Due to unforeseen circumstances, Anette Hoffmann cannot participate for this week's colloquium. Instead Nahas Angula (UNAM), Andrea Rosengarten (North-West University/UNAM), Luregn Lenggenhager (ZASB) will present new insights into the SNF project "Learning for (Ex-)change and Space in Time - insights from a teaching and a research project between Namibia, South Africa and Switzerland".