Fingers prune underwater not because of them absorbing the water or washing away the oil, but because of an evolutionary trait caused by the brain to enhance the grip of your fingers underwater.
24
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
The human brain is more active during sleep than during the day.
28
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
We share 70% of our DNA with a slug.
218
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
One human hair can support 3 ounces.
191