Americans did not commonly use forks until after the Civil War.
82
On average women can hear better than men.
170
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
In a year, the average person walks four miles to make his or her bed.
56
Babies' eyes do not produce tears until the baby is approximately six to eight weeks old.
58
The average bra size today is 36C. Ten years ago it was 34B.
266
Men are more attracted to women whose bone structure is similar to their own mothers. It's called "sexual imprinting".
18