News & Views in 2021

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  • Large uniaxial strain drives a sequence of topological phase transitions in the quasi-one-dimensional superconductor TaSe3, paving the way for the reversible control of surface spin currents.

    • Phil D. C. King
    News & Views
  • Two-dimensional (2D) metal oxides that can be exfoliated are produced via direct oxidation of their elemental metals, providing a simple and easy way to incorporate these materials in van der Waals heterostructures.

    • Gareth S. Parkinson
    News & Views
  • An implantable stent inspired by kirigami has been developed and integrated with a fluidically driven soft actuator to deliver drugs to tubular organs in the body such as the gastrointestinal and respiratory tracts.

    • Alexandra Teleki
    • Per Artursson
    News & Views
  • Four-dimensional scanning transmission electron microscopy is demonstrated to be a powerful technique for interrogating local strain of twisted graphene bilayers, revealing a two-regime lattice reconstruction process below the ‘magic’ angle.

    • S. J. Haigh
    • R. Gorbachev
    News & Views
  • The combination of multicomponent magnetic nanoparticles and a mechanosensitive ion channel has been shown to achieve fast magnetomechanical stimulation of neurons within the brain.

    • Rahul Mushi
    • Arnd Pralle
    News & Views
  • Direct experimental observations reveal that grain boundaries in aluminium oxide migrate by a chain of structural phase transformations within the boundary core.

    • Y. Mishin
    News & Views
  • The stiffness of the basement membrane is a determinant of the process of metastasis and patient survival. Netrin-4 is now shown to be a key regulator of the basement membrane stiffness.

    • Patrick Mehlen
    • Laurent Fattet
    News & Views
  • Clever 3D-printed acoustic materials allow probing a new higher-order semimetallic topological phase using audible sound.

    • R. Fleury
    News & Views
  • First-principles calculations on a prototypical hybrid organic–inorganic perovskite reveal an unexpected role for hydrogen defects in the optoelectronic properties of this material.

    • Leeor Kronik
    • Andrew M. Rappe
    News & Views
  • Ionizable phospholipids have been developed to enhance the delivery of mRNA and sgRNA for gene editing by selective organ targeting and endosomal membrane destabilization.

    • Satish G. Jadhav
    • Steven F. Dowdy
    News & Views
  • Conjugated sulfonamides have been demonstrated as cathodes with high redox potentials and exceptional atmospheric stability, providing a sustainable alternative to traditional inorganic materials used in commercial lithium-ion batteries.

    • Jing Xie
    • Yi-Chun Lu
    News & Views
  • Bright hot plasmon emission is observed in graphene due to the ultrafast relaxation of hot carriers that were excited by femtosecond laser pulses of visible light.

    • Frank H. L. Koppens
    • Klaas-Jan Tielrooij
    News & Views
  • A microporous annealed particle biomaterial has been developed to induce an immune response that can enhance wound healing and tissue repair.

    • Jessica L. Stelzel
    • Joshua C. Doloff
    News & Views
  • Very low-density pulsed current is shown to sharply change the dislocation evolution pattern of Ti–Al alloy with 7 at.% Al, enhancing its strength and ductility.

    • Stefan Zaefferer
    News & Views
  • Using group theory and first principles calculations, it is shown that an analogue of the Dzyaloshinskii–Moriya interaction that allows the antisymmetric exchange spin coupling in magnets exists in ferroelectrics.

    • Javier Junquera
    News & Views
  • A light-induced topological phase transition is realized in the Dirac semimetal ZrTe5 by coherently driving symmetry-breaking phonons.

    • N. S. Sirica
    • R. P. Prasankumar
    News & Views