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
There are about 255 babies born worldwide every minute.
46
The name "Wendy" was made up for the book Peter Pan!
142
More boys than girls are born during the day; more girls are born at night.
120
Women mature much faster than men.
1k