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No page found for '/Water%20evaporation%20concerns%20all%20land-living%20organisms,%20as%20ambient%20air%20is%20dryer%20than%20their%20corresponding%20equilibrium%20humidity.%20Contrarily%20to%20plants,%20mammals%20are%20covered%20with%20a%20skin%20that%20not%20only%20hinders%20evaporation%20but%20also%20maintains%20its%20rate%20at%20a%20nearly%20constant%20value,%20independently%20of%20air%20humidity.%20Here,%20we%20show%20that%20simple%20amphiphiles/water%20systems%20reproduce%20this%20behavior,%20which%20suggests%20a%20common%20underlying%20mechanism%20originating%20from%20responding%20self-assembly%20structures.%20The%20composition%20and%20structure%20gradients%20arising%20from%20the%20evaporation%20process%20were%20characterized%20using%20optical%20microscopy,%20infrared%20microscopy,%20and%20small-angle%20X-ray%20scattering.%20We%20observed%20a%20thin%20and%20dry%20outer%20phase%20that%20responds%20to%20changes%20in%20air%20humidity%20by%20increasing%20its%20thickness%20as%20the%20air%20becomes%20dryer,%20which%20decreases%20its%20permeability%20to%20water,%20thus%20counterbalancing%20the%20increase%20in%20the%20evaporation%20driving%20force.%20This%20thin%20and%20dry%20outer%20phase%20therefore%20shields%20the%20systems%20from%20humidity%20variations.%20Such%20a%20feedback%20loop%20achieves%20a%20homeostatic%20regulation%20of%20water%20evaporation.'