Identical twins, formed when one fertilized egg splits, are the only people in the world with identical DNA. Fraternal twins, on the other hand, are formed when two different eggs are fertilized. Genetically speaking, Fraternal twins develop from separate eggs ...

Paula Bernstein and Elyse Schein lived very similar lives. They were both born in New York, edited their high school newspapers and studied film at university. And both were adopted in 1968. It was only at the age of 35 that ...