Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
You can't tickle yourself.
29
Only humans shed emotional tears.
331
All 13 minerals necessary for human life can be found in alcohol beverages.
282
Your thumb is about the same size as your nose.
124
Your fingernails grow faster in summer.
744
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82