Only humans shed emotional tears.
331
The average sperm cell swims at 8 inches per hour.
4
A human being loses an average of 40 to 100 strands of hair a day.
133
A man's beard grows fastest when he anticipates sex.
239
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
Modern humans first appeared about 200,000 years ago, but record keeping didn't begin until about 6,000 years ago. That means about 97% of human history is lost.
21
Our Right Lungs takes more air than our left lung.
194