Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Aluminum used to be more valuable than gold!
84
According to studies, men change their minds two to three times more often than women.
72
Hot water can freeze faster than cold water.
181
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
The bark of an older redwood tree is fireproof.
65
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101