12 (4):e0175043.
Skorska, Malvina N., Anthony F. Bogaert. 2015. “Sexual orientation: Biologi cal influences”. International Encyclopedia of the Social & Behavioral Sciences 21:773–778.
Slon, Viviane, Bence Viola, Gabriel Renaud, Marie-Theres Gansauge, Stefano Benazzi, Susanna Sawyer, Jean-Jacques Hublin et al. 2017. “A fourth Denisovan individual”. Science Advances 3: e1700186.
Smith, Richard J., William L. Jungers. 1997. “Body mass in comparative primatology”. Journal of Human Evolution 32:523–559.
Snyder, Timothy. 2010. Bloodlands: Europe Between Hitler and Stalin. New York: Basic Books.
Sober, Elliott, David S. Wilson. 1998. Unto Others: The Evolution and Psycholo gy of Unselfish Behavior. Cambridge, Mass.: Harvard University Press.
Sommer, Volker. 2000. “The holy wars about infanticide: Which side are you on?” In Infanticide by Males and Its Implications, edited by C. P. van Schaik, C. Janson. Cambridge, U. K.: Cambridge University Press, pp. 9–26.
Sorensen, Andrew C. 2017. “On the relationship between climate and Neandertal fire use during the Last Glacial in south-west France”. Quaternary International 436 114–128.
Stamps, J. A., M. Buechner. 1985. “The territorial defense hypothesis and the ecology of insular vertebrates”. Quarterly Review of Biology 60:155–181.
Starks, Philip T. 2003. “Selection for uniformity: Xenophobia and invasion suc cess”. Trends in Ecology and Evolution 18 (4):159–162.
Statham, Mark J., Lyudmila N. Trut, Ben N. Sacks, Anastasiya V. Kharlamova, Irina N. Oskina, Rimma G. Gulevich, Jennifer L. Johnson et al. 2011. “On the origin of a domesticated species: Identifying the parent population of Russian silver foxes (Vulpes vulpes)”. Biological Journal of the Linnean Society 103:168–175.
Stearns, Jason K. 2011. Dancing in the Glory of Monsters: The Collapse of the Congo and the Great War of Africa. New York: PublicAffairs, Perseus.
Stevenson, Robert Louis. 1991 (1886). The Strange Case of Dr. Jekyll and Mr. Hyde. New York: Dover.
Stimpson, Cheryl D., Nicole Barger, Jared P. Taglialatela, Annette Gendron-Fitzpatrick, Patrick R. Hof, William D. Hopkins, Chet C. Sherwood. 2016. “Differential serotonergic innervation of the amygdala in bonobos and chimpanzees”. Social Cognitive and Affective Neuroscience 11 (3):413–422.
Stirrat, Michael, Gert Stulp, Thomas V. Pollet. 2012. “Male facial width is associated with death by contact violence: Narrow-faced males are more likely to die from contact violence”. Evolution and Human Behavior 33:551–556.
Stringer, Chris. 2016. “The origin and evolution of