Yes, it's been quite well established that much of the scientific community is still an "old boys club." It's gotten much better than it used to be. My sister was easily able to break into her field right out of college, but I think most women in scientific fields would say there is still bias there.
Even if the open windows of science at first make us shiver after the cozy indoor warmth of traditional humanizing myths, in the end the fresh air brings vigor, and the great spaces have a splendor of their own - Bertrand Russell