The average sperm cell swims at 8 inches per hour.
4
Your fingernails grow faster in summer.
744
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
It takes approximately 12 hours for food to entirely digest.
93
The human brain has the capacity to store everything that you experience.
4k
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