that depends on who you blame for development of the differences (http://en.wikipedia.org/wiki/Neuroscience_of_gender_differences#Male_vs._female_brain_anatomy

that depends on who you blame for development of the differences (http://en.wikipedia.org/wiki/Neuroscience_of_gender_differences#Male_vs._female_brain_anatomy http://en.wikipedia.org/wiki/Neuroscience_of_gender_differen...), school district or evolution :)