1. Is Homosexuality more Prevalent in Agropastoral than in Hunting and Gathering Societies? Evidence from the Standard Cross-Cultural Sample

   • Menelaos Apostolou

   Original Article 27 December 2016 Pages: 91 - 100

2. MHC Homozygosity Is Associated with Fast Sexual Strategies in Women

   • Damian R. Murray
   • Kelly A. Gildersleeve
   • Martie G. Haselton

   Original Article 22 December 2016 Pages: 101 - 117

   

3. Functional Benefits of (Modest) Alcohol Consumption

   • R. I. M. Dunbar
   • Jacques Launay
   • Pádraig MacCarron

   Original Article Open access 28 December 2016 Pages: 118 - 133

   

4. Are Yawns really Contagious? A Critique and Quantification of Yawn Contagion

   • Rohan Kapitány
   • Mark Nielsen

   ORIGINAL ARTICLE Open access 13 February 2017 Pages: 134 - 155

   

5. Acute Physical Stress Modulates the Temporal Expression of Self-Reported Contagious Yawning in Humans

   • Omar Tonsi Eldakar
   • Jaime L. Tartar
   • Andrew C. Gallup

   ORIGINAL ARTICLE 10 February 2017 Pages: 156 - 170

   

6. Sex Differences in the Effects of Psychosocial Stress on Cooperative and Prosocial Behavior: Evidence for ‘Flight or Fight’ in Males and ‘Tend and Befriend’ in Females

   • Nora Nickels
   • Konrad Kubicki
   • Dario Maestripieri

   ORIGINAL ARTICLE 28 February 2017 Pages: 171 - 183