20. Bölüm: 20. Bölüm

Bölüm Konusu

Ever thought what it's like having your mirror image talk back to you? It can be an everyday occurrence for identical Twins. NOVA tells the incredible story of scientific research on twins—a field marked by brazen and damaging fraud, but also by surprising and important new discoveries about nature's recipe of heredity and environment which makes us all unique individuals.