Males sweat 40% more than females.
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Men are more attracted to women whose bone structure is similar to their own mothers. It's called "sexual imprinting".
18
Americans will spend more on cat food this year than baby food.
32
Yawns are more contagious among people with closer relationships.
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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
Every workday, 6.7 million people commute to Manhattan!
26
76% of Americans celebrate New Year's Eve in groups of less than 20.
55