Intelligent men tend to be more sexually faithful.
31
The world's youngest parents were 8 and 9 and lived in China in 1910.
130
People with blue eyes are better able to see in the dark.
153
More than half the population of Kenya is under the age of 15.
71
Studies suggest that people who appear to be constantly distracted have more "working memory" and "sharper brains".
13
Most people smile when they are frustrated, according to a study.
15
On average a woman has 4 sexual partners in her lifetime.
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