A Useless Fact
About 14% of injecting drug users are HIV positive.
Every fact, in one place.
Our whole collection, newest first. Search it, or just scroll — each one is short enough to read in a breath. 6,804 so far.
A Useless Fact
There are no words in the dictionary that rhyme with orange, purple, silver and month.
The Hidden Cost of Ambition
While ambition is linked to career success, studies show it has almost no correlation with overall happiness or a longer life.
Darwin's Secret Survival Instinct
Charles Darwin believed compassion was a more vital survival instinct for humans than selfishness.
Your Belief Unlocks Potential
The Pygmalion effect is a psychological phenomenon where high expectations lead to improved performance in a given area.
Your Brain's Trust Instinct #3887
Your brain decides if a person is trustworthy in just one-tenth of a second from looking at their face.
A Useless Fact
The angel falls in Venezuela are nearly 20 times taller than Niagara Falls.
Why Your Brain Loves to Struggle
Your brain's reward system activates when you merely attempt a difficult challenge, not just when you succeed.
A Useless Fact
The human feet perspire half a pint of fluid a day
Enthusiasm's Godly Secret
The word 'enthusiasm' comes from the Greek word 'entheos,' which means 'divinely inspired' or 'possessed by a god'.
Learn Kung Fu Like The Matrix?
Future brain-computer interfaces may allow you to download new skills directly to your brain.
The Military Origin of 'Keep It Simple'
The design principle 'KISS' (Keep It Simple, Stupid) was first noted by the U.S. Navy in 1960.
The Science of Selflessness #6500
Selfless acts can release endorphins in your brain, creating a euphoric feeling known as the 'helper's high'.
The Toughest Animal on Earth
Tardigrades, or water bears, are so resilient they can survive the vacuum of outer space.
A Real Life 'Door to Hell'?! #5632
The 'Darvaza Gas Crater', or 'Door to Hell', has been burning continuously in Turkmenistan since 1971.
This Entire City Was Carved From Rock!
The ancient city of Petra in Jordan was entirely carved out of vibrant pink sandstone cliffs over 2,000 years ago.
Why Giving Feels So Good #9907
Being generous triggers a 'helper's high' by releasing mood-boosting chemicals in your brain, similar to a runner's high.
A Useless Fact
Alabama was the first state to recognize Christmas as an official holiday.
The Secret to Buying Happiness
Spending money on experiences provides more lasting happiness than spending money on material possessions.
A Shrimp's Heart is in its Head!
The heart of a shrimp is located in its head.
A Useless Fact
Your stomach produces a new layer of mucus every two weeks so that it doesn’t digest itself.
The Ultimate Transformation
Inside its chrysalis, a caterpillar's body almost completely liquefies into a soupy substance before reforming into a butterfly.
The Tribe of Super Runners
The Tarahumara people of Mexico are legendary for their ability to run hundreds of miles nonstop, often in just thin sandals.
Don't Handle Fish Suspiciously!
Under the UK's Salmon Act of 1986, it is illegal to handle salmon in suspicious circumstances.
Building something with this content? MeBot answers your visitors' questions on your own site.