June 21, 2019
It is a common understanding in scientific research that the male species, in general, are frailer and experience higher rates of mortality across their lifespans than females. Now, there is evidence that among humans the frail male also extends in utero. Ryan Schacht, assistant professor of anthropology at East Carolina University, in new research being […]
August 17, 2016
Contrary to traditional expectations of unbalanced sex ratios, places with more men than women do not typically experience higher rates of family and social instability, according to a University of Utah study. The study by anthropologists Ryan Schacht and Karen Kramer, published August 24 in PLOS ONE, finds instead that surpluses of men are associated […]