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  • Strongly laser-driven quantum correlated many-body systems lead to the generation of light with exotic quantum features — the quantumness of a many-body system is imprinted on the state of the emitted light.

    • Paraskevas Tzallas
    News & Views
  • Strongly driven light sources have become useful in many ways but are limited to classical emission. A quantum-optical theory now shows how non-classical states of light can be achieved from strongly-driven many-body systems, for example, non-coherent and correlated high-harmonic generation.

    • Andrea Pizzi
    • Alexey Gorlach
    • Ido Kaminer
  • Strong correlations between electrons in topological surface states drive the formation of surface van Hove singularities. These may be linked to charge density waves in the surface states.

    • Daniel S. Sanchez
    • Tyler A. Cochran
    • M. Zahid Hasan
  • The authority of science within society is contested by antiscientific movements. To restore trust, science education should involve students in the social processes of knowledge production.

    • P. Riccardi
  • Disturbances in the orientation of magnetization in a magnet can propagate as spin waves or magnons. A design that makes it possible to optically excite nanoscale spin waves offers a route to developing miniaturized spin-based devices.

    • Akashdeep Kamra
    • Lina G. Johnsen
    News & Views
  • Adatoms on the surface of silicon can create two-dimensional superconductivity, the order parameter symmetry of which is currently not known. Now, evidence suggests it might be a topological chiral d-wave state.

    • F. Ming
    • X. Wu
    • H. H. Weitering
  • The protein VASP can undergo liquid–liquid phase separation. The interplay between the surface tension of the VASP droplet and actin polymerization controls the bundling of actin filaments, a necessary step for many cellular processes.

    • Kristin Graham
    • Aravind Chandrasekaran
    • Jeanne C. Stachowiak
  • Tides not only affect ocean dynamics but also influence the Earth’s magnetosphere. Satellite observations have now revealed evidence of tidal effects in the Earth’s plasmasphere correlated with Moon phases.

    • Balázs Heilig
    News & Views
  • By recovering energy from a relativistically accelerated electron beam in a multiturn configuration, a reduction of radiofrequency power has been demonstrated. This is a milestone toward more efficient and better performing accelerators.

    • Peter Williams
    News & Views
  • The presence of small thermal regions in a many-body localized system could lead to its delocalization. An experiment with cold atoms now monitors the delocalization induced by the coupling of a many-body localized region with a thermal bath.

    • Julian Léonard
    • Sooshin Kim
    • Markus Greiner
  • By combining energy recovery technology and a multi-turn accelerating scheme in a linear accelerator, high-power beams can be achieved with considerably reduced energy consumption.

    • Felix Schliessmann
    • Michaela Arnold
    • Simon Weih
  • The ultrafast structural dynamics in 2D perovskites are an important part of their non-equilibrium properties. Now, their visualization reveals a light-induced reduction in the antiferro-distortion initiated by the electron–hole plasma.

    • Hao Zhang
    • Wenbin Li
    • Aditya D. Mohite
  • The concept of quasiparticles helps to describe various quantum phenomena in solids. It is now shown that certain properties of a classical system of hydrodynamically interacting particles can also be described by means of quasiparticles.

    • Imran Saeed
    • Hyuk Kyu Pak
    • Tsvi Tlusty