Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
One in 500 humans has one blue eye and one brown eye.
145
Boys who have unusual first names are more likely to have mental problems than boys with conventional names. Girls don't seem to have this problem.
131
The world's shortest man measures only 21.5 inches.
73
Only 2% of the worlds population is blonde.
15
Babies' eyes do not produce tears until the baby is approximately six to eight weeks old.
58
