Lily and David discuss the AIMS Rwanda doctoral course on problem solving in data science, reflecting on how participants engage with complex simulated datasets. They explore the challenges students face in identifying underlying models, the limitations of relying on AI tools, and the importance of interpretation and human insight in data analysis. The conversation highlights how the course evolves alongside new technologies while continuing to reveal fundamental lessons about working with data.

Lucie and David reflect on key moments from the 20th anniversary celebration of the West Africa Community of Practice (COP), focusing on the activities and discussions that shaped the week. They explore the innovation fair, engagement with policymakers, and participatory sessions reflecting on the past and future of the COP.

Lucie and David reflect on the 20th anniversary celebration of the West Africa Community of Practice (COP) in Niger, focusing on the broader context in which it took place. They discuss the practical and geopolitical challenges of working in the region, the importance of in-person engagement for building trust, and the contrasts between local and international ways of working. The conversation highlights the resilience of the COP and the deeper insights gained from engaging with complex, real-world environments.

Santiago and David discuss the organisation of the 2026 International STACK Conference, marking the first time the event is held outside Europe. They reflect on its expanded format, emphasis on workshops and inclusivity, and the growing global reach of the STACK community. The conversation also highlights capacity building, new collaborations, and the potential for the conference to act as a catalyst for future developments.

George and David explore how the PBDM modelling approach could extend beyond agroecology into public health and epidemiology. They discuss similarities and differences between modelling ecosystems and disease systems, the potential for compositional frameworks to connect models across scales, and the broader opportunity for interdisciplinary collaboration. The conversation highlights both the conceptual challenges and the long-term vision of using more holistic models to inform better public health decisions.

George and David discuss the next phase of work on Physiologically Based Demographic Modelling (PBDM), focusing on efforts to scale its application in agroecological systems in West Africa. They explore the challenges of building and deploying complex ecosystem models, the interdisciplinary collaboration required, and the long-term vision of integrating deterministic models with responsible AI to support decision-making, from policy to smallholder farmers.

Santiago and Kate explore the thinking behind organising the IDEMS podcast as it grows into a substantial body of work. They discuss the development of a microsite, including tagging and filtering systems to help listeners navigate diverse topics, as well as ideas like curated collections and favourite episodes. The conversation reflects on how to balance structure and openness, making the podcast more accessible while preserving its exploratory nature.

Santiago and David explore the gap in open GCSE and iGCSE textbooks, and the opportunity to build curriculum-aligned resources from existing open content. They discuss how tools like PreTeXt can enable “same content, different variants” across exam boards, with interactive technologies like STACK adding further value, and reflect on how current work is putting the structures in place for scalable, adaptable textbooks.

Lucie and David discuss the tension between two of IDEMS’ principles: being “collaborative by nature” and “enabling opportunity” for individuals. They contrast rising Western individualism with more community-focused African contexts where personal sacrifice can support collective coherence. They argue collaboration and individual success aren’t contradictory, citing Italian cooperatives, worker-owned factories, and the importance of compromise and recognising different needs to avoid extractive relationships. Can the same thinking be applied to technologies like AI?

Michele and David discuss humanoid robots, and argue the real question isn’t when they arrive, but how different societies will accept and use them. They push back on framing humanoids mainly as worker replacements, suggesting their biggest impact may be social—especially in contexts like Italy’s aging population and shrinking workforce, where care needs are growing. They explore whether “humanoid” matters at all versus simply being multipurpose and designed to complement human carers rather than replace them.

When does measuring the “wrong” thing produce better results than measuring the “right” one? Lily and David continue the mini-series on Research Methods Support for Climate Resilient Food Systems with a story about proxy variables from West African farmer trials: measuring millet head weight at harvest proved a more reliable proxy for grain yield than weighing separated grain later.