuit of the body.
The average person walks the equivalent of five times around the world in their lifetime.
A bolt of lightning is about one inch wide but can be miles long.
Many medical breakthroughs were found by accident such as penicillin and the smallpox vaccine.
Cowpox pus was used in the first vaccine which eradicated smallpox.
In 1796, Edward Jenner developed the world's first vaccine by using cowpox material to induce immunity against smallpox, a breakthrough that led to the disease's global eradication.
The Anglo-Zanzibar War in 1896 is the shortest war on record, lasting only 38 minutes.
The Pope can't be an organ donor.
The human circulatory system is more than 60,000 miles long.
Sudan has more pyramids than any country in the world.
There were active volcanoes on the moon when dinosaurs were alive.
No number before 1,000 contains the letter A.
Tax avoidance and tax evasion both increase as tax rates rise, which can reduce total revenue.
Countries with extremely high tax rates sometimes collect less revenue than countries with moderate tax rates.
The Laffer Curve explains why some tax cuts have historically led to increased tax revenue.
The Laffer Curve illustrates that raising tax rates can sometimes reduce total tax revenue.
Economist Arthur Laffer famously sketched the Laffer Curve on a napkin during a dinner meeting in the 1970s.
All mammals get goosebumps.
Tug of war was in the Olympics from 1900 to 1920.
No number before 1,000 contains the letter A.
The largest bowling alley in the world is in Japan and has 116 lanes.
Neil Armstrong’s hair was sold in 2004 for $3,000.
Competitive art used to be an Olympic sport.
Somewhere between 50% and 80% of earth's living organisms are in the ocean.
The sun is about 400 times larger than the moon.