What is the smartest group/cluster/sect/activity/clade/clan that is mostly composed of women? Related to the other thread on how to get more women into rationality besides HPMOR.
Ashkenazi dancing groups? Veterinarian College students? Linguistics students? Lilly Allen admirers?
No seriously, name guesses of really smart groups, identity labels etc... that you are nearly certain have more women than men.
Professional associations for women in the smartest professions.
If it's worth saying, but not worth its own post (even in Discussion), then it goes here.