1) I read the article 2) Did they try adding women to a women only group ? 3) Did they try adding men to a women only group ? 4) Did they try adding more women to a mixed group ? 5) Did they try adding more men to a mixed group ? 6) Did they try to remove all men from a group and replace them by women ? 6) Does this have to do with women being in a group, or does this just have to do with the group having elements from both genders collaborating ? The conclusions made in the article ,to me, seems more buzz-seeking than enriching.