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Describes modern developments in the field of genetics, discussing the mapping of the human genome, the genetic causes of afflictions, and genetic modification. -
Presents a general history of the cultural and social aspects of the ancient Maya and Aztec empires up to the arrival of Spanish conquerors, in a book that also provides readers with instructions for creating such related craft projects as a feather fan, a mosaic mask, a codex, and a miniature pyramid temple. -
Presents information about the endocrine system, including what it is, conditions and diseases associated with it, how endocrine problems are diagnosed and treated, how to maintain a healthy endocrine system, and ways of coping with endocrine problems. -
Presents a history of ancient American civilizations prior to the arrival of Columbus, discussing history, agriculture, religion, architecture, art, and politics. -
Presents an introduction to rivers and streams, including the effects they have had on human settlements and trade, and the physical geography of the earth; also examines the major rivers in the world, including the Nile, Amazon, and Ganges. -
As the world's population expands, so too does the risk of communicable disease and global pandemics. Consequently, healthcare has assumed a greater centrality in the public consciousness both in the United States and around the world. With various national and international organizations dedicated to epidemiological research and disease control, societal welfare has become an increasingly significant aspect of public policy. The historical, legal, and scientific factors that form the basis of public health locally and globally are the subjects of this relevant and revealing volume.
