At the current rate of change, women will catch up to men in 16 years—but that overall estimate masks a huge amount of variation. For example, out of the 115 disciplines represented in the data, women authors outnumber men in just a handful (including nursing and midwifery) and publish at the same rate in just 23 (including psychology, nutrition, and public health).
I’ve since been trying to actively redress the balance, by spending more time searching for women to interview. For any given story, I almost always try to contact several sources. If, for example, I’m writing about a new scientific paper, I will interview the scientists behind the work, but also pass the paper around to get comments from independent researchers. To find the right people, I’ll look at related work that’s cited by the paper in question. I’ll google for people who do similar research. I’ll check Twitter. I’ll look at past news stories. To find more female sources, I just spend a little more time on all of the above—ending the search only when I have a list that includes several women.
Nittrouer and her team scanned the websites of the top 50 U.S. universities, as ranked by U.S. News, to build a database of every colloquium speaker from six departments: biology, bioengineering, political science, history, psychology, and sociology. They chose those six to represent a breadth of disciplines, and to exclude departments with either a very low or very high proportion of women. And they found that men gave more than twice as many talks as women: 69 percent versus 31 percent.