How Conjoined Twins Took Remarkably Different Paths in Life

Masha and Dasha Krivoshlapova were conjoined twins born in 1950 who shared a circulatory system but had separate nervous systems. Stolen from their mother by Soviet scientists for cruel experiments, they developed diametrically opposed personalities: Dasha was empathetic and compliant, while Masha became controlling and psychopathic, dominating their shared life until their deaths in 2003.