In December 1988, two sets of identical twins became test subjects in a study for which they had never volunteered. It was an experiment that could never be performed in a lab, and had never before been documented. This week, we revisit this fascinating story, told by psychologist Nancy Segal, about the eternal tug between nature and nurture in shaping who w ... Show More
Feb 2021
What studying twins can teach us about ourselves, with Nancy Segal, PhD
From movie plots to ad campaigns to viral videos, if they feature twins, they grab our attention every time. But it’s not only the general public who are fascinated with twins. Over many decades, twins have garnered attention from psychologists and other researchers because of wh ... Show More
27m 7s
Mar 2022
The Twin Episode with Dr. Nancy Segal
<p>Kate and Oliver are joined by Dr. Nancy Segal, a psychologist and Director of the Twin Studies Center at California State University, Fullerton for a fascinating conversation about all things twins. They discuss the science behind twins, nature vs. nurture, stories of twins wh ... Show More
1h 13m
Dec 2018
The Biggest Question: Nature, Nurture or Both?
Does our genetic code matter more than our environments? Join CNN's Chief Medical Correspondent Dr. Sanjay Gupta as he wrestles with the age-old nature-nurture debate. First, Sanjay brushes up on genetics 101 with Dr. Ruth Tennen. Then, he discusses what studying twins can teach ... Show More
31m 21s