Forty percent of American adults cannot fill out a bank deposit slip correctly.
155
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
Just one in three consumers pays off his or her credit card bill every month.
27
A chance of a woman having twins is increased after the age of 35. About 1 in 27 women will give birth to twins after this age. After 50 the chances of having twins is 1 in 9.
51
More boys than girls are born during the day; more girls are born at night.
120
Men fall in love faster than women do.
32
There are actually seven different types of twins: Identical, Fraternal, Mirror-Image, Polar Body (Half Identical), Mixed Chromosome, Superfecundation, and Superfetation.
20
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11