Twins are catnip for psychologists, and no one loves a twin more than nancy seagl who is also herself a twin. Now, might say, aren't identical twins in effect, nature's magic wand a little bit of genetic wizardry that lets us see things we would never know about otherwise. How did they discover the airor? Oh, good question. Once uncovered a totally banana's real life twins case study two sets of twins born a day apart in columbia. One pair born in the lively capital city of bogotar, the other born a hundred and ten miles to the north,. with no running water, no flush toilets, know nothing.