Semiotics is a branch of linguistics. How does it mingle with biology?
Psychology applies scientific method to try to acquire information and make predictions about human behavior. It’s a young science but it’s a science (as long as you don’t confuse the study itself with applications such as psychotherapy).
Skeptic is spelled with a ‘c.’
No worries.
Firstly you were very politely snarky 
and secondly we agree that the paranormal can be studied using scientific method. As Diogenes has eloquently put it, you can test for the paranormal, but not study it.
I should have been challenging Ralph124c, who said "legitimate scientist (parapsychologist), ".
Ralph124c, how can a parapsychologist be a ‘legitimate scientist’?
There’s nothing to study!