E. coli, listeria and salmonella bacteria have been making news, again, for sickening Americans. But what exactly are these tiny troublemakers? Truthfully, unless you have a microscope and samples ...

But last week a new-type electron microscope in Toulouse, France, was taking pictures of bacteria that are still alive and reasonably healthy. An electron microscope works by shooting electrons ...

The kitchen microscope is a happy conceit ... It is by no means true that all bacteria are harmful. On the contrary, most of them are in the highest degree beneficent, and the worst that can ...

Gram staining is a process of dying bacteria and then viewing them beneath a microscope. This article discusses Gram-positive and Gram-negative bacteria. It also outlines their differences ...

The Dutch haberdasher had crafted some of the first microscopes, never expecting to spy bacteria, sperm cells, red blood cells and much more. Looking through his microscopes, some of which ...