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Long one of Iowa's most important industrial cities, Ottumwa was established on the banks of the Des Moines River in 1843. The river was both a blessing, providing transportation as well as ice for early meatpacking plants, and a curse, inundating the city with periodic floods until it was tamed in the latter half of the 20th century. This collection of vintage photographs highlights the city's industries and laboring people, the river's role in the shaping of the community, and Ottumwa's unique place in history as the location of the Iowa Coal Palace and Industrial Exhibits of 1890 and 1891...

This concise and beautifully illustrated book traces the evolution of the Cosmos from the Big Bang to the development of intelligent life on Earth, conveying clear science in an engaging narrative. By mapping the history of the Universe for introductory science and astrobiology course for non-science majors, this book explores many of the most fascinating questions in science. What is the origin of the Universe? How do stars and planets form? How does life begin? How did intelligence arise? Are we alone in the Cosmos? Physics, chemistry, biology, astronomy and geology are combined to create a...

Interest in biofilms has increased dramatically in recent years. New microscopic and molecular techniques have revolutionized our understanding of biofilm structure, composition, organization, and activities. This book brings advances in the prevention and treatment of biofilm-related diseases to the attention of clinicians and medical researchers. Human tissues often support complex microbial communities growing as biofilms that can cause infections. As microbes in biofilms exhibit increased tolerance toward anti-microbial agents and decreased susceptibility to host defense systems,...