Silverstein, Alvin

Discusses the three kinds of symbiosis: mutualism, commensalism, and parasitism and describes examples of these relationships.

Explains photosynthesis, the process responsible for providing the material and energy for all living things, and discusses such related issues as respiration, the carbon cycle, acid rain, and the greenhouse effect.

Explains various components of a food chain and discusses the concepts of food webs, umbrella species, biogeochemical cycles, and more.

Explores the history of sickle cell anemia, discussing its symptoms, diagnosis, and treatment.

Traces the history of measles and rubella; describes the symptoms of the disease and the methods in which it is transmitted; explores the development of the measles vaccine; and discusses why measles and rubella continue to be a problem in spite of preventative medicine.

Describes these single-celled organisms and explains their importance in maintaining the ecosystem.

Explains the structure and function of DNA and discusses current relevant scientific research.

Describes the causes and treatments for stomachaches and how to avoid them.

Explains the injuries of sprains and strains, what is the difference between the two, and how they are treated.

Introduces several commonly owned aquarium fish and offers advice on their care, feeding, and breeding.