Dutch, on average are the tallest people.
187
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
The Japanese commonly put ketchup on their rice.
16
There are actually seven different types of twins: Identical, Fraternal, Mirror-Image, Polar Body (Half Identical), Mixed Chromosome, Superfecundation, and Superfetation.
20
In Haiti, only 1 out of every 200 people own a car.
23
The average person walks the equivalent of twice around the world in a lifetime
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