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A practical training course in computational quantum chemistry was organized from May 26 to 30, 2025 as part of an ERASMUS+ collaboration between the University of Sfax and the University of Namur. This inter-university training course for PhD students in chemistry and physics from the Tunisian University brought together more than 20 students.

Abstract Radiotherapy is a cornerstone of cancer treatment and is currently administered to approximately half of all cancer patients. However, the cytotoxic effects of ionizing radiation on normal tissues represent a major limitation, as they restrict the dose that can be safely delivered to patients and, consequently, reduce the likelihood of effective tumor control. In this context, delivering radiation at ultra-high dose rates (UHDR, > 40 Gy/s) is gaining increasing attention due to its potential to spare healthy tissues surrounding the tumor and to prevent radiation-induced side effects, as compared to conventional dose rates (CONV, on the order of Gy/min).The mechanism underlying this protective effect-termed the FLASH effect-remains elusive, driving intensive research to elucidate the biological processes triggered by this type of irradiation.In vitro models offer a valuable tool to support this research, allowing for the efficient screening of various beam parameters and biological responses in a time- and cost-effective manner. In this study, multicellular tumor spheroids and normal cells were exposed to proton irradiation at UHDR to evaluate its efficacy in controlling tumor growth and its cytotoxic impact on healthy tissues, respectively.We report that UHDR and CONV irradiation induced a comparable growth delay in 3D tumor spheroids, suggesting similar efficacy in tumor control. In normal cells, both dose rates induced similar levels of senescence; however, UHDR irradiation led to lower apoptosis induction at clinically relevant doses and early time points post-irradiation.Taken together, these findings further highlight the potential of UHDR irradiation to modulate the response of normal tissues while maintaining comparable tumor control.JuryProf. Thomas BALLIGAND (UNamur), PresidentProf. Stéphane LUCAS (UNamur), SecretaryProf. Carine MICHIELS (UNamur)Dr Sébastien PENNINCKX (Hôpital Universitaire de Bruxelles)Prof. Cristian FERNANDEZ (University of Bern)Dr Rudi LABARBE (IBA)

In May 2025, the Department of Physics welcomed two special visitors: Serge Mathot and François Briard from Namur, both alumni of UNamur and members of CERN. Several activities were on the program, ranging from a visit to the particle accelerator, to science popularization and thematic seminars, particularly in heritage sciences. The aim? To identify areas or activities in which UNamur and CERN could strengthen their collaboration.

The discovery of nuclear energy marked a turning point in human history. Today, alongside debates about its role in energy production and its destructive potential, nuclear energy continues to be used in a wide range of fields, such as medical research and cancer treatments. At UNamur, nuclear energy is thus at the heart of the work of biologists, physicists, and art historians.

One foot in the past, the other in the future. From Etruscan granulation to PIXE analysis, Serge Mathot has built a unique career, between scientific heritage and particle accelerators. Portrait of a passionate alumnus at the crossroads of disciplines.

The University of Namur and STÛV, a Namur-based company specializing in wood and pellet heating solutions, are celebrating ten years of fruitful collaboration. This partnership illustrates the importance of synergies between academia and industry to improve competitiveness and meet environmental challenges.

At UNamur, parchments are much more than objects of curiosity: they are at the heart of an interdisciplinary scientific adventure. Starting with historical sciences and conservation, the research has gradually incorporated the disciplines of physics, biology, chemistry, and archaeology.  This convergence has given rise to research in heritage sciences, driving innovative projects such as Marine Appart's doctoral work, supervised by Professor Olivier Deparis. This research has now been recognized with a publication in the prestigious journal Heritage Science (Nature Publishing Group).

At UNamur, research is not confined to laboratories. From physics to political science, robotics, biodiversity, law, AI, and health, researchers collaborate daily with numerous stakeholders in society. The goal? Transform ideas into concrete solutions to address current challenges. 

Laura Gagliardi is a renowned international researcher at the University of Chicago, recognized for her pioneering contributions to theoretical and computational chemistry, particularly in the study of reticular materials such as metal–organic frameworks (MOFs). The Solvay/Syensqo Chair in Chemistry honors chemists who have made exceptional advances in their fields. As part of this distinction, Professor Gagliardi delivered a series of lectures at several Belgian universities, including a seminar at the University of Namur, Department of Chemistry.

It's official: the University of Namur joins the Réseau d'Échanges et de Liaisons entre Institutions d'Enseignement Supérieur Francophones (RELIEF). It thus becomes the fourth partner in this network, alongside the Université du Québec à Trois-Rivières (UQTR), the Université Savoie Mont Blanc and the Haute École Spécialisée de Suisse Occidentale (HES-SO).

This is a great reward for the Interuniversity Certificate in Sign Language and French: it has just been distinguished by the European Innovative Teaching Award (EITA) in the "European Language Label" category.