Since the beginning of the 1980s seismic tomography studies have helped to unravel the deep structure and to constrain the kinematic models of tectonic evolution of Italy. In this chapter I describe the main features of the upper mantle structure beneath the Tyrrhenian – Apennine system obtained by jointly analysing the tomographic results with the distribution of subcrustal earthquakes. A new ...

Sinking organic matter in the North Atlantic Ocean transfers 1–3 Gt carbon yr from the surface ocean to the interior. The majority of this exported material is thought to be in form of large, rapidly sinking particles that aggregate during or after the spring phytoplankton bloom. However, recent work has suggested that intermittent water column stratification resulting in the termination of dee...

In the world's oceans, even relatively low oxygen levels inhibit anaerobic nitrogen cycling by free-living microbes. Sinking organic aggregates, however, might provide oxygen-depleted microbial hotspots in otherwise oxygenated surface waters. Here, we show that sinking diatom aggregates can host anaerobic nitrogen cycling at ambient oxygen levels well above the hypoxic threshold. Aggregates wer...

Bone resorption is a known complication of cranioplasty after decompressive craniectomy (DC). A peculiar group of insidious, progressive, invalidating neurological symptoms was observed in patients presenting with incomplete resorption and abnormal mobility of the re-implanted bone. Such symptoms were similar, but with time more severe, to those encountered in the sinking flap syndrome. Are we ...

This article pivots around the work of early modern legal scholar Hugo Grotius to consider political stakes ontological assessments sea and water in context Dutch imperialism. It draws on links with land reclamation projects Netherlands, while at same time ties these urgent questions within contemporary critical ocean studies water, ontology, race. Suggesting a rethinking Grotius’s understandin...