Paranormal Ooze

Ectoplasm.  

Or as the fans of Ghostbusters call it: Slime.

This substance has been talked about for ages; 

studied by a variety of communities; 

debated for years.

So, What's the deal?  What's the argument?  What are your beliefs?

Image source: Here

Find out more about the debate here: Fraud or Phantasm?