Estimated percentage of North American pit-viper litters that are “virgin births” : 5

Percentage of freshmen at four-year colleges who declare “Roman Catholic” as their religious affiliation : 26

Who declare “None” : 25

Percentage of college students in Iran who are female : 56

Number of subjects that Iranian universities have barred undergraduate women from studying : 77

Average salary subjects in a September study offered a fictional woman applying for a U.S. university laboratory position : $26,508

Average salary they offered a fictional man with identical credentials : $30,328

Percentage of murders of Pakistani women in 2011 committed by the victim’s husband or brother : 38

Minimum chance that a Bangladeshi woman’s first experience…