Presents the disorder known as Down Syndrome, covering such aspects as historical background, medical causes, physical and mental limitations, and development from infancy through adulthood, including sexuality, social skills, and group homes.
Provides scientific descriptions of the major sexually transmitted diseases, discussing their causes, symptoms, and treatments; traces the social history of such diseases; and offers advice on how to keep from becoming infected.
Describes a variety of devices and systems used for identifying individuals, including finger and hand scans, iris and retinal scans, fingerprinting, DNA fingerprinting, and voice pattern recognition, and gives examples of how they are used.
Contains instructions for eight experiments that show young scientists how rocks differ from minerals, different types of rocks, and the importance of minerals.
Explores the science behind energy through simple experiments that use everyday objects to demonstrate, for example, how food produces energy and how a roller coaster works.
