Lars is a visiting MSc student from the University of Muenster (Germany). He will develop and test methodology to estimate natural selection on the extended phenotype, or more generally to estimate the environmental components of individual fitness (in collaboration with Profs. Melanie Dammhahn (Univ. of Muenster, Germany), Tom Tregenza and Rolando Rodriguez-Muñoz (Univ. of Exeter, UK), and Erik Svensson (Lund Univ., Sweden).