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.
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The single biggest predictor of love is proximity.
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On average, men's noses are 10% larger than women's.
12
People who have a strong friendship possess the ability to communicate with one another through facial expressions.
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About 3000 years ago, most Egyptians died by the time they were 30!
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The “cheerleader effect”, the theory that girls look more attractive in groups, is scientifically proven.
8
As many as one third Americans flush the toilet while they are still on it.
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