Nature Physics, Published online: 25 April 2024; doi:10.1038/s41567-024-02471-7Spatial dynamics can obscure epidemic trends from surveillance data, biasing reproduction ratio estimates over long periods. A spectral correction reweights incidence data to remove this bias, thus improving monitoring to inform response strategies.

Nature Physics, Published online: 22 April 2024; doi:10.1038/s41567-024-02487-zControlling orbital magnetic moments for applications can be difficult. Now local probes of a kagome material, TbV6Sn6, demonstrate how the spin Berry curvature can produce a large orbital Zeeman effect that can be tuned with a magnetic field.

Nature Physics, Published online: 22 April 2024; doi:10.1038/s41567-024-02476-2Manipulation of the quantum-metric structure to produce topological phenomena has rarely been studied. Now, flexible control of the quantum-metric structure is demonstrated in a topological chiral antiferromagnet at room temperature.

Nature Physics, Published online: 22 April 2024; doi:10.1038/s41567-024-02483-3Connecting two superfluid reservoirs leads to both particle and entropy flow between the systems. Now, a direct measurement of the entropy current and production in ultracold quantum gases reveals how superfluidity enhances entropy transport.

Nature Physics, Published online: 19 April 2024; doi:10.1038/s41567-024-02461-9Electron capture in 163Ho can be used to determine the electron neutrino mass. The Q value of this process is crucial for the evaluation of the systematic uncertainty in such a measurement, and a 50-fold improvement is now reported.

Nature Physics, Published online: 16 April 2024; doi:10.1038/s41567-024-02470-8Bart Verberck uses the musical cent as a pretext to touch on some of the intricacies of musical tuning systems.