Microbes (by definition) are tiny living things that are only visible through a microscope and include bacteria, viruses, fungi, and protoctists (mainly single-celled life forms such as amoebae and algae). Although people are familiar with the effects of microbes, such as infectious disease and food spoilage, because of their lack of visibility,…

Charles Dickens lived during the best and worst of times in 19th century England. His writings were greatly influenced by the ongoing industrial revolution. He described abhorrent environmental conditions, inadequate sanitary practices, child abuse, and other social maladies of the times. By bringing Charles Dickens into the biology classroom,…

Almost three decades ago, the birth of Louise Brown in England marked the beginning of the "in vitro" fertilization (IVF) era. IVF is done to overcome infertility problems that some couples experience. Sperm and eggs are collected and fertilized in the lab. ("In vitro" means "in glass" and is used to refer to…

Intended for those who are responsible for educating other educators about AIDS (Acquired Immune Deficiency Syndrome), these materials are designed to result in learner-centered instruction about AIDS--helping students of all kinds explore their own anxieties about AIDS and consider the implications of factual information for their own behavior…

One of the most important factors in the education of children is the establishment of their physical health, without which all learning and training must have less value for the individual and for society than they would have with it. Implicitly in the act creating the Bureau of Education and explicitly in recent acts of Congress, investigations…