http://chronicle.com/article/The-Subtle-Ways-Gender-Gaps/235598?key=tZmFf1Wv8j-6Xr9UE-gaFjNIJ4KAAk5pJ31DMo3f1ZxkYnJNNnYwVm5qOTdHeXFYUXhOWVh2UWtiZENWRGdpNzd3VHl2NmJUeFU4
The issue of women in the sciences is receiving a lot of attention lately. Here is a fairly comprehensive article.