As a woman I have got to tell you that I really don't like parties very much and I certainly have never gone to parties to try to meet men.
I met my husband through a mutual aquaintence and we were set up on a blind date.
But anyway, I really like crashfrog's idea of looking up the local special interest groups and clubs.
My husband considered Dalhousie University in Halifax when deciding which graduate psychology program to attend, so there is a good liklihood of there being some science-minded women floating around town.
Check it out, look what I found:
link
Scientists and Innovators in the Schools (SITS)is a volunteer-based educational programme that helps students of all ages become more excited about science, technology, engineering, and mathematics. In operation since 1989, SITS is a highly effective programme reaching thousands of students each year. Through its various projects, SITS provides a vital link between the education and science communities.