For decades, biology textbooks have drawn a firm line: viruses are not alive. They lack the machinery to reproduce on their own, they carry no metabolism, and they depend entirely on host cells to ...

Understanding the differences between bacteria and viruses is crucial for recognizing how these microorganisms impact our health. While both are microscopic and can cause infections, they differ ...

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, even kill us. That last ...