Men can read smaller print than women; women can hear better. See more

The US has nearly four times the gun homicide rate of Switzerland, which is second in line when it comes to homicides by firearm per 1 million people. See more

American Airlines saved $40,000 in 1987 by eliminating one olive from each salad in first class. See more

Mexican women spend 15.3% of their life in ill health. See more

The women of Iceland earn two-thirds of their nation's university degrees. See more

American adults have been educated for the longest time. See more

Acorns were used as a coffee substitute during the American Civil War. See more

Women who read romance novels have sex twice as often as those who don't. See more