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9) National Geographic investigates ancient Inca: archaeology unlocks the secrets of the Inca's past
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"Shows how ancient treasures help scientists today to piece together the puzzle of the Inca's past. Includes Inca pottery, textiles, and the mummy called the Ice Maiden."--From source other than the Library of Congress.
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Authoritative texts that include interviews with experts, useful time lines, diagrams, glossaries, and more bring readers up to date on the latest findings of specific scientific issues and discoveries in the field of genetics--from the Human Genome Project to stem cell research to the National Geographic's own Genographic Project.
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Water is one of Earths hot environmental topics. The scarcity of clean drinking water will have dramatic consequences for humanity in the 21st century: water disputes could spark regional conflict, while increased desertification and drought could affect world food supplies and the future of farming. Not a Drop to Drink conveys a clear message to young readers about this precious commodity and our urgent need to conserve it.
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Authoritative texts that include interviews with experts, useful time lines, diagrams, glossaries, and more bring readers up to date on the latest findings concerning viruses and bacteria, how we have learned to fight the harmful ones and use the beneficial ones to improve our lives.
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