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Science  16 Nov 2012:
Vol. 338, Issue 6109, pp. 869-870
DOI: 10.1126/science.338.6109.869-a

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Summary

World Toilet Day, held annually on 19 November, aims to raise awareness of the 2.5 billion people around the world living without proper sanitation. And in other news, a scientist and an artistic director have figured out a way to model the movement of molecules in a cell—through dance.