Fascination with twins and what twin studies tell us about human nature is universal. There is no question that behavioral and medical science advances have happened largely because twins yield a ...

NEW YORK (Reuters Life!) - Twins who share a classroom will do just as well academically as twins placed in separate classes, new research shows, helping resolve a dilemma many parents of multiple ...

The final twin sample included five monozygotic twin pairs and one monozygotic set of triplets, the subjects of Three Identical Strangers. There were a total of 13 families involved in the study. The ...