Are viruses living or non-living? According to the presentation, they are both and neither. Clearly, this requires clarification and an in-depth look at viruses, viroids, and prions. Young scientists learn about the history, structure,...

An eight-unit electronic textbook provides a guide to AP® Biology. Each of the 28 chapters include an introduction, multiple lessons, a summary, review questions, and test prep questions. Teachers see how each lesson connects to a big...

A very timely lesson looks at the social and political factors that affect the spread of disease. Using the 1918 Influenza Pandemic as a case study, pupils research factors that influenced the spread of the disease, including the role of...