The Kind-Hearted Smart Aleck

I for one love research, love studies; I just love learning. However, every now and again, a study comes along where I feel the need to cry out the word "why?" A recently released Czech study is one such case. About three weeks ago, a Czech study revealed the following finding - men with brown eyes are viewed as more trustworthy than those with blue eyes. Yes, this was the lone finding. The study's researcher - Karel Kleisner - had this to say with regard to the findings (well, finding - it's singular): "Eye color is something superficial, and nobody would expect there is a deeper association with the structure of the bones. We were a little bit surprised." I guess my question is, what about people with green eyes, black eyes, hazel eyes, etc.? Why was the study focused on just blue and brown eyes? Congratulations - we now know that people with brown eyes are more trusted (for whatever reason) than those with blue eyes. We still don't know how they...