So define *supernatural*.
If it's dependent on being observable, then what do you do with the thought processes that you use to arrive at your conclusions?
Who's observed a thought lately?
What about emotions? Are they supernatural because they can't be observed?
Gravity waves?
Light waves?
Electrons?
Who's seen those lately?
It's not my term. Ask Lexinom. He or she seems to want science to address something that science cannot observe. I'm just wondering how that works in practice.
I'm sure lots of scientists are investigating thoughts and emotions. I would guess that they do so something like the way they investigate subatomic particles: do something and infer from the results. Maybe someday they'll be able to observe thoughts and emotions directly, I don't know. Would you rather they stop trying?