Sommario “...Lang, Rob Robbins ; Environmental and molecular mechanisms of cold adaptation in polar marine invertebrates / Adam G. Marsh ; Milestones in the study of diving physiology: Antarctic Emperor Penguins and Weddell Seals / Gerald Kooyman ; Interannual and spatial variability in light attenuation: evidence from three decades of growth in the Arctic kelp, Laminaria solidungula / Kenneth H. ...”