*  Cannibalism in the American southwest: http://www.nature.com/nature/fow/000907.html; Richard A. Marlar, Leonard L. Banks, Brian R. Billman, Patricia M. Lambert, and Jennifer Marlar, “Biochemical evidence of cannibalism at a prehistoric Puebloan site in southwestern Colorado, Nature 407, 74078 (7 Sept. 2000). Among Celts in England: http://www.bris.ac.uk/Depts/Info-Office/news/archive/cannibal.htm. Among Neanderthals: http://news.bbc.co.uk/1/hi/sci/tech/462048.stm; same issue, Jared M. Diamond, “Archeology, talk of cannibalism” (“Incontrovertible evidence of cannibalism has been found at a 900-year-old site in the southwestern United States. Why do horrified critics deny that many societies have found cannibalism acceptable?”).