# s-behav: like a Shakespearean band of brothers

<< in-group favoritism and out-group prejudice may rest on more ancient origins than has been presumed >>

<< Chimpanzees are like a band of brothers in the Shakespearean spirit of Henry the Fifth's St. Crispin day speech >>

Oxytocin enhances social affiliation in chimpanzee groups. Dec. 27, 2016

http://m.phys.org/news/2016-12-oxytocin-social-affiliation-chimpanzee-groups.html

Liran Samuni, Anna Preis, et al. Oxytocin reactivity during intergroup conflict in wild chimpanzees. Dec. 27, 2016 doi: 10.1073/pnas.1616812114  Jan. 10, 2017 vol. 114 no. 2 268-273

http://m.pnas.org/content/114/2/268.abstract