Alas, there are no homunculi crammed inside the smallest human cells. Yet recent research in fertility and urology suggests Hartsoeker’s image could work metaphorically: Sperm can be a proxy for the ...

Beall has been studying the human response to hypoxic living conditions for years. In research published in October 2024, she and her team revealed some of the specific adaptations in Tibetan ...

With the aim of restoring female hormone cycles for pediatric cancer survivors, a team of University of Michigan researchers ...

One of the defining features of human evolution is the steady expansion of our brains. New findings suggest this growth may be partly linked to higher levels of estrogen before birth. Surprisingly, a ...