Just before Christmas, on 21/12/20, Mark Ashworth successfully defended his PhD thesis “Multiscale dual-continuum modelling of deformable porous media” Congratulations, Dr. Ashworth. Well deserved! Thank you also to Dr Matteo Icardi (University of Nottingham) and Dr Jingsheng Ma (Heriot-Watt University) for scrutinizing his work and Prof Sebastian Geiger for the co-supervision.