How the Southern Plains developed into a sea of dust in the 1930's and what farmers are doing today to prevent further erosion of their land. Grades 5-8.
Describes the 1994 discovery made in Chauvet, France, of a cave with Stone Age rock paintings, and discusses the significance of cave art to people living in prehistoric as well as modern times.
Describes instances of dolphin friendship with humans, dolphin anatomy and life in the sea, care of their young, dolphins as pets and performers, and scientific experiments on their capacity to hear and communicate with one another.
Explains how the study of mummies, both natural and man-made, including a frozen baby mammoth found in Siberia and the human mummies of Egypt, Peru, and Denmark, can reveal information about ancient civilizations and prehistoric life.
