Based on DNA Testing, Only One Twin Was Granted U.S. Citizenship. Why?

Published: Sept. 1, 2023, 7 a.m.

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This episode is a conversation based on two of Nancy Segal\\u2019s books The Twin Children of the Holocaust: Stolen Childhood and the Will to Survive and Gay Fathers, Twin Sons: the Citzenship Case that Captured the World.

Shermer and Segal discuss: her historical interest in twins research and behavior genetics \\u2022 the many different types of twins and family arrangements \\u2022 twins separated accidentally \\u2022 twins separated intentionally \\u2022 twins reunited \\u2022 a brief history of twins research \\u2022 Josef Mengele \\u2022 Minnesota Study of Twins Reared Apart \\u2022 the gay fathers and twin sons story \\u2022 immigration and naturalization law related to IVF, twins, gay couples, etc. \\u2022 abortion \\u2022 eugenics and the Nobel Prize sperm bank \\u2022 the meaning of \\u201cheritability\\u201d \\u2022 the relative role of nature and nurture in how lives turn out \\u2022 the \\u201cnonshared environment.\\u201d

Nancy Segal is a Psychology Professor, and Director and Founder of the Twin Studies Center at California State University, Fullerton. She has authored over 300 scholarly articles and eight books. Her 2012 book, Born Together-Reared Apart: The Landmark Minnesota Twin Study, won the American Psychological Association\\u2019s William James Book Award. Her recent work, Deliberately Divided: Inside the Controversial Study of Twins and Triplets Adopted Apart, was the focus of a July 2022 BBC-TV documentary. She's a member of the editorial board of\\xa0Skeptic magazine.

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