
Shermer and Segal discuss: her historical interest in twins research and behavior genetics • the many different types of twins and family arrangements • twins separated accidentally • twins separated intentionally • twins reunited • a brief history of twins research • Josef Mengele • Minnesota Study of Twins Reared Apart • the gay fathers and twin sons story • immigration and naturalization law related to IVF, twins, gay couples, etc. • abortion • eugenics and the Nobel Prize sperm…