In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
The human sigh acts as a physiological reset button.
23
You forget 90% of your dreams.
256
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82