nature and nurture

"The fascinating--and eerily timely--tale of the forgotten Depression-era psychologists who launched the modern science of childhood development"--Amazon.

Explains the scientific discovery that there is a second chemical code on top of regular DNA that has a large influence on health, and discusses how environment and lifestyle directly affect how genes are expressed.

An exploration of nature versus nurture follows the unique case of two sets of identical twins, who, born in Colombia, were separated at birth and improbably reunited as adults.

Explains how researchers are learning more about the genetic and environmental factors that affect human behavior by studying the personalities of identical and fraternal twins reared together and apart.

Explores the ways in which twins enhance our knowledge of human behavior and physical development, while shedding new light on the nature/nurture debate.

Shows that peer groups matter more than parents in determining the kinds of people children will turn out to be.

The author examines evidence that people can increase their reflective intelligence--the ability to reflect upon one's thinking patterns and change them--and discusses implications for business, education, and society.

Tells the story of David Reimer, a child born as a boy, but who, because of an accident during circumcision, was surgically altered to live as a girl; discusses his decision as a teenager to reclaim his life as a male; and considers the thinking of the medical community concerning sex reassignment.