When people talk about the coronavirus, they sometimes describe this invisible entity as if it has a personality and even a conscience. If you ask a biology or medical student what a virus is, they ...

Copper kills most germs within hours because it disrupts a pathogen's protective layers that keep its cells alive.

Viruses acquire genes from eukaryotes — organisms whose cells store their DNA in a nucleus — and use them for their own function. Conversely, eukaryotes acquire genes from viruses to bring new ...

Over a single day, in the placid waters of a single pond, a million virus particles might enter a single-celled organism known for the minuscule hairs, or cilia, that propel it through those waters.