What studying twins can teach us about oursel...

Many of us share our cities and neighborhoods with animals that lived there before we moved in, such as raccoons, turtles and crows. Suzanne MacDonald, PhD, of York University, discusses why some species thrive in urban environments while others struggle; how city living changes ...  Show more

Whether it’s grumbling about a boss, the weather, or a spouse’s most annoying habit, we all complain. Robin Kowalski, PhD, of Clemson University, discusses why we complain; the difference between venting and complaining to get results; how to complain in a way that doesn’t wear p ...  Show more

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 ...

Nancy Segal is a professor at California State University, an author and one of the most prominent twin-study researchers on the planet. What makes you the person you are? Is it your genetics or your environment? When twins are either accidentally or purposefully separated at bir ...  Show more

Nancy Segal (Deliberately Divided: Inside the Controversial Study of Twins and Triplets Adopted Apart) is an evolutionary psychologist, behavioral geneticist, and author. Nancy joins the Armchair Expert to discuss whether there’s anything predictable about a twin who comes out fi ...  Show more