Cranial Nerve Zero?

Research has suggested the existence of a new cranial nerve, zero, in adult humans.
Cranial Nerve Zero has been suggested to be in involved in the detection of pheromones.  
This is the subject of much debate and will lead into greater research in the field.
The work has been done by a research group in the Department of Pathology, Duke University Medical Center, Durham, North Carolina.  

The abstract of the research is available via the following link:
https://www.ncbi.nlm.nih.gov/pubmed/2286018