These same research studies were replicated at other universities. The Harvard article I posted is about six years old. Last year UNC Chapel Hill School of Medicine Neuroscience Department had a Grand Rounds on this area of research. I find the topic absolutely fascinating.
Two of my children have been doing genetic engineering and cloning research in two different medical schools. Topics like this give me a common discussion topic with them!!!
I wonder if there are potential implications in this research for people with homosexual inclinations who want to be freed from them...but maybe political pressure would prevent such research from being carried out.