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Highlighted Article: Soft tissue deformations dissipate substantial energy during human walking, as predicted by a simple dynamic walking model.

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COMMENTARY

Summary: The first checklist of guidelines for reporting methods of intermittent-flow respirometry to enhance study replicability. Methods reporting for this technique has been inconsistent and incomplete in peer-reviewed articles.

REVIEW

Summary: This Review considers the multiple roles played by Hif-1α in teleosts, examining its involvement in the ventilatory response and cardiac function in hypoxia and its role during thermal disturbance.

RESEARCH ARTICLES

Summary: A method to accurately estimate stance velocity in running that requires only contact time, flight time, average speed and gross anthropometry (i.e. mass and leg length or height), improving generalizability of spring–mass analyses.

Summary: Interneurons of the goldfish retina are resistant to the effects of hypoxia as a result of an intracellular pathway involving ATP-dependent K+ channels of the mitochondrial membrane.

Summary: Cardiac Nmnat/NAD+/SIR2 pathways are important antagonists of high-fat diet-induced lipotoxic cardiomyopathy and their activation is the key underlying mechanism in the prevention of lipotoxic cardiomyopathy by endurance exercise and cardiac Nmnat overexpression in Drosophila.

Summary: Even very low doses of a simulated infection increase levels of oxidative damage in tree swallow nestlings, but only high doses decrease body mass.

Summary: Integrating morphological analysis of bristled wings seen in miniature insects with physical model experiments shows that aerodynamic forces are unaffected across the broad biological variation in number of bristles.

CORRECTION

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