Your thumb is about the same size as your nose.
124
Yawns are more contagious among people with closer relationships.
163
The human eye blinks an average of 4,200,000 times a year.
233
Babies crawl an average of 200m a day.
212
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
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
The world's shortest man measures only 21.5 inches.
73
On average, there's 100 billion neurons in the human brain.
83