The IDEMS Podcast
Stories from a social enterprise that uses mathematical sciences in impact-oriented work around the world. Our experiences range from helping some of the world's poorest farmers get value from data, to enabling academics to use AI responsibly in their teaching. We never know what our next task will be but the last 6 years have shown that it is likely to lead to a story.
171 – Building a Local Research Methods Support Team

Lucie and David discuss the recent progress and training in building a research methods support team in West Africa. The conversation highlights their efforts in providing various trainings, and the development of local teams capable of delivering these trainings. They also emphasize the importance of reflective learning reports, local capacity building, and moving towards more engaging pedagogical methods through a gradual, patient approach, aiming for sustained growth and effective collaboration.
170 – Marketing IDEMS: From R&D to Products

In this episode, George and Kate discuss the challenge of transforming deep R&D into tangible products. They explore the balance between simplicity and complexity, the need for early market validation, and the difficulty of securing private investment for ambitious long-term goals. The conversation touches on the unique product and funding strategies for social enterprises and highlights how IDEMS navigates these challenges while emphasizing the importance of impact over profit.
169 – Marketing IDEMS: The Website Redesign

In this episode Johnny and Kate discuss the intricacies of marketing IDEMS, emphasizing the challenges of presenting its diverse and impactful work. They highlight the importance of a well-structured website, balancing in-depth technical information with user-friendly content, and the need to showcase successes without overshadowing their collaborative nature. They also touch on the evolution of IDEMS’ marketing strategy, the role of design, and the aim to create a cohesive narrative that resonates with both experts and laypersons.
168 – Collecting Data for Community Research

Kate Fleming and Lucie Hazelgrove Planel discuss the complexities of collecting sensitive data from communities, emphasizing the importance of building trust and ensuring the data serves the community's interests. The conversation touches on various examples, including work with West African farmers, stressing the need for sustainable, community-focused research models.
167 – “Moral Ambition” by Rutger Bregman

IDEMS Directors David Stern and Kate discuss the concept of “moral ambition”, prompted by the recent book by Rutger Bregman of the same name. David and Kate reflect on their own career paths, the societal expectations of younger generations, and the challenges they faced while carving out meaningful careers. They explore the interconnectedness of education, entrepreneurial spirit, and moral ambition while critiquing the simplistic hero narrative prevalent in startup culture.
166 – Solarpunk and Positive Visions of the Future

It feels like we’re surrounded by dystopian visions of the future. But what might a future look like where humanity, technology and nature harmoniously coexist? In this episode, Johnny McQuade and David Stern explore the concept of “Solarpunk”, a science fiction aesthetic that tries to envision exactly this. The conversation touches upon agroecology, renewable energy, and sustainable technology, as well as the role of global supply chains, the differences in technology innovation emerging from Africa vs elsewhere, and the challenges of balancing urban and rural food systems.
165 – Systemic Change

In this episode, Lily Clements talks to David Stern about how IDEMS aims to bring about systemic change. Key examples include work with National Met Offices in Zambia and Malawi to make climate data accessible and impactful, and digital interventions in parenting programs to reduce violence against children in Tanzania.
164 – Further Reflections on the ICMS Workshop

Lucie and Kate discuss their experiences at a workshop for PhD and postdoctoral mathematicians at the International Center for Mathematical Sciences in Edinburgh. They reflect on the challenges of entering socially impactful careers for mathematicians can be, the sense of community the workshop fostered, and the importance of transdisciplinary collaboration.
163 – Rethinking Statistics Education

Lily Clements and David Stern explore the future of statistics education through the lens of George Cobb's influential 2015 paper, “Mere Renovation is Too Little Too Late: We Need to Rethink Our Undergraduate Curriculum from the Ground Up”. They discuss key imperatives from Cobb's work, such as flattening prerequisites, seeking depth, embracing computation, exploiting context, and teaching through research.
162 – The Origins of the Food Innovation Centres in West Africa

In this episode, Lucie discussed with Moustapha Moussa and Gabriela Bucini The Origins of the Food Innovation Centres in West Africa. Moustapha tells the story of how these were started, sharing the challenges faced, exposing the courage needed for this innovation, and the successes, focusing on the beautiful social development of farmer communities.
161 – Tool Agnosticism in Modern Education

George Simmons and David Stern discuss the development of educational courses with a focus on tool agnosticism, particularly in their collaboration with the Open University of Kenya for their Msc in Mathematical Innovation course. They explore the challenges and benefits of assessing student work without being tied to specific tools, and highlight the importance of good question design in ensuring conceptual understanding. They consider the evolving nature of technology in education and the increasing role of AI, emphasising the need for students to adapt to multiple tools rather than mastering just one.
160 – Developing Modeling Courses for the Maths Innovations MSc

In this episode, George interviews David, discussing the development of an 'Introduction to Systems Modeling' course in collaboration with the Open University of Kenya. They explore balancing theoretical and practical approaches to enhance postgraduate students' modeling skills and emphasize the value of collaboration and iteration in course development.
159 – Innovative MSc Programme for Maths Teachers in Kenya, Part 4

David Stern is joined by Lily Clements and James Musyoka to discuss the Kenyan MSc program in Maths Innovation. By focusing on data rather than just methods, the program aims to foster a culture of informed decision-making and data literacy in Kenya. They emphasise the importance of contextualising AI and data science education to cater to local needs and challenges.
158 – Innovative MSc Programme for Maths Teachers in Kenya, Part 3

David and Mike Obiero continue their discussion on the Mathematics Innovations MSc program focusing on the textbook project and how it relates to it. Mike presents his vision on how a community of teachers and educators can be built to create open educational resources of mathematics, and in particular to an interactive, contextualisable open electronic textbook with potential for positive impact in secondary education and beyond.
157 – Innovative MSc Programme for Maths Teachers in Kenya, Part 2

David Stern and Mike Obiero continue their discussion of the MSc in Math Innovation program. The program's three major pathways – educational innovation, mathematics, and data and AI – are designed to fill specific gaps and cater to diverse interests. They highlight the flexibility of the program and its suitability for both local and international contexts, emphasising its potential for broad impact and collaboration.
156 – Innovative MSc Programme for Maths Teachers in Kenya, Part 1

David welcomes Mike Obiero back to the podcast, president of the Kenyan Maths Society and lecturer at Maseno University. They discuss a new, flexible MSc programme targeted at mathematics teachers in Kenya. The aim is to empower teachers, provide practical skills, and leverage the rich history of mathematics education in Kenya to produce the next generation of math educators and innovators.
155 – Agroecological Possibilities of Solar Panels

Lucie Hazelgrove Planel and David Stern discuss an intriguing study on the ecological benefits of solar panels in desert regions. They discuss how solar panels can increase biodiversity by providing shade, reduce desertification, and potentially convert unproductive desert land into valuable solar farms that generate electricity and support agricultural activities, helping to create sustainable oases in deserts worldwide.
154 – Fuma Gaskyia and Human Urine Fertiliser

David Stern interviews Ali Maman Aminou from Niger about his work with Fuma Gaskiya, a farmer federation. They discuss the federation's origins, its growth from around 5,000 to over 21,000 members, including 55% women, and its significant achievements. Aminou shares how Fuma Gaskiya managed a research grant, tackled data collection challenges, and demonstrated the efficacy of using human urine (referred to as “oga”) as fertilizer. They reflect on shifting power dynamics in research, the development of a farmer-owned data collection app, and how these efforts have elevated the federation's standing as respected research partners.
153 – Paving the Road for Biological Pest Control in Niger

In this episode, David chats with Laouali from the Sahel IPM team about his inspiring journey in biological pest control. Laouali shares his experiences from starting with the GIMEM project, mentoring students, expanding pest management techniques, and his aspirations for safer, organic agriculture in Niger.
152 – Types of Graphs

In this episode, Lily and David explore different types of graphs and their uses in data visualization. They discuss how to categorize visualizations for quick data checks, detailed interpretation, and effective presentations, emphasizing the importance of tailoring graphs to the audience.
151 – Data Variability

Data scientists Lily Clements and David Stern discuss the concept of variability in data analysis. They explore different types of variability, particularly in the context of using ANOVA (Analysis of Variance) to analyse data variability. Considering practical examples from agriculture, they consider the complexity of distinguishing between natural and unaccounted-for variability.
150 – Building Impactful Teams in West Africa

In this episode, David interviews Professor Baoua on the journey of creating a robust research team in West Africa, making the most of limited resources and supported by the McKnight Foundation. Through a student-centered pyramid structure, he achieved significant innovations taking advantage of local resources, considering multidisciplinary collaboration and sustainability.
149 – Battling Millet Head Miners in Niger

In this episode, David interviews Prof. Baoua about his remarkable 20-year effort to combat the millet head miner in the Sahel. He recounts how he developed a biological control method using a natural enemy, habrobracon hebetor, and empowered local farmers to deploy it. Supported by the McKnight Foundation, their project scaled to protect over 1.5 million hectares, transforming regional agriculture and turning a pest crisis into a sustainable solution.
148 – Transforming Research through Community Collaboration

In this episode, David talks with Dr Moustapha Moussa from Niger about empowering local farmers through agroecological practices. The discussion focuses on integrating local knowledge with scientific research, emphasizing patience and shifting power to local communities. This approach has led to effective scalability and impactful research results.
147 – Cultivating Change: Local Solutions for Nutrition

In this episode, David speaks with Dr Moustapha Moussa from Niger about his award-winning work in integrating cultural heritage and agroecology to fight malnutrition. Highlights include reviving over 40 traditional nutrient-rich dishes, community engagement, and the positive impact on local health and nutrition despite recent political challenges.
146 – Reflections on the CRFS Leadership Meeting 2025

Lucie interviews David about his recent CRFS leadership meeting participation. They discuss the strategies and regional focuses of the Global CRFS, the significance of bringing together varied projects, and the importance of synergy between local and global agroecology efforts.
145 – Problematising what it means to ‘help communities’

Following a comment by Lucie that she wanted to ‘help communities do what they want to do’, Kate and Lucie dig into the complexities of the reality of this.
144 – Who can be activated for impact?

In this episode, George and David explore the concept of impact activation for mathematical scientists. They discuss how PhD holders in math-related fields can transition into diverse areas, adding unique value to social impact projects. The conversation highlights key traits like deep focus, resilience, pattern recognition, and abstraction skills that make mathematical scientists ideal for such roles. Emphasis is placed on the importance of collaboration.
143 – The Impact Activation Book

In this episode, George and David discuss 'impact activation', a concept aimed at leveraging mathematical expertise for social good. Following a workshop at the International Center for Mathematical Sciences in Edinburgh, they envision turning their insights into a comprehensive book. This book will detail personal stories, impactful case studies, and the theoretical underpinnings of impact activation.
142 – Reflections on Impact Activation Workshop at ICMS Edinburgh, Part 2

In this episode, David, George, and Lily recap their recent ICMS workshop, focusing on 'impact activation'. They discuss three career pathways: pursuing social impact as a hobby, integrating it into academic roles, or taking a significant leap into social-focused careers. They share insights from participants, noting the importance of personal definitions and the value of fostering supportive networks to facilitate impactful work.
141 – Reflections on Impact Activation Workshop at ICMS Edinburgh, Part 1

David, Lily and George reflect on their recent workshop at the International Center for Mathematical Sciences (ICMS) in Edinburgh, which focused on impact activation. They discuss the organisation and effectiveness of the workshop's model, which involved rapid preparation, flexible session plans, and ample reflection. They also share insights from their interactions with a diverse group of participants and the transferable skills within mathematical sciences.
140 – Electronic Maths Textbooks in Kenya

In this episode, David speaks with Zachary Mbasu, the director of INODEMS in Kenya, about their collaborative efforts in developing new maths textbooks tailored for the competency-based curriculum currently being implemented in Kenya. The discussion highlights the challenges of the new curriculum and the use of technologies such as PreText and STACK to offer interactive and personalised learning experiences for students. They consider the significance of contextualised learning tools and the ongoing work for creating open textbooks that address the specific needs of different student populations.
139 – Scaling the Maths Camps

In this episode David and Zach discuss the exciting work with scaling the math camps in Kenya. These camps, designed to engage all students, not just the math enthusiasts, are changing how young people view mathematics. They share inspiring stories of students who discovered a passion for math through these unconventional and interactive camps. They suggest how the Virtual Maths Camp innovation enabled large-scale participation and empowered teachers to keep the momentum going after camps.
138 – AI in International Development, Part 2

Lily Clements and David Stern continue their discussion on the role of AI in international development, focusing on the evolution of AI in education, particularly in low-resource environments. From providing automated feedback on assessments to supporting personal tutors, they stress the importance of collaboration in building effective feedback systems and consider how AI can enhance rather than replace human interactions in education.
137 – AI in International Development, Part 1

Lily Clements and David Stern discuss the intersection of AI and international development, particularly in low-resource environments. David reflects on the critical, yet often overlooked, role AI could play in aiding smallholder farmers in regions like West Africa. They consider the potential of open-source AI, the ethical issues around commercially driven AI apps, and the significant yet underutilised impact of established AI technologies on international development.
136 – A Role of Technology in Education

In this episode, Santiago Borio and David Stern explore how technology can better support teachers and improve student interactions. They share personal stories, discuss the challenges of providing personalized feedback, and highlight innovative tools and techniques. The episode offers insights into making classrooms more engaging and effective through technology, with perspectives from educational contexts in Argentina and Tanzania.
135 – Resource Constraints and Technological Innovation

In this episode, co-founding director David Stern is joined by Johnny McQuade, a software developer at IDEMS, for his first discussion on the show. Prompted by recent advancements in AI technology from Chinese company DeepSeek, they consider the impact of resource limitations on technological development, within the field of AI and more generally. They consider how IDEMS’ approach of building technology for low-resource environments has the potential for global benefits in terms of innovation, efficiency, and sustainability in technology, linking this to the UN’s Sustainable Development Goals.
134 – Introducing Michael Obiero: Rethinking Maths Textbooks

David Stern talks to Dr. Michael Obiero from Maseno University about their inspiring joint initiatives in educational reform. They delve into the challenges and achievements in developing digital, competency-based mathematics textbooks aimed at the Kenyan education system. Michael shares insights on the innovative methods deployed by the interns working on this project, the integration of various educational tools, and how this effort is expected to transform mathematics education in Kenya and potentially other countries too.
133 – Schooling and Alternative Education Systems

Santiago Borio, currently working as a maths teacher in Argentina, talks to David Stern about the differences between traditional schooling and other forms of education. They explore the potential downsides of compulsory schooling on rural and traditional communities, the distinction between education and schooling, and the societal impact of standardised education.
132 – Paris AI Action Summit

In this episode, data scientist Lily Clements and co-founding director David Stern discuss the AI Summit held in France in February 2025. The newly released declaration, signed by over 60 nations, promotes inclusive, sustainable, and responsible AI practices. They consider how, despite the notable absence of the UK and US, the declaration signals a potential shift towards societal benefit over commercial interest in AI development.