Wikipedia Gender [moebio.com] by Santiago Ortiz reveals the proportion of female versus male people who edit a Wikipedia article. I wanted to check, for instance, if stereotypes are validated.
All unique articles are represented by individual dots, which are colored by specific categories, like "Books", "Emotions" or "TV Programs", and mapped by male versus female editorship frequency.
As the 2 axes are skewed with a factor of 10, the graph might not be immediately intuitive to read. However, anything that is positioned left from the 1-1 diagonal, has more female editors than male. And that is of exactly 1 lonely article.