Life in Possum Holler

Saline County, Arkansas, United States
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10 December 2007

Another Way Kinship is Beneficial

What Finnish Grandmothers Reveal about Human Evolution: Scientific American

Biologist Virpi Lummaa's work reveals that humans may be the best subject to study for evolutionary effects across generations
By David Biello

But it seems that grandfathers aren't as biologically helpful to the kinship group.

A study with fascinating conclusions.