Nancy Segal

Nancy Segal, a leading twin-study researcher and professor, dives into the nature vs. nurture debate through fascinating case studies of twins separated at birth. She discusses astonishing similarities between these twins and reveals unique phenomena like super fecundation. The emotional bonds shared by identical twins are explored, highlighting their impact on behavior and relationships. The conversation also addresses the ethical concerns of twin separations for research, emphasizing the importance of understanding genetic backgrounds in shaping identity.

Guests include author Naomi Klein reflecting on the impact of mistaken identity, aerospace engineer Karen Willcox discussing the potential of digital twins, planetary scientist Sarah T. Stewart explaining the unique relationship between Earth and Moon, and psychologist Nancy Segal sharing insights on the similarities between unrelated twins.

Nancy Segal, author of Twin Children of the Holocaust and Gay Fathers, Twin Sons, discusses the fascinating world of twins, including accidental and intentional separations, reunions, and twins in different family arrangements. They delve into twins' history, the gay fathers and twin sons case, immigration and naturalization issues, eugenics, and the relative role of nature and nurture in shaping lives.