An enigmatic topic in traditional science was labelled as the mystery of the 5 senses, and how to best group senses by type.
Is that theory now meaningless?
Do Scientists still agree that that there are 5 types of sense, and no salient new 6th sense which can't be classed with the others?
There was widely accepted merit for that summary classification, because it was the best logical process to approach a complex subject.
The theory questioned the controversial logic of these groups: Soundwaves, Photons, Chemical scent of the air, chemical scent of taste and touch which represents any nerves found in the rest of the body.