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The expansion of bacterial swarms and the spreading of biofilms can be described by a unified biophysical theory that involves both active and passive processes.

Molecular clocks that are robust to external fluctuations are vulnerable to internal fluctuations and vice versa.

A new optical tweezers assay sheds light on the mechanism of cooperation and force generation by the subunits of RecBCD, critical for the repair of double strand breaks in bacteria.

Selective import via bacterial ABC importers is facilitated by a hitherto unrecognized complexity in the conformational dynamics of the substrate-binding proteins.

Action potentials propagating in axon bundles with bifurcating and terminating fibers cause strong and far-reaching extracellular potentials.

Negative feedback signals within the substantia nigra regulate the output of the basal ganglia, with implications for disorders such as Parkinson's disease.

Epithelial tissue remodeling during Drosophila embryonic development is quantitatively described by a simple law relating myosin activity and cell flow.

Outward calcium ion currents desensitize the human PKD2-L1 ion channel via a mechanism that is independent of cytosolic motifs.

Competition between the antagonistic motor proteins myosin V and myosin VI finely tunes unidirectional transport of cargo on different actin architectures.

A novel strategy is presented for quantitatively measuring protein-DNA and protein-protein interactions that regulate transcription in living cells.