How to pronounce "pheromone"

Pheromones are made of all different kinds of molecules, and they’re usually detected

But while pheromones are supposed to aid in communication within a species, sometimes

the actions of pheromones -- chemical signals that help some species communicate.

So if pheromones do influence our behavior, the effects are likely much more subtle.

Pheromones may even help save human lives -- some researchers are looking at using these