The Minnesota Study of Twins Reared Apart startled scientists by demonstrating that twins reared apart are as alike, across a number of personality traits and o
The identical “Jim twins” were raised in separate families and met for the first time at age thirty-nine, only to discover that they both suffered tension h
A leading expert on twins delves into the stories behind her research to reveal the profound joys and real-life traumas of 12 remarkable sets of twins, triplets
A 2022 Choice Reviews Outstanding Academic Title Takes the first in-depth look at the New York City adoption agency that separated twins and triplets in the 196
"A unique window into human behavior and development." —Steven Pinker The riveting story of two sets of identical twins separated at birth and improbably reun