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Nature 393, 517-519 (11 June 1998) | doi:10.1038/31102

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Evolutionary biology:  Help and you shall be helped

Régis Ferrière1

How do moral systems evolve? The common view, rooted in game theory (see box, overleaf), is that cooperation and mutual aid require tight partnerships among individuals, or close kinship1.

  1. Régis Ferrière is in the Laboratoire d'Ecologie, CNRS UMR 7625, Ecole Normale Supérieure, 46 rue d'Ulm, 75230 Paris cedex France.
    e-mail: Email: rferrier@hall.snv.jussieu.fr