If I could get one idea peer reviewed, it would probably be ‘What percentage of chewing gum sales are due to someone wanting change?’ All I need now is a couple of referees.
Here is the source blog. What would you pick? If I ask myself this question today, I wish for a serious study on how banning the burkha or veil would affect sexual mores and how it would alter the allocation of resources within the family, referring of course to families where such methods of dress are an issue. If such a paper already exists, please let me know and I'll wish for something else.