The same pulling force that causes “tears” in a glass of wine also shapes embryos. It’s another example of how genes exploit ...

It feels like walking into a cavern after hours of darkness: the first instinct is to squint, the second is to freeze, and only much later do you understand the scale of the space you’ve entered. That ...

When labor begins, the uterus must coordinate rhythmic, well-timed contractions to deliver the baby safely. While hormones such as progesterone and oxytocin are key contributors to that process, ...