Ann Matthysse: What is Bacterium

Ann G. Matthysse, from the University of North Carolina’s Department of Biology, delves into an exploration of harmful and useful bacteria for elementary school students.
Most people have heard of bacteria but know very little about them. In general, bacteria are considered by many people to be dangerous or harmful organisms which should be killed. However, this is a misconception as most bacteria are either beneficial or neutral with respect to our lives and the planet on which we all live. READ MORE