A new study builds on prize-winning do-chimps-recognize-buttocks research, adding an upside-down appraisal: “Getting to the Bottom of Face Processing. Species-Specific Inversion Effects for Faces and Behinds in Humans and Chimpanzees (Pan Troglodytes),” Mariska E. Kret and Masaki Tomonaga, PLOS ONE, November 30, 2016. The authors, at Leiden University, the Netherlands, and Kyoto University, Japan, build […]