This recent University Affairs article found that “unconscious bias still plays a role in keeping women scientists from the top tier.”

“Since I’ve been a little kid, I’ve wanted to be a scientist,” says Ms. Choy, now a PhD candidate in biological sciences at the University of Manitoba and a 2012 L’Oréal-Unesco For Women in Science fellow.
But when Ms. Choy considers the professoriate for a career, here is what she has noticed: “In grad school, most of the people in my program are women. But at the level of professors and researchers, the ratio flips, and the women seem to disappear.”