Use medical imaging such as PET scans, MRI’s, and x-rays to identify problems such as fractures, tumors, or diseases. Radiology technicians and technologists often work in hospitals or diagnostic imaging centers. Careers in radiology require education in related medical fields.

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.