The session plans are also grouped according to theme areas such as emotions, anger, problem solving, and the media and violence. Violence Prevention features a transformational model so that participants are not left feeling overwhelmed or hopeless. In addition to discussion, it suggests the use of art, films, and role-playing activities. Included is a table of contents. Viruses are so small that they could not be seen directly by scientists until 1930, with the development of the electron microscope.
Viewers study the structure of viruses and learn how they reproduce.
The role of antibodies in fighting viruses and the difference between AIDS and other viruses are addressed. Facklam, Howard and Facklam, Margery. Twenty First Century Bks. It describes how these viruses attack cells and how the viruses change. The authors introduce the scientists who found the viruses and also describe the controls and vaccines being developed.