tom swift among the diamond makers

 pheromones are interesting things. they are interesting because you can use them for your own gain. you can make a bug spray that repels well like find ou what a mosquito hates like literally. and make that as a pheromone and spray it all over yourself and you won't get bit because. they hate that smell they are also interesting because dogs use them. and ants use them and bees my worst enemy. use them to know hey there someone over here let's sting him ants use them to find food. and things like that also is there is an enemy around to run or attack whatever you are.