The slick interior of the pitcher plant has inspired a slippery material possessing self-lubricating, self-cleaning and self-healing properties. The secret is to infuse a porous material with a liquid that repels oils and water. See Letter p.443
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Nosonovsky, M. Slippery when wetted. Nature 477, 412–413 (2011). https://doi.org/10.1038/477412a
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DOI: https://doi.org/10.1038/477412a
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