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  • An apparent quirk of mathematics draws on a symmetry and resolves the issue of how to determine the equilibrium shape of crystals of two-dimensional materials with asymmetric terminations.

    • Paul Erhart
    • J. Magnus Rahm
    News & Views
  • About 700 scientists from 45 countries gathered in Dresden for the first time since the start of the COVID-19 pandemic to share their latest findings on metal–organic frameworks and open frameworks compounds.

    • Veronique Van Speybroeck
    • Guillaume Maurin
    Meeting Report
  • This Review discusses recent progress in bioinspired nanocomposite design, emphasizing the role of hierarchical structuring at distinct length scales to create multifunctional, lightweight and robust structural materials for diverse technological applications.

    • Dhriti Nepal
    • Saewon Kang
    • Hendrik Heinz
    Review Article
  • Experiments with entangled photons, which enabled the pioneering of quantum information science, have been awarded this year’s Nobel Prize in Physics.

    Editorial
  • As metal–organic frameworks move towards practical application, data for an expanded range of physical properties are needed. Molecular-level modelling and data science can play an important role.

    • Randall Q. Snurr
    News & Views
  • Angle-resolved photo-emission spectroscopy measurements demonstrate that different types of three-dimensional charge-order pattern are realized in distinct members of a newly discovered family of superconductors with underlying kagome lattices.

    • Rafael M. Fernandes
    News & Views
  • A transition from three- to two-dimensional magnon transport in ultrathin yttrium iron garnet films reveals giant spin conductivity at room temperature.

    • M. Benjamin Jungfleisch
    News & Views
  • Coupling charge transfer with molecular protonation processes yields electronic systems that display negative differential conductance, an effect that can be harnessed to implement a wide range of device configurations from logic gates to synaptic behaviour.

    • Joshua Hihath
    News & Views
  • To realize electronic operations beyond the von Neumann bottleneck, a new type of switch that can mimic self-learning is needed. Here, the authors demonstrate all-in-one-place logic and memory operations based on dynamic molecular switch that can emulate brain-like synaptic and Pavlovian response, bringing the field a step closer to molecular-scale hardware.

    • Yulong Wang
    • Qian Zhang
    • Christian A. Nijhuis
    Article
  • Spectral shifts in transient photoluminescence measurements performed with a confocal microscope allow tracking of charge carrier mobilities in polycrystalline halide perovskites.

    • Thomas Kirchartz
    News & Views
  • The authors report a crossover from easy-plane to easy-axis magnetic anisotropy in monolayer RuCl3, which they attribute to an in-plane distortion of the Cl atoms observed in electron diffraction that modify the non-Kitaev exchange terms. The results are useful for overcoming the challenge of realizing a quantum spin liquid.

    • Bowen Yang
    • Yin Min Goh
    • Adam W. Tsen
    Article
  • Low-power and compact active pixel sensor (APS) matrices are desired for resource-limited edge devices. Here, the authors report a small-footprint APS matrix based on monolayer MoS2 phototransistors arrays exhibiting spectral uniformity, reconfigurable photoresponsivity and de-noising capabilities at low energy consumption.

    • Akhil Dodda
    • Darsith Jayachandran
    • Saptarshi Das
    Article
  • Encoding information redundantly in a three-spin-qubit silicon device together with a novel quantum gate can protect against common errors.

    • Andre Saraiva
    • Stephen D. Bartlett
    News & Views
  • Pine cones deform ultraslowly as humidity changes, which is mostly driven by the spring-shaped and square microtubular heterostructure of the vascular bundles. This mechanism inspires the development of soft actuators with imperceptible but efficient motion under environmental stimuli.

    • Cecilia Laschi
    • Barbara Mazzolai
    News & Views