Half of all Americans over the age of 55 have no teeth.
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On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
The single biggest predictor of love is proximity.
30
One in 500 humans has one blue eye and one brown eye.
145
The average single man is one inch shorter than the average married man.
88
Awarding people money for doing well in IQ tests causes them to score better, $10 increased people's score by an average of more than 20 IQ points. IQ tests don’t just measure intelligence - they also measure effort.
9
According to Harris Interactive, 70% of men and 57% of women shower daily.
75