Women rate men more attractive if other women are looking and smiling at him.
17
Babies' eyes do not produce tears until the baby is approximately six to eight weeks old.
58
The world's tallest man reached 8 feet 11 inches at 21.
202
Studies suggest that people who appear to be constantly distracted have more "working memory" and "sharper brains".
13
The world's shortest man measures only 21.5 inches.
73
Most people smile when they are frustrated, according to a study.
15
The single biggest predictor of love is proximity.
30