The Major Histocompatibility Complex region evolves via gene birth-and-death, resulting in short-lived genes, rapidly expanding gene subfamilies, and many gene fragments.
Why do no two human faces look quite the same? Although we all follow the same biological blueprint, our features—the curve of a lip, the angle of a nose, the breadth of a jaw—diverge in endlessly ...
Michael A. Little does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...
Nintendo released its latest firmware update for Switch 2 last night, ushering in a handful of general improvements for the console. Alongside these tweaks, the update also appears to have coincided ...
The koalas clambering around eucalyptus canopies may be cuddly herbivores, but their extinct relatives were horrifying predators. The charismatic marsupials are the closest living relatives of ...
The evolutionary origin of sperm can be traced back to a single-celled ancestor of all living animals. Almost all animals reproduce by having a single-celled stage of their life cycle, involving two ...
A recent study reveals we have a long-lost relative which hung out with our more famous apelike ancestors about three million years ago. It turns out the human family tree is more complicated than we ...