New Scientist have an interesting article about why there are so few female scientists. It's not all "about the babies" as they so tactfully put it:
"More than half of female scientists have experienced gender bias, according to a 2010 survey by the American Association for the Advancement of Science for L'Oréal. Examples include being ignored in meetings, students calling you Mrs. instead of Dr. or Professor, receiving unwanted comments on your appearance, and hearing that you were hired not on merit, but because you're a woman."
Of the crimes above, the one I most frequently encounter is not getting called Dr. I am NOT "Miss". It's wrong on 2 counts. I had a student who persisted in calling me "Miss" (with no surname) for 12 weeks. I think he thought he was at school. Did he call my male colleagues "Sir"? If so, he should have called me "Madam", dammit.
[Found this link on Mark Guzdial's blog]