The next talk in the Cognitive Development Center seminar series at the CEU will be given by Christophe Heintz (Konrad Lorenz Institute for Evolution and Cognition Research, Austria) Title: A case of content-based transmission bias in the history of mathematics: Mental and social mechanisms at work in the evolution of a mathematical concept Date and time: Wednesday, 14 January 2009, 5.30 pm CEU Philosophy Department Room 412, 14 Zrinyi u., 1051 Budapest Everyone is welcome to attend. --- Gergely Csibra