9:-9:05: Dr. Eric Bapteste (UMR ISYEB, CNRS, Paris) « A few welcome words » The current theoretical framework and some of its limits 9:06-9:26: Pr. Annette Baudisch (University of Southern Denmark, DK) «  How to bridge the gap between determined modes of demographical ageing – such as slow and negligible senescence among testudines- and biological ageing affecting organisms?» 9:27-9:47: Dr. Jean-François Lemaître (UMR CNRS 5558, Laboratoire Biométrie et Biologie Évolutive, Université Claude Bernard, Lyon, France) « Open issues associated with sex differences in ageing »   Ageing through the prism of interactions 9:48-10:08: Pr. Dan Franks (Departments of Biology and Computer Science, The University of York, UK) « How social organization affects ageing : the case of post-reproductive female killer whales and beyond. » 10:09-10:29: Dr. Samuel Pavard (MNHN, Paris, France) « What are the connections between the evolution of human ageing and human sociality ? »   10:35-10h55: Pr. Susanne Foitzik (Johannes Gutenberg University Mainz, Germany) «  Parasite-induced lifespan prolongation and its molecular regulation in insects » 10h56-11:16:Pr. Laurent Keller (Social Evolution Unit, Chesières, Switzerland) « Challenges to understand ageing in the light of social structures and kin selection» Alternative models to study ageing 11h17-11h37: Pr. Wolfgang Wagner (Uniklinik RWTH Aachen, Germany) « Can epigenetics govern ageing and how? » 11h38-11h58: Pr. David Gems (Institute of Healthy Ageing, University College London, UK) « Connections between developmental programs and ageing, the notion of quasi-programs and how questioning hallmarks of ageing may help us improve our understanding of ageing »   14h00-14h20: Pr. Joao Pedro de Magalhaes (virtual attendance) (University of Birmingham, UK) « Ageing as a software design flaw and its evolutionary aspects» 14h21-14 :41 : Dr. Michael Rera (Centre de Recherche Interdisciplinaire, INSERM UMR U1284, 75004 Paris, France) « Some thoughts on the debates about the programmed vs non programmed nature of ageing » Organisational complexity and ageing 14h42-15h02: Dr. Yifan Yang (Weizmann Institute of Sciences, Israel) « Latest discoveries about bacterial ageing. » 15h03-15h23: Dr. Chiara Sinigaglia (Observatoire Océanologique de Banyuls, Sorbonne Université, France) « Ageing in Cnidarians. » 15h24-15h44: Dr. Eric Bapteste (UMR ISYEB, CNRS, Paris) « Natural History of Ageing: how old is ageing? »   Microbiome and host ageing 15h50-16h10: Dr. Claudio Franceschi (University of Bologna, Italy) «The evolutionary origin of Inflammaging » 16h11-16h31: Pr. William Ludington (Carnegie Institution for Science, Johns Hopkins University, USA) « Open issues about microbiomes and ageing» Conclusion 16h32-16h52: Dr. Clémence Guillermain (Université de Nantes, France) « What are the (specific) philosophical issues associated with ageing and with ageing studies? »