The world's shortest man measures only 21.5 inches.
73
We forget why we have entered a room because passing through doors creates an ‘event boundary’ causing the brain to file away what we were just thinking about.
26
You can't tickle yourself.
29
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
If the human eye was a digital camera, it would have 576 megapixels.
25
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
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