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
Men laugh longer, louder, and more often than women.
61
Over 98 percent of Japanese people are cremated after they die.
54
Roughly a quarter of the world's people live in China.
50
You can only remember 4 things at a time.
31
The average American eats at McDonalds more than 1,800 times in their life.
52
Women end up digesting most of the lipstick they apply.
110