Competition for mates between prehistoric human women may have contributed to 'concealed ovulation' – a lack of any notable physical clues that a woman is fertile, experts say. Using computational ...

I love science, and you should, too, if only because it provides us with the best (perhaps the only) way of genuinely knowing the world. But as a scientist, I also love what we don’t (yet) know.

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 ...

Most female mammals are anything but subtle when it comes to telling males it's time for sex. Not humans. For good evolutionary reasons, women have found it's much better to keep men in the dark.