A yellow band across a wing might look like a simple flourish. In the South American rainforest, it can mean survival.

Butterflies and a moth species reused the same two genes, ivory and optix, to create similar warning colors over millions of ...

The saying "cold hands, warm heart" is usually meant metaphorically—but new research from UC Davis School of Medicine and ...

During the early stages of a pandemic, viruses tend to evolve in ways that enhance their ability to reproduce and spread, ...

Evolution seems to follow a script more often than expected. Researchers found that distantly related butterflies and moths ...

How do our genes determine our appearance and our susceptibility to disease? This question is central to biomedical research, ...

A 76-year-old woman, who had a history of treated hepatitis C virus infection, presented with rapidly progressive kidney failure and a stroke. Palpable purpura on the legs was noted. A diagnosis ...