Bacteriology is the study of microscopic living things called bacteria. Scientists are learning more about how to promote the growth of good bacteria and fight bad ones to improve our health. Additionally, bacteria are used in various industries to produce useful compounds.

Fungi are some of the coolest organisms around! They come in all shapes and sizes, from the yeast to make bread to the mold on old bread. Some fungi are beneficial and help recycle nutrients back into the environment, while some cause problems like infections.

Virology is the study of viruses, tiny particles that can make us sick. By studying virology, we can learn how to prevent and treat viral diseases, like the flu and COVID-19.

Yeast is a tiny organism that is used to make many of our favorite foods, like bread and beer. By studying yeast, we can learn how to make these foods taste even better and last longer.