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Contact: Lee J. Siegel
lee.siegel@utah.edu
801-581-8993
University of Utah

Alan Rogers, University of Utah

Caption: University of Utah anthropologist Alan Rogers conducted a study that provides new mathematical support for a theory that explains why men often support their sisters' children in cultures where infidelity is common.

Credit: Lee J. Siegel, University of Utah

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Related news release: How infidelity helps nieces and nephews


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