Pain occurs when sounds are above 130 db.
123
You can't tickle yourself.
29
The human sigh acts as a physiological reset button.
23
Due to the angle at which the optic nerve enters the brain, staring at a blue surface during sex greatly increases the intensity of orgasms.
252
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
Only humans shed emotional tears.
331
In one day, adult lungs move about 10,000 litres of air.
11