Journal Article 3D geometric structures Case Reports Ceramides Lipid Bilayers Polyphenols Pulmonary Surfactant-Associated Protein C Pulmonary Surfactants Research Support, Non-U.S. Gov't Review actuator materials actuators ambient temperature processing anisotropic hierarchical structures birefringence cellulose nanocrystals cellulosic materials conductive nanocomposites covalent-noncovalent interpenetrating networks dynamic covalent network flexible membranes graphene oxide mechanical properties multilevel relaxations multi‐modal melt‐processing muscle‐like diastole and contraction programmable anti‐counterfeiting recyclability self-healing self‐healing