Do elephants discriminate between (and perhaps against) different human ethnic groups? This study addresses that question: “Elephants Classify Human Ethnic Groups by Odor and Garment Color,” Lucy A. Bates, Katito N. Sayialel, Norah W. Njiraini, Cynthia J. Moss, Joyce H. Poole, Richard W. Byrne, Current Biology, vol. 17, no. 22, November 20, 2007, pp. 1938–1942. […]