Roughly a quarter of the world's people live in China.
50
The average American consumes 9 pounds of food additives every year.
6
People in parts of Western China put salt in their tea instead of sugar.
16
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
As many as one third Americans flush the toilet while they are still on it.
157