This research line aims to understand how magmas and lavas flow, with particular emphasis on the role of secondary phases such as crystals and bubbles on the dynamic of these materials. We combine high-temperature experiments, numerical simulations, and 3D characterisation of crystal distributions to investigate flow behaviour and scaling relationships at magmatic conditions. Analogue polymeric systems are also used to simulate multiphase magma dynamics at low temperature, enabling controlled studies of bubble–crystal–melt interactions. In this research line, we have a strong collaborative work with Brazilians, especially at Universidade Federal de Minas Gerais (UFMG) and researchers in volcanology from Ludwig-Maximilians-Universität München, in Germany. Spectroscopic methods and high-temperature techniques, including calorimetry and viscosimetry, are applied to both natural and analogue materials.