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Emerging Organisms vol. 4 Released by: Tympanik Audio Release/catalogue number: TA056 Release date: Aug 9, 2011 Alaska's Susitna Glacier Image Credit: NASA/GSFC/METI/ERSDAC/JAROS, and U.S./Japan ASTER Science Like rivers of liquid water, glaciers flow downhill, with tributaries joining to form larger rivers. But where water rushes, ice crawls. As a result, glaciers gather dust and dirt, and bear long-lasting evidence of past movements. Alaska's Susitna Glacie
