Babies' eyes do not produce tears until the baby is approximately six to eight weeks old.
58
Americans throw out 4.5 pounds of trash a day - twice that of 40 years ago.
76
Intelligent people have more zinc and copper in their hair.
233
Most people smile when they are frustrated, according to a study.
15
Eskimos don't gamble.
78
The “cheerleader effect”, the theory that girls look more attractive in groups, is scientifically proven.
8