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"Since the emergence of Western philosophy and science among the Classical Greeks, debates have raged over the relative significance of biology and culture on an individuals behavior. Today, recent advances in genetics and biological science have pushed many scholars past the tired nature versus nurture debate to examine the various ways in which the natural and the social interact to influence human behavior. This brings a fresh approach to this emerging perspective. Rather than try to solve these issues universally, the text demonstrates that both social and biological mechanisms have varying degrees of influence in different situations. Through case studies of human universals such as incest aversion, fear, appetite, grief, and sex, the book first discusses the extreme instances in which biology determines behavior, in which culture dominates, and in which culture overrides basic biological instincts. It then details the variety of ways in which genes and environments interact-for instance, the primal drive to eat and store calories when food supplies were scarce and behavioral patterns in a society in which food is abundant and obesity is stigmatized. Now that it is often easier to change our biology rather than our culture, an understanding of which behaviors and traits are simply normal or abnormal, and which are pathological or necessitate treatment, is more important than ever."

"Written by James R. Flynn of the "Flynn effect" (the sustained and substantial increase in intelligence test scores across the world over many decades), Intelligence and Human Progress examines genes and human achievement in all aspects, including what genes allow and forbid in terms of personal life history, the cognitive progress of humanity, the moral progress of humanity, and the cross-fertilization of the two.This book presents a new method for weighing family influences versus genes in the cognitive abilities of individuals, and counters the arguments of those who dismiss gains in IQ as true cognitive gains. It ranges over topics including: how family can handicap those taking the SAT, new IQ thresholds for occupations that show elite occupations are within reach of the average American, what Pol Pot did to the genetic potential of Cambodia, why dysgenics (the deterioration of human genes over the generations) is important, but no menace for the foreseeable future, and what might derail human intellectual progress."