Microbiology courses and programs give students a basic understanding of microscopic life. From the viruses that make us sick to the beneficial soil bacteria that help our crop plants grow, these organisms have many relevant human applications.

A Doctorate of Philosophy, or PhD, may require eight years or more to complete, as well as a dissertation. In most fields, the possession of a PhD qualifies the holder to become a professor of a chosen subject. There are many different programs available.

Part time learning allows one to obtain part-time degrees even if one cannot attend school on a full-time basis. One can learn at his or own pace, gradually accumulating credits which count towards final qualification.