News & Views in 2019

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  • In a murine model of acute colitis, hyaluronic acid–bilirubin-based nanomaterials have been shown to modulate immune response and the gut microbiome, as well as restore the epithelial barrier.

    • Ankur Singh
    News & Views
  • Photonic crystals with optical bandgaps across the entire visible spectrum are generated by reconfiguring three-dimensional blue phase liquid crystalline lattices into long-lived metastable non-cubic structures using sequences of electric pulses.

    • Slobodan Žumer
    News & Views
  • Epithelial layers under compression avoid buckling by active contraction, but only up to a well-defined threshold at 35% strain, beyond which buckling occurs.

    • Ulrich S. Schwarz
    News & Views
  • Mild Lewis and Brønsted acid sites within the confined porous structure of a Nb–Al-containing zeolite work in co-operation to efficiently break down bio-based γ-valerolactone to butenes.

    • Baira Donoeva
    • Krijn P. de Jong
    News & Views
  • A transparent, high-permittivity elastomeric dielectric material shows potential for light-emitting soft robots and stretchable optoelectronics that can self-heal.

    • Jonathan Rossiter
    News & Views
  • Polymer precipitation under turbulent flow is used for the high-throughput synthesis of soft microparticles with fractal coronas that display significant adhesive properties.

    • Theodore Hueckel
    • Stefano Sacanna
    News & Views
  • Inducing a topological phase transition by applying pressure is shown to be a successful strategy for improving the performance of thermoelectric materials.

    • Qiang Li
    News & Views
  • By using solid polymer electrolytes, insight into the local control of iron fluoride conversion based positive electrodes for stable next-generation lithium and Li-ion batteries is obtained.

    • Glenn G. Amatucci
    News & Views
  • Nanofibre mimetic substrates reveal the presence of integrin nanoclusters bridged by unliganded receptors during early cell–matrix adhesion.

    • E. Ada Cavalcanti-Adam
    News & Views
  • Topological corner states characteristic to second-order topological phases are observed on the surface of a solid using a scanning tunnelling microscope. This observation opens a new connection between higher-order topological physics and surface science.

    • Motohiko Ezawa
    News & Views
  • Pressure-induced changes in the layer stacking order is found to result in new magnetic ground states in two-dimensional insulating CrI3. Such van der Waals engineering should provide ample opportunities to design desired magnetic phases.

    • Ji-Hui Yang
    • Hongjun Xiang
    News & Views
  • Ultralow-threshold plasmonic lasers under continuous-wave pumping at room temperature have been created using lattice plasmonic cavities integrated with gain material consisting of upconverting nanoparticles.

    • Ren-Min Ma
    News & Views
  • Shape-directed assembly of engineered microparticles enables multicomponent machines that can reconfigure dynamically to control their field-driven locomotion.

    • Kyle J. M. Bishop
    News & Views
  • A molecular pathway has been identified in the regulation of unjamming to overcome cancer cell migration and proliferation arrest leading to collective cell invasion.

    • René Marc Mège
    News & Views
  • Physical confinement and magnetic fields are used to align organic molecules that self-assemble into large-size single crystals with perfect positional order.

    • Andrei V. Petukhov
    News & Views
  • A first-order ferroelectric phase transition is driven supercritically in multilayer capacitors of PbSc0.5Ta0.5O3, enabling an electrocaloric response of 5.5 K near room temperature.

    • M. Otoničar
    • B. Dkhil
    News & Views