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Hawkes, Kristen | Human life histories: primate trade-offs, grandmothering socioecology, and the fossil record | Human life histories differ from those of other animals in several striking ways. Recently Smith and Tompkins (1995, p. 258) highlighted the combination of "slow" and "fast" features of human lives. Our period of juvenile dependency is unusually long, our age at first reproduction is late, and we h... | Meat; Maturity; Life Span | 2003 |
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McElreath, Richard | Shared norms and the evolution of ethnic markers | Unlike other primates, human populations are often divided into ethnic groups that have self-ascribed membership and are marked by seemingly arbitrary traits such as distinctive styles of dress or speech (Barth 1969, 1981). The modern understanding that ethnic identities are flexible and ethnic bou... | Ethnic groups; Ethnic identity; Migration; Markers | 2003-02 |