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Hawkes, Kristen | Grandmother effects, heterogeneity, and the evolution of human aging: guidance from human-chimpanzee comparisons | In the first paper to present formal theory explaining that senescence is a consequence of natural selection, W. D. Hamilton concluded that human postmenopausal longevity results from the contributions of ancestral grandmothers to the reproduction of their relatives. A grandmother hypothesis, subseq... | Evolution of senescence; Heterogeneity of frailty; Human life history; Menopause; Human aging | 2010-01-01 |
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Hawkes, Kristen | Evaluating grandmother effects | Women who have outlived child-bearing have long been described as post-reproductive. But contributions they make to the survival or fertility of their descendants enhance the reproduction of their genes. Consequently natural selection affects this characteristic stage of human life history. Grandmot... | Human life history; Historical demography; Human longevity | 2009-01-01 |
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Hawkes, Kristen | Grandmothers and the evolution of human longevity: a review of findings and future directions | Women and female great apes both continue giving birth into their forties, but not beyond. However humans live much longer than other apes do.[1] Even in hunting and gathering societies, where the mortality rate is high, adult life spans average twice those of chimpanzees, which become decrepit duri... | Life history evolution; Senescence; Cooperative child rearing; Infant psychology; Male-male competition | 2013-01-01 |
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Awasthi, Manu; Nellans, David W.; Sudan, Kshitij; Balasubramonian, Rajeev | ABP : predictor based management of DRAM row buffers | DRAM accesses are costly, especially in multicore systems. Future CMPs will run a mixed load of workloads/threads. Destructive interference at memory controller, spatio-temporal locality lost! DRAM row-buffer hits are least expensive, row-conflicts are most. Randomized memory access patterns re... | 2010-10-06 | |
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Hawkes, Kristen | Increased longevity evolves from grandmothering | Postmenopausal longevity may have evolved in our lineage when ancestral grandmothers subsidized their daughters' fertility by provisioning grandchildren, but the verbal hypothesis has lacked mathematical support until now. Here, we present a formal simulation in which life spans similar to those of ... | Human evolution; Life history; Sexual conflict | 2012-01-01 |
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