Women have a slightly higher average IQ than men.
164
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
More boys than girls are born during the day; more girls are born at night.
120
Babies cry but they don't produce tears until one to three months after birth.
238
The average person laughs 13 times a day!
108
On average women can hear better than men.
170
One million Americans, about 3,000 each day, take up smoking each year. Most of them are children.
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