News & Views in 2019

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  • Organic donor–acceptor heterojunctions can show efficient electroluminescence and at the same time generate charges under photovoltaic operation.

    • Wolfgang Brütting
    News & Views
  • Potassium–air batteries, which suffer from oxygen cathode and potassium metal anode degradation, can be cycled thousands of times when an organic anode replaces the metal.

    • Yann K. Petit
    • Stefan A. Freunberger
    News & Views
  • Impulsive Raman spectroscopy reveals how atoms are pushed into action by light absorption. The surprising sensitivity of this behaviour to the polaronic character of 2D perovskites opens up new avenues for tailored light–matter interactions.

    • Christoph Schnedermann
    • Akshay Rao
    • Philipp Kukura
    News & Views
  • A two-step method has been developed for the accelerated and efficient generation of human kidney organoids using in vitro and in ovo culture in a three-dimensional environment.

    • Susana M. Chuva de Sousa Lopes
    News & Views
  • Strong spin–electric coupling related to modulation of magnetic coupling has now been observed in polar spin chains. This is a first step towards switching quantum bit interactions by localized electric fields.

    • Joris van Slageren
    News & Views
  • Irradiating a PbTiO3/SrTiO3 superlattice with ultrafast UV light pulses modifies elastic and electrostatic interactions, resulting in the formation of a stable complex 3D supercrystal.

    • J. M. Gregg
    News & Views
  • Neural probes that mimic the subcellular structural features and mechanical properties of neurons assimilate across several structures of the brain to provide chronically stable neural recordings in a mouse model.

    • Jeffrey R. Capadona
    • Andrew J. Shoffstall
    • Joseph J. Pancrazio
    News & Views
  • Multiferroic quantum criticality — associated with the merging of two distinct quantum critical points — is explored, with implications for fundamental physics and low-temperature applications.

    • Premala Chandra
    News & Views
  • Microparticle debris from prosthetic implants has been shown to induce a type 2 inflammatory response through a Bruton’s tyrosine kinase-dependent signalling pathway.

    • Dimitri A. de Kouchkovsky
    • Sourav Ghosh
    • Carla V. Rothlin
    News & Views
  • A DNA nanodevice performs pathfinding search and computes the solution of two-dimensional DNA origami puzzles.

    • Georg Seelig
    News & Views
  • A hybrid state of photons and electronic excitations in semiconductor quantum wells shows nonlinear behaviour at the level of single or few quanta, thus opening the door to the realization of photonic nonlinear quantum devices employing semiconductor technologies.

    • Dario Gerace
    • Fabrice Laussy
    • Daniele Sanvitto
    News & Views
  • A photonic crystal design, consisting of two separated lattices arranged in a specific way, forms the base of high-brightness semiconductor lasers, with a very narrow beam divergence angle.

    • L. Kuipers
    News & Views
  • A vaccine platform developed from a synthetic polymeric glyco-adjuvant and reversibly conjugated to an antigen was shown to target dendritic cells leading to cellular and humoral immune response against malaria.

    • Yvette van Kooyk
    News & Views
  • A single dopant molecule can exchange more than one charge with the hosting polymer semiconductor, doubling the maximum doping efficiency achievable.

    • Björn Lüssem
    News & Views
  • Despite an enormous number of nanopores that could, in principle, be formed in atomically thin materials, advanced modelling reveals that in typical experiments rather limited ensembles of most likely nanopores should be observed.

    • Petr Král
    News & Views