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An RNA enzyme is caught in the act of evolving a new structural domain within its active site, resulting in enhanced catalytic function.

Laboratory experiments using a microbial community and mathematical modeling reveal how environmental disturbances can predictably alter the diversity and composition of an ecosystem.

The structural basis of how an enzyme differentiates chemically identical molecules unlike its homolog to channel fatty acids towards secondary metabolism is elucidated.

The variability of the pupil–fMRI relationship was characterized through a combination of clustering and prediction methods, which revealed brain state-specific subcortical and neuromodulatory activation patterns reflected in pupil dynamics.

The use of nanopatterned hydrogels and specific integrin α5β1 peptidomimetic revealed that keratinocytes require an optimum inter-ligand spacing to best propagate intercellular forces and efficiently coordinate cell sheet migration.

In the antennal lobe of insects, nonspiking local interneurons play a crucial role in intraglomerular signaling.

Activity-induced dendritic calcium influx in oxytocinergic magnocellular neurons can be robustly modulated by a highly diverse set of stimuli acting on distinct types of ion channels expressed along the dendritic membrane.

Systemic but not locally produced thrombopoietin promotes hematopoietic stem cell regeneration after myeloablation.