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Nature 444, 412 (23 November 2006) | doi:10.1038/444412a; Published online 22 November 2006

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Penguins in bootsPenguins at the International Antarctic Centre in Christchurch, New Zealand, were getting calluses and infections on their feet from spending too much time waddling on the land. So staff have begun a vigorous foot-treatment regime, including giving the birds rubber-soled shoes.