Mathematical physics Research update Do general anaesthetics trigger a phase transition in the brain? Model suggests tiny change in communication could have large effect on neuron interaction Read article: Do general anaesthetics trigger a phase transition in the brain?
Structure and dynamics Research update Protein pulling reveals a new way that molecules resist external forces Atomic-force-microscopy study could help in the development of protein-inspired machines Read article: Protein pulling reveals a new way that molecules resist external forces
Telescopes and space missions Research update Galactic shape-shifting signals a decrease in star formation across cosmic history Study suggests that most stars are born in spiral galaxies but end up in elliptical ones Read article: Galactic shape-shifting signals a decrease in star formation across cosmic history
Transport properties Research update Physicists claim ‘loophole-free’ Bell-violation experiment Photons and diamonds used to simultaneously close detection and locality loopholes for the first time Read article: Physicists claim ‘loophole-free’ Bell-violation experiment
Plasma physics Research update Antimatter ‘surfs’ to higher energies on a plasma wave New positron acceleration technique could boost energies in next-generation colliders Read article: Antimatter ‘surfs’ to higher energies on a plasma wave
Particles and interactions Research update Nanotubes energize laser-accelerated ions A layer of carbon nanotubes can triple the energy of laser-accelerated carbon ions Read article: Nanotubes energize laser-accelerated ions
Transport properties Research update ‘Decorated’ graphene is a superconductor Depositing lithium on 2D material generates Cooper pairs Read article: ‘Decorated’ graphene is a superconductor
Transport properties Research update World’s thinnest diffraction gratings made from graphene Ultrathin nano-gratings produce high-contrast interference patterns of massive molecules Read article: World’s thinnest diffraction gratings made from graphene
Earth sciences Research update Could radon and one of its radioactive isotopes reliably predict an earthquake? Radon–thoron isotope concentrations may peak before an earthquake Read article: Could radon and one of its radioactive isotopes reliably predict an earthquake?
Ultrafast science Research update Single photons see the light Photon–photon interactions pave the way to all-optical quantum computers Read article: Single photons see the light
Optics & Photonics Briefing This issue explores lasers and detectors, solar power, medical imaging and high-resolution displays