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
Nearly 10% of American households dress their pets in Halloween costumes.
36
The higher the income, the more likely an American man will cheat on his wife.
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8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
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91% of Americans eat turkey on Thanksgiving.
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A man is more likely to get a woman's phone number if he is accompanied by a dog.
20
A chance of a woman having twins is increased after the age of 35. About 1 in 27 women will give birth to twins after this age. After 50 the chances of having twins is 1 in 9.
51