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Harpending, Henry C. | Paternal age and genetic load | The incidence of base substitutions in humans increases with the age of the father, which shows up as an increased incidence of mutational disorders in the children of older fathers. There is a less obvious implication: an extended period of high average paternal age in a population will lead to inc... | 2013-01-01 | |
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Wiessner, Pauline W. | On emergency decisions, egalitarianism, and group selection | Boehm (CA 37:763-93) puts forward an important thesis-that with the evolution of egalitarian societies, privileged routes to reproductive advantage are blocked and the power of individua selection severely compromised. With competition so constrained, altruistic behavior can more readily spread i... | Boehm's mode; Evolution of altruistic behavior | 1998-06 |