Based on DNA Testing, Only One Twin Was Grant...

Michael Shermer speaks with Wikipedia co-founder Larry Sanger shortly after Sanger was permanently banned from editing the site he helped create. Sanger tells the story of Wikipedia's founding, how its ideal of open collaboration hardened into a system dominated by a relatively s ...  Show more

Michael Shermer speaks with political scientist Marlene Laruelle about Russia's turbulent transformation during the 1990s and the rise of Vladimir Putin, why the Kremlin so badly misjudged Ukraine, China's rise and its ambitions regarding Taiwan, why killing Iran's Supreme Leader ...  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

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

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