The human brain is more active during sleep than during the day.
28
The human brain has the capacity to store everything that you experience.
4k
The average sperm cell swims at 8 inches per hour.
4
A man's beard grows fastest when he anticipates sex.
239
Babies crawl an average of 200m a day.
212
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
160
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
You can't tickle yourself.
29