Ready or not, here comes my final speculative post exploring the evolutionary conundrum of why our species conceals ovulation. Maybe the ultimate evolutionary benefit from concealing ovulation had ...

Human females rely on aids like charting, test strips or wearable tech to identify periods of fertility. Some animals, like baboons, undergo obvious physical changes during ovulation. How did ...

If you missed the last class, we’ve been speculating—with all the seriousness that a playful, hypothesis-exploring orientation calls for—about possible answers to the evolutionary mystery of concealed ...

For a long time, scientists thought that human women had concealed ovulation and menstrual cycles — in other words, that nobody (aside from ourselves and the people we buy our tampons from) could tell ...