Americans throw out 4.5 pounds of trash a day - twice that of 40 years ago.
76
Most people smile when they are frustrated, according to a study.
15
Americans did not commonly use forks until after the Civil War.
82
In 2002, Kenyan Maasai tribespeople donated 14 cows to the US to help with the aftermath of 9/11.
22
People in parts of Western China put salt in their tea instead of sugar.
16
Women have a slightly higher average IQ than men.
164