A biotech company recently announced that it's implanted another pig kidney into a human recipient. Here's what to know.

With the arrival of summer, many people are looking to show off toned and defined legs. Calves are essential not only for aesthetics, but also for performance in various physical a ...

Facial growth stops at puberty in Homo sapiens. Humans differ from chimpanzees and Neanderthals in how their faces grow. In ...

We all have things that get under our skin. The older I get, the thinner my epidermis becomes. When I feel irritated by these behaviors of others or temporal things, ...