Our understanding of female–male power relationships in animals has changed over time. Evolutionary biologists once thought that male mammals held clear-cut power over females. Later, species with ...

To switch the gender of your Rover, open the main menu and then hit the settings cog in the bottom right corner. Then, click on the Other tab, which is represented by the wrench icon in the bottom ...

The study measured “rank” within the bonobo communities by tallying how many times females won conflicts with males. Females usually came out on top. Photograph by Christian Ziegler By banding ...