Our brains have a negativity bias and will remember bad memories more than good ones.
15
Pain occurs when sounds are above 130 db.
124
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
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
One human hair can support 3 ounces.
191
Only humans shed emotional tears.
331
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
The human sigh acts as a physiological reset button.
23