Living with relatives offsets the harm caused by pathogens in natural populations by Hanna M Bensch, Emily A O'Connor, Charlie Kinahan Cornwallis

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Resource availability and adjustment of social behaviour influence patterns of inequality and productivity across societies by António M.M. Rodrigues

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The evolution of ageing in cooperative breeders by Jan J. Kreider, Boris H. Kramer, Jan Komdeur, Ido Pen

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Kin-Mediated Male Choice and Alternative Reproductive Tactics in Spider Mites by Peter Schausberger, Yukie Sato

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Genomic discovery and structural dissection of a novel type of polymorphic toxin system in gram-positive bacteria by Huan Li, Yongjun Tan, Dapeng Zhang

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Cooperative interactions among females can lead to even more extraordinary sex ratios by Ryosuke Iritani, Stuart A. West, Jun Abe

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The role of the ecological scaffold in the origin and maintenance of whole-group trait altruism in microbial populations by C. T. Jones, L. Meynell, C. Neto, E. Susko, J. P. Bielawski

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Banking on cooperation: an evolutionary analysis of microfinance loan repayment behaviour by Stefan Gehrig, Alex Mesoudi, Shakti Lamba

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Kin discrimination and the benefit of helping in cooperatively breeding vertebrates. by Griffin, A, West, SA

“…These results suggest a general role for kin selection and that the relative importance of kin selection varies across species, as predicted by Hamilton's rule.…”

Kin and multilevel selection in social evolution: a never-ending controversy? [version 1; referees: 4 approved] by Jos Kramer, Joël Meunier

“…Kin selection and multilevel selection are two major frameworks in evolutionary biology that aim at explaining the evolution of social behaviors. …”
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Siderophore-mediated cooperation and virulence in Pseudomonas aeruginosa. by Buckling, A, Harrison, F, Vos, M, Brockhurst, M, Gardner, A, West, SA, Griffin, A

“…Helping close relatives that are likely to share the same genes (kin selection) is one important explanation that is likely to apply across taxa. …”

EVOLUTIONARY PATHWAYS TO APOSEMATISM by Guilford, T

“…Unprofitability may be favoured by individual selection or kin selection, whilst warning signals may be favoured by individual selection, kin selection, or synergistic selection (with the latter likely to be very important). …”

Kinship and altruism: a cross-cultural experimental study. by Madsen, E, Tunney, R, Fieldman, G, Plotkin, H, Dunbar, R, Richardson, J, McFarland, D

“…Since these research designs fail either to control for confounding variables or to meet the criteria required as a test of Hamilton's rule for kin selection (that the altruist pays a true cost), they fail to establish unequivocally whether kin selection plays a role. …”

The group selection–inclusive fitness equivalence claim: not true and not relevant by Matthijs van Veelen

“…The classical view is that all group selection is kin selection, and that Hamilton's rule works for all models. …”
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The social pattern of macaca fascicularis in coalition support and grooming. by Han, Yongni., Lee, Shi Hui.

“…The occurrence and association between coalition support and grooming in long-tailed macaques were explained via reciprocal altruism and kin selection in this paper. Rowwise matrix correlation were used in all analysis. …”
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Kinship and altruism by Madsen, E, Tunney, R, Fieldman, G, Plotkin, H, Dunbar, R, Richards, J, McFarland, D

“…Since these research designs fail either to control for confounding variables or to meet the criteria required as a test of Hamilton's rule for kin selection (that the altruist pays a true cost), they fail to establish unequivocally whether kin selection plays a role. …”

Testing Hamilton's rule with competition between relatives. by West, SA, Murray, MG, Machado, C, Griffin, A, Herre, E

“…Hamilton's theory of kin selection suggests that individuals should show less aggression, and more altruism, towards closer kin. …”

Sex differences in helping effort reveal the effect of future reproduction on cooperative behaviour in birds by Downing, P, Griffin, A, Cornwallis, C

“…We found that the sex which is more likely to breed in its natal group invests more in helping, suggesting that in addition to kin selection, helping in family groups is shaped by future reproduction.…”

Social semantics: how useful has group selection been? by West, SA, Griffin, A, Gardner, A

“…The last 45 years of research provide clear evidence of the relative use of the kin and group selection approaches. Kin selection methodologies are more tractable, allowing the construction of models that can be applied more easily to specific biological examples, including those chosen by Wilson to illustrate the utility of the group selection approach. …”

The relation between multilocus population genetics and social evolution theory. by Gardner, A, West, SA, Barton, N

“…In doing so, we (1) make explicit the links between the multilocus methodology and the foundations of social evolution theory, namely, Price's theorem and Hamilton's rule; (2) relate the multilocus approach to levels-of-selection and neighbor-modulated-fitness approaches in social evolution; (3) highlight the equivalence between genetical hitchhiking and kin selection; (4) demonstrate that the multilocus methodology allows for social evolutionary analyses involving coevolution of multiple traits and genetical associations between nonrelatives, including individuals of different species; (5) show that this methodology helps solve problems of dynamic sufficiency in social evolution theory; (6) form links between invasion criteria in multilocus systems and Hamilton's rule of kin selection; (7) illustrate the generality and exactness of Hamilton's rule, which has previously been described as an approximate, heuristic result.…”