Citation:
Henrich, Joseph, Robert Boyd, Maxime Derex, Michelle A. Kline, Alex Mesoudi, Michael Muthukrishna, Adam T. Powell, Stephen J. Shennan, and Mark G. Thomas. “Understanding cumulative cultural evolution.” Proc. Natl. Acad. Sci. 113, no. 44 (2016): E6724-E6725.