Pain occurs when sounds are above 130 db.
124
The human eye blinks an average of 4,200,000 times a year.
233
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
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
Yawns are more contagious among people with closer relationships.
163
Mushrooms are more closely related to humans than they are to plants.
47
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15