Describes the mutually beneficial partnerships existing around the world between animals from different families such as the relationship between the African tick bird and the rhinoceros.
Presents information on sore throats, including common causes, the structure of the throat, and how to prevent and treat sore throats. Includes fact boxes, a glossary, and further resources.
Discusses genetics and genetic diseases and discusses the controversy over genetic engineering emphasizing both its potential benefits and its potential health hazards.
