Yawns are more contagious among people with closer relationships.
163
Intelligent men tend to be more sexually faithful.
31
The average American consumes 9 pounds of food additives every year.
6
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
Senegalese women spend an average of 17.5 hours a week just collecting water.
27
Research has determined that most people are happiest at 7:26pm on a Saturday night.
69
Forty percent of American adults cannot fill out a bank deposit slip correctly.
155
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161