Hast thou seen Sinnott’s experiment with scary masks and zoo animals? This study makes tell of it: “Perception of Scary Halloween Masks by Zoo Animals and Humans,” Joan M. Sinnott [pictured here], H. Anton Speaker, Laura A. Powell, and Kelly W. Mosteller, International Journal of Comparative Psychology, 25 (2012): 83-96. (Thanks to investigator Neil Martin […]