Discusses the work, homes, crafts, customs, religions, and architecture of the early Indians of North, Central, and South America, from the cold northern regions to the tropical forests.
Discusses how all living things have evolved some form of communication, such as speech and non-verbal animal language, and examines the television, satellites, computers, and other forms of technology developed to spread information.
Discusses the work, homes, crafts, customs, religions, and architecture of the early Indians of North, Central, and South America, from the cold northern regions to the tropical forests.
Describes some of the world's natural materials, such as minerals, and man-made, such as plastics, and the esthetic and functional uses to which they have been put, particularly in the construction of buildings and bridges.
