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Spores of Aspergillus

Photo: Spores of Aspergillus
Scanning electron microscopy image, photographed at Ludwig Maximilians University, Munich, Germany, showing spores of Aspergillus. Aspergillus species are common contaminants of starchy foods (such as bread and potatoes), and grow in or on many plants and trees.
Photograph by G. Wanner/Getty Images

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Body: The Complete Human

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The Incredible Human Body DVD and Video

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Explore the human body from the inside out.