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Nature Physics, Published online: 10 January 2024; doi:10.1038/s41567-023-02308-9

It has been suggested that Gaussian boson sampling may provide a quantum computational advantage for calculating the vibronic spectra of molecules. Now, an equally efficient classical algorithm has been identified.

Nature Physics, Published online: 10 January 2024; doi:10.1038/s41567-023-02307-w

Transport measurements of the metallic kagome spin ice HoAgGe show that it has an emergent discrete symmetry that is not apparent from measurements of its magnetization.

Nature Physics, Published online: 09 January 2024; doi:10.1038/s41567-023-02315-w

Predicting the complex flows that emerge in active fluid networks remains a challenge. A combination of experiments and theory was used to determine the hydraulic laws of active fluids. Analogies with frustrated magnetism and loop models explain the emergent flow patterns that result when active fluids explore pipe networks.

Nature Physics, Published online: 09 January 2024; doi:10.1038/s41567-023-02304-z

Cells actively rearrange their cytoplasmic machinery to perform diverse functions. Now, friction forces generated between cytoplasmic components provide a physical basis for cell shape change.

Nature Physics, Published online: 09 January 2024; doi:10.1038/s41567-023-02359-y

A promising pathway towards the laser cooling of a molecule containing a radioactive atom has been identified. The unique structure of such a molecule means that it can act as a magnifying lens to probe fundamental physics.

Nature Physics, Published online: 09 January 2024; doi:10.1038/s41567-023-02296-w

Measurements of the rovibronic structure of radium monofluoride molecules allow the identification of a laser cooling scheme. This will enable precise tests of fundamental physics, such as searches for parity or time-reversal symmetry violation.

Nature Physics, Published online: 09 January 2024; doi:10.1038/s41567-023-02301-2

Experiments with active colloidal fluids in large-scale hydraulic networks reveal a connection between emergent flows and dynamical spin-ice patterns.

Nature Physics, Published online: 09 January 2024; doi:10.1038/s41567-023-02302-1

Friction forces at the interface between tissues play a key role in tissue morphogenesis. Now friction at the cellular scale is shown to influence cell shape and cell rearrangements.