Bacteria and viruses are often lumped together as germs, and they share many characteristics. They’re invisible to the human eye. They’re everywhere. And both can make us sick. Bacteria and viruses ...

The viruses that kill bacteria may be our best bet against antibiotic resistance — if we can understand how they win. When you purchase through links on our site, we may earn an affiliate commission.

Scientists generally agree that eukaryotes, the domain of life whose cells contain nuclei and that includes almost all multicellular organisms, originated from a process involving the symbiotic union ...