Summary: Two decades of research on anoxia tolerance have highlighted the role of mitochondria in this phenomenon and have revealed that tolerance of reoxygenation must also be considered.
Summary: Recent studies extending physiological work loop techniques to unsteady conditions are organized into top-down and bottom-up approaches, to work towards understanding function from isolated muscle to integrated movement.
Summary: Body size affects an animal's shape, energy use, movement patterns and ecology. Here, we illustrate how scaling principles can explain how physical limits and evolutionary history can determine form and function.
Summary: Spiderlings reared in social isolation develop aggressive interactions, but tolerance can be induced if they are exposed to their siblings just after moulting.
METHODS & TECHNIQUES
Measurement of voluntary bite forces in large carnivores using a semi-automated reward-driven system
Summary: Maximum bite forces of large mammals can be measured voluntarily using an automated system.
Highlighted Article: Severe hypoxia attenuates the visual, but not auditory responses in a reduced brain preparation from a pond turtle.
A hypothesis for robust polarization vision: an example from the Australian imperial blue butterfly, Jalmenus evagoras
Highlighted Article: A novel model for robust polarization vision in butterflies based on the alignment of ommatidial arrays, supported by behavioral, spectroscopic and histological evidence from the Australian butterfly Jalmenus evagoras.
Accelerated abdominal lipid depletion from pesticide treatment alters honey bee pollen foraging strategy, but not onset, in worker honey bees
Highlighted Article: Honey bees exhibit a gradual decline in abdominal lipid that can be accelerated by stress; this pesticide-induced accelerated lipid decline shifts foraging preference to fattier pollen.
Summary: Exposure to light stimuli during growth increases visual behavioural responses in chicks of a light-impacted seabird species.
Dynamics of horizontal walking and vertical climbing in the Australian green tree frog (Ranoidea caerulea)
Summary: When vertically climbing, tree frogs generate propulsive forces from both the hindlimb and forelimb. They exhibit high mechanical efficiency, with total mechanical power costs only slightly above a theoretical minimum.