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This is a fine reward for Professor André Füzfa, astrophysicist in the Department of Mathematics and head of the Astronomical Observatory at UNamur. On November 21, he received the "Coup de Coeur" award from the Trophées de Matière Grise, RTBF's popular science program 2024. These trophies aim to reward the country's scientists, who mobilize to disseminate their knowledge and insights to the general public.

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)

High-Sensitivity Birefringence Mapping Using Near-Circularly Polarized Light I will describe several techniques for mapping a two-dimensional birefringence distribution, which can be classified according to the optical schemes and principles of work:Illumination geometry (transmitted light/reflected light)Image acquisition (sequential acquisition/simultaneous acquisition)Polarization control (electrically controlled variable retardance/mechanical rotation).This classification facilitates a comparative analysis of the capabilities and limitations in these methods for birefringence characterization. Polychromatic polarizing microscopy (PPM) provides unique capabilities to alternative methods. It leverages vector interference to generate vivid, full-spectrum colors at extremely low retardances, down to < 10 nm. PPM is a significant departure from conventional polarizing microscopes that rely on Newton interference, which requires retardances above 400 nm for color formation. Furthermore, PPM's color output directly reflects the orientation of the birefringent material, a feature absent in conventional microscopy where color is solely determined by retardance.Joint seminar of ILEE & NISM!The seminar is open to external people too, no need to register. More info

For several years now, researchers have been striving to make their laboratories "greener". A series of actions have been implemented, funded by the CaNDLE 2023 call for projects have been supported by the Department of Biology at the initiative of Alison Forrester and Frédéric Silvestre, the project leaders, as well as by Campus Infrastructure Management Services (SIGeC) and Prevention Services (SerP). In March 2025, a Green Day was held to provide information on the project's progress, and to motivate people to join the initiative.  

From 2020 to 2025, as part of her doctoral thesis in history, researcher Julie Duchêne conducted a ground-breaking investigation blending history and biology to trace the cohabitation between humans and wolves in Wallonia and Luxembourg, from the 18th to the early 20th century. Thanks to an innovative interdisciplinary approach, including DNA analysis of naturalized 19th-century specimens, her work sheds light on the mechanisms that led to the local extinction of the species. This research was made possible thanks to the support of numerous scientific and cultural partners.

Five years after its inauguration, the Astronomical Observatory of the University of Namur has been enriched by a new set of instruments unique in Belgium: a Schmidt astrograph of the Rowe-Ackermann type, 28 cm in diameter, equipped with a 62-megapixel full-format color camera. These exceptional instruments will offer the public an immersive educational experience unrivalled in the Walloon Region.

The Laboratory of Evolutionary and Adaptive Physiology (LEAP) is directed by Professor Frédéric Silvestre. It is one of 4 laboratories belonging to the Environmental and Evolutionary Biology Research Unit (URBE) within the Biology Department. LEAP is also a member of the Institute of Life, Earth and Environment (ILEE).Research is in the field of integrative, comparative and evolutionary physiology. We aim to study the impacts of environmental changes (pollution, temperature, salinity, etc.) on aquatic organisms at different levels: molecular, physiological, phenotypic.

The Adaptive Biodynamics Laboratory (LAB) is directed by Professor Eli Thoré. It is one of 4 laboratories belonging to the Environmental and Evolutionary Biology Research Unit (URBE) within the Biology Department. The LAB is also a member of the Institute of Life, Earth and Environment (ILEE).

Created in memory of the founder of UNamur's Department of Biology, the Fonds Adrien Bauchau (FAB) has been promoting research excellence in the life sciences since 1989.

The Laboratory of Environmental Ecology of Ecosystems (LEEE) is directed by Professor Frédéric De Laender. It is one of 4 laboratories belonging to the Environmental and Evolutionary Biology Research Unit (URBE) within the Biology Department. The LEEE is also a member of the Institute of Life, Earth and Environment (ILEE).

The Laboratory of Adaptive Evolution and Genomics (LEAG) is directed by Professor Alice Dennis. It is one of 4 laboratories belonging to the Environmental and Evolutionary Biology Research Unit (URBE) within the Biology Department. LEAG is also a member of the Institute of Life, Earth and Environment (ILEE).