Issues

Summary: Insect water balance can profoundly modify their thermal tolerance and response to climate change. We propose a physiology-based approach that could integrate dehydration and temperature, and lead to better predictions.

Summary: Spectral sensitivity of light avoidance in the larvae of the twilight-swarming Ephoron virgo mayflies is very similar to that of the attraction of adults to light.

Summary: Dev-ResNet is a small and efficient 3D convolutional neural network capable of automated detection of developmental events with both spatial and temporal components.

Summary: Development of an automated escape system enabling manipulation of prey kinematic and behavioral parameters, offering a new approach for investigating predator–prey interactions.

Summary: Development of a reliable surgical technique for isolated activation of the plantarflexor muscles and the tibialis anterior in the rabbit, and presentation of joint torque data for four rabbits at a single joint angle and three stimulation frequencies.

Summary: Anthropogenic disturbances in water conditions alter the electric signals of weakly electric fish. One species compensates by increasing signal amplitude without incurring additional metabolic cost.

Editors' choice: Photosynthetic (and therefore oxygen-producing) sea slugs can cope with heat stress by plasticity in thermal tolerance and metabolic suppression, but depend on their stolen chloroplasts to do so.

Highlighted Article: High-magnitude tibial strains that are implicated in stress fracture development are sensitive to changes in running speed but not grade.

Summary: Giant danios can school without lateral lines, but not in darkness. Analysis of their turning showed attraction to fish nearby in darkness, but only with their lateral lines.

Summary: Lagrangian geometrical multiscale analysis of Cataglyphis desert ant walking trajectories revealed hitherto unrecognised details of search paths, for instance, variation in path tortuosity depending on goal distance.

Highlighted Article: Three non-neuronal sites previously linked to control of metabolic physiology over seasonal and daily time scales show a peak in c-fos expression at the initiation of arousal from torpor; these sites may mediate metabolic feedback-based initiation of the spontaneous arousal process.

Summary: The impact of hypoxia on blood glucose in hypoxia-tolerant mole-rats varies depending upon ontogeny and social status.

Summary: Hummingbirds exhibit complex wing deformations throughout the stroke cycle, and the timing and origin of these deformations differs between hoverfeeding behaviours.

Summary: Pulsation waves traveling along the heart tube of the ascidian Ciona robusta intermittently reverse due to autonomous and periodical changes in the beating frequencies of a pair of terminal pacemakers.

Summary: Three insect species with different oxidative capacities display different metabolic regulation at lower temperature but share similar enzymatic thermal sensitivity for Complex II and mitochondrial glycerol-3-phosphate dehydrogenase at high temperature.