You can't tickle yourself.
29
Enamel is hardest substance in the human body.
61
The average person will go on a date at least 100 times before they finally marry.
33
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
Human hair and fingernails continue to grow after death.
7
Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307