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Together with Klaus Zuberbühler (Neuchâtel and St Andrews), department members Simon Townsend, Sabrina Engesser, Sabine Stoll and Balthasar Bickel published an essay on "Compositionality in animals and humans” in PLoS Biology (http://journals.plos.org/plosbiology/article?id=10.1371/journal.pbio.2006425)