Evolution and the Psychology of Intergroup Conflict:The Male Warrior Hypothesis
McDonald, M. M., Navarrete, C. D., & Van Vugt, M. (2012). Evolution and the Psychology of Intergroup Conflict: The Male Warrior Hypothesis.
Philosophical Transactions of the Royal Society-Biological Sciences, vol. 367 no. 1589 670-679; doi: 10.1098/rstb.2011.0301
Social Laughter is Correlated With An Elevated Pain Threshold
Dunbar, R, Baron, R., Frangou, A., Pearce, E., van leeuwen, E., Stow, J., Partridge, G., Macdonald, I., Barra, V., & van Vugt, M (2011). Social laughter is correlated with an elevated pain trhreshold. Proceedings of the Royal Society-B doi: 10.1098/rspb.2011.1373