On average, there's 100 billion neurons in the human brain.
83
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
Gorillas can catch human colds and other illnesses.
205
A man's beard grows fastest when he anticipates sex.
239
The human sigh acts as a physiological reset button.
23
The average person's skin weighs twice as much as their brain.
131
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191