To tell the , I would like to say 2 stories. The first story is about an experiment. About 6 years ago, I read an article on science magazine. It has been long time since I read that, so I can't remember detail content. But the whole story is like below. There was a baby. That baby was actually a planned-baby. Some scientists researched the effects of society for decision of gender, gender role. First, they raised some volunteers who want to be the parents of planned-baby. Many couple volunteered and scientists chose one couple af ....