On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
The average sperm cell swims at 8 inches per hour.
4
Babies crawl an average of 200m a day.
212
Mushrooms are more closely related to humans than they are to plants.
47
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
On average, there's 100 billion neurons in the human brain.
83
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Your thumb is about the same size as your nose.
124