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Climate disruption: fossils tell us about the past to better understand the future

Today, our planet is undergoing major climatic changes. Particularly in the face of rising temperatures, it is not easy to predict how flora and fauna will react and adapt in disturbed ecosystems. International research, in which Professor Johan Yans' team (Department of Geology and ILEE Institute) is taking part, has found some answers in fossils, which have been the memory of Darwinian evolution for millions of years. Explanations.
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Public defense of doctoral thesis in chemical sciences - Liuxi Yang

JuryDr. Nikolai TUMANOV (UNamur), PresidentProf. Bao-Lian SU (UNamur), SecretaryProf. Yann GARCIA (UCLouvain)Prof. Teng BÊN (Jinhua University)Prof. Guillaume BERIONNI (UNamur)Prof. Alain KRIEF (UNamur)Prof. Alain KRIEF (UNamur)AbstractPorous crystals with structural flexibility are difficult to realize because flexible molecules often rearrange or leave the lattice, leading to pore collapse. Since the early 2000s, it has become clear that combining robust intermolecular interactions with flexible linkers and deformable nodes can stabilize porous crystals during guest removal. Frameworks such as MOFs, COFs, and HOFs benefit from strong noncovalent interactions, yet permanently porous HOFs remain uncommon due to dense molecular packing.Porous organic salts (POSs) offer an alternative strategy, assembling predictable networks from oppositely charged organic ions where electroneutrality and stoichiometry guide structure formation. However, most 3D POSs rely on planar guanidinium or tetrahedral tetraphenylmethane derivatives, resulting in a narrow set of topologies compared with the thousands of 3D nets catalogued in the Reticular Chemistry Structure Resource (RCSR).Here we report triptycene-based ionic frameworks (TIFs) formed via charge-assisted ammonium-sulfonate hydrogen bonding. By tuning triptycene symmetry and functionalization, together with sulfonate linker geometry, we generated diverse supramolecular architectures with tailored porosity, stability, and function.
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Public defense of doctoral thesis in chemical sciences - Jenny Ha

JuryProf. Guillaume BERIONNI (UNamur), PresidentProf. Stéphane VINCENT (UNamur), SecretaryProf. Carmen GALAN (University of Bristol)Dr. Louis FENSTERBANK (Collège de France)Prof. Raphaël ROBIETTE (Université catholique de Louvain)AbstractCarboxylic acids are ubiquitous in nature and inexpensive compounds. Decarboxylation has become a key chemical transformation and has been widely reported in organic chemistry except for carbohydrates. This reaction can be catalyzed by transition metal and can also be induced by light, thermal activation, or photocatalysis. Borylated compounds have stimulated the pharmaceutical industry's interest (Boromycin, Bortezomib or boron neutron capture therapy). Recent methodologies have been developed to transform carboxylic acids to boronate esters by metal-catalyzed or light-promoted or photocatalyzed reactions. In this thesis, we explored the synthesis of borylated carbohydrates through a decarboxylation pathway. More specifically, sialic acids being among the most important carbohydrates in glycobiology, we addressed the problem of the synthesis of borylated sialic acids. On the other hand, organophosphates play an important role in diverse fields: in materials chemistry, in agriculture, in organic chemistry, and in biochemistry. Phosphorylation is a key reaction in biological processes such as signal transduction and cell activity regulation. The formation of phosphorylated carbohydrates has been widely described through two-electron mechanisms. However, radical phosphorylation of carbohydrates remains unexplored. This Ph.D. thesis describes the development of new methodologies for the decarboxylative functionalization of carbohydrates, focusing on borylation and phosphorylation..
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35 years between two accelerators - Serge Mathot's journey, or the art of welding history to physics

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.
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Current affairs with Act’UNamur

On February 26, the Adam Smith amphitheater hosted the first major edition of Act'UNamur, a quiz on current events in 2025 organized by the Department of Social Sciences, Politics, and Communication at the EMCP Faculty. The goal? To spark students' interest in current events through a unique and fun format.
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GRAJU: UNamur Joins a New Global Alliance of Jesuit Universities

A delegation from the University of Namur traveled to the Philippines in March 2026 for the inaugural symposium of the Global Research Alliance of Jesuit Universities (GRAJU). As a founding member of this new international alliance, UNamur participated in this event, which marks the official launch of a global network of Jesuit universities committed to research addressing major societal challenges.
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Phoenix Capital sponsors research in synthetic organic chemistry

At the Organic Chemistry Unit (UCO) of the Chemistry Department at UNamur, researchers study organic molecules with high added value.  Lionel-Marie Van Geesbergen has just started a doctoral thesis under the supervision of Professor Steve Lanners.  After only a month and a half of investigation, the PhD student already has a proof of concept.  A very promising research project with numerous potential applications! 
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Is creativity an essential skill for the future? New programs are being added to the curriculum starting this fall!

Experts highlight creativity as an essential skill for tomorrow’s decision-makers in an era of widespread AI adoption. At the same time, the cultural and creative industries represent a rapidly growing sector. To keep pace with these developments, two new tracks will be introduced into the Information and Communication and Management Engineering programs starting next fall. Focus on the expected changes in the Faculty of Economics, Management, Communication, and Political Science (EMCP).
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Public defense of doctoral thesis in Veterinary Medicine - Pierre Hostyn

Abstract Since its emergence in 1996, the Asian H5 Goose/Guangdong (Gs/Gd) lineage has circulated widely in poultry in southern China, spilling over to wild birds by 2002. Wild bird infections facilitated global dissemination via migratory waterfowl and repeated spillback into poultry, challenging the view that HPAI primarily arises from LPAI mutation. Subclade 2.3.4.4b emerged in Asia in 2013, reached Europe in 2016, caused recurrent epizootics, diversified into multiple genotypes, became dominant in wild birds, and shows zoonotic potential.This thesis investigates critical knowledge gaps regarding H5Nx subclade 2.3.4.4b in poultry: (1) early within-flock spread after punctual introduction in chickens, particularly during the first European epizootics; (2) influence of pre-existing immunity on silent circulation; (3) limitations in diagnostic throughput during epizootic peaks; (4) potential of environmental surveillance, including air and dust sampling; and (5) impact on egg contamination and the reproductive tract, relevant for food safety and zoonotic risk.Four main objectives were addressed: (1) development of an experimental model simulating punctual introductions and spread, comparing 2017 and 2020 strains and assessing pre-existing immunity; (2) enhancement of diagnostic capacity via alternative sampling, semi-automated RNA extraction, and high-throughput processing; (3) evaluation of air and dust sampling for virus monitoring under experimental and field conditions; and (4) assessment of egg contamination risk. Alternative sampling and environmental monitoring were also applied to Newcastle disease virus as a comparative notifiable pathogen. Jury Prof. Catherine LINARD (UNamur), ChairProf. Benoît MUYLKENS (UNamur), SecretaryDr. Damien COUPEAU (UNamur)Dr. Jean-Luc GUÉRIN (INRAE & ENVT)Dr. Cyril BARBEZANGE (ECDC)Dr. Steven VAN BORM (Sciensano)Dr. Mieke STEENSELS (Sciensano)Dr. Bénédicte LAMBRECHT (Sciensano)
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Plants against steatotic liver disease, a HEPATANT project!

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? To transform ideas into concrete solutions to address current challenges. 
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Public defense of doctoral thesis in geography and biology: Setondé Constant Gnansounou

JuryProf. Nicolas DENDONCKER (UNamur), ChairProf. Sabine HENRY (UNamur), SecretaryProf. Frédéric SILVESTRE (UNamur)Dr. Sébastien DUJARDIN (UNamur)Prof. Kara PELLOWE (Stockholm University)Prof. Romain GLELE KAKAI (University of Abomey Calavi)Prof. Patrick KESTEMONT (UNamur)Prof. Eli THORE (UNamur)AbstractMangroves play an important role in environmental conservation and livelihood provision yet remain one of the most threatened ecosystems on earth. This doctoral study assesses pathways to enhance coastal sustainability in the Anthropocene, by promoting the sustainable use of mangroves and strengthening their social-ecological resilience through an interdisciplinary approach. The thesis is structured into four specific objectives: assessing the role of traditional beliefs and local deities in promoting the sustainable use of mangroves, analyzing the synergies between legal frameworks and traditional beliefs in enhancing the social-ecological resilience of mangroves, developing a novel interdisciplinary framework to evaluate the social-ecological resilience of mangroves, and operationalizing the proposed framework in Benin's mangroves, West Africa.  We collected field data using ethnobiological surveys, drone image analysis and document review, in-depth interviews, focus group discussions, plant and fish inventories across three coastal communities in Benin. The study draws insights from the seven principles of resilience to analyze mangrove sustainability. The interdisciplinary methodology of this study links plant biology, fisheries sciences, and human geography to analyze mangroves as complex social-ecological systems. Findings of the thesis show that traditional beliefs and local deities play a significant role in regulating the use of mangrove resources, while the overlapping of formal and informal institutions offer opportunities to enhance their social-ecological resilience. The novel proposed framework called Mangrove Social Ecological Resilience Appraisal (MaSERA) outlines variables and indicators tailored to mangroves to assess their social-ecological resilience. Its application in Benin highlights its potential in identifying factors that enable or erode mangrove resilience, for informed decision making. The study argues that promoting the sustainable use of mangroves and enhancing their social-ecological resilience represent dual imperatives for achieving coastal sustainability in the Anthropocene. It contributes to the growing body of knowledge on mangrove conservation and provides actionable insights for integrated coastal zone management.
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Lucas Chancel: What kind of ecological transition for what kind of society?

Description Why is the history of energy so closely linked to that of social inequality? How can we frame debates on energy transition in light of conflicts over wealth distribution?For thousands of years, the use of energy has shaped human societies, structuring their hierarchies and power relations. Its control is a vehicle for emancipation as much as it is a tool of domination. Ownership of energy resources and infrastructure is a battleground for social, political, and geostrategic struggles. Depending on who owns energy, radically different societal choices can arise.But how has the link between energy and inequality developed since prehistoric times? By combining the results of research in economic history, archaeology, and climate science, Lucas Chancel seeks to show how, over the long term, the technical and political frameworks that determine energy use are linked to the distribution of wealth among individuals, social groups, and nations.The history of energy cannot be reduced to its technical dimension, nor to the sum of past political choices. It opens up a diversity of possible futures, where the decoupling of energy consumption, material resources, and prosperity is inseparable from the question of social justice.This book advocates for an ecological transition based on a collective reappropriation of energy. Drawing on experiences of wealth redistribution from the past century, it outlines an alternative to ecological disaster and extreme inequality through the development of new forms of public and participatory ownership in the 21st century. Biography Lucas Chancel is a professor at Sciences Po Paris, at the Center for Research on Social Inequality, and co-director of the Laboratory on Global Inequality at the Paris School of Economics. He has taught at Harvard University in the United States.
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