New study: gender math gap is cultural, not biological December 14, 2011

we show here that greater male variability and gender gap in mathematics performance, when present, are both largely arti- facts of a complex variety of sociocultural factors rather than intrinsic differences, co-educational schooling, or specific religious following per se. Importantly, we document that mathematics per- formance for both boys and girls exhibits a strong positive correlation with some measures of gender equity, especially participation rates and salaries of women in the paid labor force relative to m

For more, go here. (Thanks, J!)