Yawns are more contagious among people with closer relationships.
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Each year, around 24,000 Americans are bitten by rats!
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Boys who have unusual first names are more likely to have mental problems than boys with conventional names. Girls don't seem to have this problem.
131
Intelligent men tend to be more sexually faithful.
31
35% of the people using personal ads for dating are already married!
23
Most people smile when they are frustrated, according to a study.
15
Children grow faster in the springtime than any other season during the year.
108
Humans are capable of running 40 mph according to a study by bio-mechanical expert Dr. Matthew Bundle. Today's fastest man, Usain Bolt, has a top speed of 28 mph.
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