Wikipedia

You have to conduct a war according to law, and I'm a firm believer that the only way that you ever create peace is by behaving in just ways, and justice is fundamental to all of this.

Michael Bang Petersen wrote about the evolutionary psychology of Mass Politics.

“Michael Bang Petersen. The evolutionary psychology of Mass Politics. In Roberts, S. C. (2011). Roberts, S. Craig (ed.). Applied Evolutionary Psychology. Oxford University Press.”

Alford, Funk, and Hibbing published "Are Political Orientations Genetically Transmitted?" in American Political Science Review.

“Alford, J. R.; Funk, C. L.; Hibbing, J. R. (2005). "Are Political Orientations Genetically Transmitted?". American Political Science Review. 99 (2): 153–167.”

Benedict Carey wrote "Some Politics May Be Etched in the Genes" in The New York Times.

“Carey, Benedict (21 June 2005). "Some Politics May Be Etched in the Genes". The New York Times.”

Vigil et al. published "Political leanings vary with facial expression processing and psychosocial functioning" in Group Processes & Intergroup Relations.

“J. Vigil; et al. (2010). "Political leanings vary with facial expression processing and psychosocial functioning". Group Processes & Intergroup Relations. 13 (5): 547–558.”

Psych Central published an article titled "Brains of Liberals, Conservatives May Work Differently".

“Psych Central. 20 October 2007. "Brains of Liberals, Conservatives May Work Differently".”

Inbar et al. published "Conservatives are more easily disgusted than liberals" in Cognition and Emotion.

“Y. Inbar; et al. (2008). "Conservatives are more easily disgusted than liberals" (PDF). Cognition and Emotion. 23 (4): 714–725.”

Kanai et al. published "Political Orientations Are Correlated with Brain Structure in Young Adults" in Curr Biol.

“R. Kanai; et al. (5 April 2011). "Political Orientations Are Correlated with Brain Structure in Young Adults". Curr Biol. 21 (8): 677–80.”

Buchen published "Biology and ideology: The anatomy of politics" in Nature.

“Buchen, Lizzie (25 October 2012). "Biology and ideology: The anatomy of politics". Nature. 490 (7421): 466–468.”

Jost and Amodio published "Political ideology as motivated social cognition: Behavioral and neuroscientific evidence" in Motivation and Emotion.

“Jost, John T.; Amodio, David M. (13 November 2011). "Political ideology as motivated social cognition: Behavioral and neuroscientific evidence" (PDF). Motivation and Emotion. 36 (1): 55–64.”

Sulakshin published "A Quantitative Political Spectrum and Forecasting of Social Evolution" in the International Journal of Interdisciplinary Social Sciences.

“Sulakshin, S. (2010). "A Quantitative Political Spectrum and Forecasting of Social Evolution". International Journal of Interdisciplinary Social Sciences. 5 (4): 55–66.”

The Economist published an article titled "The new political divide".

“The Economist. 30 July 2016. "The new political divide".”

James Pethokoukis wrote "The Closed Party vs. the Open Party".

“Pethokoukis, James (1 July 2016). "The Closed Party vs. the Open Party". American Enterprise Institute.”

Vice published an article titled "The Frozen Father of Modern Transhumanism".

“Vice. 14 October 2015. "The Frozen Father of Modern Transhumanism".”

Mitchell, Brian Patrick (2007). Eight ways to run the country: a new and revealing look at left and right. Greenwood Publishing. ISBN 978-0-275-99358-0.

“Mitchell, Brian Patrick (2007). Eight ways to run the country: a new and revealing look at left and right. Greenwood Publishing. ISBN 978-0-275-99358-0.”

Rokeach, Milton (1973). The nature of human values. Free Press.

“Rokeach, Milton (1973). The nature of human values. Free Press.”

Ray JJ (1973) Factor analysis and attitude scales. The Australian and New Zealand Journal of Sociology 9(3):11–12.

“Ray JJ (1973) Factor analysis and attitude scales. The Australian and New Zealand Journal of Sociology 9(3):11–12.”

In Schubert, Glendon A.; Danelski, David Joseph (eds.). Comparative judicial behavior: cross-cultural studies of political decision-making in the East and West. Oxford University Press. ISBN 978-0-19-631779-3.

“In Schubert, Glendon A.; Danelski, David Joseph (eds.). Comparative judicial behavior: cross-cultural studies of political decision-making in the East and West. Oxford University Press. ISBN 978-0-19-631779-3.”

In general, conservatives are more likely to report larger social networks, more happiness and better self-esteem than liberals.

“In general, conservatives are more likely to report larger social networks, more happiness and better self-esteem than liberals.”

Linking biology to politics remain controversial and unreplicated although the overall body of evidence is growing.